The LLVM make variable allows a developer to quickly switch between the
GNU and LLVM tools. However, it does not handle versioned binaries, such
as the ones shipped by Debian, as LLVM=1 just defines the tool variables
with the unversioned binaries.
There was some discussion during the review of the patch that introduces
LLVM=1 around versioned binaries, ultimately coming to the conclusion
that developers can just add the folder that contains the unversioned
binaries to their PATH, as Debian's versioned suffixed binaries are
really just symlinks to the unversioned binaries in /usr/lib/llvm-#/bin:
$ realpath /usr/bin/clang-14
/usr/lib/llvm-14/bin/clang
$ PATH=/usr/lib/llvm-14/bin:$PATH make ... LLVM=1
However, that can be cumbersome to developers who are constantly testing
series with different toolchains and versions. It is simple enough to
support these versioned binaries directly in the Kbuild system by
allowing the developer to specify the version suffix with LLVM=, which
is shorter than the above suggestion:
$ make ... LLVM=-14
It does not change the meaning of LLVM=1 (which will continue to use
unversioned binaries) and it does not add too much additional complexity
to the existing $(LLVM) code, while allowing developers to quickly test
their series with different versions of the whole LLVM suite of tools.
Some developers may build LLVM from source but not add the binaries to
their PATH, as they may not want to use that toolchain systemwide.
Support those developers by allowing them to supply the directory that
the LLVM tools are available in, as it is no more complex to support
than the version suffix change above.
$ make ... LLVM=/path/to/llvm/
Update and reorder the documentation to reflect these new additions.
At the same time, notate that LLVM=0 is not the same as just omitting it
altogether, which has confused people in the past.
Link: https://lore.kernel.org/r/20200317215515.226917-1-ndesaulniers@google.com/
Link: https://lore.kernel.org/r/20220224151322.072632223@infradead.org/
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This series adds RISC-V CPU Idle support using SBI HSM suspend function.
The RISC-V SBI CPU idle driver added by this series is highly inspired
from the ARM PSCI CPU idle driver.
Special thanks Sandeep Tripathy for providing early feeback on SBI HSM
support in all above projects (RISC-V SBI specification, OpenSBI, and
Linux RISC-V).
* palmer/riscv-idle:
RISC-V: Enable RISC-V SBI CPU Idle driver for QEMU virt machine
dt-bindings: Add common bindings for ARM and RISC-V idle states
cpuidle: Add RISC-V SBI CPU idle driver
cpuidle: Factor-out power domain related code from PSCI domain driver
RISC-V: Add SBI HSM suspend related defines
RISC-V: Add arch functions for non-retentive suspend entry/exit
RISC-V: Rename relocate() and make it global
RISC-V: Enable CPU_IDLE drivers
jinja2 release 3.1.0 (March 24, 2022) broke Sphinx<4.0.
This looks like the result of deprecating Python 3.6.
It has been tested against Sphinx 4.3.0 and later.
Setting an upper limit of <3.1 to junja2 can unbreak Sphinx<4.0
including Sphinx 2.4.4.
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: stable@vger.kernel.org # v5.15+
Link: https://lore.kernel.org/r/7dbff8a0-f4ff-34a0-71c7-1987baf471f9@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Contains conversions of some more drivers to the atomic API as well as
the addition of new chip support for some existing drivers.
There are also various minor fixes and cleanups across the board, from
drivers to device tree bindings.
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Merge tag 'pwm/for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains conversions of some more drivers to the atomic API as
well as the addition of new chip support for some existing drivers.
There are also various minor fixes and cleanups across the board, from
drivers to device tree bindings"
* tag 'pwm/for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (45 commits)
pwm: rcar: Simplify multiplication/shift logic
dt-bindings: pwm: renesas,tpu: Do not require pwm-cells twice
dt-bindings: pwm: tiehrpwm: Do not require pwm-cells twice
dt-bindings: pwm: tiecap: Do not require pwm-cells twice
dt-bindings: pwm: samsung: Do not require pwm-cells twice
dt-bindings: pwm: intel,keembay: Do not require pwm-cells twice
dt-bindings: pwm: brcm,bcm7038: Do not require pwm-cells twice
dt-bindings: pwm: toshiba,visconti: Include generic PWM schema
dt-bindings: pwm: renesas,pwm: Include generic PWM schema
dt-bindings: pwm: sifive: Include generic PWM schema
dt-bindings: pwm: rockchip: Include generic PWM schema
dt-bindings: pwm: mxs: Include generic PWM schema
dt-bindings: pwm: iqs620a: Include generic PWM schema
dt-bindings: pwm: intel,lgm: Include generic PWM schema
dt-bindings: pwm: imx: Include generic PWM schema
dt-bindings: pwm: allwinner,sun4i-a10: Include generic PWM schema
pwm: pwm-mediatek: Beautify error messages text
pwm: pwm-mediatek: Allocate clk_pwms with devm_kmalloc_array
pwm: pwm-mediatek: Simplify error handling with dev_err_probe()
pwm: brcmstb: Remove useless locking
...
In the remoteproc core, it's now possible to mark the sysfs attributes
read only on a per-instance basis, which is then used by the TI wkup M3
driver. The rproc_shutdown() interface propagates errors to the caller
and an array underflow is fixed in the debugfs interface. The
rproc_da_to_va() API is moved to the public API to allow e.g. child
rpmsg devices to acquire pointers to memory shared with the remote
processor.
The TI K3 R5F and DSP drivers gains support for attaching to instances
already started by the bootloader, aka IPC-only mode.
The Mediatek remoteproc driver gains support for the MT8186 SCP. The
driver's probe function is reordered and moved to use the devres version
of rproc_alloc() to save a few gotos. The driver's probe function is
also transitioned to use dev_err_probe() to provide better debug
support.
Support for the Qualcomm SC7280 Wireless Subsystem (WPSS) is introduced.
The Hexagon based remoteproc drivers gains support for voting for
interconnect bandwidth during launch of the remote processor. The modem
subsystem (MSS) driver gains support for probing the BAM-DMUX
driver, which provides the network interface towards the modem on a set
of older Qualcomm platforms.
In addition a number a bug fixes are introduces in the Qualcomm drivers.
Lastly Qualcomm ADSP DeviceTree binding is converted to YAML format, to
allow validation of DeviceTree source files.
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Merge tag 'rproc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"In the remoteproc core, it's now possible to mark the sysfs attributes
read only on a per-instance basis, which is then used by the TI wkup
M3 driver.
Also, the rproc_shutdown() interface propagates errors to the caller
and an array underflow is fixed in the debugfs interface. The
rproc_da_to_va() API is moved to the public API to allow e.g. child
rpmsg devices to acquire pointers to memory shared with the remote
processor.
The TI K3 R5F and DSP drivers gains support for attaching to instances
already started by the bootloader, aka IPC-only mode.
The Mediatek remoteproc driver gains support for the MT8186 SCP. The
driver's probe function is reordered and moved to use the devres
version of rproc_alloc() to save a few gotos. The driver's probe
function is also transitioned to use dev_err_probe() to provide better
debug support.
Support for the Qualcomm SC7280 Wireless Subsystem (WPSS) is
introduced. The Hexagon based remoteproc drivers gains support for
voting for interconnect bandwidth during launch of the remote
processor. The modem subsystem (MSS) driver gains support for probing
the BAM-DMUX driver, which provides the network interface towards the
modem on a set of older Qualcomm platforms. In addition a number a bug
fixes are introduces in the Qualcomm drivers.
Lastly Qualcomm ADSP DeviceTree binding is converted to YAML format,
to allow validation of DeviceTree source files"
* tag 'rproc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (22 commits)
remoteproc: qcom_q6v5_mss: Create platform device for BAM-DMUX
remoteproc: qcom: q6v5_wpss: Add support for sc7280 WPSS
dt-bindings: remoteproc: qcom: Add SC7280 WPSS support
dt-bindings: remoteproc: qcom: adsp: Convert binding to YAML
remoteproc: k3-dsp: Add support for IPC-only mode for all K3 DSPs
remoteproc: k3-dsp: Refactor mbox request code in start
remoteproc: k3-r5: Add support for IPC-only mode for all R5Fs
remoteproc: k3-r5: Refactor mbox request code in start
remoteproc: Change rproc_shutdown() to return a status
remoteproc: qcom: q6v5: Add interconnect path proxy vote
remoteproc: mediatek: Support mt8186 scp
dt-bindings: remoteproc: mediatek: Add binding for mt8186 scp
remoteproc: qcom_q6v5_mss: Fix some leaks in q6v5_alloc_memory_region
remoteproc: qcom_wcnss: Add missing of_node_put() in wcnss_alloc_memory_region
remoteproc: qcom: Fix missing of_node_put in adsp_alloc_memory_region
remoteproc: move rproc_da_to_va declaration to remoteproc.h
remoteproc: wkup_m3: Set sysfs_read_only flag
remoteproc: Introduce sysfs_read_only flag
remoteproc: Fix count check in rproc_coredump_write()
remoteproc: mtk_scp: Use dev_err_probe() where possible
...
This updates sprd and srm32 drivers to use struct_size() instead of
their open-coded equivalents. It also cleans up the omap dt-bindings
example.
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Merge tag 'hwlock-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull hwspinlock updates from Bjorn Andersson:
"This updates sprd and srm32 drivers to use struct_size() instead of
their open-coded equivalents. It also cleans up the omap dt-bindings
example"
* tag 'hwlock-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: sprd: Use struct_size() helper in devm_kzalloc()
hwspinlock: stm32: Use struct_size() helper in devm_kzalloc()
dt-bindings: hwlock: omap: Remove redundant binding example
clk_set_rate_range() works so that the frequency is re-evaulated each time the
rate is changed. Previously we wouldn't let clk providers see a rate that was
different if it was still within the range, which could be bad for power if the
clk could run slower when a range expands. Now the clk provider can decide to
do something differently when the constraints change. This broke Nvidia's clk
driver so we had to wait for the fix for that to bake a little more in -next.
The rate range patch series also introduced a kunit suite for the clk framework
that we're going to extend in the next release. It already made it easy to find
corner cases in the rate range patches so I'm excited to see it cover more clk
code and increase our confidence in core framework patches in the future. I
also added a kunit test for the basic clk gate code and that work will continue
to cover more basic clk types: muxes, dividers, etc.
Beyond the core code we have the usual set of clk driver updates and additions.
Qualcomm again dominates the diffstat here with lots more SoCs being supported
and i.MX follows afer that with a similar number of SoCs gaining clk drivers.
Beyond those large additions there's drivers being modernized to use
clk_parent_data so we can move away from global string names for all the clks
in an SoC. Finally there's lots of little fixes all over the clk drivers for
typos, warnings, and missing clks that aren't critical and get batched up
waiting for the next merge window to open. Nothing super big stands out in the
driver pile. Full details are below.
Core:
- Make clk_set_rate_range() re-evaluate the limits each time
- Introduce various clk_set_rate_range() tests
- Add clk_drop_range() to drop a previously set range
New Drivers:
- i.MXRT1050 clock driver and bindings
- i.MX8DXL clock driver and bindings
- i.MX93 clock driver and bindings
- NCO blocks on Apple SoCs
- Audio clks on StarFive JH7100 RISC-V SoC
- Add support for the new Renesas RZ/V2L SoC
- Qualcomm SDX65 A7 PLL
- Qualcomm SM6350 GPU clks
- Qualcomm SM6125, SM6350, QCS2290 display clks
- Qualcomm MSM8226 multimedia clks
Updates:
- Kunit tests for clk-gate implementation
- Terminate arrays with sentinels and make that clearer
- Cleanup SPDX tags
- Fix typos in comments
- Mark mux table as const in clk-mux
- Make the all_lists array const
- Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding and add
support for dynamic mode
- Clock configuration on Microchip PolarFire SoCs
- Free allocations on probe error in Mediatek clk driver
- Modernize Mediatek clk driver by consolidating code
- Add watchdog (WDT), I2C, and pin function controller (PFC) clocks on
Renesas R-Car S4-8
- Improve the clocks for the Rockchip rk3568 display outputs (parenting, pll-rates)
- Use of_device_get_match_data() instead of open-coding on Rockchip rk3568
- Reintroduce the expected fractional-divider behaviour that disappeared
with the addition of CLK_FRAC_DIVIDER_POWER_OF_TWO_PS
- Remove SYS PLL 1/2 clock gates for i.MX8M*
- Remove AUDIO MCLK ROOT from i.MX7D
- Add fracn gppll clock type used by i.MX93
- Add new composite clock for i.MX93
- Add missing media mipi phy ref clock for i.MX8MP
- Fix off by one in imx_lpcg_parse_clks_from_dt()
- Rework for the imx pll14xx
- sama7g5: One low priority fix for GCLK of PDMC
- Add DMA engine (SYS-DMAC) clocks on Renesas R-Car S4-8
- Add MOST (MediaLB I/F) clocks on Renesas R-Car E3 and D3
- Add CAN-FD clocks on Renesas R-Car V3U
- Qualcomm SC8280XP RPMCC
- Add some missing clks on Qualcomm MSM8992/MSM8994/MSM8998 SoCs
- Rework Qualcomm GCC bindings and convert SDM845 camera bindig to YAML
- Convert various Qualcomm drivers to use clk_parent_data
- Remove test clocks from various Qualcomm drivers
- Crypto engine clks on Qualcomm IPQ806x + more freqs for SDCC/NSS
- Qualcomm SM8150 EMAC, PCIe, UFS GDSCs
- Better pixel clk frequency support on Qualcomm RCG2 clks
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"There's one large change in the core clk framework here. We change how
clk_set_rate_range() works so that the frequency is re-evaulated each
time the rate is changed. Previously we wouldn't let clk providers see
a rate that was different if it was still within the range, which
could be bad for power if the clk could run slower when a range
expands. Now the clk provider can decide to do something differently
when the constraints change. This broke Nvidia's clk driver so we had
to wait for the fix for that to bake a little more in -next.
The rate range patch series also introduced a kunit suite for the clk
framework that we're going to extend in the next release. It already
made it easy to find corner cases in the rate range patches so I'm
excited to see it cover more clk code and increase our confidence in
core framework patches in the future. I also added a kunit test for
the basic clk gate code and that work will continue to cover more
basic clk types: muxes, dividers, etc.
Beyond the core code we have the usual set of clk driver updates and
additions. Qualcomm again dominates the diffstat here with lots more
SoCs being supported and i.MX follows afer that with a similar number
of SoCs gaining clk drivers. Beyond those large additions there's
drivers being modernized to use clk_parent_data so we can move away
from global string names for all the clks in an SoC. Finally there's
lots of little fixes all over the clk drivers for typos, warnings, and
missing clks that aren't critical and get batched up waiting for the
next merge window to open. Nothing super big stands out in the driver
pile. Full details are below.
Core:
- Make clk_set_rate_range() re-evaluate the limits each time
- Introduce various clk_set_rate_range() tests
- Add clk_drop_range() to drop a previously set range
New Drivers:
- i.MXRT1050 clock driver and bindings
- i.MX8DXL clock driver and bindings
- i.MX93 clock driver and bindings
- NCO blocks on Apple SoCs
- Audio clks on StarFive JH7100 RISC-V SoC
- Add support for the new Renesas RZ/V2L SoC
- Qualcomm SDX65 A7 PLL
- Qualcomm SM6350 GPU clks
- Qualcomm SM6125, SM6350, QCS2290 display clks
- Qualcomm MSM8226 multimedia clks
Updates:
- Kunit tests for clk-gate implementation
- Terminate arrays with sentinels and make that clearer
- Cleanup SPDX tags
- Fix typos in comments
- Mark mux table as const in clk-mux
- Make the all_lists array const
- Convert Cirrus Logic CS2000P driver to regmap, yamlify DT binding
and add support for dynamic mode
- Clock configuration on Microchip PolarFire SoCs
- Free allocations on probe error in Mediatek clk driver
- Modernize Mediatek clk driver by consolidating code
- Add watchdog (WDT), I2C, and pin function controller (PFC) clocks
on Renesas R-Car S4-8
- Improve the clocks for the Rockchip rk3568 display outputs
(parenting, pll-rates)
- Use of_device_get_match_data() instead of open-coding on Rockchip
rk3568
- Reintroduce the expected fractional-divider behaviour that
disappeared with the addition of CLK_FRAC_DIVIDER_POWER_OF_TWO_PS
- Remove SYS PLL 1/2 clock gates for i.MX8M*
- Remove AUDIO MCLK ROOT from i.MX7D
- Add fracn gppll clock type used by i.MX93
- Add new composite clock for i.MX93
- Add missing media mipi phy ref clock for i.MX8MP
- Fix off by one in imx_lpcg_parse_clks_from_dt()
- Rework for the imx pll14xx
- sama7g5: One low priority fix for GCLK of PDMC
- Add DMA engine (SYS-DMAC) clocks on Renesas R-Car S4-8
- Add MOST (MediaLB I/F) clocks on Renesas R-Car E3 and D3
- Add CAN-FD clocks on Renesas R-Car V3U
- Qualcomm SC8280XP RPMCC
- Add some missing clks on Qualcomm MSM8992/MSM8994/MSM8998 SoCs
- Rework Qualcomm GCC bindings and convert SDM845 camera bindig to
YAML
- Convert various Qualcomm drivers to use clk_parent_data
- Remove test clocks from various Qualcomm drivers
- Crypto engine clks on Qualcomm IPQ806x + more freqs for SDCC/NSS
- Qualcomm SM8150 EMAC, PCIe, UFS GDSCs
- Better pixel clk frequency support on Qualcomm RCG2 clks"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (227 commits)
clk: zynq: Update the parameters to zynq_clk_register_periph_clk
clk: zynq: trivial warning fix
clk: Drop the rate range on clk_put()
clk: test: Test clk_set_rate_range on orphan mux
clk: Initialize orphan req_rate
dt-bindings: clock: drop useless consumer example
dt-bindings: clock: renesas: Make example 'clocks' parsable
clk: qcom: gcc-msm8994: Fix gpll4 width
dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
clk: rs9: Add Renesas 9-series PCIe clock generator driver
clk: fixed-factor: Introduce devm_clk_hw_register_fixed_factor_index()
clk: visconti: prevent array overflow in visconti_clk_register_gates()
dt-bindings: clk: rs9: Add Renesas 9-series I2C PCIe clock generator
clk: sifive: Move all stuff into SoCs header files from C files
clk: sifive: Add SoCs prefix in each SoCs-dependent data
riscv: dts: Change the macro name of prci in each device node
dt-bindings: change the macro name of prci in header files and example
clk: sifive: duplicate the macro definitions for the time being
clk: qcom: sm6125-gcc: fix typos in comments
clk: ti: clkctrl: fix typos in comments
...
- Add perf support for nvdimm events, initially only for 'papr_scm'
devices.
- Deprecate the 'block aperture' support in libnvdimm, it only ever
existed in the specification, not in shipping product.
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Merge tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"The update for this cycle includes the deprecation of block-aperture
mode and a new perf events interface for the papr_scm nvdimm driver.
The perf events approach was acked by PeterZ.
- Add perf support for nvdimm events, initially only for 'papr_scm'
devices.
- Deprecate the 'block aperture' support in libnvdimm, it only ever
existed in the specification, not in shipping product"
* tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/blk: Fix title level
MAINTAINERS: remove section LIBNVDIMM BLK: MMIO-APERTURE DRIVER
powerpc/papr_scm: Fix build failure when
drivers/nvdimm: Fix build failure when CONFIG_PERF_EVENTS is not set
nvdimm/region: Delete nd_blk_region infrastructure
ACPI: NFIT: Remove block aperture support
nvdimm/namespace: Delete nd_namespace_blk
nvdimm/namespace: Delete blk namespace consideration in shared paths
nvdimm/blk: Delete the block-aperture window driver
nvdimm/region: Fix default alignment for small regions
docs: ABI: sysfs-bus-nvdimm: Document sysfs event format entries for nvdimm pmu
powerpc/papr_scm: Add perf interface support
drivers/nvdimm: Add perf interface to expose nvdimm performance stats
drivers/nvdimm: Add nvdimm pmu structure
Mention the regular DMA API calls instead of the now removed PCI DMA API.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
SM8150 has an ethernet controller and it needs a different
configuration, so add a new compatible for this.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
[bhsharma: Massage the commit log]
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220325200731.1585554-1-bhupesh.sharma@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Add per core DVFS support for QCom SoC (Bjorn Andersson), convert
to yaml binding (Manivannan Sadhasivam) and various other fixes
to the QCom drivers (Luca Weiss).
- Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan
Agner).
- Fix CPPC driver's freq/performance conversions (Pierre Gondois).
- Minor generic cleanups (Yury Norov).
- Introduce opp-microwatt property to the OPP core, bindings, etc
(Lukasz Luba).
- Convert DT bindings to schema format and various related fixes
(Yassine Oudjana).
- Expose OPP's OF node in debugfs (Viresh Kumar).
- Add Intel uncore frequency scaling documentation file to its
MAINTAINERS entry (Srinivas Pandruvada).
- Clean up the AMD P-state driver documentation (Jan Engelhardt).
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Merge tag 'pm-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These update ARM cpufreq drivers, the OPP (Operating Performance
Points) library and the power management documentation.
Specifics:
- Add per core DVFS support for QCom SoC (Bjorn Andersson), convert
to yaml binding (Manivannan Sadhasivam) and various other fixes to
the QCom drivers (Luca Weiss).
- Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan
Agner).
- Fix CPPC driver's freq/performance conversions (Pierre Gondois).
- Minor generic cleanups (Yury Norov).
- Introduce opp-microwatt property to the OPP core, bindings, etc
(Lukasz Luba).
- Convert DT bindings to schema format and various related fixes
(Yassine Oudjana).
- Expose OPP's OF node in debugfs (Viresh Kumar).
- Add Intel uncore frequency scaling documentation file to its
MAINTAINERS entry (Srinivas Pandruvada).
- Clean up the AMD P-state driver documentation (Jan Engelhardt)"
* tag 'pm-5.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
Documentation: amd-pstate: grammar and sentence structure updates
dt-bindings: cpufreq: cpufreq-qcom-hw: Convert to YAML bindings
dt-bindings: dvfs: Use MediaTek CPUFREQ HW as an example
Documentation: EM: Describe new registration method using DT
OPP: Add support of "opp-microwatt" for EM registration
PM: EM: add macro to set .active_power() callback conditionally
OPP: Add "opp-microwatt" supporting code
dt-bindings: opp: Add "opp-microwatt" entry in the OPP
MAINTAINERS: Add additional file to uncore frequency control
cpufreq: blocklist Qualcomm sc8280xp and sa8540p in cpufreq-dt-platdev
cpufreq: qcom-hw: Add support for per-core-dcvs
dt-bindings: power: avs: qcom,cpr: Convert to DT schema
arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
arm64: dts: qcom: msm8996: Rename cluster OPP tables
dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
dt-bindings: opp: qcom-opp: Convert to DT schema
arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
opp: Expose of-node's name in debugfs
cpufreq: CPPC: Fix performance/frequency conversion
...
Add a section to document all the different ways in which the KVM API sucks.
I am sure there are way more, give people a place to vent so that userspace
authors are aware.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110712.222449-4-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a file to document all the different ways in which the virtual CPU
emulation is imperfect. Include an example to show how to document
such errata.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Message-Id: <20220322110712.222449-3-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
ARM already has an arm/ subdirectory, but s390 and x86 do not even though
they have a relatively large number of files specific to them. Create
new directories in Documentation/virt/kvm for these two architectures
as well.
While at it, group the API documentation and the developer documentation
in the table of contents.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110712.222449-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kvm->mn_invalidate_lock and kvm->slots_arch_lock were not included in the
documentation, add them.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110720.222499-3-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Separate the various locks clearly, and include the new names of blocked_vcpu_on_cpu_lock
and blocked_vcpu_on_cpu.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220322110720.222499-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* clk-sifive:
clk: sifive: Move all stuff into SoCs header files from C files
clk: sifive: Add SoCs prefix in each SoCs-dependent data
riscv: dts: Change the macro name of prci in each device node
dt-bindings: change the macro name of prci in header files and example
clk: sifive: duplicate the macro definitions for the time being
* clk-visconti:
clk: visconti: prevent array overflow in visconti_clk_register_gates()
- Make clk_set_rate_range() re-evaluate the limits each time
- Introduce various clk_set_rate_range() tests
- Add clk_drop_range() to drop a previously set range
- Support for NCO blocks on Apple SoCs
* clk-range:
clk: Drop the rate range on clk_put()
clk: test: Test clk_set_rate_range on orphan mux
clk: Initialize orphan req_rate
clk: bcm: rpi: Run some clocks at the minimum rate allowed
clk: bcm: rpi: Set a default minimum rate
clk: bcm: rpi: Add variant structure
clk: Add clk_drop_range
clk: Always set the rate on clk_set_range_rate
clk: Use clamp instead of open-coding our own
clk: Always clamp the rounded rate
clk: Enforce that disjoints limits are invalid
clk: Introduce Kunit Tests for the framework
clk: Fix clk_hw_get_clk() when dev is NULL
* clk-uniphier:
clk: uniphier: Fix fixed-rate initialization
* clk-apple:
clk: clk-apple-nco: Allow and fix module building
MAINTAINERS: Add clk-apple-nco under ARM/APPLE MACHINE
clk: clk-apple-nco: Add driver for Apple NCO
dt-bindings: clock: Add Apple NCO
* clk-qcom: (61 commits)
clk: qcom: gcc-msm8994: Fix gpll4 width
dt-bindings: clock: fix dt_binding_check error for qcom,gcc-other.yaml
clk: qcom: Add display clock controller driver for SM6125
dt-bindings: clock: add QCOM SM6125 display clock bindings
clk: qcom: Fix sorting of SDX_GCC_65 in Makefile and Kconfig
clk: qcom: gcc: Add emac GDSC support for SM8150
clk: qcom: gcc: sm8150: Fix some identation issues
clk: qcom: gcc: Add UFS_CARD and UFS_PHY GDSCs for SM8150
clk: qcom: gcc: Add PCIe0 and PCIe1 GDSC for SM8150
clk: qcom: clk-rcg2: Update the frac table for pixel clock
clk: qcom: clk-rcg2: Update logic to calculate D value for RCG
clk: qcom: smd: Add missing MSM8998 RPM clocks
clk: qcom: smd: Add missing RPM clocks for msm8992/4
dt-bindings: clock: qcom: rpmcc: Add RPM Modem SubSystem (MSS) clocks
clk: qcom: gcc-ipq806x: add CryptoEngine resets
dt-bindings: reset: add ipq8064 ce5 resets
clk: qcom: gcc-ipq806x: add CryptoEngine clocks
dt-bindings: clock: add ipq8064 ce5 clk define
clk: qcom: gcc-ipq806x: add additional freq for sdc table
clk: qcom: clk-rcg: add clk_rcg_floor_ops ops
...
Merge additional power management documentation udates for 5.18-rc1:
- Add Intel uncore frequency scaling documentation file to its
MAINTAINERS entry (Srinivas Pandruvada).
- Clean up the AMD P-state driver documentation (Jan Engelhardt).
* pm-docs:
Documentation: amd-pstate: grammar and sentence structure updates
MAINTAINERS: Add additional file to uncore frequency control
Merge OPP (Operating Performance Points) changes for 5.18-rc1.
* pm-opp:
Documentation: EM: Describe new registration method using DT
OPP: Add support of "opp-microwatt" for EM registration
PM: EM: add macro to set .active_power() callback conditionally
OPP: Add "opp-microwatt" supporting code
dt-bindings: opp: Add "opp-microwatt" entry in the OPP
dt-bindings: power: avs: qcom,cpr: Convert to DT schema
arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
arm64: dts: qcom: msm8996: Rename cluster OPP tables
dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
dt-bindings: opp: qcom-opp: Convert to DT schema
arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
opp: Expose of-node's name in debugfs
Absolute paths in $ref should always begin with '/schemas'. The tools
mostly work with it omitted, but for correctness the path should be
everything except the hostname as that is taken from the schema's $id
value. This scheme is defined in the json-schema spec.
Cc: Hector Martin <marcan@marcan.st>
Cc: Sven Peter <sven@svenpeter.dev>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Vladimir Oltean <olteanv@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mukesh Savaliya <msavaliy@codeaurora.org>
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Bayi Cheng <bayi.cheng@mediatek.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: Min Guo <min.guo@mediatek.com>
Cc: netdev@vger.kernel.org
Cc: linux-spi@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Mark Brown <broonie@debian.org>
Link: https://lore.kernel.org/r/20220325215652.525383-1-robh@kernel.org
'dma-ranges' in the example is written for cell sizes of 2 cells, but
the schema and example specify sizes of 1 cell. As the h/w has a bus
address of >32-bits, cell sizes of 2 is correct. Update the schema's
'#address-cells' and '#size-cells' to be 2 and adjust the example
throughout.
There's no error currently because dtc only checks 'dma-ranges' is a
correct multiple number of cells (3) and the schema checking is based on
bracketing of entries.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220301233501.2110047-1-robh@kernel.org
PBL can be any of the following values: 1, 2, 4, 8, 16 or 32
according to the datasheet, so modify available values of PBL in
snps,dwmac.yaml.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220324012112.7016-2-biao.huang@mediatek.com
To avoid failure of dt_binding_check perform a slight refactoring
of the examples: the main block is kept, but that required fixing
the address and size cells, plus the inclusion of missing dt-bindings
headers, required to parse some of the values assigned to various
properties.
Fixes: 4ed545e7d1 ("dt-bindings: display: mediatek: disp: split each block to individual yaml")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Tested-by: jason-jh.lin <jason-jh.lin@medaitek.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-5-jason-jh.lin@mediatek.com
The property is called 'iommus' and not 'iommu'. Fix this typo.
Fixes: 4ed545e7d1 ("dt-bindings: display: mediatek: disp: split each block to individual yaml")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-4-jason-jh.lin@mediatek.com
The mediatek,gce-events property needs as value an array of uint32
corresponding to the CMDQ events to listen to, and not any phandle.
Fixes: 4ed545e7d1 ("dt-bindings: display: mediatek: disp: split each block to individual yaml")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220309134702.9942-3-jason-jh.lin@mediatek.com
The Architecture chapter of the KUnit documentation tried to include
copies of the kernel-doc for a couple of things, despite these already
existing in the API documentation. This lead to some warnings:
architecture:31: ./include/kunit/test.h:3: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:66.
Declaration is '.. c:struct:: kunit_case'.
architecture:163: ./include/kunit/test.h:1217: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:1217.
Declaration is '.. c:macro:: KUNIT_ARRAY_PARAM'.
architecture.rst:3: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:66.
Declaration is '.. c:struct:: kunit_case'.
architecture.rst:1217: WARNING: Duplicate C declaration, also defined at dev-tools/kunit/api/test:1217.
Declaration is '.. c:macro:: KUNIT_ARRAY_PARAM'.
Get rid of these, and cleanup the mentions of the struct and macro in
question so that sphinx generates a link to the existing copy of the
documentation in the api/test document.
Fixes: bc145b370c ("Documentation: KUnit: Added KUnit Architecture")
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Link: https://lore.kernel.org/r/20220326054414.637293-1-davidgow@google.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Here are the big set of tty and serial driver changes for 5.18-rc1.
Nothing major, some more good cleanups from Jiri and 2 new serial
drivers. Highlights include:
- termbits cleanups
- export symbol cleanups and other core cleanups from Jiri Slaby
- new sunplus and mvebu uart drivers (amazing that people are
still creating new uarts...)
- samsung serial driver cleanups
- ldisc 29 is now "reserved" for experimental/development line
disciplines
- lots of other tiny fixes and cleanups to serial drivers and
bindings
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here are the big set of tty and serial driver changes for 5.18-rc1.
Nothing major, some more good cleanups from Jiri and 2 new serial
drivers. Highlights include:
- termbits cleanups
- export symbol cleanups and other core cleanups from Jiri Slaby
- new sunplus and mvebu uart drivers (amazing that people are still
creating new uarts...)
- samsung serial driver cleanups
- ldisc 29 is now "reserved" for experimental/development line
disciplines
- lots of other tiny fixes and cleanups to serial drivers and
bindings
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (104 commits)
vt_ioctl: fix potential spectre v1 in VT_DISALLOCATE
serial: 8250: fix XOFF/XON sending when DMA is used
tty: serial: samsung: Add ARTPEC-8 support
dt-bindings: serial: samsung: Add ARTPEC-8 UART
serial: sc16is7xx: Clear RS485 bits in the shutdown
tty: serial: samsung: simplify getting OF match data
tty: serial: samsung: constify variables and pointers
tty: serial: samsung: constify s3c24xx_serial_drv_data members
tty: serial: samsung: constify UART name
tty: serial: samsung: constify s3c24xx_serial_drv_data
tty: serial: samsung: reduce number of casts
tty: serial: samsung: embed s3c2410_uartcfg in parent structure
tty: serial: samsung: embed s3c24xx_uart_info in parent structure
serial: 8250_tegra: mark acpi_device_id as unused with !ACPI
tty: serial: bcm63xx: use more precise Kconfig symbol
serial: SERIAL_SUNPLUS should depend on ARCH_SUNPLUS
tty: serial: jsm: fix two assignments in if conditions
tty: serial: jsm: remove redundant assignments to variable linestatus
serial: 8250_mtk: make two read-only arrays static const
serial: samsung_tty: do not unlock port->lock for uart_write_wakeup()
...
Ensure that Sphinx-build will handle the files parsed by
get_abi.pl as dependencies. This way, if they are touched,
the ABI output will be regenerated.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/10bc3d3bc74f514a539cd3b48b9d287d2b6f99e2.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
SVG -> PDF conversion is not required in "make htmldocs".
It is pointless to always warn of a missing converter.
Demote the log message in setupTools() to verbose.
For "make pdfdocs" (or "make latexdocs"), promote the dynamic
message of "include SVG raw" to a warn.
Expand the message and recommend installing Inkscape or
ImageMagick.
Fixes: 8ccd05697a ("docs: sphinx/kfigure.py: Use inkscape(1) for SVG -> PDF conversion")
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-doc@vger.kernel.org
Acked-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/c80e1481-10d4-7151-fe59-e846259eb0d4@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Here is the big set of staging driver updates for 5.18-rc1.
Loads of tiny cleanups for almost all staging drivers in here, nothing
major at all. Highlights include:
- remove the ashmem Android driver. It is long-dead and if
there are any legacy userspace applications still using it,
the Android kernel images will maintain it, the community
shouldn't care about it anymore
- wfx wifi driver major cleanups. Should be ready to merge out
of staging soon, and will coordinate with the wifi maintainers
after -rc1 is out
- major cleanups and unwinding of the layers of the r8188eu
driver. It's amazing just how many unneeded layers of
abstraction is in there, just when we think it's done, another
is found...
- lots of tiny coding style cleanups in many other staging
drivers.
There will be merge conflict with a fbtft change and the spi driver
changes in your tree, but it's pretty obvious what to do (the function
shouldn't return anything.)
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver updates for 5.18-rc1.
Loads of tiny cleanups for almost all staging drivers in here, nothing
major at all. Highlights include:
- remove the ashmem Android driver. It is long-dead and if there are
any legacy userspace applications still using it, the Android
kernel images will maintain it, the community shouldn't care about
it anymore
- wfx wifi driver major cleanups. Should be ready to merge out of
staging soon, and will coordinate with the wifi maintainers after
-rc1 is out
- major cleanups and unwinding of the layers of the r8188eu driver.
It's amazing just how many unneeded layers of abstraction is in
there, just when we think it's done, another is found...
- lots of tiny coding style cleanups in many other staging drivers.
All have been in linux-next for a while with no reported problems"
* tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (455 commits)
staging: r8188eu: remove unnecessary memset in r8188eu
staging: greybus: introduce pwm_ops::apply
staging: rts5208: Resolve checkpatch.pl issues.
staging: sm750fb: fix naming style
staging: fbtft: Consider type of init sequence values in fbtft_init_display()
staging: fbtft: Constify buf parameter in fbtft_dbg_hex()
staging: mmal-vchiq: clear redundant item named bulk_scratch
mips: dts: ralink: add MT7621 SoC
staging: r8188eu: remove some unused local ieee80211 macros
staging: r8188eu: make rtl8188e_process_phy_info static
staging: r8188eu: remove unused function prototype
staging: r8188eu: remove three unused receive defines
staging: r8188eu: remove unnecessary initializations
staging: rtl8192e: Fix spelling mistake "RESQUEST" -> "REQUEST"
MAINTAINERS: remove the obsolete file entry for staging in ANDROID DRIVERS
staging: r8188eu: proper error handling in rtw_init_drv_sw
staging: r8188eu: call _cancel_timer_ex from _rtw_free_recv_priv
staging: vt6656: Removed unused variable vt3342_vnt_threshold
staging: vt6656: Removed unused variable bb_vga_0
staging: remove ashmem
...
Here is the set of driver core changes for 5.18-rc1.
Not much here, primarily it was a bunch of cleanups and small updates:
- kobj_type cleanups for default_groups
- documentation updates
- firmware loader minor changes
- component common helper added and take advantage of it in many
drivers (the largest part of this pull request).
There will be a merge conflict in drivers/power/supply/ab8500_chargalg.c
with your tree, the merge conflict should be easy (take all the
changes).
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core changes for 5.18-rc1.
Not much here, primarily it was a bunch of cleanups and small updates:
- kobj_type cleanups for default_groups
- documentation updates
- firmware loader minor changes
- component common helper added and take advantage of it in many
drivers (the largest part of this pull request).
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (54 commits)
Documentation: update stable review cycle documentation
drivers/base/dd.c : Remove the initial value of the global variable
Documentation: update stable tree link
Documentation: add link to stable release candidate tree
devres: fix typos in comments
Documentation: add note block surrounding security patch note
samples/kobject: Use sysfs_emit instead of sprintf
base: soc: Make soc_device_match() simpler and easier to read
driver core: dd: fix return value of __setup handler
driver core: Refactor sysfs and drv/bus remove hooks
driver core: Refactor multiple copies of device cleanup
scripts: get_abi.pl: Fix typo in help message
kernfs: fix typos in comments
kernfs: remove unneeded #if 0 guard
ALSA: hda/realtek: Make use of the helper component_compare_dev_name
video: omapfb: dss: Make use of the helper component_compare_dev
power: supply: ab8500: Make use of the helper component_compare_dev
ASoC: codecs: wcd938x: Make use of the helper component_compare/release_of
iommu/mediatek: Make use of the helper component_compare/release_of
drm: of: Make use of the helper component_release_of
...
Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
There will be two merge conflicts with your tree, one in MAINTAINERS
which is obvious to fix up, and one in drivers/phy/freescale/Kconfig
which also should be easy to resolve.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
firmware: google: Properly state IOMEM dependency
kgdbts: fix return value of __setup handler
firmware: sysfb: fix platform-device leak in error path
firmware: stratix10-svc: add missing callback parameter on RSU
arm64: dts: qcom: add non-secure domain property to fastrpc nodes
misc: fastrpc: Add dma handle implementation
misc: fastrpc: Add fdlist implementation
misc: fastrpc: Add helper function to get list and page
misc: fastrpc: Add support to secure memory map
dt-bindings: misc: add fastrpc domain vmid property
misc: fastrpc: check before loading process to the DSP
misc: fastrpc: add secure domain support
dt-bindings: misc: add property to support non-secure DSP
misc: fastrpc: Add support to get DSP capabilities
misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
misc: fastrpc: separate fastrpc device from channel context
dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
dt-bindings: nvmem: make "reg" property optional
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
nvmem: dt-bindings: Fix the error of dt-bindings check
...
No core changes this time. Just new driver code and improvements!
New drivers:
- New driver for the Broadcom BCM4908 SoC.
- New subdriver for Tesla FSD (Full Self Driving) SoC, a
derivative of the Samsung Exynos pin control driver.
- New driver for the Amlogic Meson S4 SoC.
- New driver for the Sunplus SP7021 SoC.
- New driver for the Microsemi Ocelot family ServalT SoC.
- New subdriver for Intel Alder Lake-M SoC.
- New subdriver for Intel Ice Lake-N SoC, including PCH support.
- New subdriver for Renesas R8A779F0 SoC.
- New subdriver for Mediatek MT8186 SoC.
- New subdriver for NXP Freescale i.MX93 SoC.
- New driver for Nuvoton WPCM450 SoC.
- New driver for Qualcomm SC8280XP SoC.
Improvements:
- Wakeup support on Samsung Exynos850 and ExynosAutov9.
- Serious and voluminous maintenance cleanup and refactoring in
the Renesas drivers. Mainly sharing similar data between the
different SoC subdrivers.
- Qualcomm SM8450 EGPIO support.
- Drive strength support on the Mediatek MT8195.
- Add some missing groups and functions to the Ralink RT2880.
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Merge tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"No core changes this time. Just new driver code and improvements!
New drivers:
- New driver for the Broadcom BCM4908 SoC.
- New subdriver for Tesla FSD (Full Self Driving) SoC, a derivative
of the Samsung Exynos pin control driver.
- New driver for the Amlogic Meson S4 SoC.
- New driver for the Sunplus SP7021 SoC.
- New driver for the Microsemi Ocelot family ServalT SoC.
- New subdriver for Intel Alder Lake-M SoC.
- New subdriver for Intel Ice Lake-N SoC, including PCH support.
- New subdriver for Renesas R8A779F0 SoC.
- New subdriver for Mediatek MT8186 SoC.
- New subdriver for NXP Freescale i.MX93 SoC.
- New driver for Nuvoton WPCM450 SoC.
- New driver for Qualcomm SC8280XP SoC.
Improvements:
- Wakeup support on Samsung Exynos850 and ExynosAutov9.
- Serious and voluminous maintenance cleanup and refactoring in the
Renesas drivers. Mainly sharing similar data between the different
SoC subdrivers.
- Qualcomm SM8450 EGPIO support.
- Drive strength support on the Mediatek MT8195.
- Add some missing groups and functions to the Ralink RT2880"
* tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (188 commits)
pinctrl: mediatek: common-v1: fix semicolon.cocci warnings
pinctrl: nuvoton: wpcm450: Fix build error without OF
pinctrl: qcom-pmic-gpio: Add support for pm8450
dt-bindings: pinctrl: aspeed: Update gfx node in example
dt-bindings: pinctrl: rt2880: add missing pin groups and functions
pinctrl: ingenic: Fix regmap on X series SoCs
pinctrl: nuvoton: Fix return value check in wpcm450_gpio_register()
pinctrl: nuvoton: wpcm450: off by one in wpcm450_gpio_register()
pinctrl: nuvoton: wpcm450: select GENERIC_PINCTRL_GROUPS
pinctrl: nuvoton: Fix sparse warning
pinctrl: mediatek: mt8186: Account for probe refactoring
pinctrl: mediatek: common-v1: Commonize spec_ies_smt_set callback
pinctrl: mediatek: common-v1: Commonize spec_pupd callback
pinctrl: mediatek: common-v1: Use common probe function
pinctrl: mediatek: common-v1: Add common probe function
pinctrl: mediatek: paris: Unify probe function by using OF match data
pinctrl/rockchip: Add missing of_node_put() in rockchip_pinctrl_probe
pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe
pinctrl: berlin: fix error return code of berlin_pinctrl_build_state()
pinctrl: qcom: Introduce sc8280xp TLMM driver
...
Halil Pasic points out [1] that the full revert of that commit (revert
in bddac7c1e0), and that a partial revert that only reverts the
problematic case, but still keeps some of the cleanups is probably
better. 
And that partial revert [2] had already been verified by Oleksandr
Natalenko to also fix the issue, I had just missed that in the long
discussion.
So let's reinstate the cleanups from commit aa6f8dcbab ("swiotlb:
rework "fix info leak with DMA_FROM_DEVICE""), and effectively only
revert the part that caused problems.
Link: https://lore.kernel.org/all/20220328013731.017ae3e3.pasic@linux.ibm.com/ [1]
Link: https://lore.kernel.org/all/20220324055732.GB12078@lst.de/ [2]
Link: https://lore.kernel.org/all/4386660.LvFx2qVVIh@natalenko.name/ [3]
Suggested-by: Halil Pasic <pasic@linux.ibm.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Christoph Hellwig" <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
that need review and did not make it.
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Merge tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Nothing major here, there are two drivers that need review and did not
make it into this round"
* tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: pca955x: Allow zero LEDs to be specified
leds: pca955x: Make the gpiochip always expose all pins
leds: simatic-ipc-leds: Don't directly deref ioremap_resource() returned ptr
leds: simatic-ipc-leds: Make simatic_ipc_led_mem_res static
leds: lm3692x: Return 0 from remove callback
leds: sgm3140: Add ocs,ocp8110 compatible
dt-bindings: vendor-prefixes: Add ocs prefix
dt-bindings: leds: common: fix unit address in max77693 example
Here is the big set of USB and Thunderbolt changes for 5.18-rc1.
Nothing major in here, just lots of little improvements and cleanups and
new device support. Highlights are:
- list iterator fixups for when we walk past the end of the list
(a common problem that was cut/pasted in almost all USB gadget
drivers)
- xen USB driver "hardening" for malicious hosts
- xhci driver updates and fixes for more hardware types
- xhci debug cable fixes to make it actually work again
- usb gadget audio driver improvements
- usb gadget storage fixes to work with OS-X
- lots of other small usb gadget fixes and updates
- USB DWC3 driver improvements for more hardware types
- Lots of other small USB driver improvements
- DTS updates for some USB platforms
Note, the DTS updates will have a merge conflict in your tree. The
fixup should be simple, but if not, I can provide a merged tree if
needed.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 5.18-rc1.
Nothing major in here, just lots of little improvements and cleanups
and new device support. Highlights are:
- list iterator fixups for when we walk past the end of the list (a
common problem that was cut/pasted in almost all USB gadget
drivers)
- xen USB driver "hardening" for malicious hosts
- xhci driver updates and fixes for more hardware types
- xhci debug cable fixes to make it actually work again
- usb gadget audio driver improvements
- usb gadget storage fixes to work with OS-X
- lots of other small usb gadget fixes and updates
- USB DWC3 driver improvements for more hardware types
- Lots of other small USB driver improvements
- DTS updates for some USB platforms
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (172 commits)
usb: gadget: fsl_qe_udc: Add missing semicolon in qe_ep_dequeue()
dt-bindings: usb: mtk-xhci: add compatible for mt8186
usb: dwc3: Issue core soft reset before enabling run/stop
usb: gadget: Makefile: remove ccflags-y
USB: usb-storage: Fix use of bitfields for hardware data in ene_ub6250.c
usb: gadget: eliminate anonymous module_init & module_exit
usb: usbip: eliminate anonymous module_init & module_exit
xen/usb: harden xen_hcd against malicious backends
usb: dwc3: gadget: Wait for ep0 xfers to complete during dequeue
usb: dwc3: gadget: move cmd_endtransfer to extra function
usb: dwc3: gadget: ep_queue simplify isoc start condition
xen/usb: don't use arbitrary_virt_to_machine()
usb: isp1760: remove redundant max_packet() macro
usb: oxu210hp-hcd: remove redundant call to max_packet() macro
usb: common: usb-conn-gpio: Make VBUS supply completely optional
USB: storage: ums-realtek: fix error code in rts51x_read_mem()
usb: early: xhci-dbc: Fix xdbc number parsing
usb: early: xhci-dbc: Remove duplicate keep parsing
x86/tsc: Be consistent about use_tsc_delay()
usb: gadget: udc: s3c2410: remove usage of list iterator past the loop body
...
Pull i2c updates from Wolfram Sang:
- tracepoints when Linux acts as an I2C client
- added support for AMD PSP
- whole subsystem now uses generic_handle_irq_safe()
- piix4 driver gained MMIO access enabling so far missed controllers
with AMD chipsets
- a bulk of device driver updates, refactorization, and fixes.
* 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (61 commits)
i2c: mux: demux-pinctrl: do not deactivate a master that is not active
i2c: meson: Fix wrong speed use from probe
i2c: add tracepoints for I2C slave events
i2c: designware: Remove code duplication
i2c: cros-ec-tunnel: Fix syntax errors in comments
MAINTAINERS: adjust XLP9XX I2C DRIVER after removing the devicetree binding
i2c: designware: Mark dw_i2c_plat_{suspend,resume}() as __maybe_unused
i2c: mediatek: Add i2c compatible for Mediatek MT8168
dt-bindings: i2c: update bindings for MT8168 SoC
i2c: mt65xx: Simplify with clk-bulk
i2c: i801: Drop two outdated comments
i2c: xiic: Make bus names unique
i2c: i801: Add support for the Process Call command
i2c: i801: Drop useless masking in i801_access
i2c: tegra: Add SMBus block read function
i2c: designware: Use the i2c_mark_adapter_suspended/resumed() helpers
i2c: designware: Lock the adapter while setting the suspended flag
i2c: mediatek: remove redundant null check
i2c: mediatek: modify bus speed calculation formula
i2c: designware: Fix improper usage of readl
...
- Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
much needed help.
- DT schema validation now takes DTB files as input rather than
intermediate YAML files. This decouples the validation from the source
level syntax information. There's a bunch of schema fixes as a result
of switching to DTB based validation which exposed some errors
and incomplete schemas and examples.
- Kbuild improvements to explicitly warn users running 'make
dt_binding_check' on missing yamllint
- Expand DT_SCHEMA_FILES kbuild variable to take just a partial filename
or path instead of the full path to 1 file.
- Convert various bindings to schema format: mscc,vsc7514-switch,
multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
msm/mdp4, rda,8810pl-uart
- New schemas for u-boot environment variable partition, TI clksel
- New compatible strings for Renesas RZ/V2L SoC
- Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated HiSilicon
- Add/fix schemas for QEMU Arm 'virt' machine
- Drop unused of_alias_get_alias_list() function
- Add a script to check DT unittest EXPECT message output. Pass messages
also now print by default at PR_INFO level to help test automation.
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Merge tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
much needed help.
- DT schema validation now takes DTB files as input rather than
intermediate YAML files. This decouples the validation from the
source level syntax information. There's a bunch of schema fixes as a
result of switching to DTB based validation which exposed some errors
and incomplete schemas and examples.
- Kbuild improvements to explicitly warn users running 'make
dt_binding_check' on missing yamllint
- Expand DT_SCHEMA_FILES kbuild variable to take just a partial
filename or path instead of the full path to 1 file.
- Convert various bindings to schema format: mscc,vsc7514-switch,
multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
msm/mdp4, rda,8810pl-uart
- New schemas for u-boot environment variable partition, TI clksel
- New compatible strings for Renesas RZ/V2L SoC
- Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated
HiSilicon
- Add/fix schemas for QEMU Arm 'virt' machine
- Drop unused of_alias_get_alias_list() function
- Add a script to check DT unittest EXPECT message output. Pass
messages also now print by default at PR_INFO level to help test
automation.
* tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (96 commits)
dt-bindings: kbuild: Make DT_SCHEMA_LINT a recursive variable
dt-bindings: nvmem: add U-Boot environment variables binding
dt-bindings: ufs: qcom: Add SM6350 compatible string
dt-bindings: dmaengine: sifive,fu540-c000: include generic schema
dt-bindings: gpio: pca95xx: drop useless consumer example
Revert "of: base: Introduce of_alias_get_alias_list() to check alias IDs"
dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent'
dt-bindings: gnss: Add two more chips
dt-bindings: gnss: Rewrite sirfstar binding in YAML
dt-bindings: gnss: Modify u-blox to use common bindings
dt-bindings: gnss: Rewrite common bindings in YAML
dt-bindings: ata: ahci-platform: Add rk3568-dwc-ahci compatible
dt-bindings: ata: ahci-platform: Add power-domains property
dt-bindings: ata: ahci-platform: Convert DT bindings to yaml
dt-bindings: kbuild: Use DTB files for validation
dt-bindings: kbuild: Pass DT_SCHEMA_FILES to dt-validate
dt-bindings: Add QEMU virt machine compatible
dt-bindings: arm: Convert QEMU fw-cfg to DT schema
dt-bindings: i2c: at91: Add SAMA7G5 compatible strings list
dt-bindings: i2c: convert i2c-at91 to json-schema
...
This reverts commit aa6f8dcbab.
It turns out this breaks at least the ath9k wireless driver, and
possibly others.
What the ath9k driver does on packet receive is to set up the DMA
transfer with:
int ath_rx_init(..)
..
bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
common->rx_bufsize,
DMA_FROM_DEVICE);
and then the receive logic (through ath_rx_tasklet()) will fetch
incoming packets
static bool ath_edma_get_buffers(..)
..
dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
common->rx_bufsize, DMA_FROM_DEVICE);
ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
if (ret == -EINPROGRESS) {
/*let device gain the buffer again*/
dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
common->rx_bufsize, DMA_FROM_DEVICE);
return false;
}
and it's worth noting how that first DMA sync:
dma_sync_single_for_cpu(..DMA_FROM_DEVICE);
is there to make sure the CPU can read the DMA buffer (possibly by
copying it from the bounce buffer area, or by doing some cache flush).
The iommu correctly turns that into a "copy from bounce bufer" so that
the driver can look at the state of the packets.
In the meantime, the device may continue to write to the DMA buffer, but
we at least have a snapshot of the state due to that first DMA sync.
But that _second_ DMA sync:
dma_sync_single_for_device(..DMA_FROM_DEVICE);
is telling the DMA mapping that the CPU wasn't interested in the area
because the packet wasn't there. In the case of a DMA bounce buffer,
that is a no-op.
Note how it's not a sync for the CPU (the "for_device()" part), and it's
not a sync for data written by the CPU (the "DMA_FROM_DEVICE" part).
Or rather, it _should_ be a no-op. That's what commit aa6f8dcbab
broke: it made the code bounce the buffer unconditionally, and changed
the DMA_FROM_DEVICE to just unconditionally and illogically be
DMA_TO_DEVICE.
[ Side note: purely within the confines of the swiotlb driver it wasn't
entirely illogical: The reason it did that odd DMA_FROM_DEVICE ->
DMA_TO_DEVICE conversion thing is because inside the swiotlb driver,
it uses just a swiotlb_bounce() helper that doesn't care about the
whole distinction of who the sync is for - only which direction to
bounce.
So it took the "sync for device" to mean that the CPU must have been
the one writing, and thought it meant DMA_TO_DEVICE. ]
Also note how the commentary in that commit was wrong, probably due to
that whole confusion, claiming that the commit makes the swiotlb code
"bounce unconditionally (that is, also
when dir == DMA_TO_DEVICE) in order do avoid synchronising back stale
data from the swiotlb buffer"
which is nonsensical for two reasons:
- that "also when dir == DMA_TO_DEVICE" is nonsensical, as that was
exactly when it always did - and should do - the bounce.
- since this is a sync for the device (not for the CPU), we're clearly
fundamentally not coping back stale data from the bounce buffers at
all, because we'd be copying *to* the bounce buffers.
So that commit was just very confused. It confused the direction of the
synchronization (to the device, not the cpu) with the direction of the
DMA (from the device).
Reported-and-bisected-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Reported-by: Olha Cherevyk <olha.cherevyk@gmail.com>
Cc: Halil Pasic <pasic@linux.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Toke Høiland-Jørgensen <toke@toke.dk>
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Little fixes for various things people have noticed.
One enhancement, the IPMI over IPMB (I2c) is modified to allow it to
take a separate sender and receiver device. The Raspberry Pi has an
I2C slave device that cannot send.
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Merge tag 'for-linus-5.17-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
- Little fixes for various things people have noticed.
- One enhancement, the IPMI over IPMB (I2c) is modified to allow it to
take a separate sender and receiver device. The Raspberry Pi has an
I2C slave device that cannot send.
* tag 'for-linus-5.17-1' of https://github.com/cminyard/linux-ipmi:
ipmi: initialize len variable
ipmi: kcs: aspeed: Remove old bindings support
ipmi:ipmb: Add the ability to have a separate slave and master device
ipmi:ipmi_ipmb: Unregister the SMI on remove
ipmi: kcs: aspeed: Add AST2600 compatible string
ipmi: ssif: replace strlcpy with strscpy
ipmi/watchdog: Constify ident
ipmi: Add the git repository to the MAINTAINERS file
- Add support for Maxim MAX77714 PMIC
- Remove Drivers
- Remove support for ST-Ericsson AB8500 DebugFS
- New Device Support
- Add support for Silergy SY7636A to Simple MFD I2C
- Add support for MediaTek MT6366 PMIC to MT6358 IRQ
- Add support for Charger to Intel PMIC CRC
- Add support for Raptor Lake to Intel LPSS PCI
- New Functionality
- Add support for Reboot to Rockchip RK808
- Fix-ups
- Device Tree changes (inc. YAML conversion); silergy,sy7636a, maxim,max77843,
google,cros-ec, maxim,max14577, maxim,max77802,
maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
stericsson,ab8500, stericsson,db8500-prcmu,
samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
- Visible to menuconfig; simple-mfd-i2c
- Clean-up or clarify code; max77686, intel_soc_pmic_crc
- Improve error handling; mc13xxx-core, stmfx, asic3
- Pass device information to child devices; iqs62x, intel-lpss-acpi
- Individually identify IRQ domains; intel_soc_pmic_core
- Remove superfluous code; dbx500-prcmu, exynos-lpass
- Staticify and constify; arizona-i2c
- Mark sometimes used data as __maybe_unused; atmel-flexcom
- Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
- Use provided (platform) APIs; ab8500-core
- Trivial (whitespace, spelling); rohm-bd9576
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Merge tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for Maxim MAX77714 PMIC
Removed Drivers:
- Remove support for ST-Ericsson AB8500 DebugFS
New Device Support:
- Add support for Silergy SY7636A to Simple MFD I2C
- Add support for MediaTek MT6366 PMIC to MT6358 IRQ
- Add support for Charger to Intel PMIC CRC
- Add support for Raptor Lake to Intel LPSS PCI
New Functionality:
- Add support for Reboot to Rockchip RK808
Fix-ups:
- Device Tree changes (includcing YAML conversion) for
silergy,sy7636a, maxim,max77843, google,cros-ec, maxim,max14577,
maxim,max77802, maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
stericsson,ab8500, stericsson,db8500-prcmu,
samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
- Visible to menuconfig; simple-mfd-i2c
- Clean-up or clarify code; max77686, intel_soc_pmic_crc
- Improve error handling; mc13xxx-core, stmfx, asic3
- Pass device information to child devices; iqs62x, intel-lpss-acpi
- Individually identify IRQ domains; intel_soc_pmic_core
- Remove superfluous code; dbx500-prcmu, exynos-lpass
- Staticify and constify; arizona-i2c
- Mark sometimes used data as __maybe_unused; atmel-flexcom
- Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
- Use provided (platform) APIs; ab8500-core
- Trivial (whitespace, spelling); rohm-bd9576"
* tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits)
dt-bindings: mfd: syscon: Add microchip,lan966x-cpu-syscon compatible
mfd: bd9576: fix typos in comments
mfd: Use platform_get_irq() to get the interrupt
mfd: db8500-prcmu: Remove unused inline function
mfd: arizona-spi: Add Android board ACPI table handling
mfd: arizona-spi: Split Windows ACPI init code into its own function
mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
MAINTAINERS: Rectify entry for ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS
mfd: intel-lpss: Provide an SSP type to the driver
dt-bindings: mfd: brcm,cru: Rename pinctrl node
dt-bindings: Add compatibles for undocumented trivial syscons
mfd: atmel-flexcom: Fix compilation warning
dt-bindings: mfd: Add compatible for the MediaTek MT6366 PMIC
dt-bindings: mfd: samsung,exynos5433-lpass: Convert to dtschema
mfd: exynos-lpass: Drop unneeded syscon.h include
mfd: intel-lpss: Add Intel Raptor Lake PCH-S PCI IDs
mfd: ab8500: Drop debugfs module
mfd: sta2x11: Use GFP_KERNEL instead of GFP_ATOMIC
mfd: ab8500: Rewrite bindings in YAML
mfd: qcom-spmi-pmic: Add pm8953 compatible
...
* Replace the expert mode symbols with a single helper
* Fix misuses of of_match_ptr()
* Remove partid and partname debugfs files
* tests: Fix eraseblock read speed miscalculation for lower partition sizes
* TRX parser: Allow to use on MediaTek MIPS SoCs
MTD driver changes:
* spear_smi: use GFP_KERNEL
* mchp48l640: Add SPI ID table
* mchp23k256: Add SPI ID table
* blkdevs: Avoid soft lockups with some mtd/spi devices
* aspeed-smc: Improve probe resilience
Hyperbus changes:
* HBMC_AM654 should depend on ARCH_K3
NAND core changes:
* ECC:
- Add infrastructure to support hardware engines
- Add a new helper to retrieve the ECC context
- Provide a helper to retrieve a pilelined engine device
NAND-ECC changes:
* Macronix ECC engine:
- Add Macronix external ECC engine support
- Support SPI pipelined mode
- Make two read-only arrays static const
- Fix compile test issue
Raw NAND core changes:
* Fix misuses of of_match_node()
* Rework of_get_nand_bus_width()
* Remove of_get_nand_on_flash_bbt() wrapper
* Protect access to rawnand devices while in suspend
* bindings: Document the wp-gpios property
Rax NAND controller driver changes:
* atmel: Fix refcount issue in atmel_nand_controller_init
* nandsim:
- Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
- Merge repeat codes in ns_switch_state
- Replace overflow check with kzalloc to single kcalloc
* rockchip: Fix platform_get_irq.cocci warning
* stm32_fmc2: Add NAND Write Protect support
* pl353: Set the nand chip node as the flash node
* brcmnand: Fix sparse warnings in bcma_nand
* omap_elm: Remove redundant variable 'errors'
* gpmi:
- Support fast edo timings for mx28
- Validate controller clock rate
- Fix controller timings setting
* brcmnand:
- Add BCMA shim
- BCMA controller uses command shift of 0
- Allow platform data instantation
- Add platform data structure for BCMA
- Allow working without interrupts
- Move OF operations out of brcmnand_init_cs()
- Avoid pdev in brcmnand_init_cs()
- Allow SoC to provide I/O operations
- Assign soc as early as possible
Onenand changes:
* Check for error irq
SPI-NAND core changes:
* Delay a little bit the dirmap creation
* Create direct mapping descriptors for ECC operations
SPI-NAND driver changes:
* macronix: Use random program load
SPI NOR core changes:
* Move vendor specific code out of the core into vendor drivers.
* Unify all function and object names in the vendor modules.
* Make setup() callback optional to improve readability.
* Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
declaration.
SPI changes:
* Macronix SPI controller:
- Fix the transmit path
- Create a helper to configure the controller before an operation
- Create a helper to ease the start of an operation
- Add support for direct mapping
- Add support for pipelined ECC operations
* spi-mem:
- Introduce a capability structure
- Check the controller extra capabilities
- cadence-quadspi/mxic: Provide capability structures
- Kill the spi_mem_dtr_supports_op() helper
- Add an ecc parameter to the spi_mem_op structure
Binding changes:
* Dropped mtd/cortina,gemini-flash.txt
* Convert BCM47xx partitions to json-schema
* Vendor prefixes: Clarify Macronix prefix
* SPI NAND: Convert spi-nand description file to yaml
* Raw NAND chip: Create a NAND chip description
* Raw NAND controller:
- Harmonize the property types
- Fix a comment in the examples
- Fix the reg property description
* Describe Macronix NAND ECC engine
* Macronix SPI controller:
- Document the nand-ecc-engine property
- Convert to yaml
- The interrupt property is not mandatory
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Merge tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"There has been a lot of activity in the MTD subsystem recently, with a
number of SPI-NOR cleanups as well as the introduction of ECC engines
that can be used by SPI controllers (hence a few SPI patches in here).
Core MTD changes:
- Replace the expert mode symbols with a single helper
- Fix misuses of of_match_ptr()
- Remove partid and partname debugfs files
- tests: Fix eraseblock read speed miscalculation for lower partition
sizes
- TRX parser: Allow to use on MediaTek MIPS SoCs
MTD driver changes:
- spear_smi: use GFP_KERNEL
- mchp48l640: Add SPI ID table
- mchp23k256: Add SPI ID table
- blkdevs: Avoid soft lockups with some mtd/spi devices
- aspeed-smc: Improve probe resilience
Hyperbus changes:
- HBMC_AM654 should depend on ARCH_K3
NAND core changes:
- ECC:
- Add infrastructure to support hardware engines
- Add a new helper to retrieve the ECC context
- Provide a helper to retrieve a pilelined engine device
NAND-ECC changes:
- Macronix ECC engine:
- Add Macronix external ECC engine support
- Support SPI pipelined mode
- Make two read-only arrays static const
- Fix compile test issue
Raw NAND core changes:
- Fix misuses of of_match_node()
- Rework of_get_nand_bus_width()
- Remove of_get_nand_on_flash_bbt() wrapper
- Protect access to rawnand devices while in suspend
- bindings: Document the wp-gpios property
Rax NAND controller driver changes:
- atmel: Fix refcount issue in atmel_nand_controller_init
- nandsim:
- Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
- Merge repeat codes in ns_switch_state
- Replace overflow check with kzalloc to single kcalloc
- rockchip: Fix platform_get_irq.cocci warning
- stm32_fmc2: Add NAND Write Protect support
- pl353: Set the nand chip node as the flash node
- brcmnand: Fix sparse warnings in bcma_nand
- omap_elm: Remove redundant variable 'errors'
- gpmi:
- Support fast edo timings for mx28
- Validate controller clock rate
- Fix controller timings setting
- brcmnand:
- Add BCMA shim
- BCMA controller uses command shift of 0
- Allow platform data instantation
- Add platform data structure for BCMA
- Allow working without interrupts
- Move OF operations out of brcmnand_init_cs()
- Avoid pdev in brcmnand_init_cs()
- Allow SoC to provide I/O operations
- Assign soc as early as possible
Onenand changes:
- Check for error irq
SPI-NAND core changes:
- Delay a little bit the dirmap creation
- Create direct mapping descriptors for ECC operations
SPI-NAND driver changes:
- macronix: Use random program load
SPI NOR core changes:
- Move vendor specific code out of the core into vendor drivers.
- Unify all function and object names in the vendor modules.
- Make setup() callback optional to improve readability.
- Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
declaration.
SPI changes:
- Macronix SPI controller:
- Fix the transmit path
- Create a helper to configure the controller before an operation
- Create a helper to ease the start of an operation
- Add support for direct mapping
- Add support for pipelined ECC operations
- spi-mem:
- Introduce a capability structure
- Check the controller extra capabilities
- cadence-quadspi/mxic: Provide capability structures
- Kill the spi_mem_dtr_supports_op() helper
- Add an ecc parameter to the spi_mem_op structure
Binding changes:
- Dropped mtd/cortina,gemini-flash.txt
- Convert BCM47xx partitions to json-schema
- Vendor prefixes: Clarify Macronix prefix
- SPI NAND: Convert spi-nand description file to yaml
- Raw NAND chip: Create a NAND chip description
- Raw NAND controller:
- Harmonize the property types
- Fix a comment in the examples
- Fix the reg property description
- Describe Macronix NAND ECC engine
- Macronix SPI controller:
- Document the nand-ecc-engine property
- Convert to yaml
- The interrupt property is not mandatory"
* tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (104 commits)
mtd: nand: ecc: mxic: Fix compile test issue
mtd: nand: mxic-ecc: make two read-only arrays static const
mtd: hyperbus: HBMC_AM654 should depend on ARCH_K3
mtd: core: Remove partid and partname debugfs files
dt-bindings: mtd: partitions: convert BCM47xx to the json-schema
mtd: tests: Fix eraseblock read speed miscalculation for lower partition sizes
mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
mtd: rawnand: rockchip: fix platform_get_irq.cocci warning
mtd: spi-nor: Skip erase logic when SPI_NOR_NO_ERASE is set
mtd: spi-nor: renumber flags
mtd: spi-nor: slightly change code style in spi_nor_sr_ready()
mtd: spi-nor: spansion: rename vendor specific functions and defines
mtd: spi-nor: spansion: convert USE_CLSR to a manufacturer flag
mtd: spi-nor: move all spansion specifics into spansion.c
mtd: spi-nor: spansion: slightly rework control flow in late_init()
mtd: spi-nor: micron-st: rename vendor specific functions and defines
mtd: spi-nor: micron-st: convert USE_FSR to a manufacturer flag
mtd: spi-nor: move all micron-st specifics into micron-st.c
mtd: spi-nor: xilinx: correct the debug message
mtd: spi-nor: xilinx: rename vendor specific functions and defines
...
power-supply core:
- Introduce "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc. small improvements and fixes
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Merge tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- Introduce "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung
battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc small improvements and fixes"
* tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (94 commits)
power: ab8500_chargalg: Use CLOCK_MONOTONIC
power: supply: Add a driver for Injoinic power bank ICs
dt-bindings: trivial-devices: Add Injoinic power bank ICs
dt-bindings: vendor-prefixes: Add Injoinic
power: supply: ab8500: Remove unused variable
power: supply: da9150-fg: Remove unnecessary print function dev_err()
power: supply: ab8500: fix a handful of spelling mistakes
power: supply: ab8500_fg: Account for line impedance
dt-bindings: power: supply: ab8500_fg: Add line impedance
power: supply: axp20x_usb_power: fix platform_get_irq.cocci warnings
power: supply: axp20x_ac_power: fix platform_get_irq.cocci warning
power: supply: wm8350-power: Add missing free in free_charger_irq
power: supply: wm8350-power: Handle error for wm8350_register_irq
power: supply: Static data for Samsung batteries
power: supply: ab8500_fg: Use VBAT-to-Ri if possible
power: supply: Support VBAT-to-Ri lookup tables
power: supply: ab8500: Standardize BTI resistance
power: supply: ab8500: Standardize alert mode charging
power: supply: ab8500: Standardize maintenance charging
power: supply: bq24190_charger: Delay applying charge_type changes when OTG 5V Vbus boost is on
...
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Merge tag 'pci-v5.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Move the VGA arbiter from drivers/gpu to drivers/pci because it's
PCI-specific, not GPU-specific (Bjorn Helgaas)
- Select the default VGA device consistently whether it's enumerated
before or after VGA arbiter init, which fixes arches that enumerate
PCI devices late (Huacai Chen)
Resource management:
- Support BAR sizes up to 8TB (Dongdong Liu)
PCIe native device hotplug:
- Fix "Command Completed" tracking to avoid spurious timouts when
powering off empty slots (Liguang Zhang)
- Quirk Qualcomm devices that don't implement Command Completed
correctly, again to avoid spurious timeouts (Manivannan Sadhasivam)
Peer-to-peer DMA:
- Add Intel 3rd Gen Intel Xeon Scalable Processors to whitelist
(Michael J. Ruhl)
APM X-Gene PCIe controller driver:
- Revert generic DT parsing changes that broke some machines in the
field (Marc Zyngier)
Freescale i.MX6 PCIe controller driver:
- Allow controller probe to succeed even when no devices currently
present to allow hot-add later (Fabio Estevam)
- Enable power management on i.MX6QP (Richard Zhu)
- Assert CLKREQ# on i.MX8MM so enumeration doesn't hang when no
device is connected (Richard Zhu)
Marvell Aardvark PCIe controller driver:
- Fix MSI and MSI-X support (Marek Behún, Pali Rohár)
- Add support for ERR and PME interrupts (Pali Rohár)
Marvell MVEBU PCIe controller driver:
- Add DT binding and support for "num-lanes" (Pali Rohár)
- Add support for INTx interrupts (Pali Rohár)
Microsoft Hyper-V host bridge driver:
- Avoid unnecessary hypercalls when unmasking IRQs on ARM64 (Boqun
Feng)
Qualcomm PCIe controller driver:
- Add SM8450 DT binding and driver support (Dmitry Baryshkov)
Renesas R-Car PCIe controller driver:
- Help the controller get to the L1 state since the hardware can't do
it on its own (Marek Vasut)
- Return PCI_ERROR_RESPONSE (~0) for reads that fail on PCIe (Marek
Vasut)
SiFive FU740 PCIe controller driver:
- Drop redundant '-gpios' from DT GPIO lookup (Ben Dooks)
- Force 2.5GT/s for initial device probe (Ben Dooks)
Socionext UniPhier Pro5 controller driver:
- Add NX1 DT binding and driver support (Kunihiko Hayashi)
Synopsys DesignWare PCIe controller driver:
- Restore MSI configuration so MSI works after resume (Jisheng
Zhang)"
* tag 'pci-v5.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
x86/PCI: Add #includes to asm/pci_x86.h
PCI: ibmphp: Remove unused assignments
PCI: cpqphp: Remove unused assignments
PCI: fu740: Remove unused assignments
PCI: kirin: Remove unused assignments
PCI: Remove unused assignments
PCI: Declare pci_filp_private only when HAVE_PCI_MMAP
PCI: Avoid broken MSI on SB600 USB devices
PCI: fu740: Force 2.5GT/s for initial device probe
PCI: xgene: Revert "PCI: xgene: Fix IB window setup"
PCI: xgene: Revert "PCI: xgene: Use inbound resources for setup"
PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present
PCI: imx6: Invoke the PHY exit function after PHY power off
PCI: rcar: Use PCI_SET_ERROR_RESPONSE after read which triggered an exception
PCI: rcar: Finish transition to L1 state in rcar_pcie_config_access()
PCI: dwc: Restore MSI Receiver mask during resume
PCI: fu740: Drop redundant '-gpios' from DT GPIO lookup
PCI/VGA: Replace full MIT license text with SPDX identifier
PCI/VGA: Use unsigned format string to print lock counts
PCI/VGA: Log bridge control messages when adding devices
...
- Add an erratum workaround for Intel CPUs which, in certain
circumstances, end up consuming an unrelated uncorrectable memory error
when using fast string copy insns
- Remove the MCE tolerance level control as it is not really needed or
used anymore
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Merge tag 'ras_core_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Borislav Petkov:
- More noinstr fixes
- Add an erratum workaround for Intel CPUs which, in certain
circumstances, end up consuming an unrelated uncorrectable memory
error when using fast string copy insns
- Remove the MCE tolerance level control as it is not really needed or
used anymore
* tag 'ras_core_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Remove the tolerance level control
x86/mce: Work around an erratum on fast string copy instructions
x86/mce: Use arch atomic and bit helpers
Unless it was duplicate on purpose, to emphasize that a raw_spinlock_t
is always a spinning lock regardless of PREEMPT_RT or kernel config,
it's a bit odd that this text is duplicate. So, this patch just clean
it up, keeping the consistency with the other sections of the text.
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 919e9e6395 ("Documentation: Add lock ordering and nesting documentation")
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20220321144133.49804-1-gpiccoli@igalia.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
- new driver: gpio-en7523
- dt-bindings: convertion of faraday,ftgpio010 to YAML, new compatible string
in gpio-vf610 and a bugfix in an example
- gpiolib core: several improvements and some code shrink
- documentation: convert all public docs into kerneldoc format
- set IRQ bus token in gpio-crystalcove (addresses a debugfs issue)
- add a missing return value check for kstrdup() in gpio-merrifield
- allow gpio-tps68470 to be built as module
- more work on limiting usage of of_node in GPIO drivers
- several sysfs interface improvements
- use SDPX in gpio-ts4900
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Merge tag 'gpio-updates-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Relatively few updates for this release cycle. We have a single new
driver and some minor changes in drivers, more work on limiting the
usage of of_node in drivers and DT updates:
- new driver: gpio-en7523
- dt-bindings: convertion of faraday,ftgpio010 to YAML, new
compatible string in gpio-vf610 and a bugfix in an example
- gpiolib core: several improvements and some code shrink
- documentation: convert all public docs into kerneldoc format
- set IRQ bus token in gpio-crystalcove (addresses a debugfs issue)
- add a missing return value check for kstrdup() in gpio-merrifield
- allow gpio-tps68470 to be built as module
- more work on limiting usage of of_node in GPIO drivers
- several sysfs interface improvements
- use SDPX in gpio-ts4900"
* tag 'gpio-updates-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: ts4900: Use SPDX header
gpiolib: Use list_first_entry()/list_last_entry()
gpiolib: sysfs: Simplify edge handling in the code
gpiolib: sysfs: Move kstrtox() calls outside of the mutex lock
gpiolib: sysfs: Move sysfs_emit() calls outside of the mutex lock
gpiolib: make struct comments into real kernel docs
dt-bindings: gpio: convert faraday,ftgpio01 to yaml
dt-bindings: gpio: gpio-vf610: Add imx93 compatible string
gpiolib: Simplify error path in gpiod_get_index() when requesting GPIO
gpiolib: Use short form of ternary operator in gpiod_get_index()
gpiolib: Introduce for_each_gpio_desc_with_flag() macro
gpio: Add support for Airoha EN7523 GPIO controller
dt-bindings: arm: airoha: Add binding for Airoha GPIO controller
dt-bindings: gpio: fix gpio-hog example
gpio: tps68470: Allow building as module
gpio: tegra: Get rid of duplicate of_node assignment
gpio: altera-a10sr: Switch to use fwnode instead of of_node
gpio: merrifield: check the return value of devm_kstrdup()
gpio: crystalcove: Set IRQ domain bus token to DOMAIN_BUS_WIRED
Pull HID updates from Jiri Kosina:
- rework of generic input handling which ultimately makes the
processing of tablet events more generic and reliable (Benjamin
Tissoires)
- fixes for handling unnumbered reports fully correctly in i2c-hid
(Angela Czubak, Dmitry Torokhov)
- untangling of intermingled code for sending and handling output
reports in i2c-hid (Dmitry Torokhov)
- Apple magic keyboard support improvements for newer models (José
Expósito)
- Apple T2 Macs support improvements (Aun-Ali Zaidi, Paul Pawlowski)
- driver for Razer Blackwidow keyboards (Jelle van der Waa)
- driver for SiGma Micro keyboards (Desmond Lim)
- integration of first part of DIGImend patches in order to ultimately
vastly improve Linux support of tablets (Nikolai Kondrashov, José
Expósito)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (55 commits)
HID: intel-ish-hid: Use dma_alloc_coherent for firmware update
Input: docs: add more details on the use of BTN_TOOL
HID: input: accommodate priorities for slotted devices
HID: input: remove the need for HID_QUIRK_INVERT
HID: input: enforce Invert usage to be processed before InRange
HID: core: for input reports, process the usages by priority list
HID: compute an ordered list of input fields to process
HID: input: move up out-of-range processing of input values
HID: input: rework spaghetti code with switch statements
HID: input: tag touchscreens as such if the physical is not there
HID: core: split data fetching from processing in hid_input_field()
HID: core: de-duplicate some code in hid_input_field()
HID: core: statically allocate read buffers
HID: uclogic: Support multiple frame input devices
HID: uclogic: Define report IDs before their descriptors
HID: uclogic: Put version first in rdesc namespace
HID: uclogic: Use "frame" instead of "buttonpad"
HID: uclogic: Use different constants for frame report IDs
HID: uclogic: Specify total report size to buttonpad macro
HID: uclogic: Switch to matching subreport bytes
...
Highlights:
- new drivers:
- AMD Host System Management Port (HSMP)
- Intel Software Defined Silicon
- removed drivers (functionality folded into other drivers):
- intel_cht_int33fe_microb
- surface3_button
- amd-pmc:
- s2idle bug-fixes
- Support for AMD Spill to DRAM STB feature
- hp-wmi:
- Fix SW_TABLET_MODE detection method (and other fixes)
- Support omen thermal profile policy v1
- serial-multi-instantiate:
- Add SPI device support
- Add support for CS35L41 amplifiers used in new laptops
- think-lmi:
- syfs-class-firmware-attributes Certificate authentication support
- thinkpad_acpi:
- Fixes + quirks
- Add platform_profile support on AMD based ThinkPads
- x86-android-tablets
- Improve Asus ME176C / TF103C support
- Support Nextbook Ares 8, Lenovo Tab 2 830 and 1050 tablets
- Lots of various other small fixes and hardware-id additions
The following is an automated git shortlog grouped by driver:
ACPI / scan:
- Create platform device for CS35L41
ACPI / x86:
- Add support for LPS0 callback handler
ALSA:
- hda/realtek: Add support for HP Laptops
Add AMD system management interface:
- Add AMD system management interface
Add Intel Software Defined Silicon driver:
- Add Intel Software Defined Silicon driver
Documentation:
- syfs-class-firmware-attributes: Lenovo Certificate support
- Add x86/amd_hsmp driver
ISST:
- Fix possible circular locking dependency detected
Input:
- soc_button_array - add support for Microsoft Surface 3 (MSHW0028) buttons
Merge remote-tracking branch 'pdx86/platform-drivers-x86-pinctrl-pmu_clk' into review-hans-gcc12:
- Merge remote-tracking branch 'pdx86/platform-drivers-x86-pinctrl-pmu_clk' into review-hans-gcc12
Merge tag 'platform-drivers-x86-serial-multi-instantiate-1' into review-hans:
- Merge tag 'platform-drivers-x86-serial-multi-instantiate-1' into review-hans
Replace acpi_bus_get_device():
- Replace acpi_bus_get_device()
amd-pmc:
- Only report STB errors when STB enabled
- Drop CPU QoS workaround
- Output error codes in messages
- Move to later in the suspend process
- Validate entry into the deepest state on resume
- uninitialized variable in amd_pmc_s2d_init()
- Set QOS during suspend on CZN w/ timer wakeup
- Add support for AMD Spill to DRAM STB feature
- Correct usage of SMU version
- Make amd_pmc_stb_debugfs_fops static
asus-tf103c-dock:
- Make 2 global structs static
asus-wmi:
- Fix regression when probing for fan curve control
hp-wmi:
- support omen thermal profile policy v1
- Changing bios_args.data to be dynamically allocated
- Fix 0x05 error code reported by several WMI calls
- Fix SW_TABLET_MODE detection method
- Fix hp_wmi_read_int() reporting error (0x05)
huawei-wmi:
- check the return value of device_create_file()
i2c-multi-instantiate:
- Rename it for a generic serial driver name
int3472:
- Add terminator to gpiod_lookup_table
intel-uncore-freq:
- fix uncore_freq_common_init() error codes
intel_cht_int33fe:
- Move to intel directory
- Drop Lenovo Yogabook YB1-X9x code
- Switch to DMI modalias based loading
intel_crystal_cove_charger:
- Fix IRQ masking / unmasking
lg-laptop:
- Move setting of battery charge limit to common location
pinctrl:
- baytrail: Add pinconf group + function for the pmu_clk
platform/dcdbas:
- move EXPORT_SYMBOL after function
platform/surface:
- Remove Surface 3 Button driver
- surface3-wmi: Simplify resource management
- Replace acpi_bus_get_device()
- Reinstate platform dependency
platform/x86/intel-uncore-freq:
- Split common and enumeration part
platform/x86/intel/uncore-freq:
- Display uncore current frequency
- Use sysfs API to create attributes
- Move to uncore-frequency folder
selftests:
- sdsi: test sysfs setup
serial-multi-instantiate:
- Add SPI support
- Reorganize I2C functions
spi:
- Add API to count spi acpi resources
- Support selection of the index of the ACPI Spi Resource before alloc
- Create helper API to lookup ACPI info for spi device
- Make spi_alloc_device and spi_add_device public again
surface:
- surface3_power: Fix battery readings on batteries without a serial number
think-lmi:
- Certificate authentication support
thinkpad_acpi:
- consistently check fan_get_status return.
- Don't use test_bit on an integer
- Fix compiler warning about uninitialized err variable
- clean up dytc profile convert
- Add PSC mode support
- Add dual fan probe
- Add dual-fan quirk for T15g (2nd gen)
- Fix incorrect use of platform profile on AMD platforms
- Add quirk for ThinkPads without a fan
tools arch x86:
- Add Intel SDSi provisiong tool
touchscreen_dmi:
- Add info for the RWC NANOTE P8 AY07J 2-in-1
x86-android-tablets:
- Depend on EFI and SPI
- Lenovo Yoga Tablet 2 830/1050 sound support
- Workaround Lenovo Yoga Tablet 2 830/1050 poweroff hang
- Add Lenovo Yoga Tablet 2 830 / 1050 data
- Fix EBUSY error when requesting IOAPIC IRQs
- Minor charger / fuel-gauge improvements
- Add Nextbook Ares 8 data
- Add IRQ to Asus ME176C accelerometer info
- Add lid-switch gpio-keys pdev to Asus ME176C + TF103C
- Add x86_android_tablet_get_gpiod() helper
- Add Asus ME176C/TF103C charger and fuelgauge props
- Add battery swnode support
- Trivial typo fix for MODULE_AUTHOR
- Fix the buttons on CZC P10T tablet
- Constify the gpiod_lookup_tables arrays
- Add an init() callback to struct x86_dev_info
- Add support for disabling ACPI _AEI handlers
- Correct crystal_cove_charger module name
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Merge tag 'platform-drivers-x86-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"New drivers:
- AMD Host System Management Port (HSMP)
- Intel Software Defined Silicon
Removed drivers (functionality folded into other drivers):
- intel_cht_int33fe_microb
- surface3_button
amd-pmc:
- s2idle bug-fixes
- Support for AMD Spill to DRAM STB feature
hp-wmi:
- Fix SW_TABLET_MODE detection method (and other fixes)
- Support omen thermal profile policy v1
serial-multi-instantiate:
- Add SPI device support
- Add support for CS35L41 amplifiers used in new laptops
think-lmi:
- syfs-class-firmware-attributes Certificate authentication support
thinkpad_acpi:
- Fixes + quirks
- Add platform_profile support on AMD based ThinkPads
x86-android-tablets:
- Improve Asus ME176C / TF103C support
- Support Nextbook Ares 8, Lenovo Tab 2 830 and 1050 tablets
Lots of various other small fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (60 commits)
platform/x86: think-lmi: Certificate authentication support
Documentation: syfs-class-firmware-attributes: Lenovo Certificate support
platform/x86: amd-pmc: Only report STB errors when STB enabled
platform/x86: amd-pmc: Drop CPU QoS workaround
platform/x86: amd-pmc: Output error codes in messages
platform/x86: amd-pmc: Move to later in the suspend process
ACPI / x86: Add support for LPS0 callback handler
platform/x86: thinkpad_acpi: consistently check fan_get_status return.
platform/x86: hp-wmi: support omen thermal profile policy v1
platform/x86: hp-wmi: Changing bios_args.data to be dynamically allocated
platform/x86: hp-wmi: Fix 0x05 error code reported by several WMI calls
platform/x86: hp-wmi: Fix SW_TABLET_MODE detection method
platform/x86: hp-wmi: Fix hp_wmi_read_int() reporting error (0x05)
platform/x86: amd-pmc: Validate entry into the deepest state on resume
platform/x86: thinkpad_acpi: Don't use test_bit on an integer
platform/x86: thinkpad_acpi: Fix compiler warning about uninitialized err variable
platform/x86: thinkpad_acpi: clean up dytc profile convert
platform/x86: x86-android-tablets: Depend on EFI and SPI
platform/x86: amd-pmc: uninitialized variable in amd_pmc_s2d_init()
platform/x86: intel-uncore-freq: fix uncore_freq_common_init() error codes
...
Linus pointed out the benefits of C99 some years ago, especially variable
declarations in loops [1]. At that time, we were not ready for the
migration due to old compilers.
Recently, Jakob Koschel reported a bug in list_for_each_entry(), which
leaks the invalid pointer out of the loop [2]. In the discussion, we
agreed that the time had come. Now that GCC 5.1 is the minimum compiler
version, there is nothing to prevent us from going to -std=gnu99, or even
straight to -std=gnu11.
Discussions for a better list iterator implementation are ongoing, but
this patch set must land first.
[1] https://lore.kernel.org/all/CAHk-=wgr12JkKmRd21qh-se-_Gs69kbPgR9x4C+Es-yJV2GLkA@mail.gmail.com/
[2] https://lore.kernel.org/lkml/86C4CE7D-6D93-456B-AA82-F8ADEACA40B7@gmail.com/
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Merge tag 'kbuild-gnu11-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild update for C11 language base from Masahiro Yamada:
"Kbuild -std=gnu11 updates for v5.18
Linus pointed out the benefits of C99 some years ago, especially
variable declarations in loops [1]. At that time, we were not ready
for the migration due to old compilers.
Recently, Jakob Koschel reported a bug in list_for_each_entry(), which
leaks the invalid pointer out of the loop [2]. In the discussion, we
agreed that the time had come. Now that GCC 5.1 is the minimum
compiler version, there is nothing to prevent us from going to
-std=gnu99, or even straight to -std=gnu11.
Discussions for a better list iterator implementation are ongoing, but
this patch set must land first"
[1] https://lore.kernel.org/all/CAHk-=wgr12JkKmRd21qh-se-_Gs69kbPgR9x4C+Es-yJV2GLkA@mail.gmail.com/
[2] https://lore.kernel.org/lkml/86C4CE7D-6D93-456B-AA82-F8ADEACA40B7@gmail.com/
* tag 'kbuild-gnu11-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
Kbuild: use -std=gnu11 for KBUILD_USERCFLAGS
Kbuild: move to -std=gnu11
Kbuild: use -Wdeclaration-after-statement
Kbuild: add -Wno-shift-negative-value where -Wextra is used
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Merge yet more updates from Andrew Morton:
"This is the material which was staged after willystuff in linux-next.
Subsystems affected by this patch series: mm (debug, selftests,
pagecache, thp, rmap, migration, kasan, hugetlb, pagemap, madvise),
and selftests"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (113 commits)
selftests: kselftest framework: provide "finished" helper
mm: madvise: MADV_DONTNEED_LOCKED
mm: fix race between MADV_FREE reclaim and blkdev direct IO read
mm: generalize ARCH_HAS_FILTER_PGPROT
mm: unmap_mapping_range_tree() with i_mmap_rwsem shared
mm: warn on deleting redirtied only if accounted
mm/huge_memory: remove stale locking logic from __split_huge_pmd()
mm/huge_memory: remove stale page_trans_huge_mapcount()
mm/swapfile: remove stale reuse_swap_page()
mm/khugepaged: remove reuse_swap_page() usage
mm/huge_memory: streamline COW logic in do_huge_pmd_wp_page()
mm: streamline COW logic in do_swap_page()
mm: slightly clarify KSM logic in do_swap_page()
mm: optimize do_wp_page() for fresh pages in local LRU pagevecs
mm: optimize do_wp_page() for exclusive pages in the swapcache
mm/huge_memory: make is_transparent_hugepage() static
userfaultfd/selftests: enable hugetlb remap and remove event testing
selftests/vm: add hugetlb madvise MADV_DONTNEED MADV_REMOVE test
mm: enable MADV_DONTNEED for hugetlb mappings
kasan: disable LOCKDEP when printing reports
...
* Support for Sv57-based virtual memory.
* Various improvements for the MicroChip PolarFire SOC and the
associated Icicle dev board, which should allow upstream kernels to
boot without any additional modifications.
* An improved memmove() implementation.
* Support for the new Ssconfpmf and SBI PMU extensions, which allows for
a much more useful perf implementation on RISC-V systems.
* Support for restartable sequences.
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Merge tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for Sv57-based virtual memory.
- Various improvements for the MicroChip PolarFire SOC and the
associated Icicle dev board, which should allow upstream kernels to
boot without any additional modifications.
- An improved memmove() implementation.
- Support for the new Ssconfpmf and SBI PMU extensions, which allows
for a much more useful perf implementation on RISC-V systems.
- Support for restartable sequences.
* tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (36 commits)
rseq/selftests: Add support for RISC-V
RISC-V: Add support for restartable sequence
MAINTAINERS: Add entry for RISC-V PMU drivers
Documentation: riscv: Remove the old documentation
RISC-V: Add sscofpmf extension support
RISC-V: Add perf platform driver based on SBI PMU extension
RISC-V: Add RISC-V SBI PMU extension definitions
RISC-V: Add a simple platform driver for RISC-V legacy perf
RISC-V: Add a perf core library for pmu drivers
RISC-V: Add CSR encodings for all HPMCOUNTERS
RISC-V: Remove the current perf implementation
RISC-V: Improve /proc/cpuinfo output for ISA extensions
RISC-V: Do no continue isa string parsing without correct XLEN
RISC-V: Implement multi-letter ISA extension probing framework
RISC-V: Extract multi-letter extension names from "riscv, isa"
RISC-V: Minimal parser for "riscv, isa" strings
RISC-V: Correctly print supported extensions
riscv: Fixed misaligned memory access. Fixed pointer comparison.
MAINTAINERS: update riscv/microchip entry
riscv: dts: microchip: add new peripherals to icicle kit device tree
...
- Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.
- Add support for livepatch to 32-bit.
- Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.
- Merge vdso64 and vdso32 into a single directory.
- Fix build errors with newer binutils.
- Add support for UADDR64 relocations, which are emitted by some toolchains. This allows
powerpc to build with the latest lld.
- Fix (another) potential userspace r13 corruption in transactional memory handling.
- Cleanups of function descriptor handling & related fixes to LKDTM.
Thanks to: Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh Kumar K.V, Anton
Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chen
Jingwen, Christophe JAILLET, Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel
Henrique Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu Hua, Haren
Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason Wang, Jeremy Kerr, Joachim
Wiberg, Jordan Niethe, Julia Lawall, Kajol Jain, Kees Cook, Laurent Dufour, Madhavan
Srinivasan, Mamatha Inamdar, Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal
Suchanek, Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Nour-eddine
Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy Dunlap, Ritesh Harjani, Rohan
McLure, Russell Currey, Sachin Sant, Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain,
Thierry Reding, Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean, Wedson
Almeida Filho, YueHaibing.
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Merge tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Livepatch support for 32-bit is probably the standout new feature,
otherwise mostly just lots of bits and pieces all over the board.
There's a series of commits cleaning up function descriptor handling,
which touches a few other arches as well as LKDTM. It has acks from
Arnd, Kees and Helge.
Summary:
- Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.
- Add support for livepatch to 32-bit.
- Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.
- Merge vdso64 and vdso32 into a single directory.
- Fix build errors with newer binutils.
- Add support for UADDR64 relocations, which are emitted by some
toolchains. This allows powerpc to build with the latest lld.
- Fix (another) potential userspace r13 corruption in transactional
memory handling.
- Cleanups of function descriptor handling & related fixes to LKDTM.
Thanks to Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh
Kumar K.V, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar
Chowdhury, Cédric Le Goater, Chen Jingwen, Christophe JAILLET,
Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel Henrique
Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu
Hua, Haren Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason
Wang, Jeremy Kerr, Joachim Wiberg, Jordan Niethe, Julia Lawall, Kajol
Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mamatha Inamdar,
Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal Suchanek,
Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin,
Nour-eddine Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy
Dunlap, Ritesh Harjani, Rohan McLure, Russell Currey, Sachin Sant,
Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain, Thierry Reding,
Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean,
Wedson Almeida Filho, and YueHaibing"
* tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
powerpc/pseries: Fix use after free in remove_phb_dynamic()
powerpc/time: improve decrementer clockevent processing
powerpc/time: Fix KVM host re-arming a timer beyond decrementer range
powerpc/tm: Fix more userspace r13 corruption
powerpc/xive: fix return value of __setup handler
powerpc/64: Add UADDR64 relocation support
powerpc: 8xx: fix a return value error in mpc8xx_pic_init
powerpc/ps3: remove unneeded semicolons
powerpc/64: Force inlining of prevent_user_access() and set_kuap()
powerpc/bitops: Force inlining of fls()
powerpc: declare unmodified attribute_group usages const
powerpc/spufs: Fix build warning when CONFIG_PROC_FS=n
powerpc/secvar: fix refcount leak in format_show()
powerpc/64e: Tie PPC_BOOK3E_64 to PPC_FSL_BOOK3E
powerpc: Move C prototypes out of asm-prototypes.h
powerpc/kexec: Declare kexec_paca static
powerpc/smp: Declare current_set static
powerpc: Cleanup asm-prototypes.c
powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S
powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
...
If CONFIG_RANDOM_TRUST_CPU is set, the RNG initializes using RDRAND.
But, the user can disable (or enable) this behavior by setting
`random.trust_cpu=0/1` on the kernel command line. This allows system
builders to do reasonable things while avoiding howls from tinfoil
hatters. (Or vice versa.)
CONFIG_RANDOM_TRUST_BOOTLOADER is basically the same thing, but regards
the seed passed via EFI or device tree, which might come from RDRAND or
a TPM or somewhere else. In order to allow distros to more easily enable
this while avoiding those same howls (or vice versa), this commit adds
the corresponding `random.trust_bootloader=0/1` toggle.
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Graham Christensen <graham@grahamc.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Link: https://github.com/NixOS/nixpkgs/pull/165355
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Add a general purpose helper to deep dive into dma_fence_chain/dma_fence_array
structures and iterate over all the fences in them.
This is useful when we need to flatten out all fences in those structures.
v2: some selftests cleanup, improved function naming and documentation
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220311110244.1245-1-christian.koenig@amd.com
Including:
- IOMMU Core changes:
- Removal of aux domain related code as it is basically dead
and will be replaced by iommu-fd framework
- Split of iommu_ops to carry domain-specific call-backs
separatly
- Cleanup to remove useless ops->capable implementations
- Improve 32-bit free space estimate in iova allocator
- Intel VT-d updates:
- Various cleanups of the driver
- Support for ATS of SoC-integrated devices listed in
ACPI/SATC table
- ARM SMMU updates:
- Fix SMMUv3 soft lockup during continuous stream of events
- Fix error path for Qualcomm SMMU probe()
- Rework SMMU IRQ setup to prepare the ground for PMU support
- Minor cleanups and refactoring
- AMD IOMMU driver:
- Some minor cleanups and error-handling fixes
- Rockchip IOMMU driver:
- Use standard driver registration
- MSM IOMMU driver:
- Minor cleanup and change to standard driver registration
- Mediatek IOMMU driver:
- Fixes for IOTLB flushing logic
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Merge tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- IOMMU Core changes:
- Removal of aux domain related code as it is basically dead and
will be replaced by iommu-fd framework
- Split of iommu_ops to carry domain-specific call-backs separatly
- Cleanup to remove useless ops->capable implementations
- Improve 32-bit free space estimate in iova allocator
- Intel VT-d updates:
- Various cleanups of the driver
- Support for ATS of SoC-integrated devices listed in ACPI/SATC
table
- ARM SMMU updates:
- Fix SMMUv3 soft lockup during continuous stream of events
- Fix error path for Qualcomm SMMU probe()
- Rework SMMU IRQ setup to prepare the ground for PMU support
- Minor cleanups and refactoring
- AMD IOMMU driver:
- Some minor cleanups and error-handling fixes
- Rockchip IOMMU driver:
- Use standard driver registration
- MSM IOMMU driver:
- Minor cleanup and change to standard driver registration
- Mediatek IOMMU driver:
- Fixes for IOTLB flushing logic
* tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (47 commits)
iommu/amd: Improve amd_iommu_v2_exit()
iommu/amd: Remove unused struct fault.devid
iommu/amd: Clean up function declarations
iommu/amd: Call memunmap in error path
iommu/arm-smmu: Account for PMU interrupts
iommu/vt-d: Enable ATS for the devices in SATC table
iommu/vt-d: Remove unused function intel_svm_capable()
iommu/vt-d: Add missing "__init" for rmrr_sanity_check()
iommu/vt-d: Move intel_iommu_ops to header file
iommu/vt-d: Fix indentation of goto labels
iommu/vt-d: Remove unnecessary prototypes
iommu/vt-d: Remove unnecessary includes
iommu/vt-d: Remove DEFER_DEVICE_DOMAIN_INFO
iommu/vt-d: Remove domain and devinfo mempool
iommu/vt-d: Remove iova_cache_get/put()
iommu/vt-d: Remove finding domain in dmar_insert_one_dev_info()
iommu/vt-d: Remove intel_iommu::domains
iommu/mediatek: Always tlb_flush_all when each PM resume
iommu/mediatek: Add tlb_lock in tlb_flush_all
iommu/mediatek: Remove the power status checking in tlb flush all
...
This series consists of the usual driver updates (qla2xxx, pm8001,
libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
and bug fixes. The high blast radius core update is the removal of
write same, which affects block and several non-SCSI devices. The
other big change, which is more local, is the removal of the SCSI
pointer.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series consists of the usual driver updates (qla2xxx, pm8001,
libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
and bug fixes.
The high blast radius core update is the removal of write same, which
affects block and several non-SCSI devices. The other big change,
which is more local, is the removal of the SCSI pointer"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (281 commits)
scsi: scsi_ioctl: Drop needless assignment in sg_io()
scsi: bsg: Drop needless assignment in scsi_bsg_sg_io_fn()
scsi: lpfc: Copyright updates for 14.2.0.0 patches
scsi: lpfc: Update lpfc version to 14.2.0.0
scsi: lpfc: SLI path split: Refactor BSG paths
scsi: lpfc: SLI path split: Refactor Abort paths
scsi: lpfc: SLI path split: Refactor SCSI paths
scsi: lpfc: SLI path split: Refactor CT paths
scsi: lpfc: SLI path split: Refactor misc ELS paths
scsi: lpfc: SLI path split: Refactor VMID paths
scsi: lpfc: SLI path split: Refactor FDISC paths
scsi: lpfc: SLI path split: Refactor LS_RJT paths
scsi: lpfc: SLI path split: Refactor LS_ACC paths
scsi: lpfc: SLI path split: Refactor the RSCN/SCR/RDF/EDC/FARPR paths
scsi: lpfc: SLI path split: Refactor PLOGI/PRLI/ADISC/LOGO paths
scsi: lpfc: SLI path split: Refactor base ELS paths and the FLOGI path
scsi: lpfc: SLI path split: Introduce lpfc_prep_wqe
scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4
scsi: lpfc: SLI path split: Refactor lpfc_iocbq
scsi: lpfc: Use kcalloc()
...
Consumer examples in the bindings of resource providers are trivial,
useless and duplication of code. Remove the example code for consumer
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220316130858.93455-2-krzysztof.kozlowski@canonical.com
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
'clocks' in the example is not parsable with the 0 phandle value
because the number of #clock-cells is unknown in the previous entry.
Solve this by adding the clock provider node. Only 'cpg_clocks' is
needed as the examples are built with fixups which can be used to
identify phandles.
This is in preparation to support schema validation on .dtb files.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220301190400.1644150-1-robh@kernel.org
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Update KASAN documentation:
- Bump Clang version requirement for HW_TAGS as ARM64_MTE depends on
AS_HAS_LSE_ATOMICS as of commit 2decad92f4 ("arm64: mte: Ensure
TIF_MTE_ASYNC_FAULT is set atomically"), which requires Clang 12.
- Add description of the new kasan.vmalloc command line flag.
- Mention that SW_TAGS and HW_TAGS modes now support vmalloc tagging.
- Explicitly say that the "Shadow memory" section is only applicable to
software KASAN modes.
- Mention that shadow-based KASAN_VMALLOC is supported on arm64.
Link: https://lkml.kernel.org/r/a61189128fa3f9fbcfd9884ff653d401864b8e74.1643047180.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When viewing page owner information, we may want to cull blocks of
information with our own rules. So it is important to enhance culling
function to provide the support for customizing culling rules.
Therefore, following adjustments are made:
1. Add --cull option to support the culling of blocks of information
with user-defined culling rules.
./page_owner_sort <input> <output> --cull=<rules>
./page_owner_sort <input> <output> --cull <rules>
<rules> is a single argument in the form of a comma-separated list to
specify individual culling rules, by the sequence of keys k1,k2, ....
Mixed use of abbreviated and complete-form of keys is allowed.
For reference, please see the document(Documentation/vm/page_owner.rst).
Now, assuming two blocks in the input file are as follows:
Page allocated via order 0, mask xxxx, pid 1, tgid 1 (task_name_demo)
PFN xxxx
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
Page allocated via order 0, mask xxxx, pid 32, tgid 32 (task_name_demo)
PFN xxxx
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
If we want to cull the blocks by stacktrace and task command name, we can
use this command:
./page_owner_sort <input> <output> --cull=stacktrace,name
The output would be like:
2 times, 2 pages, task_comm_name: task_name_demo
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
As we can see, these two blocks are culled successfully, for they share
the same pid and task command name.
However, if we want to cull the blocks by pid, stacktrace and task command
name, we can this command:
./page_owner_sort <input> <output> --cull=stacktrace,name,pid
The output would be like:
1 times, 1 pages, PID 1, task_comm_name: task_name_demo
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
1 times, 1 pages, PID 32, task_comm_name: task_name_demo
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
As we can see, these two blocks are failed to cull, for their PIDs are
different.
2. Add explanations of --cull options to the document.
This work is coauthored by
Yixuan Cao
Shenghong Han
Yinan Zhang
Chongxi Zhao
Yuhong Feng
Link: https://lkml.kernel.org/r/20220312145834.624-1-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Shenghong Han <hanshenghong2019@email.szu.edu.cn>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>
Cc: Yuhong Feng <yuhongf@szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When viewing page owner information, we may also need to select the blocks
by PID, TGID or task command name, which helps to get more accurate page
allocation information as needed.
Therefore, following adjustments are made:
1. Add three new options, including --pid, --tgid and --name, to support
the selection of information blocks by a specific pid, tgid and task
command name. In addtion, multiple options are allowed to be used at
the same time.
./page_owner_sort [input] [output] --pid <PID>
./page_owner_sort [input] [output] --tgid <TGID>
./page_owner_sort [input] [output] --name <TASK_COMMAND_NAME>
Assuming a scenario when a multi-threaded program, ./demo (PID =
5280), is running, and ./demo creates a child process (PID = 5281).
$ps
PID TTY TIME CMD
5215 pts/0 00:00:00 bash
5280 pts/0 00:00:00 ./demo
5281 pts/0 00:00:00 ./demo
5282 pts/0 00:00:00 ps
It would be better to filter out the records with tgid=5280 and the
task name "demo" when debugging the parent process, and the specific
usage is
./page_owner_sort [input] [output] --tgid 5280 --name demo
2. Add explanations of three new options, including --pid, --tgid and
--name, to the document.
This work is coauthored by
Shenghong Han <hanshenghong2019@email.szu.edu.cn>,
Yixuan Cao <caoyixuan2019@email.szu.edu.cn>,
Yinan Zhang <zhangyinan2019@email.szu.edu.cn>,
Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>,
Yuhong Feng <yuhongf@szu.edu.cn>.
Link: https://lkml.kernel.org/r/1646835223-7584-1-git-send-email-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When viewing page owner information, we may also need to the block to be
sorted by task command name. Therefore, the following adjustments are
made:
1. Add a member variable to record task command name of block.
2. Add a new -n option to sort the information of blocks by task command
name.
3. Add -n option explanation in the document.
Link: https://lkml.kernel.org/r/20220306030640.43054-2-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: <zhaochongxi2019@email.szu.edu.cn>
Cc: <hanshenghong2019@email.szu.edu.cn>
Cc: <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the "page owner" information is read, the information sorted
by TGID is expected.
As a result, the following adjustments have been made:
1. Add a new -P option to sort the information of blocks by TGID in
ascending order.
2. Adjust the order of member variables in block_list strust to avoid
one 4 byte hole.
3. Add -P option explanation in the document.
Link: https://lkml.kernel.org/r/20220301151438.166118-3-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Two adjustments are made:
1. Correct a grammatical error: replace the "what" in "Do the job what
you want to debug" with "that".
2. Replace "has not been" with "has been" in the description of the -f
option: According to Commit b1c9ba071e7d ("tools/vm/page_owner_sort.c:
fix the instructions for use"), the description of the "-f" option is
"Filter out the information of blocks whose memory has been released."
Link: https://lkml.kernel.org/r/20220301151438.166118-1-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Add a driver for 'struct cxl_memdev' objects responsible for CXL.mem
operation as distinct from 'cxl_pci' mailbox operations. Its primary
responsibility is enumerating an endpoint 'struct cxl_port' and all the
'struct cxl_port' instances between an endpoint and the CXL platform
root.
- Add a driver for 'struct cxl_port' objects responsible for enumerating
and operating all Host-managed Device Memory (HDM) decoder resources
between the platform-level CXL memory description, all intervening host
bridges / switches, and the HDM resources in endpoints.
- Update the cxl_pci driver to validate CXL.mem operation precursors to
HDM decoder operation like ready-polling, and legacy CXL 1.1 DVSEC
based CXL.mem configuration.
- Add basic lockdep coverage for usage of device_lock() on CXL subsystem
objects similar to what exists for LIBNVDIMM. Include a compile-time
switch for which subsystem to validate at run-time.
- Update cxl_test to emulate a one level switch topology.
- Document a "Theory of Operation" for the subsystem.
- Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs
- Include miscellaneous fixes for spec / QEMU CXL emulation
compatibility and static analysis reports.
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Merge tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
"This development cycle extends the subsystem to discover CXL resources
throughout a CXL/PCIe switch topology and respond to hot add/remove
events anywhere in that topology.
This is more foundational infrastructure in preparation for dynamic
memory region provisioning support. Recall that CXL memory regions, as
the new "Theory of Operation" section of
Documentation/driver-api/cxl/memory-devices.rst describes, bring
storage volume striping semantics to memory.
The hot add/remove behavior is validated with extensions to the
cxl_test unit test environment and this test in the cxl-cli test
suite:
https://github.com/pmem/ndctl/blob/djbw/for-74/cxl/test/cxl-topology.sh
Summary:
- Add a driver for 'struct cxl_memdev' objects responsible for
CXL.mem operation as distinct from 'cxl_pci' mailbox operations.
Its primary responsibility is enumerating an endpoint 'struct
cxl_port' and all the 'struct cxl_port' instances between an
endpoint and the CXL platform root.
- Add a driver for 'struct cxl_port' objects responsible for
enumerating and operating all Host-managed Device Memory (HDM)
decoder resources between the platform-level CXL memory
description, all intervening host bridges / switches, and the HDM
resources in endpoints.
- Update the cxl_pci driver to validate CXL.mem operation precursors
to HDM decoder operation like ready-polling, and legacy CXL 1.1
DVSEC based CXL.mem configuration.
- Add basic lockdep coverage for usage of device_lock() on CXL
subsystem objects similar to what exists for LIBNVDIMM. Include a
compile-time switch for which subsystem to validate at run-time.
- Update cxl_test to emulate a one level switch topology.
- Document a "Theory of Operation" for the subsystem.
- Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs
- Include miscellaneous fixes for spec / QEMU CXL emulation
compatibility and static analysis reports"
* tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (48 commits)
cxl/core/port: Fix NULL but dereferenced coccicheck error
cxl/port: Hold port reference until decoder release
cxl/port: Fix endpoint refcount leak
cxl/core: Fix cxl_device_lock() class detection
cxl/core/port: Fix unregister_port() lock assertion
cxl/regs: Fix size of CXL Capability Header Register
cxl/core/port: Handle invalid decoders
cxl/core/port: Fix / relax decoder target enumeration
tools/testing/cxl: Add a physical_node link
tools/testing/cxl: Enumerate mock decoders
tools/testing/cxl: Mock one level of switches
tools/testing/cxl: Fix root port to host bridge assignment
tools/testing/cxl: Mock dvsec_ranges()
cxl/core/port: Add endpoint decoders
cxl/core: Move target_list out of base decoder attributes
cxl/mem: Add the cxl_mem driver
cxl/core/port: Add switch port enumeration
cxl/memdev: Add numa_node attribute
cxl/pci: Emit device serial number
cxl/pci: Implement wait for media active
...
qcom,gcc-other Documentation lacks a '|' for the description. This cause
dt_binding_check to incorrectly parse "See also:" as a new value.
Add the missing '|' to correctly parse the description.
Fixes: a03965ed13 ("dt-bindings: clock: split qcom,gcc.yaml to common and specific schema")
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20220323194248.26970-1-ansuelsmth@gmail.com
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
dma-buf:
- rename dma-buf-map to iosys-map
core:
- move buddy allocator to core
- add pci/platform init macros
- improve EDID parser deep color handling
- EDID timing type 7 support
- add GPD Win Max quirk
- add yes/no helpers to string_helpers
- flatten syncobj chains
- add nomodeset support to lots of drivers
- improve fb-helper clipping support
- add default property value interface
fbdev:
- improve fbdev ops speed
ttm:
- add a backpointer from ttm bo->ttm resource
dp:
- move displayport headers
- add a dp helper module
bridge:
- anx7625 atomic support, HDCP support
panel:
- split out panel-lvds and lvds bindings
- find panels in OF subnodes
privacy:
- add chromeos privacy screen support
fb:
- hot unplug fw fb on forced removal
simpledrm:
- request region instead of marking ioresource busy
- add panel oreintation property
udmabuf:
- fix oops with 0 pages
amdgpu:
- power management code cleanup
- Enable freesync video mode by default
- RAS code cleanup
- Improve VRAM access for debug using SDMA
- SR-IOV rework special register access and fixes
- profiling power state request ioctl
- expose IP discovery via sysfs
- Cyan skillfish updates
- GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
- expose benchmark tests via debugfs
- add module param to disable XGMI for testing
- GPU reset debugfs register dumping support
amdkfd:
- CRIU support
- SDMA queue fixes
radeon:
- UVD suspend fix
- iMac backlight fix
i915:
- minimal parallel submission for execlists
- DG2-G12 subplatform added
- DG2 programming workarounds
- DG2 accelerated migration support
- flat CCS and CCS engine support for XeHP
- initial small BAR support
- drop fake LMEM support
- ADL-N PCH support
- bigjoiner updates
- introduce VMA resources and async unbinding
- register definitions cleanups
- multi-FBC refactoring
- DG1 OPROM over SPI support
- ADL-N platform enabling
- opregion mailbox #5 support
- DP MST ESI improvements
- drm device based logging
- async flip optimisation for DG2
- CPU arch abstraction fixes
- improve GuC ADS init to work on aarch64
- tweak TTM LRU priority hint
- GuC 69.0.3 support
- remove short term execbuf pins
nouveau:
- higher DP/eDP bitrates
- backlight fixes
msm:
- dpu + dp support for sc8180x
- dp support for sm8350
- dpu + dsi support for qcm2290
- 10nm dsi phy tuning support
- bridge support for dp encoder
- gpu support for additional 7c3 SKUs
ingenic:
- HDMI support for JZ4780
- aux channel EDID support
ast:
- AST2600 support
- add wide screen support
- create DP/DVI connectors
omapdrm:
- fix implicit dma_buf fencing
vc4:
- add CSC + full range support
- better display firmware handoff
panfrost:
- add initial dual-core GPU support
stm:
- new revision support
- fb handover support
mediatek:
- transfer display binding document to yaml format.
- add mt8195 display device binding.
- allow commands to be sent during video mode.
- add wait_for_event for crtc disable by cmdq.
tegra:
- YUV format support
rcar-du:
- LVDS support for M3-W+ (R8A77961)
exynos:
- BGR pixel format for FIMD device
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Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Lots of work all over, Intel improving DG2 support, amdkfd CRIU
support, msm new hw support, and faster fbdev support.
dma-buf:
- rename dma-buf-map to iosys-map
core:
- move buddy allocator to core
- add pci/platform init macros
- improve EDID parser deep color handling
- EDID timing type 7 support
- add GPD Win Max quirk
- add yes/no helpers to string_helpers
- flatten syncobj chains
- add nomodeset support to lots of drivers
- improve fb-helper clipping support
- add default property value interface
fbdev:
- improve fbdev ops speed
ttm:
- add a backpointer from ttm bo->ttm resource
dp:
- move displayport headers
- add a dp helper module
bridge:
- anx7625 atomic support, HDCP support
panel:
- split out panel-lvds and lvds bindings
- find panels in OF subnodes
privacy:
- add chromeos privacy screen support
fb:
- hot unplug fw fb on forced removal
simpledrm:
- request region instead of marking ioresource busy
- add panel oreintation property
udmabuf:
- fix oops with 0 pages
amdgpu:
- power management code cleanup
- Enable freesync video mode by default
- RAS code cleanup
- Improve VRAM access for debug using SDMA
- SR-IOV rework special register access and fixes
- profiling power state request ioctl
- expose IP discovery via sysfs
- Cyan skillfish updates
- GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
- expose benchmark tests via debugfs
- add module param to disable XGMI for testing
- GPU reset debugfs register dumping support
amdkfd:
- CRIU support
- SDMA queue fixes
radeon:
- UVD suspend fix
- iMac backlight fix
i915:
- minimal parallel submission for execlists
- DG2-G12 subplatform added
- DG2 programming workarounds
- DG2 accelerated migration support
- flat CCS and CCS engine support for XeHP
- initial small BAR support
- drop fake LMEM support
- ADL-N PCH support
- bigjoiner updates
- introduce VMA resources and async unbinding
- register definitions cleanups
- multi-FBC refactoring
- DG1 OPROM over SPI support
- ADL-N platform enabling
- opregion mailbox #5 support
- DP MST ESI improvements
- drm device based logging
- async flip optimisation for DG2
- CPU arch abstraction fixes
- improve GuC ADS init to work on aarch64
- tweak TTM LRU priority hint
- GuC 69.0.3 support
- remove short term execbuf pins
nouveau:
- higher DP/eDP bitrates
- backlight fixes
msm:
- dpu + dp support for sc8180x
- dp support for sm8350
- dpu + dsi support for qcm2290
- 10nm dsi phy tuning support
- bridge support for dp encoder
- gpu support for additional 7c3 SKUs
ingenic:
- HDMI support for JZ4780
- aux channel EDID support
ast:
- AST2600 support
- add wide screen support
- create DP/DVI connectors
omapdrm:
- fix implicit dma_buf fencing
vc4:
- add CSC + full range support
- better display firmware handoff
panfrost:
- add initial dual-core GPU support
stm:
- new revision support
- fb handover support
mediatek:
- transfer display binding document to yaml format.
- add mt8195 display device binding.
- allow commands to be sent during video mode.
- add wait_for_event for crtc disable by cmdq.
tegra:
- YUV format support
rcar-du:
- LVDS support for M3-W+ (R8A77961)
exynos:
- BGR pixel format for FIMD device"
* tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits)
drm/i915/display: Do not re-enable PSR after it was marked as not reliable
drm/i915/display: Fix HPD short pulse handling for eDP
drm/amdgpu: Use drm_mode_copy()
drm/radeon: Use drm_mode_copy()
drm/amdgpu: Use ternary operator in `vcn_v1_0_start()`
drm/amdgpu: Remove pointless on stack mode copies
drm/amd/pm: fix indenting in __smu_cmn_reg_print_error()
drm/amdgpu/dc: fix typos in comments
drm/amdgpu: fix typos in comments
drm/amd/pm: fix typos in comments
drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations.
drm/amdkfd: evict svm bo worker handle error
drm/amdgpu/vcn: fix vcn ring test failure in igt reload test
drm/amdgpu: only allow secure submission on rings which support that
drm/amdgpu: fixed the warnings reported by kernel test robot
drm/amd/display: 3.2.177
drm/amd/display: [FW Promotion] Release 0.0.108.0
drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2
drm/amd/display: Wait for hubp read line for Pollock
...
The example needs updating to match the to be added yaml bindings for
the gfx node.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220304000311.970267-2-joel@jms.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Merge more updates from Andrew Morton:
"Various misc subsystems, before getting into the post-linux-next
material.
41 patches.
Subsystems affected by this patch series: procfs, misc, core-kernel,
lib, checkpatch, init, pipe, minix, fat, cgroups, kexec, kdump,
taskstats, panic, kcov, resource, and ubsan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (41 commits)
Revert "ubsan, kcsan: Don't combine sanitizer with kcov on clang"
kernel/resource: fix kfree() of bootmem memory again
kcov: properly handle subsequent mmap calls
kcov: split ioctl handling into locked and unlocked parts
panic: move panic_print before kmsg dumpers
panic: add option to dump all CPUs backtraces in panic_print
docs: sysctl/kernel: add missing bit to panic_print
taskstats: remove unneeded dead assignment
kasan: no need to unset panic_on_warn in end_report()
ubsan: no need to unset panic_on_warn in ubsan_epilogue()
panic: unset panic_on_warn inside panic()
docs: kdump: add scp example to write out the dump file
docs: kdump: update description about sysfs file system support
arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
kexec: make crashk_res, crashk_low_res and crash_notes symbols always visible
cgroup: use irqsave in cgroup_rstat_flush_locked().
fat: use pointer to simple type in put_user()
minix: fix bug when opening a file with O_DIRECT
...
Core
----
- Introduce XDP multi-buffer support, allowing the use of XDP with
jumbo frame MTUs and combination with Rx coalescing offloads (LRO).
- Speed up netns dismantling (5x) and lower the memory cost a little.
Remove unnecessary per-netns sockets. Scope some lists to a netns.
Cut down RCU syncing. Use batch methods. Allow netdev registration
to complete out of order.
- Support distinguishing timestamp types (ingress vs egress) and
maintaining them across packet scrubbing points (e.g. redirect).
- Continue the work of annotating packet drop reasons throughout
the stack.
- Switch netdev error counters from an atomic to dynamically
allocated per-CPU counters.
- Rework a few preempt_disable(), local_irq_save() and busy waiting
sections problematic on PREEMPT_RT.
- Extend the ref_tracker to allow catching use-after-free bugs.
BPF
---
- Introduce "packing allocator" for BPF JIT images. JITed code is
marked read only, and used to be allocated at page granularity.
Custom allocator allows for more efficient memory use, lower
iTLB pressure and prevents identity mapping huge pages from
getting split.
- Make use of BTF type annotations (e.g. __user, __percpu) to enforce
the correct probe read access method, add appropriate helpers.
- Convert the BPF preload to use light skeleton and drop
the user-mode-driver dependency.
- Allow XDP BPF_PROG_RUN test infra to send real packets, enabling
its use as a packet generator.
- Allow local storage memory to be allocated with GFP_KERNEL if called
from a hook allowed to sleep.
- Introduce fprobe (multi kprobe) to speed up mass attachment (arch
bits to come later).
- Add unstable conntrack lookup helpers for BPF by using the BPF
kfunc infra.
- Allow cgroup BPF progs to return custom errors to user space.
- Add support for AF_UNIX iterator batching.
- Allow iterator programs to use sleepable helpers.
- Support JIT of add, and, or, xor and xchg atomic ops on arm64.
- Add BTFGen support to bpftool which allows to use CO-RE in kernels
without BTF info.
- Large number of libbpf API improvements, cleanups and deprecations.
Protocols
---------
- Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev.
- Adjust TSO packet sizes based on min_rtt, allowing very low latency
links (data centers) to always send full-sized TSO super-frames.
- Make IPv6 flow label changes (AKA hash rethink) more configurable,
via sysctl and setsockopt. Distinguish between server and client
behavior.
- VxLAN support to "collect metadata" devices to terminate only
configured VNIs. This is similar to VLAN filtering in the bridge.
- Support inserting IPv6 IOAM information to a fraction of frames.
- Add protocol attribute to IP addresses to allow identifying where
given address comes from (kernel-generated, DHCP etc.)
- Support setting socket and IPv6 options via cmsg on ping6 sockets.
- Reject mis-use of ECN bits in IP headers as part of DSCP/TOS.
Define dscp_t and stop taking ECN bits into account in fib-rules.
- Add support for locked bridge ports (for 802.1X).
- tun: support NAPI for packets received from batched XDP buffs,
doubling the performance in some scenarios.
- IPv6 extension header handling in Open vSwitch.
- Support IPv6 control message load balancing in bonding, prevent
neighbor solicitation and advertisement from using the wrong port.
Support NS/NA monitor selection similar to existing ARP monitor.
- SMC
- improve performance with TCP_CORK and sendfile()
- support auto-corking
- support TCP_NODELAY
- MCTP (Management Component Transport Protocol)
- add user space tag control interface
- I2C binding driver (as specified by DMTF DSP0237)
- Multi-BSSID beacon handling in AP mode for WiFi.
- Bluetooth:
- handle MSFT Monitor Device Event
- add MGMT Adv Monitor Device Found/Lost events
- Multi-Path TCP:
- add support for the SO_SNDTIMEO socket option
- lots of selftest cleanups and improvements
- Increase the max PDU size in CAN ISOTP to 64 kB.
Driver API
----------
- Add HW counters for SW netdevs, a mechanism for devices which
offload packet forwarding to report packet statistics back to
software interfaces such as tunnels.
- Select the default NIC queue count as a fraction of number of
physical CPU cores, instead of hard-coding to 8.
- Expose devlink instance locks to drivers. Allow device layer of
drivers to use that lock directly instead of creating their own
which always runs into ordering issues in devlink callbacks.
- Add header/data split indication to guide user space enabling
of TCP zero-copy Rx.
- Allow configuring completion queue event size.
- Refactor page_pool to enable fragmenting after allocation.
- Add allocation and page reuse statistics to page_pool.
- Improve Multiple Spanning Trees support in the bridge to allow
reuse of topologies across VLANs, saving HW resources in switches.
- DSA (Distributed Switch Architecture):
- replay and offload of host VLAN entries
- offload of static and local FDB entries on LAG interfaces
- FDB isolation and unicast filtering
New hardware / drivers
----------------------
- Ethernet:
- LAN937x T1 PHYs
- Davicom DM9051 SPI NIC driver
- Realtek RTL8367S, RTL8367RB-VB switch and MDIO
- Microchip ksz8563 switches
- Netronome NFP3800 SmartNICs
- Fungible SmartNICs
- MediaTek MT8195 switches
- WiFi:
- mt76: MediaTek mt7916
- mt76: MediaTek mt7921u USB adapters
- brcmfmac: Broadcom BCM43454/6
- Mobile:
- iosm: Intel M.2 7360 WWAN card
Drivers
-------
- Convert many drivers to the new phylink API built for split PCS
designs but also simplifying other cases.
- Intel Ethernet NICs:
- add TTY for GNSS module for E810T device
- improve AF_XDP performance
- GTP-C and GTP-U filter offload
- QinQ VLAN support
- Mellanox Ethernet NICs (mlx5):
- support xdp->data_meta
- multi-buffer XDP
- offload tc push_eth and pop_eth actions
- Netronome Ethernet NICs (nfp):
- flow-independent tc action hardware offload (police / meter)
- AF_XDP
- Other Ethernet NICs:
- at803x: fiber and SFP support
- xgmac: mdio: preamble suppression and custom MDC frequencies
- r8169: enable ASPM L1.2 if system vendor flags it as safe
- macb/gem: ZynqMP SGMII
- hns3: add TX push mode
- dpaa2-eth: software TSO
- lan743x: multi-queue, mdio, SGMII, PTP
- axienet: NAPI and GRO support
- Mellanox Ethernet switches (mlxsw):
- source and dest IP address rewrites
- RJ45 ports
- Marvell Ethernet switches (prestera):
- basic routing offload
- multi-chain TC ACL offload
- NXP embedded Ethernet switches (ocelot & felix):
- PTP over UDP with the ocelot-8021q DSA tagging protocol
- basic QoS classification on Felix DSA switch using dcbnl
- port mirroring for ocelot switches
- Microchip high-speed industrial Ethernet (sparx5):
- offloading of bridge port flooding flags
- PTP Hardware Clock
- Other embedded switches:
- lan966x: PTP Hardward Clock
- qca8k: mdio read/write operations via crafted Ethernet packets
- Qualcomm 802.11ax WiFi (ath11k):
- add LDPC FEC type and 802.11ax High Efficiency data in radiotap
- enable RX PPDU stats in monitor co-exist mode
- Intel WiFi (iwlwifi):
- UHB TAS enablement via BIOS
- band disablement via BIOS
- channel switch offload
- 32 Rx AMPDU sessions in newer devices
- MediaTek WiFi (mt76):
- background radar detection
- thermal management improvements on mt7915
- SAR support for more mt76 platforms
- MBSSID and 6 GHz band on mt7915
- RealTek WiFi:
- rtw89: AP mode
- rtw89: 160 MHz channels and 6 GHz band
- rtw89: hardware scan
- Bluetooth:
- mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS)
- Microchip CAN (mcp251xfd):
- multiple RX-FIFOs and runtime configurable RX/TX rings
- internal PLL, runtime PM handling simplification
- improve chip detection and error handling after wakeup
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"The sprinkling of SPI drivers is because we added a new one and Mark
sent us a SPI driver interface conversion pull request.
Core
----
- Introduce XDP multi-buffer support, allowing the use of XDP with
jumbo frame MTUs and combination with Rx coalescing offloads (LRO).
- Speed up netns dismantling (5x) and lower the memory cost a little.
Remove unnecessary per-netns sockets. Scope some lists to a netns.
Cut down RCU syncing. Use batch methods. Allow netdev registration
to complete out of order.
- Support distinguishing timestamp types (ingress vs egress) and
maintaining them across packet scrubbing points (e.g. redirect).
- Continue the work of annotating packet drop reasons throughout the
stack.
- Switch netdev error counters from an atomic to dynamically
allocated per-CPU counters.
- Rework a few preempt_disable(), local_irq_save() and busy waiting
sections problematic on PREEMPT_RT.
- Extend the ref_tracker to allow catching use-after-free bugs.
BPF
---
- Introduce "packing allocator" for BPF JIT images. JITed code is
marked read only, and used to be allocated at page granularity.
Custom allocator allows for more efficient memory use, lower iTLB
pressure and prevents identity mapping huge pages from getting
split.
- Make use of BTF type annotations (e.g. __user, __percpu) to enforce
the correct probe read access method, add appropriate helpers.
- Convert the BPF preload to use light skeleton and drop the
user-mode-driver dependency.
- Allow XDP BPF_PROG_RUN test infra to send real packets, enabling
its use as a packet generator.
- Allow local storage memory to be allocated with GFP_KERNEL if
called from a hook allowed to sleep.
- Introduce fprobe (multi kprobe) to speed up mass attachment (arch
bits to come later).
- Add unstable conntrack lookup helpers for BPF by using the BPF
kfunc infra.
- Allow cgroup BPF progs to return custom errors to user space.
- Add support for AF_UNIX iterator batching.
- Allow iterator programs to use sleepable helpers.
- Support JIT of add, and, or, xor and xchg atomic ops on arm64.
- Add BTFGen support to bpftool which allows to use CO-RE in kernels
without BTF info.
- Large number of libbpf API improvements, cleanups and deprecations.
Protocols
---------
- Micro-optimize UDPv6 Tx, gaining up to 5% in test on dummy netdev.
- Adjust TSO packet sizes based on min_rtt, allowing very low latency
links (data centers) to always send full-sized TSO super-frames.
- Make IPv6 flow label changes (AKA hash rethink) more configurable,
via sysctl and setsockopt. Distinguish between server and client
behavior.
- VxLAN support to "collect metadata" devices to terminate only
configured VNIs. This is similar to VLAN filtering in the bridge.
- Support inserting IPv6 IOAM information to a fraction of frames.
- Add protocol attribute to IP addresses to allow identifying where
given address comes from (kernel-generated, DHCP etc.)
- Support setting socket and IPv6 options via cmsg on ping6 sockets.
- Reject mis-use of ECN bits in IP headers as part of DSCP/TOS.
Define dscp_t and stop taking ECN bits into account in fib-rules.
- Add support for locked bridge ports (for 802.1X).
- tun: support NAPI for packets received from batched XDP buffs,
doubling the performance in some scenarios.
- IPv6 extension header handling in Open vSwitch.
- Support IPv6 control message load balancing in bonding, prevent
neighbor solicitation and advertisement from using the wrong port.
Support NS/NA monitor selection similar to existing ARP monitor.
- SMC
- improve performance with TCP_CORK and sendfile()
- support auto-corking
- support TCP_NODELAY
- MCTP (Management Component Transport Protocol)
- add user space tag control interface
- I2C binding driver (as specified by DMTF DSP0237)
- Multi-BSSID beacon handling in AP mode for WiFi.
- Bluetooth:
- handle MSFT Monitor Device Event
- add MGMT Adv Monitor Device Found/Lost events
- Multi-Path TCP:
- add support for the SO_SNDTIMEO socket option
- lots of selftest cleanups and improvements
- Increase the max PDU size in CAN ISOTP to 64 kB.
Driver API
----------
- Add HW counters for SW netdevs, a mechanism for devices which
offload packet forwarding to report packet statistics back to
software interfaces such as tunnels.
- Select the default NIC queue count as a fraction of number of
physical CPU cores, instead of hard-coding to 8.
- Expose devlink instance locks to drivers. Allow device layer of
drivers to use that lock directly instead of creating their own
which always runs into ordering issues in devlink callbacks.
- Add header/data split indication to guide user space enabling of
TCP zero-copy Rx.
- Allow configuring completion queue event size.
- Refactor page_pool to enable fragmenting after allocation.
- Add allocation and page reuse statistics to page_pool.
- Improve Multiple Spanning Trees support in the bridge to allow
reuse of topologies across VLANs, saving HW resources in switches.
- DSA (Distributed Switch Architecture):
- replay and offload of host VLAN entries
- offload of static and local FDB entries on LAG interfaces
- FDB isolation and unicast filtering
New hardware / drivers
----------------------
- Ethernet:
- LAN937x T1 PHYs
- Davicom DM9051 SPI NIC driver
- Realtek RTL8367S, RTL8367RB-VB switch and MDIO
- Microchip ksz8563 switches
- Netronome NFP3800 SmartNICs
- Fungible SmartNICs
- MediaTek MT8195 switches
- WiFi:
- mt76: MediaTek mt7916
- mt76: MediaTek mt7921u USB adapters
- brcmfmac: Broadcom BCM43454/6
- Mobile:
- iosm: Intel M.2 7360 WWAN card
Drivers
-------
- Convert many drivers to the new phylink API built for split PCS
designs but also simplifying other cases.
- Intel Ethernet NICs:
- add TTY for GNSS module for E810T device
- improve AF_XDP performance
- GTP-C and GTP-U filter offload
- QinQ VLAN support
- Mellanox Ethernet NICs (mlx5):
- support xdp->data_meta
- multi-buffer XDP
- offload tc push_eth and pop_eth actions
- Netronome Ethernet NICs (nfp):
- flow-independent tc action hardware offload (police / meter)
- AF_XDP
- Other Ethernet NICs:
- at803x: fiber and SFP support
- xgmac: mdio: preamble suppression and custom MDC frequencies
- r8169: enable ASPM L1.2 if system vendor flags it as safe
- macb/gem: ZynqMP SGMII
- hns3: add TX push mode
- dpaa2-eth: software TSO
- lan743x: multi-queue, mdio, SGMII, PTP
- axienet: NAPI and GRO support
- Mellanox Ethernet switches (mlxsw):
- source and dest IP address rewrites
- RJ45 ports
- Marvell Ethernet switches (prestera):
- basic routing offload
- multi-chain TC ACL offload
- NXP embedded Ethernet switches (ocelot & felix):
- PTP over UDP with the ocelot-8021q DSA tagging protocol
- basic QoS classification on Felix DSA switch using dcbnl
- port mirroring for ocelot switches
- Microchip high-speed industrial Ethernet (sparx5):
- offloading of bridge port flooding flags
- PTP Hardware Clock
- Other embedded switches:
- lan966x: PTP Hardward Clock
- qca8k: mdio read/write operations via crafted Ethernet packets
- Qualcomm 802.11ax WiFi (ath11k):
- add LDPC FEC type and 802.11ax High Efficiency data in radiotap
- enable RX PPDU stats in monitor co-exist mode
- Intel WiFi (iwlwifi):
- UHB TAS enablement via BIOS
- band disablement via BIOS
- channel switch offload
- 32 Rx AMPDU sessions in newer devices
- MediaTek WiFi (mt76):
- background radar detection
- thermal management improvements on mt7915
- SAR support for more mt76 platforms
- MBSSID and 6 GHz band on mt7915
- RealTek WiFi:
- rtw89: AP mode
- rtw89: 160 MHz channels and 6 GHz band
- rtw89: hardware scan
- Bluetooth:
- mt7921s: wake on Bluetooth, SCO over I2S, wide-band-speed (WBS)
- Microchip CAN (mcp251xfd):
- multiple RX-FIFOs and runtime configurable RX/TX rings
- internal PLL, runtime PM handling simplification
- improve chip detection and error handling after wakeup"
* tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2521 commits)
llc: fix netdevice reference leaks in llc_ui_bind()
drivers: ethernet: cpsw: fix panic when interrupt coaleceing is set via ethtool
ice: don't allow to run ice_send_event_to_aux() in atomic ctx
ice: fix 'scheduling while atomic' on aux critical err interrupt
net/sched: fix incorrect vlan_push_eth dest field
net: bridge: mst: Restrict info size queries to bridge ports
net: marvell: prestera: add missing destroy_workqueue() in prestera_module_init()
drivers: net: xgene: Fix regression in CRC stripping
net: geneve: add missing netlink policy and size for IFLA_GENEVE_INNER_PROTO_INHERIT
net: dsa: fix missing host-filtered multicast addresses
net/mlx5e: Fix build warning, detected write beyond size of field
iwlwifi: mvm: Don't fail if PPAG isn't supported
selftests/bpf: Fix kprobe_multi test.
Revert "rethook: x86: Add rethook x86 implementation"
Revert "arm64: rethook: Add arm64 rethook implementation"
Revert "powerpc: Add rethook support"
Revert "ARM: rethook: Add rethook arm implementation"
netdevice: add missing dm_private kdoc
net: bridge: mst: prevent NULL deref in br_mst_info_size()
selftests: forwarding: Use same VRF for port and VLAN upper
...
- Introduce new device migration uAPI and implement device specific
mlx5 vfio-pci variant driver supporting new protocol (Jason Gunthorpe,
Yishai Hadas, Leon Romanovsky)
- New HiSilicon acc vfio-pci variant driver, also supporting migration
interface (Shameer Kolothum, Longfang Liu)
- D3hot fixes for vfio-pci-core (Abhishek Sahu)
- Document new vfio-pci variant driver acceptance criteria
(Alex Williamson)
- Fix UML build unresolved ioport_{un}map() functions
(Alex Williamson)
- Fix MAINTAINERS due to header movement (Lukas Bulwahn)
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Merge tag 'vfio-v5.18-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Introduce new device migration uAPI and implement device specific
mlx5 vfio-pci variant driver supporting new protocol (Jason
Gunthorpe, Yishai Hadas, Leon Romanovsky)
- New HiSilicon acc vfio-pci variant driver, also supporting migration
interface (Shameer Kolothum, Longfang Liu)
- D3hot fixes for vfio-pci-core (Abhishek Sahu)
- Document new vfio-pci variant driver acceptance criteria
(Alex Williamson)
- Fix UML build unresolved ioport_{un}map() functions
(Alex Williamson)
- Fix MAINTAINERS due to header movement (Lukas Bulwahn)
* tag 'vfio-v5.18-rc1' of https://github.com/awilliam/linux-vfio: (31 commits)
vfio-pci: Provide reviewers and acceptance criteria for variant drivers
MAINTAINERS: adjust entry for header movement in hisilicon qm driver
hisi_acc_vfio_pci: Use its own PCI reset_done error handler
hisi_acc_vfio_pci: Add support for VFIO live migration
crypto: hisilicon/qm: Set the VF QM state register
hisi_acc_vfio_pci: Add helper to retrieve the struct pci_driver
hisi_acc_vfio_pci: Restrict access to VF dev BAR2 migration region
hisi_acc_vfio_pci: add new vfio_pci driver for HiSilicon ACC devices
hisi_acc_qm: Move VF PCI device IDs to common header
crypto: hisilicon/qm: Move few definitions to common header
crypto: hisilicon/qm: Move the QM header to include/linux
vfio/mlx5: Fix to not use 0 as NULL pointer
PCI/IOV: Fix wrong kernel-doc identifier
vfio/mlx5: Use its own PCI reset_done error handler
vfio/pci: Expose vfio_pci_core_aer_err_detected()
vfio/mlx5: Implement vfio_pci driver for mlx5 devices
vfio/mlx5: Expose migration commands over mlx5 device
vfio: Remove migration protocol v1 documentation
vfio: Extend the device migration protocol with RUNNING_P2P
vfio: Define device migration protocol v2
...
- Proper emulation of the OSLock feature of the debug architecture
- Scalibility improvements for the MMU lock when dirty logging is on
- New VMID allocator, which will eventually help with SVA in VMs
- Better support for PMUs in heterogenous systems
- PSCI 1.1 support, enabling support for SYSTEM_RESET2
- Implement CONFIG_DEBUG_LIST at EL2
- Make CONFIG_ARM64_ERRATUM_2077057 default y
- Reduce the overhead of VM exit when no interrupt is pending
- Remove traces of 32bit ARM host support from the documentation
- Updated vgic selftests
- Various cleanups, doc updates and spelling fixes
RISC-V:
- Prevent KVM_COMPAT from being selected
- Optimize __kvm_riscv_switch_to() implementation
- RISC-V SBI v0.3 support
s390:
- memop selftest
- fix SCK locking
- adapter interruptions virtualization for secure guests
- add Claudio Imbrenda as maintainer
- first step to do proper storage key checking
x86:
- Continue switching kvm_x86_ops to static_call(); introduce
static_call_cond() and __static_call_ret0 when applicable.
- Cleanup unused arguments in several functions
- Synthesize AMD 0x80000021 leaf
- Fixes and optimization for Hyper-V sparse-bank hypercalls
- Implement Hyper-V's enlightened MSR bitmap for nested SVM
- Remove MMU auditing
- Eager splitting of page tables (new aka "TDP" MMU only) when dirty
page tracking is enabled
- Cleanup the implementation of the guest PGD cache
- Preparation for the implementation of Intel IPI virtualization
- Fix some segment descriptor checks in the emulator
- Allow AMD AVIC support on systems with physical APIC ID above 255
- Better API to disable virtualization quirks
- Fixes and optimizations for the zapping of page tables:
- Zap roots in two passes, avoiding RCU read-side critical sections
that last too long for very large guests backed by 4 KiB SPTEs.
- Zap invalid and defunct roots asynchronously via concurrency-managed
work queue.
- Allowing yielding when zapping TDP MMU roots in response to the root's
last reference being put.
- Batch more TLB flushes with an RCU trick. Whoever frees the paging
structure now holds RCU as a proxy for all vCPUs running in the guest,
i.e. to prolongs the grace period on their behalf. It then kicks the
the vCPUs out of guest mode before doing rcu_read_unlock().
Generic:
- Introduce __vcalloc and use it for very large allocations that
need memcg accounting
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM:
- Proper emulation of the OSLock feature of the debug architecture
- Scalibility improvements for the MMU lock when dirty logging is on
- New VMID allocator, which will eventually help with SVA in VMs
- Better support for PMUs in heterogenous systems
- PSCI 1.1 support, enabling support for SYSTEM_RESET2
- Implement CONFIG_DEBUG_LIST at EL2
- Make CONFIG_ARM64_ERRATUM_2077057 default y
- Reduce the overhead of VM exit when no interrupt is pending
- Remove traces of 32bit ARM host support from the documentation
- Updated vgic selftests
- Various cleanups, doc updates and spelling fixes
RISC-V:
- Prevent KVM_COMPAT from being selected
- Optimize __kvm_riscv_switch_to() implementation
- RISC-V SBI v0.3 support
s390:
- memop selftest
- fix SCK locking
- adapter interruptions virtualization for secure guests
- add Claudio Imbrenda as maintainer
- first step to do proper storage key checking
x86:
- Continue switching kvm_x86_ops to static_call(); introduce
static_call_cond() and __static_call_ret0 when applicable.
- Cleanup unused arguments in several functions
- Synthesize AMD 0x80000021 leaf
- Fixes and optimization for Hyper-V sparse-bank hypercalls
- Implement Hyper-V's enlightened MSR bitmap for nested SVM
- Remove MMU auditing
- Eager splitting of page tables (new aka "TDP" MMU only) when dirty
page tracking is enabled
- Cleanup the implementation of the guest PGD cache
- Preparation for the implementation of Intel IPI virtualization
- Fix some segment descriptor checks in the emulator
- Allow AMD AVIC support on systems with physical APIC ID above 255
- Better API to disable virtualization quirks
- Fixes and optimizations for the zapping of page tables:
- Zap roots in two passes, avoiding RCU read-side critical
sections that last too long for very large guests backed by 4
KiB SPTEs.
- Zap invalid and defunct roots asynchronously via
concurrency-managed work queue.
- Allowing yielding when zapping TDP MMU roots in response to the
root's last reference being put.
- Batch more TLB flushes with an RCU trick. Whoever frees the
paging structure now holds RCU as a proxy for all vCPUs running
in the guest, i.e. to prolongs the grace period on their behalf.
It then kicks the the vCPUs out of guest mode before doing
rcu_read_unlock().
Generic:
- Introduce __vcalloc and use it for very large allocations that need
memcg accounting"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (246 commits)
KVM: use kvcalloc for array allocations
KVM: x86: Introduce KVM_CAP_DISABLE_QUIRKS2
kvm: x86: Require const tsc for RT
KVM: x86: synthesize CPUID leaf 0x80000021h if useful
KVM: x86: add support for CPUID leaf 0x80000021
KVM: x86: do not use KVM_X86_OP_OPTIONAL_RET0 for get_mt_mask
Revert "KVM: x86/mmu: Zap only TDP MMU leafs in kvm_zap_gfn_range()"
kvm: x86/mmu: Flush TLB before zap_gfn_range releases RCU
KVM: arm64: fix typos in comments
KVM: arm64: Generalise VM features into a set of flags
KVM: s390: selftests: Add error memop tests
KVM: s390: selftests: Add more copy memop tests
KVM: s390: selftests: Add named stages for memop test
KVM: s390: selftests: Add macro as abstraction for MEM_OP
KVM: s390: selftests: Split memop tests
KVM: s390x: fix SCK locking
RISC-V: KVM: Implement SBI HSM suspend call
RISC-V: KVM: Add common kvm_riscv_vcpu_wfi() function
RISC-V: Add SBI HSM suspend related defines
RISC-V: KVM: Implement SBI v0.3 SRST extension
...
Make dpu-qcm2290 example really follow the defined schema:
- Drop qcom,mdss compatible. It's only used for MDP5 devices.
- Change display controller name to display-controller as specified in
the yaml
Reported-by: Rob Herring <robh@kernel.org>
Cc: Loic Poulain <loic.poulain@linaro.org>
Fixes: 164f69d9d4 ("dt-bindings: msm: disp: add yaml schemas for QCM2290 DPU bindings")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20220324115536.2090818-1-dmitry.baryshkov@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
The panic_print setting allows users to collect more information in a
panic event, like memory stats, tasks, CPUs backtraces, etc. This is an
interesting debug mechanism, but currently the print event happens *after*
kmsg_dump(), meaning that pstore, for example, cannot collect a dmesg with
the panic_print extra information.
This patch changes that in 2 steps:
(a) The panic_print setting allows to replay the existing kernel log
buffer to the console (bit 5), besides the extra information dump.
This functionality makes sense only at the end of the panic()
function. So, we hereby allow to distinguish the two situations by a
new boolean parameter in the function panic_print_sys_info().
(b) With the above change, we can safely call panic_print_sys_info()
before kmsg_dump(), allowing to dump the extra information when using
pstore or other kmsg dumpers.
The additional messages from panic_print could overwrite the oldest
messages when the buffer is full. The only reasonable solution is to use
a large enough log buffer, hence we added an advice into the kernel
parameters documentation about that.
Link: https://lkml.kernel.org/r/20220214141308.841525-1-gpiccoli@igalia.com
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Acked-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Feng Tang <feng.tang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently the "panic_print" parameter/sysctl allows some interesting debug
information to be printed during a panic event. This is useful for
example in cases the user cannot kdump due to resource limits, or if the
user collects panic logs in a serial output (or pstore) and prefers a fast
reboot instead of a kdump.
Happens that currently there's no way to see all CPUs backtraces in a
panic using "panic_print" on architectures that support that. We do have
"oops_all_cpu_backtrace" sysctl, but although partially overlapping in the
functionality, they are orthogonal in nature: "panic_print" is a panic
tuning (and we have panics without oopses, like direct calls to panic() or
maybe other paths that don't go through oops_enter() function), and the
original purpose of "oops_all_cpu_backtrace" is to provide more
information on oopses for cases in which the users desire to continue
running the kernel even after an oops, i.e., used in non-panic scenarios.
So, we hereby introduce an additional bit for "panic_print" to allow
dumping the CPUs backtraces during a panic event.
Link: https://lkml.kernel.org/r/20211109202848.610874-3-gpiccoli@igalia.com
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Some improvements on panic_print".
This is a mix of a documentation fix with some additions to the
"panic_print" syscall / parameter. The goal here is being able to collect
all CPUs backtraces during a panic event and also to enable "panic_print"
in a kdump event - details of the reasoning and design choices in the
patches.
This patch (of 3):
Commit de6da1e8bc ("panic: add an option to replay all the printk
message in buffer") added a new bit to the sysctl/kernel parameter
"panic_print", but the documentation was added only in
kernel-parameters.txt, not in the sysctl guide.
Fix it here by adding bit 5 to sysctl admin-guide documentation.
[rdunlap@infradead.org: fix table format warning]
Link: https://lkml.kernel.org/r/20220109055635.6999-1-rdunlap@infradead.org
Link: https://lkml.kernel.org/r/20211109202848.610874-1-gpiccoli@igalia.com
Link: https://lkml.kernel.org/r/20211109202848.610874-2-gpiccoli@igalia.com
Fixes: de6da1e8bc ("panic: add an option to replay all the printk message in buffer")
Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Reviewed-by: Feng Tang <feng.tang@intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Except cp and makedumpfile, add scp example to write out the dump file.
Link: https://lkml.kernel.org/r/1644324666-15947-3-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Marco Elver <elver@google.com>
Cc: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Update doc and fix some issues about kdump", v2.
This patch (of 5):
After commit 6a108a14fa ("kconfig: rename CONFIG_EMBEDDED to
CONFIG_EXPERT"), "Configure standard kernel features (for small
systems)" is not exist, we should use "Configure standard kernel
features (expert users)" now.
Link: https://lkml.kernel.org/r/1644324666-15947-1-git-send-email-yangtiezhu@loongson.cn
Link: https://lkml.kernel.org/r/1644324666-15947-2-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Marco Elver <elver@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Several attributes depend on __CHECKER__, but previously there was no
clue in the tree about when __CHECKER__ might be defined. Add hints at
the most common places (__kernel, __user, __iomem, __bitwise) and in the
sparse documentation.
Link: https://lkml.kernel.org/r/20220310220927.245704-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: "Michael S . Tsirkin" <mst@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
After a somewhat quiet 5.17 release, the size of the DT changes
is a bit larger again. There are nine new SoC that get added,
all of them related to existing platforms:
- Airoha (formerly Mediatek/EcoNet) EN7523 networking SoC and EVB
- Mediatek mt6582 tablet platform with the Prestigio PMT5008 3G tablet
- Microchip Lan966 networking SoC and it evaluation board
- Qualcomm Snapdragon 625/632 midrange phone SoCs, with the
LG Nexus 5X and Fairphone FP3 phones
- Renesas RZ/G2LC and RZ/V2L general-purpose embedded SoCs,
along with their evaluation boards
- Samsung Exynos 850 phone SoC and reference board
- Samsung Exynos7885 with the Samsung Galaxy A8 (2018) phone
- Tesla FSD (Fully Self-Driving), an automotive SoC losely derived
from the Samsung Exynos family.
- TI K3/AM62 SoC and reference board
Support for additional functionality in existing dts files is added all
over the place: Samsung, Renesas, Mstar, wpcm450, OMAP, AT91, Allwinner,
i.MX, Tegra, Aspeed, Oxnas, Qualcomm, Mediatek, and Broadcom.
Samsung has a rework for its pinctrl schema that is a bit tricky and
requires driver changes to be included here.
A few more platforms only have smaller cleanups and DT Schema fixes,
this includes SoCFPGA, ux500, ixp4xx, STi, Xilinx Zynq, LG, and Juno.
The new machines are really too many to list, but I'll do it anyway:
Allwinner:
- A20-Marsboard development board
Amlogic
- Amediatek X96-AIR (Amlogic S905X3)
- CYX A95XF3-AIR (Amlogic S905X3)
- Haochuangy H96-Max (Amlogic S905X3)
- Amlogic AQ222 (Amlogic S4)
- OSMC Vero 4K+ (Amlogic S905D)
Arm Juno
- Separate DT depending on SCMI firmware version
Aspeed:
- Quanta S6Q BMC (AST2600)
- ASRock ROMED8HM3 (AST2500)
Broadcom:
- Raspberry Pi Zero 2 W
Marvell MVEBU/Armada:
- Ctera C200 V1 NAS (kirkwood)
- Ctera C200 V2 NAS (armada-370)
Mstar
- DongShanPiOne, a low-end embedded board
- Miyoo Mini handheld game console
NXP i.MX:
- Numerous i.MX8M Mini based boards in even more variations, but
none based on other SoCs this time:
Protonic PRT8MM, emCON-MX8M Mini, Toradex Verdin, and
Gateworks GW7903
Qualcomm:
- Google Herobrine R1 Chromebook platform (Snapdragon 7c Gen 3)
- SHIFT6mq phone (Snapdragon 845)
- Samsung Galaxy Book2 (Snapdragon 850)
- Snapdragon 8 Gen 1 Hardware Development Kit
TI OMAP:
- SanCloud BeagleBone Enhanced WiFi
Rockchip:
- Pine64 PineNote ereader tablet (rk356x)
- Bananapi-R2-Pro (rk356x)
STM32:
- emtrion emSBS-Argon embedded board (stm32mp157c)
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Merge tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM devicetree updates from Arnd Bergmann:
"After a somewhat quiet 5.17 release, the size of the DT changes is a
bit larger again. There are nine new SoC that get added, all of them
related to existing platforms:
- Airoha (formerly Mediatek/EcoNet) EN7523 networking SoC and EVB
- Mediatek mt6582 tablet platform with the Prestigio PMT5008 3G
tablet
- Microchip Lan966 networking SoC and it evaluation board
- Qualcomm Snapdragon 625/632 midrange phone SoCs, with the LG Nexus
5X and Fairphone FP3 phones
- Renesas RZ/G2LC and RZ/V2L general-purpose embedded SoCs, along
with their evaluation boards
- Samsung Exynos 850 phone SoC and reference board
- Samsung Exynos7885 with the Samsung Galaxy A8 (2018) phone
- Tesla FSD (Fully Self-Driving), an automotive SoC loosely derived
from the Samsung Exynos family.
- TI K3/AM62 SoC and reference board
Support for additional functionality in existing dts files is added
all over the place: Samsung, Renesas, Mstar, wpcm450, OMAP, AT91,
Allwinner, i.MX, Tegra, Aspeed, Oxnas, Qualcomm, Mediatek, and
Broadcom.
Samsung has a rework for its pinctrl schema that is a bit tricky and
requires driver changes to be included here.
A few more platforms only have smaller cleanups and DT Schema fixes,
this includes SoCFPGA, ux500, ixp4xx, STi, Xilinx Zynq, LG, and Juno.
The new machines are really too many to list, but I'll do it anyway:
Allwinner:
- A20-Marsboard development board
Amlogic:
- Amediatek X96-AIR (Amlogic S905X3)
- CYX A95XF3-AIR (Amlogic S905X3)
- Haochuangy H96-Max (Amlogic S905X3)
- Amlogic AQ222 (Amlogic S4)
- OSMC Vero 4K+ (Amlogic S905D)
Arm Juno:
- Separate DT depending on SCMI firmware version
Aspeed:
- Quanta S6Q BMC (AST2600)
- ASRock ROMED8HM3 (AST2500)
Broadcom:
- Raspberry Pi Zero 2 W
Marvell MVEBU/Armada:
- Ctera C200 V1 NAS (kirkwood)
- Ctera C200 V2 NAS (armada-370)
Mstar:
- DongShanPiOne, a low-end embedded board
- Miyoo Mini handheld game console
NXP i.MX:
- Numerous i.MX8M Mini based boards in even more variations, but
none based on other SoCs this time:
Protonic PRT8MM, emCON-MX8M Mini, Toradex Verdin, and
Gateworks GW7903
Qualcomm:
- Google Herobrine R1 Chromebook platform (Snapdragon 7c Gen 3)
- SHIFT6mq phone (Snapdragon 845)
- Samsung Galaxy Book2 (Snapdragon 850)
- Snapdragon 8 Gen 1 Hardware Development Kit
TI OMAP:
- SanCloud BeagleBone Enhanced WiFi
Rockchip:
- Pine64 PineNote ereader tablet (rk356x)
- Bananapi-R2-Pro (rk356x)
STM32:
- emtrion emSBS-Argon embedded board (stm32mp157c)"
* tag 'arm-dt-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (627 commits)
arm64: dts: n5x: drop invalid property and fix edac node name
arm64: dts: fsd: Add the MCT support
arm64: dts: stingray: Fix spi clock name
arm64: dts: ns2: Fix spi clock name
ARM: dts: rockchip: Update regulator name for PX3
ARM: dts: rockchip: Add #clock-cells value for rk805
arm64: dts: rockchip: Add #clock-cells value for rk805
arm64: dts: rockchip: Remove vcc13 and vcc14 for rk808
arm64: dts: rockchip: Fix SDIO regulator supply properties on rk3399-firefly
ARM: dts: at91: sama7g5: Add NAND support
ARM: dts: at91: sama7g5: add eic node
ARM: dts: at91: sama7g5: Remove unused properties in i2c nodes
ARM: dts: at91: sam9x60ek: modify vdd_1v5 regulator to vdd_1v15
arm64: dts: lg: align pl330 node name with dtschema
arm64: dts: lg: add dma-cells to pl330 node
arm64: dts: juno: align pl330 node name with dtschema
arm64: dts: broadcom: Fix sata nodename
arm64: dts: n5x: add sdr edac support
arm64: dts: agilex/stratix10: add clock-names to USB DWC2 node
dt-bindings: usb: dwc2: add disable-over-current
...
There are a few separately maintained driver subsystems that we merge through
the SoC tree, notable changes are:
- Memory controller updates, mainly for Tegra and Mediatek SoCs,
and clarifications for the memory controller DT bindings
- SCMI firmware interface updates, in particular a new transport based
on OPTEE and support for atomic operations.
- Cleanups to the TEE subsystem, refactoring its memory management
For SoC specific drivers without a separate subsystem, changes include
- Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
Layerscape SoCs.
- Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
and Qualcomm SM8450.
- Better power management on Mediatek MT81xx, NXP i.MX8MQ
and older NVIDIA Tegra chips
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Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM driver updates from Arnd Bergmann:
"There are a few separately maintained driver subsystems that we merge
through the SoC tree, notable changes are:
- Memory controller updates, mainly for Tegra and Mediatek SoCs, and
clarifications for the memory controller DT bindings
- SCMI firmware interface updates, in particular a new transport
based on OPTEE and support for atomic operations.
- Cleanups to the TEE subsystem, refactoring its memory management
For SoC specific drivers without a separate subsystem, changes include
- Smaller updates and fixes for TI, AT91/SAMA5, Qualcomm and NXP
Layerscape SoCs.
- Driver support for Microchip SAMA5D29, Tesla FSD, Renesas RZ/G2L,
and Qualcomm SM8450.
- Better power management on Mediatek MT81xx, NXP i.MX8MQ and older
NVIDIA Tegra chips"
* tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (154 commits)
ARM: spear: fix typos in comments
soc/microchip: fix invalid free in mpfs_sys_controller_delete
soc: s4: Add support for power domains controller
dt-bindings: power: add Amlogic s4 power domains bindings
ARM: at91: add support in soc driver for new SAMA5D29
soc: mediatek: mmsys: add sw0_rst_offset in mmsys driver data
dt-bindings: memory: renesas,rpc-if: Document RZ/V2L SoC
memory: emif: check the pointer temp in get_device_details()
memory: emif: Add check for setup_interrupts
dt-bindings: arm: mediatek: mmsys: add support for MT8186
dt-bindings: mediatek: add compatible for MT8186 pwrap
soc: mediatek: pwrap: add pwrap driver for MT8186 SoC
soc: mediatek: mmsys: add mmsys reset control for MT8186
soc: mediatek: mtk-infracfg: Disable ACP on MT8192
soc: ti: k3-socinfo: Add AM62x JTAG ID
soc: mediatek: add MTK mutex support for MT8186
soc: mediatek: mmsys: add mt8186 mmsys routing table
soc: mediatek: pm-domains: Add support for mt8186
dt-bindings: power: Add MT8186 power domains
soc: mediatek: pm-domains: Add support for mt8195
...
SoC specific code is generally used for older platforms that don't (yet)
use device tree to do the same things.
- Support is added for i.MXRT10xx, a Cortex-M7 based microcontroller
from NXP. At the moment this is still incomplete as other portions
are merged through different trees.
- Long abandoned support for running NOMMU ARMv4 or ARMv5 platforms
gets removed, now the Arm NOMMU platforms are limited to the
Cortex-M family of microcontrollers
- Two old PXA boards get removed, along with corresponding driver
bits.
- Continued cleanup of the Intel IXP4xx platforms, removing some
remnants of the old board files.
- Minor Cleanups and fixes for Orion, PXA, MMP, Mstar, Samsung
- CPU idle support for AT91
- A system controller driver for Polarfire
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Merge tag 'arm-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"SoC specific code is generally used for older platforms that don't
(yet) use device tree to do the same things.
- Support is added for i.MXRT10xx, a Cortex-M7 based microcontroller
from NXP. At the moment this is still incomplete as other portions
are merged through different trees.
- Long abandoned support for running NOMMU ARMv4 or ARMv5 platforms
gets removed, now the Arm NOMMU platforms are limited to the
Cortex-M family of microcontrollers
- Two old PXA boards get removed, along with corresponding driver
bits.
- Continued cleanup of the Intel IXP4xx platforms, removing some
remnants of the old board files.
- Minor Cleanups and fixes for Orion, PXA, MMP, Mstar, Samsung
- CPU idle support for AT91
- A system controller driver for Polarfire"
* tag 'arm-soc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
ARM: remove support for NOMMU ARMv4/v5
ARM: PXA: fix up decompressor code
soc: microchip: make mpfs_sys_controller_put static
ARM: pxa: remove Intel Imote2 and Stargate 2 boards
ARM: mmp: Fix failure to remove sram device
ARM: mstar: Select ARM_ERRATA_814220
soc: add microchip polarfire soc system controller
ARM: at91: Kconfig: select PM_OPP
ARM: at91: PM: add cpu idle support for sama7g5
ARM: at91: ddr: fix typo to align with datasheet naming
ARM: at91: ddr: align macro definitions
ARM: at91: ddr: remove CONFIG_SOC_SAMA7 dependency
ARM: ixp4xx: Convert to SPARSE_IRQ and P2V
ARM: ixp4xx: Drop all common code
ARM: ixp4xx: Drop custom DMA coherency and bouncing
ARM: ixp4xx: Remove feature bit accessors
net: ixp4xx_hss: Check features using syscon
net: ixp4xx_eth: Drop platform data support
soc: ixp4xx-npe: Access syscon regs using regmap
soc: ixp4xx: Add features from regmap helper
...
There are three sets of updates for 5.18 in the asm-generic tree:
- The set_fs()/get_fs() infrastructure gets removed for good. This
was already gone from all major architectures, but now we can
finally remove it everywhere, which loses some particularly
tricky and error-prone code.
There is a small merge conflict against a parisc cleanup, the
solution is to use their new version.
- The nds32 architecture ends its tenure in the Linux kernel. The
hardware is still used and the code is in reasonable shape, but
the mainline port is not actively maintained any more, as all
remaining users are thought to run vendor kernels that would never
be updated to a future release.
There are some obvious conflicts against changes to the removed
files.
- A series from Masahiro Yamada cleans up some of the uapi header
files to pass the compile-time checks.
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Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"There are three sets of updates for 5.18 in the asm-generic tree:
- The set_fs()/get_fs() infrastructure gets removed for good.
This was already gone from all major architectures, but now we can
finally remove it everywhere, which loses some particularly tricky
and error-prone code. There is a small merge conflict against a
parisc cleanup, the solution is to use their new version.
- The nds32 architecture ends its tenure in the Linux kernel.
The hardware is still used and the code is in reasonable shape, but
the mainline port is not actively maintained any more, as all
remaining users are thought to run vendor kernels that would never
be updated to a future release.
- A series from Masahiro Yamada cleans up some of the uapi header
files to pass the compile-time checks"
* tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (27 commits)
nds32: Remove the architecture
uaccess: remove CONFIG_SET_FS
ia64: remove CONFIG_SET_FS support
sh: remove CONFIG_SET_FS support
sparc64: remove CONFIG_SET_FS support
lib/test_lockup: fix kernel pointer check for separate address spaces
uaccess: generalize access_ok()
uaccess: fix type mismatch warnings from access_ok()
arm64: simplify access_ok()
m68k: fix access_ok for coldfire
MIPS: use simpler access_ok()
MIPS: Handle address errors for accesses above CPU max virtual user address
uaccess: add generic __{get,put}_kernel_nofault
nios2: drop access_ok() check from __put_user()
x86: use more conventional access_ok() definition
x86: remove __range_not_ok()
sparc64: add __{get,put}_kernel_nofault()
nds32: fix access_ok() checks in get/put_user
uaccess: fix nios2 and microblaze get_user_8()
sparc64: fix building assembly files
...
make htmldocs fails with
Sphinx parallel build error:
docutils.utils.SystemMessage: ...nvdimm.rst:146:
(SEVERE/4) Title level inconsistent:
PMEM-REGIONs, Atomic Sectors, and DAX
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The PMEM vs BLK section was removed without changing
the PMEM-REGIONS... title line. Replace '^' with '_'.
Fixes: f8669f1d6a ("nvdimm/blk: Delete the block-aperture window driver")
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220321220408.2381974-1-trix@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
A recent change added a warning when yamllint is not installed, as it is
needed for 'make dt_binding_check'. However, it also changed
DT_SCHEMA_LINT to be a simple make variable, which is evaluated when a
Makefile is evaluated. This causes a warning when running 'make clean',
as Documentation/devicetree/bindings/Makefile has a "clean-files"
variable:
$ make -s clean
which: no yamllint in (...)
warning: python package 'yamllint' not installed, skipping
Make DT_SCHEMA_LINT a recursive variable so it is evaluated only when it
is used. The warning still triggers when 'make dt_binding_check' is run.
Fixes: b3e664a7f4 ("dt-bindings: kbuild: Print a warning if yamllint is not found")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220315202542.2071351-1-nathan@kernel.org
U-Boot uses environment variables for storing device setup data. It
usually needs to be accessed by a bootloader, kernel and often
user-space.
This binding allows describing environment data located in a raw flash
partition. It's treated as NVMEM device and can be reused later for
other storage devices.
Using DT should be cleaner than hardcoding & duplicating such info in
multiple places. Bootloader & kernel can share DTS and user-space can
try reading it too or just have correct data exposed by a kernel.
A custom "compatible" string allows system to automatically load
relevant NVMEM driver but phandle can be also used for reading raw
location.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220228131250.16943-1-zajec5@gmail.com
It's been a fairly calm development cycle. There are a few
last-minute ALSA core fixes, most notably for covering PCM ioctl
races, but the most of rest are device-specific changes.
Below are some highlights:
* ALSA core:
- Fixes for PCM ioctl races that may lead to UAF
- Fix for oversized allocations in PCM OSS layer
* ASoC:
- Start of moving SoF to support multiple IPC mechanisms
- Use of NHLT ACPI table to reduce the amount of quirking required for
Intel systems
- Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
firmwares
- Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280, Renesas
RZ/V2L, Texas Instruments TAS585M
* HD-audio:
- Driver re-binding fix for HD-audio
- Updates for Intel ADL and Tegra234, various platform quirks for
Dell, HP, Lenovo, ASUS, Samsung and Clevo machines
* USB-audio:
- Quirk updates for Scarlett2, RODE, Corsair devices
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Merge tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It's been a fairly calm development cycle. There are a few last-minute
ALSA core fixes, most notably for covering PCM ioctl races, but the
most of rest are device-specific changes.
Below are some highlights:
ALSA core:
- Fixes for PCM ioctl races that may lead to UAF
- Fix for oversized allocations in PCM OSS layer
ASoC:
- Start of moving SoF to support multiple IPC mechanisms
- Use of NHLT ACPI table to reduce the amount of quirking required
for Intel systems
- Preliminary works forthcoming Intel AVS driver for legacy Intel DSP
firmwares
- Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280,
Renesas RZ/V2L, Texas Instruments TAS585M
HD-audio:
- Driver re-binding fix for HD-audio
- Updates for Intel ADL and Tegra234, various platform quirks for
Dell, HP, Lenovo, ASUS, Samsung and Clevo machines
USB-audio:
- Quirk updates for Scarlett2, RODE, Corsair devices"
* tag 'sound-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (486 commits)
ALSA: hda/realtek: Add alc256-samsung-headphone fixup
ALSA: pci: fix reading of swapped values from pcmreg in AC97 codec
ALSA: pcm: Add stream lock during PCM reset ioctl operations
ALSA: pcm: Fix races among concurrent prealloc proc writes
ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls
ALSA: pcm: Fix races among concurrent read/write and buffer changes
ALSA: pcm: Fix races among concurrent hw_params and hw_free calls
ASoC: atmel: mchp-pdmc: print the correct property name
MAINTAINERS: Add Shengjiu to maintainer list of sound/soc/fsl
ASoC: SOF: Add a new dai_get_clk topology IPC op
ASoC: SOF: topology: Add ops for setting up and tearing down pipelines
ASoC: SOF: expose sof_route_setup()
ASoC: SOF: Add dai_link_fixup PCM op for IPC3
ASoC: SOF: Add trigger PCM op for IPC3
ASoC: SOF: Define hw_params PCM op for IPC3
ASoC: SOF: Introduce IPC3 PCM hw_free op
ASoC: SOF: pcm: expose the sof_pcm_setup_connected_widgets() function
ASoC: SOF: Introduce IPC-specific PCM ops
ASoC: SOF: Add bytes_ext control IPC ops for IPC3
ASoC: SOF: Add bytes_get/put control IPC ops for IPC3
...
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Merge tag 'media/v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- a major reorg at platform Kconfig/Makefile files, organizing them per
vendor. The other media Kconfig/Makefile files also sorted
- New sensor drivers: hi847, isl7998x, ov08d10
- New Amphion vpu decoder stateful driver
- New Atmel microchip csi2dc driver
- tegra-vde driver promoted from staging
- atomisp: some fixes for it to work on BYT
- imx7-mipi-csis driver promoted from staging and renamed
- camss driver got initial support for VFE hardware version Titan 480
- mtk-vcodec has gained support for MT8192
- lots of driver changes, fixes and improvements
* tag 'media/v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (417 commits)
media: nxp: Restrict VIDEO_IMX_MIPI_CSIS to ARCH_MXC or COMPILE_TEST
media: amphion: cleanup media device if register it fail
media: amphion: fix some issues to improve robust
media: amphion: fix some error related with undefined reference to __divdi3
media: amphion: fix an issue that using pm_runtime_get_sync incorrectly
media: vidtv: use vfree() for memory allocated with vzalloc()
media: m5mols/m5mols.h: document new reset field
media: pixfmt-yuv-planar.rst: fix PIX_FMT labels
media: platform: Remove unnecessary print function dev_err()
media: amphion: Add missing of_node_put() in vpu_core_parse_dt()
media: mtk-vcodec: Add missing of_node_put() in mtk_vdec_hw_prob_done()
media: platform: amphion: Fix build error without MAILBOX
media: spi: Kconfig: Place SPI drivers on a single menu
media: i2c: Kconfig: move camera drivers to the top
media: atomisp: fix bad usage at error handling logic
media: platform: rename mediatek/mtk-jpeg/ to mediatek/jpeg/
media: media/*/Kconfig: sort entries
media: Kconfig: cleanup VIDEO_DEV dependencies
media: platform/*/Kconfig: make manufacturer menus more uniform
media: platform: Create vendor/{Makefile,Kconfig} files
...
Lots of small fixes and code cleanups across most of the fbdev drivers.
This includes conversions to use helper functions, const conversions, spelling
fixes, help text updates, adding return value checks, small build fixes, and
much more.
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Merge tag 'for-5.18/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"Lots of small fixes and code cleanups across most of the fbdev
drivers.
This includes conversions to use helper functions, const conversions,
spelling fixes, help text updates, adding return value checks, small
build fixes, and much more"
* tag 'for-5.18/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (59 commits)
video: fbdev: kyro: make read-only array ODValues static const
video: fbdev: offb: fix warning comparing pointer to 0
video: fbdev: omapfb: Add missing of_node_put() in dvic_probe_of
video: fbdev: sm712fb: Fix crash in smtcfb_write()
video: fbdev: s3c-fb: fix platform_get_irq.cocci warning
video: fbdev: sm712fb: Fix crash in smtcfb_read()
video: fbdev: via: check the return value of kstrdup()
video: fbdev: au1100fb: Spelling s/palette/palette/
video: fbdev: atari: Atari 2 bpp (STe) palette bugfix
video: fbdev: atari: Remove unused atafb_setcolreg()
video: fbdev: atari: Convert to standard round_up() helper
video: fbdev: atari: Fix TT High video mode
video: fbdev: udlfb: replace snprintf in show functions with sysfs_emit
video: fbdev: omapfb: panel-tpo-td043mtea1: Use sysfs_emit() instead of snprintf()
video: fbdev: omapfb: panel-dsi-cm: Use sysfs_emit() instead of snprintf()
video: fbdev: omapfb: Use sysfs_emit() instead of snprintf()
video: fbdev: s3c-fb: Use platform_get_irq() to get the interrupt
video: fbdev: Fix wrong file path for pvr2fb.c in Kconfig help text
video: fbdev: pxa3xx-gcu: Remove unnecessary print function dev_err()
video: fbdev: pxa168fb: Remove unnecessary print function dev_err()
...
- Convert to sysfs_emit() in favor of sprintf()
- Improve fallback to speed modes if eMMC HS200 fails
MMC host:
- dw_mmc: Allow variants to set minimal supported clock rate
- dw-mmc-rockchip: Fix problems with invalid clock rates
- litex_mmc: Add new DT based driver for the LiteX's LiteSDCard interface
- litex_mmc: Add Gabriel Somlo and Joel Stanley as co-maintainers for LiteX
- mtk-sd: Add support for the Mediatek MT8186 variant
- renesas_sdhi: Add support for RZ/G2UL variant
- renesas_sdhi: Add support for RZ/V2L variant
- rtsx_pci: Adjust power-on sequence to conform to the SD spec
- sdhci-am654: Add support for TI's AM62 variant
- sdhci_am654: Fixup support for TI's AM64 variant
- sdhci-esdhc-imx: Add support for the imx93 variant
- sdhci-msm: Add support for the msm8953 variant
- sdhci-pci-gli: Add support for runtime PM for the GL9763E variant
- sdhci-pci-gli: Adjustments of the SSC function for the GL975x variants
- sdhci-tegra: Add support for wake on SD card event
- sunxi-mmc: Add support for Allwinner's F1c100s variant
- sunxi-mmc: Add support for D1 MMC variant
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Merge tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Convert to sysfs_emit() in favor of sprintf()
- Improve fallback to speed modes if eMMC HS200 fails
MMC host:
- dw_mmc: Allow variants to set minimal supported clock rate
- dw-mmc-rockchip: Fix problems with invalid clock rates
- litex_mmc: Add new DT based driver for the LiteX's LiteSDCard
interface
- litex_mmc: Add Gabriel Somlo and Joel Stanley as co-maintainers for
LiteX
- mtk-sd: Add support for the Mediatek MT8186 variant
- renesas_sdhi: Add support for RZ/G2UL variant
- renesas_sdhi: Add support for RZ/V2L variant
- rtsx_pci: Adjust power-on sequence to conform to the SD spec
- sdhci-am654: Add support for TI's AM62 variant
- sdhci_am654: Fixup support for TI's AM64 variant
- sdhci-esdhc-imx: Add support for the imx93 variant
- sdhci-msm: Add support for the msm8953 variant
- sdhci-pci-gli: Add support for runtime PM for the GL9763E variant
- sdhci-pci-gli: Adjustments of the SSC function for the GL975x
variants
- sdhci-tegra: Add support for wake on SD card event
- sunxi-mmc: Add support for Allwinner's F1c100s variant
- sunxi-mmc: Add support for D1 MMC variant"
* tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (37 commits)
dt-bindings: mmc: renesas,sdhi: Document RZ/G2UL SoC
mmc: tmio: remove outdated members from host struct
mmc: mtk-sd: Silence delay phase calculation debug log
mmc: davinci_mmc: Handle error for clk_enable
mmc: sdhci-pci-gli: Add runtime PM for GL9763E
mmc: core: Drop HS400 caps unless 8-bit bus is supported too
mmc: host: Return an error when ->enable_sdio_irq() ops is missing
mmc: core: Improve fallback to speed modes if eMMC HS200 fails
dt-bindings: mmc: sunxi: add Allwinner F1c100s compatible
mmc: dw-mmc-rockchip: Fix handling invalid clock rates
mmc: dw_mmc: Support setting f_min from host drivers
mmc: host: Drop commas after SoC match table sentinels
mmc: rtsx: add 74 Clocks in power on flow
dt-bindings: mmc: renesas,sdhi: Document RZ/V2L SoC
mmc: sh_mmcif: Simplify division/shift logic
mmc: sdhci_am654: Add Support for TI's AM62 SoC
dt-bindings: mmc: imx-esdhc: Add imx93 compatible string
dt-bindings: mmc: sdhci-am654: Add compatible string for AM62 SoC
mmc: sdhci_am654: Fix the driver data of AM64 SoC
mmc: core: use sysfs_emit() instead of sprintf()
...
atmel,at91sam9-rtc is a confusing name for this file as it is documenting
the RTT used as an RTC and not the other regular RTC (atmel,at91rm9200-rtc
and atmel,at91sam9x5-rtc)
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220308155735.54146-1-alexandre.belloni@bootlin.com
- New user_events interface. User space can register an event with the kernel
describing the format of the event. Then it will receive a byte in a page
mapping that it can check against. A privileged task can then enable that
event like any other event, which will change the mapped byte to true,
telling the user space application to start writing the event to the
tracing buffer.
- Add new "ftrace_boot_snapshot" kernel command line parameter. When set,
the tracing buffer will be saved in the snapshot buffer at boot up when
the kernel hands things over to user space. This will keep the traces that
happened at boot up available even if user space boot up has tracing as
well.
- Have TRACE_EVENT_ENUM() also update trace event field type descriptions.
Thus if a static array defines its size with an enum, the user space trace
event parsers can still know how to parse that array.
- Add new TRACE_CUSTOM_EVENT() macro. This acts the same as the
TRACE_EVENT() macro, but will attach to an existing tracepoint. This will
make one tracepoint be able to trace different content and not be stuck at
only what the original TRACE_EVENT() macro exports.
- Fixes to tracing error logging.
- Better saving of cmdlines to PIDs when tracing (use the wakeup events for
mapping).
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Merge tag 'trace-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- New user_events interface. User space can register an event with the
kernel describing the format of the event. Then it will receive a
byte in a page mapping that it can check against. A privileged task
can then enable that event like any other event, which will change
the mapped byte to true, telling the user space application to start
writing the event to the tracing buffer.
- Add new "ftrace_boot_snapshot" kernel command line parameter. When
set, the tracing buffer will be saved in the snapshot buffer at boot
up when the kernel hands things over to user space. This will keep
the traces that happened at boot up available even if user space boot
up has tracing as well.
- Have TRACE_EVENT_ENUM() also update trace event field type
descriptions. Thus if a static array defines its size with an enum,
the user space trace event parsers can still know how to parse that
array.
- Add new TRACE_CUSTOM_EVENT() macro. This acts the same as the
TRACE_EVENT() macro, but will attach to an existing tracepoint. This
will make one tracepoint be able to trace different content and not
be stuck at only what the original TRACE_EVENT() macro exports.
- Fixes to tracing error logging.
- Better saving of cmdlines to PIDs when tracing (use the wakeup events
for mapping).
* tag 'trace-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (30 commits)
tracing: Have type enum modifications copy the strings
user_events: Add trace event call as root for low permission cases
tracing/user_events: Use alloc_pages instead of kzalloc() for register pages
tracing: Add snapshot at end of kernel boot up
tracing: Have TRACE_DEFINE_ENUM affect trace event types as well
tracing: Fix strncpy warning in trace_events_synth.c
user_events: Prevent dyn_event delete racing with ioctl add/delete
tracing: Add TRACE_CUSTOM_EVENT() macro
tracing: Move the defines to create TRACE_EVENTS into their own files
tracing: Add sample code for custom trace events
tracing: Allow custom events to be added to the tracefs directory
tracing: Fix last_cmd_set() string management in histogram code
user_events: Fix potential uninitialized pointer while parsing field
tracing: Fix allocation of last_cmd in last_cmd_set()
user_events: Add documentation file
user_events: Add sample code for typical usage
user_events: Add self-test for validator boundaries
user_events: Add self-test for perf_event integration
user_events: Add self-test for dynamic_events integration
user_events: Add self-test for ftrace integration
...
Changes to RTLA:
- Support for adjusting tracing_threashold
- Add -a (auto) option to make it easier for users to debug in the field
- Add -e option to add more events to the trace
- Add --trigger option to add triggers to events
- Add --filter option to filter events
- Add support to save histograms to the file
- Add --dma-latency to set /dev/cpu_dma_latency
- Other fixes and cleanups
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Merge tag 'trace-rtla-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull RTLA tracing tool updates from Steven Rostedt:
"Real Time Analysis Tool updatesfor 5.18:
- Support for adjusting tracing_threashold
- Add -a (auto) option to make it easier for users to debug in the field
- Add -e option to add more events to the trace
- Add --trigger option to add triggers to events
- Add --filter option to filter events
- Add support to save histograms to the file
- Add --dma-latency to set /dev/cpu_dma_latency
- Other fixes and cleanups"
* tag 'trace-rtla-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
rtla: Tools main loop cleanup
rtla/timerlat: Add --dma-latency option
rtla/osnoise: Fix osnoise hist stop tracing message
rtla: Check for trace off also in the trace instance
rtla/trace: Save event histogram output to a file
rtla: Add --filter support
rtla/trace: Add trace event filter helpers
rtla: Add --trigger support
rtla/trace: Add trace event trigger helpers
rtla: Add -e/--event support
rtla/trace: Add trace events helpers
rtla/timerlat: Add the automatic trace option
rtla/osnoise: Add the automatic trace option
rtla/osnoise: Add an option to set the threshold
rtla/osnoise: Add support to adjust the tracing_thresh
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Merge tag 'printk-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Make %pK behave the same as %p for kptr_restrict == 0 also with
no_hash_pointers parameter
- Ignore the default console in the device tree also when console=null
or console="" is used on the command line
- Document console=null and console="" behavior
- Prevent a deadlock and a livelock caused by console_lock in panic()
- Make console_lock available for panicking CPU
- Fast query for the next to-be-used sequence number
- Use the expected return values in printk.devkmsg __setup handler
- Use the correct atomic operations in wake_up_klogd() irq_work handler
- Avoid possible unaligned access when handling %4cc printing format
* tag 'printk-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: fix return value of printk.devkmsg __setup handler
vsprintf: Fix %pK with kptr_restrict == 0
printk: make suppress_panic_printk static
printk: Set console_set_on_cmdline=1 when __add_preferred_console() is called with user_specified == true
Docs: printk: add 'console=null|""' to admin/kernel-parameters
printk: use atomic updates for klogd work
printk: Drop console_sem during panic
printk: Avoid livelock with heavy printk during panic
printk: disable optimistic spin during panic
printk: Add panic_in_progress helper
vsprintf: Move space out of string literals in fourcc_string()
vsprintf: Fix potential unaligned access
printk: ringbuffer: Improve prb_next_seq() performance
* Rework of_get_nand_bus_width()
* Remove of_get_nand_on_flash_bbt() wrapper
* Protect access to rawnand devices while in suspend
* bindings: Document the wp-gpios property
Rax NAND controller driver changes:
* atmel: Fix refcount issue in atmel_nand_controller_init
* nandsim:
- Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
- Merge repeat codes in ns_switch_state
- Replace overflow check with kzalloc to single kcalloc
* rockchip: Fix platform_get_irq.cocci warning
* stm32_fmc2: Add NAND Write Protect support
* pl353: Set the nand chip node as the flash node
* brcmnand: Fix sparse warnings in bcma_nand
* omap_elm: Remove redundant variable 'errors'
* gpmi:
- Support fast edo timings for mx28
- Validate controller clock rate
- Fix controller timings setting
* brcmnand:
- Add BCMA shim
- BCMA controller uses command shift of 0
- Allow platform data instantation
- Add platform data structure for BCMA
- Allow working without interrupts
- Move OF operations out of brcmnand_init_cs()
- Avoid pdev in brcmnand_init_cs()
- Allow SoC to provide I/O operations
- Assign soc as early as possible
Onenand changes:
* Check for error irq
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Merge tag 'nand/for-5.18' into mtd/next
Raw NAND core changes:
* Rework of_get_nand_bus_width()
* Remove of_get_nand_on_flash_bbt() wrapper
* Protect access to rawnand devices while in suspend
* bindings: Document the wp-gpios property
Rax NAND controller driver changes:
* atmel: Fix refcount issue in atmel_nand_controller_init
* nandsim:
- Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
- Merge repeat codes in ns_switch_state
- Replace overflow check with kzalloc to single kcalloc
* rockchip: Fix platform_get_irq.cocci warning
* stm32_fmc2: Add NAND Write Protect support
* pl353: Set the nand chip node as the flash node
* brcmnand: Fix sparse warnings in bcma_nand
* omap_elm: Remove redundant variable 'errors'
* gpmi:
- Support fast edo timings for mx28
- Validate controller clock rate
- Fix controller timings setting
* brcmnand:
- Add BCMA shim
- BCMA controller uses command shift of 0
- Allow platform data instantation
- Add platform data structure for BCMA
- Allow working without interrupts
- Move OF operations out of brcmnand_init_cs()
- Avoid pdev in brcmnand_init_cs()
- Allow SoC to provide I/O operations
- Assign soc as early as possible
Onenand changes:
* Check for error irq
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Add the Microchip LAN966x CPU system registers compatible.
Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220313003122.19155-1-michael@walle.cc
This matches pinctrl.yaml requirement and fixes:
Documentation/devicetree/bindings/mfd/brcm,cru.example.dt.yaml: pin-controller@1c0: $nodename:0: 'pin-controller@1c0' does not match '^(pinctrl|pinmux)(@[0-9a-f]+)?$'
From schema: Documentation/devicetree/bindings/pinctrl/brcm,ns-pinmux.yaml
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220216112928.5330-1-zajec5@gmail.com
'intel,lgm-syscon', 'marvell,armada-3700-usb2-host-misc',
'mediatek,mt8135-pctl-a-syscfg', and 'mediatek,mt8135-pctl-b-syscfg' are
all used in DT binding examples and/or dts files, but are not
documented. Add them to syscon.yaml as they are all trivial cases.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220228221537.1700071-1-robh@kernel.org
Primarily this series converts some of the address_space operations
to take a folio instead of a page.
->is_partially_uptodate() takes a folio instead of a page and changes the
type of the 'from' and 'count' arguments to make it obvious they're bytes.
->invalidatepage() becomes ->invalidate_folio() and has a similar type change.
->launder_page() becomes ->launder_folio()
->set_page_dirty() becomes ->dirty_folio() and adds the address_space as
an argument.
There are a couple of other misc changes up front that weren't worth
separating into their own pull request.
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Merge tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache
Pull filesystem folio updates from Matthew Wilcox:
"Primarily this series converts some of the address_space operations to
take a folio instead of a page.
Notably:
- a_ops->is_partially_uptodate() takes a folio instead of a page and
changes the type of the 'from' and 'count' arguments to make it
obvious they're bytes.
- a_ops->invalidatepage() becomes ->invalidate_folio() and has a
similar type change.
- a_ops->launder_page() becomes ->launder_folio()
- a_ops->set_page_dirty() becomes ->dirty_folio() and adds the
address_space as an argument.
There are a couple of other misc changes up front that weren't worth
separating into their own pull request"
* tag 'folio-5.18b' of git://git.infradead.org/users/willy/pagecache: (53 commits)
fs: Remove aops ->set_page_dirty
fb_defio: Use noop_dirty_folio()
fs: Convert __set_page_dirty_no_writeback to noop_dirty_folio
fs: Convert __set_page_dirty_buffers to block_dirty_folio
nilfs: Convert nilfs_set_page_dirty() to nilfs_dirty_folio()
mm: Convert swap_set_page_dirty() to swap_dirty_folio()
ubifs: Convert ubifs_set_page_dirty to ubifs_dirty_folio
f2fs: Convert f2fs_set_node_page_dirty to f2fs_dirty_node_folio
f2fs: Convert f2fs_set_data_page_dirty to f2fs_dirty_data_folio
f2fs: Convert f2fs_set_meta_page_dirty to f2fs_dirty_meta_folio
afs: Convert afs_dir_set_page_dirty() to afs_dir_dirty_folio()
btrfs: Convert extent_range_redirty_for_io() to use folios
fs: Convert trivial uses of __set_page_dirty_nobuffers to filemap_dirty_folio
btrfs: Convert from set_page_dirty to dirty_folio
fscache: Convert fscache_set_page_dirty() to fscache_dirty_folio()
fs: Add aops->dirty_folio
fs: Remove aops->launder_page
orangefs: Convert launder_page to launder_folio
nfs: Convert from launder_page to launder_folio
fuse: Convert from launder_page to launder_folio
...
- Rewrite how munlock works to massively reduce the contention
on i_mmap_rwsem (Hugh Dickins):
https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/
- Sort out the page refcount mess for ZONE_DEVICE pages (Christoph Hellwig):
https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/
- Convert GUP to use folios and make pincount available for order-1
pages. (Matthew Wilcox)
- Convert a few more truncation functions to use folios (Matthew Wilcox)
- Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew Wilcox)
- Convert rmap_walk to use folios (Matthew Wilcox)
- Convert most of shrink_page_list() to use a folio (Matthew Wilcox)
- Add support for creating large folios in readahead (Matthew Wilcox)
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Merge tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache
Pull folio updates from Matthew Wilcox:
- Rewrite how munlock works to massively reduce the contention on
i_mmap_rwsem (Hugh Dickins):
https://lore.kernel.org/linux-mm/8e4356d-9622-a7f0-b2c-f116b5f2efea@google.com/
- Sort out the page refcount mess for ZONE_DEVICE pages (Christoph
Hellwig):
https://lore.kernel.org/linux-mm/20220210072828.2930359-1-hch@lst.de/
- Convert GUP to use folios and make pincount available for order-1
pages. (Matthew Wilcox)
- Convert a few more truncation functions to use folios (Matthew
Wilcox)
- Convert page_vma_mapped_walk to use PFNs instead of pages (Matthew
Wilcox)
- Convert rmap_walk to use folios (Matthew Wilcox)
- Convert most of shrink_page_list() to use a folio (Matthew Wilcox)
- Add support for creating large folios in readahead (Matthew Wilcox)
* tag 'folio-5.18c' of git://git.infradead.org/users/willy/pagecache: (114 commits)
mm/damon: minor cleanup for damon_pa_young
selftests/vm/transhuge-stress: Support file-backed PMD folios
mm/filemap: Support VM_HUGEPAGE for file mappings
mm/readahead: Switch to page_cache_ra_order
mm/readahead: Align file mappings for non-DAX
mm/readahead: Add large folio readahead
mm: Support arbitrary THP sizes
mm: Make large folios depend on THP
mm: Fix READ_ONLY_THP warning
mm/filemap: Allow large folios to be added to the page cache
mm: Turn can_split_huge_page() into can_split_folio()
mm/vmscan: Convert pageout() to take a folio
mm/vmscan: Turn page_check_references() into folio_check_references()
mm/vmscan: Account large folios correctly
mm/vmscan: Optimise shrink_page_list for non-PMD-sized folios
mm/vmscan: Free non-shmem folios without splitting them
mm/rmap: Constify the rmap_walk_control argument
mm/rmap: Convert rmap_walk() to take a folio
mm: Turn page_anon_vma() into folio_anon_vma()
mm/rmap: Turn page_lock_anon_vma_read() into folio_lock_anon_vma_read()
...
Before DAMON is merged in the mainline, the concept of 'regions update
interval' has generalized to be used as the time interval for update of
any monitoring operations related data structure, but the document has not
updated properly. This commit updates the document for better
consistency.
Link: https://lkml.kernel.org/r/20220222170100.17068-4-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In DAMON's early development stage before it be merged in the mainline, it
was first designed to work exclusively with Idle page tracking to avoid
any interference between each other. Later, but still before be merged in
the mainline, because Idle page tracking is fully under the control of
sysadmins, we made the resolving of conflict as the responsibility of
sysadmins. The document is not updated for the change, though. This
commit updates the document for that.
Link: https://lkml.kernel.org/r/20220222170100.17068-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Docs/damon: Update documents for better consistency".
Some of DAMON document are not properly updated for latest version. This
patchset updates such parts.
This patch (of 3):
DAMON code calls the low level monitoring primitives implementations the
monitoring operations. The documentation would have no problem at still
calling those primitives implementation because there is no real
difference in the concepts, but making it more consistent with the code
would make it better. This commit therefore convert sentences in the doc
specifically pointing the implementations of the primitives to call it
monitoring operations.
Link: https://lkml.kernel.org/r/20220222170100.17068-1-sj@kernel.org
Link: https://lkml.kernel.org/r/20220222170100.17068-2-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A previous commit made init_regions debugfs file to use target index
instead of target id for specifying the target of the init regions. This
commit updates the usage document to reflect the change.
Link: https://lkml.kernel.org/r/20211230100723.2238-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Allow the use of a deferrable timer, which does not force CPU wake-ups
when the system is idle. A consequence is that the sample interval
becomes very unpredictable, to the point that it is not guaranteed that
the KFENCE KUnit test still passes.
Nevertheless, on power-constrained systems this may be preferable, so
let's give the user the option should they accept the above trade-off.
Link: https://lkml.kernel.org/r/20220308141415.3168078-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Zswap has an ability to efficiently store same-value filled pages, which
can be turned on and off using the "same_filled_pages_enabled"
parameter.
However, there is currently no way to enable just this (lightweight)
functionality, while not making use of the whole compressed page storage
machinery.
Add a "non_same_filled_pages_enabled" parameter which allows disabling
handling of pages that aren't same-value filled. This way zswap can be
run in such lightweight same-value filled pages only mode.
Link: https://lkml.kernel.org/r/7dbafa963e8bab43608189abbe2067f4b9287831.1641247624.git.maciej.szmigiero@oracle.com
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
With the advent of various new memory types, some machines will have
multiple types of memory, e.g. DRAM and PMEM (persistent memory). The
memory subsystem of these machines can be called memory tiering system,
because the performance of the different types of memory are usually
different.
In such system, because of the memory accessing pattern changing etc,
some pages in the slow memory may become hot globally. So in this
patch, the NUMA balancing mechanism is enhanced to optimize the page
placement among the different memory types according to hot/cold
dynamically.
In a typical memory tiering system, there are CPUs, fast memory and slow
memory in each physical NUMA node. The CPUs and the fast memory will be
put in one logical node (called fast memory node), while the slow memory
will be put in another (faked) logical node (called slow memory node).
That is, the fast memory is regarded as local while the slow memory is
regarded as remote. So it's possible for the recently accessed pages in
the slow memory node to be promoted to the fast memory node via the
existing NUMA balancing mechanism.
The original NUMA balancing mechanism will stop to migrate pages if the
free memory of the target node becomes below the high watermark. This
is a reasonable policy if there's only one memory type. But this makes
the original NUMA balancing mechanism almost do not work to optimize
page placement among different memory types. Details are as follows.
It's the common cases that the working-set size of the workload is
larger than the size of the fast memory nodes. Otherwise, it's
unnecessary to use the slow memory at all. So, there are almost always
no enough free pages in the fast memory nodes, so that the globally hot
pages in the slow memory node cannot be promoted to the fast memory
node. To solve the issue, we have 2 choices as follows,
a. Ignore the free pages watermark checking when promoting hot pages
from the slow memory node to the fast memory node. This will
create some memory pressure in the fast memory node, thus trigger
the memory reclaiming. So that, the cold pages in the fast memory
node will be demoted to the slow memory node.
b. Define a new watermark called wmark_promo which is higher than
wmark_high, and have kswapd reclaiming pages until free pages reach
such watermark. The scenario is as follows: when we want to promote
hot-pages from a slow memory to a fast memory, but fast memory's free
pages would go lower than high watermark with such promotion, we wake
up kswapd with wmark_promo watermark in order to demote cold pages and
free us up some space. So, next time we want to promote hot-pages we
might have a chance of doing so.
The choice "a" may create high memory pressure in the fast memory node.
If the memory pressure of the workload is high, the memory pressure
may become so high that the memory allocation latency of the workload
is influenced, e.g. the direct reclaiming may be triggered.
The choice "b" works much better at this aspect. If the memory
pressure of the workload is high, the hot pages promotion will stop
earlier because its allocation watermark is higher than that of the
normal memory allocation. So in this patch, choice "b" is implemented.
A new zone watermark (WMARK_PROMO) is added. Which is larger than the
high watermark and can be controlled via watermark_scale_factor.
In addition to the original page placement optimization among sockets,
the NUMA balancing mechanism is extended to be used to optimize page
placement according to hot/cold among different memory types. So the
sysctl user space interface (numa_balancing) is extended in a backward
compatible way as follow, so that the users can enable/disable these
functionality individually.
The sysctl is converted from a Boolean value to a bits field. The
definition of the flags is,
- 0: NUMA_BALANCING_DISABLED
- 1: NUMA_BALANCING_NORMAL
- 2: NUMA_BALANCING_MEMORY_TIERING
We have tested the patch with the pmbench memory accessing benchmark
with the 80:20 read/write ratio and the Gauss access address
distribution on a 2 socket Intel server with Optane DC Persistent
Memory Model. The test results shows that the pmbench score can
improve up to 95.9%.
Thanks Andrew Morton to help fix the document format error.
Link: https://lkml.kernel.org/r/20220221084529.1052339-3-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: zhongjiang-ali <zhongjiang-ali@linux.alibaba.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Feng Tang <feng.tang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "Free the 2nd vmemmap page associated with each HugeTLB
page", v7.
This series can minimize the overhead of struct page for 2MB HugeTLB
pages significantly. It further reduces the overhead of struct page by
12.5% for a 2MB HugeTLB compared to the previous approach, which means
2GB per 1TB HugeTLB. It is a nice gain. Comments and reviews are
welcome. Thanks.
The main implementation and details can refer to the commit log of patch
1. In this series, I have changed the following four helpers, the
following table shows the impact of the overhead of those helpers.
+------------------+-----------------------+
| APIs | head page | tail page |
+------------------+-----------+-----------+
| PageHead() | Y | N |
+------------------+-----------+-----------+
| PageTail() | Y | N |
+------------------+-----------+-----------+
| PageCompound() | N | N |
+------------------+-----------+-----------+
| compound_head() | Y | N |
+------------------+-----------+-----------+
Y: Overhead is increased.
N: Overhead is _NOT_ increased.
It shows that the overhead of those helpers on a tail page don't change
between "hugetlb_free_vmemmap=on" and "hugetlb_free_vmemmap=off". But the
overhead on a head page will be increased when "hugetlb_free_vmemmap=on"
(except PageCompound()). So I believe that Matthew Wilcox's folio series
will help with this.
The users of PageHead() and PageTail() are much less than compound_head()
and most users of PageTail() are VM_BUG_ON(), so I have done some tests
about the overhead of compound_head() on head pages.
I have tested the overhead of calling compound_head() on a head page,
which is 2.11ns (Measure the call time of 10 million times
compound_head(), and then average).
For a head page whose address is not aligned with PAGE_SIZE or a
non-compound page, the overhead of compound_head() is 2.54ns which is
increased by 20%. For a head page whose address is aligned with
PAGE_SIZE, the overhead of compound_head() is 2.97ns which is increased by
40%. Most pages are the former. I do not think the overhead is
significant since the overhead of compound_head() itself is low.
This patch (of 5):
This patch minimizes the overhead of struct page for 2MB HugeTLB pages
significantly. It further reduces the overhead of struct page by 12.5%
for a 2MB HugeTLB compared to the previous approach, which means 2GB per
1TB HugeTLB (2MB type).
After the feature of "Free sonme vmemmap pages of HugeTLB page" is
enabled, the mapping of the vmemmap addresses associated with a 2MB
HugeTLB page becomes the figure below.
HugeTLB struct pages(8 pages) page frame(8 pages)
+-----------+ ---virt_to_page---> +-----------+ mapping to +-----------+---> PG_head
| | | 0 | -------------> | 0 |
| | +-----------+ +-----------+
| | | 1 | -------------> | 1 |
| | +-----------+ +-----------+
| | | 2 | ----------------^ ^ ^ ^ ^ ^
| | +-----------+ | | | | |
| | | 3 | ------------------+ | | | |
| | +-----------+ | | | |
| | | 4 | --------------------+ | | |
| 2MB | +-----------+ | | |
| | | 5 | ----------------------+ | |
| | +-----------+ | |
| | | 6 | ------------------------+ |
| | +-----------+ |
| | | 7 | --------------------------+
| | +-----------+
| |
| |
| |
+-----------+
As we can see, the 2nd vmemmap page frame (indexed by 1) is reused and
remaped. However, the 2nd vmemmap page frame is also can be freed to
the buddy allocator, then we can change the mapping from the figure
above to the figure below.
HugeTLB struct pages(8 pages) page frame(8 pages)
+-----------+ ---virt_to_page---> +-----------+ mapping to +-----------+---> PG_head
| | | 0 | -------------> | 0 |
| | +-----------+ +-----------+
| | | 1 | ---------------^ ^ ^ ^ ^ ^ ^
| | +-----------+ | | | | | |
| | | 2 | -----------------+ | | | | |
| | +-----------+ | | | | |
| | | 3 | -------------------+ | | | |
| | +-----------+ | | | |
| | | 4 | ---------------------+ | | |
| 2MB | +-----------+ | | |
| | | 5 | -----------------------+ | |
| | +-----------+ | |
| | | 6 | -------------------------+ |
| | +-----------+ |
| | | 7 | ---------------------------+
| | +-----------+
| |
| |
| |
+-----------+
After we do this, all tail vmemmap pages (1-7) are mapped to the head
vmemmap page frame (0). In other words, there are more than one page
struct with PG_head associated with each HugeTLB page. We __know__ that
there is only one head page struct, the tail page structs with PG_head are
fake head page structs. We need an approach to distinguish between those
two different types of page structs so that compound_head(), PageHead()
and PageTail() can work properly if the parameter is the tail page struct
but with PG_head.
The following code snippet describes how to distinguish between real and
fake head page struct.
if (test_bit(PG_head, &page->flags)) {
unsigned long head = READ_ONCE(page[1].compound_head);
if (head & 1) {
if (head == (unsigned long)page + 1)
==> head page struct
else
==> tail page struct
} else
==> head page struct
}
We can safely access the field of the @page[1] with PG_head because the
@page is a compound page composed with at least two contiguous pages.
[songmuchun@bytedance.com: restore lost comment changes]
Link: https://lkml.kernel.org/r/20211101031651.75851-1-songmuchun@bytedance.com
Link: https://lkml.kernel.org/r/20211101031651.75851-2-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Barry Song <song.bao.hua@hisilicon.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Chen Huang <chenhuang5@huawei.com>
Cc: Bodeddula Balasubramaniam <bodeddub@amazon.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Xiongchun Duan <duanxiongchun@bytedance.com>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The allocated inode cache is supposed to be added to its memcg list_lru
which should be allocated as well in advance. That can be done by
kmem_cache_alloc_lru() which allocates object and list_lru. The file
systems is main user of it. So introduce alloc_inode_sb() to allocate
file system specific inodes and set up the inode reclaim context
properly. The file system is supposed to use alloc_inode_sb() to
allocate inodes.
In later patches, we will convert all users to the new API.
Link: https://lkml.kernel.org/r/20220228122126.37293-4-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Alex Shi <alexs@kernel.org>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kari Argillander <kari.argillander@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Xiongchun Duan <duanxiongchun@bytedance.com>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
During the integration of PREEMPT_RT support, the code flow around
memcg_check_events() resulted in `twisted code'. Moving the code around
and avoiding then would then lead to an additional local-irq-save
section within memcg_check_events(). While looking better, it adds a
local-irq-save section to code flow which is usually within an
local-irq-off block on non-PREEMPT_RT configurations.
The threshold event handler is a deprecated memcg v1 feature. Instead
of trying to get it to work under PREEMPT_RT just disable it. There
should be no users on PREEMPT_RT. From that perspective it makes even
less sense to get it to work under PREEMPT_RT while having zero users.
Make memory.soft_limit_in_bytes and cgroup.event_control return
-EOPNOTSUPP on PREEMPT_RT. Make an empty memcg_check_events() and
memcg_write_event_control() which return only -EOPNOTSUPP on PREEMPT_RT.
Document that the two knobs are disabled on PREEMPT_RT.
Link: https://lkml.kernel.org/r/20220226204144.1008339-3-bigeasy@linutronix.de
Suggested-by: Michal Hocko <mhocko@kernel.org>
Suggested-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: kernel test robot <oliver.sang@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently memcg stats show several types of kernel memory: kernel stack,
page tables, sock, vmalloc, and slab. However, there are other
allocations with __GFP_ACCOUNT (or supersets such as GFP_KERNEL_ACCOUNT)
that are not accounted in any of those stats, a few examples are:
- various kvm allocations (e.g. allocated pages to create vcpus)
- io_uring
- tmp_page in pipes during pipe_write()
- bpf ringbuffers
- unix sockets
Keeping track of the total kernel memory is essential for the ease of
migration from cgroup v1 to v2 as there are large discrepancies between
v1's kmem.usage_in_bytes and the sum of the available kernel memory
stats in v2. Adding separate memcg stats for all __GFP_ACCOUNT kernel
allocations is an impractical maintenance burden as there a lot of those
all over the kernel code, with more use cases likely to show up in the
future.
Therefore, add a "kernel" memcg stat that is analogous to kmem page
counter, with added benefits such as using rstat infrastructure which
aggregates stats more efficiently. Additionally, this provides a
lighter alternative in case the legacy kmem is deprecated in the future
[yosryahmed@google.com: v2]
Link: https://lkml.kernel.org/r/20220203193856.972500-1-yosryahmed@google.com
Link: https://lkml.kernel.org/r/20220201200823.3283171-1-yosryahmed@google.com
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add some "big-picture" documentation for read-ahead and polish the code
to make it fit this documentation.
The meaning of ->async_size is clarified to match its name. i.e. Any
request to ->readahead() has a sync part and an async part. The caller
will wait for the sync pages to complete, but will not wait for the
async pages. The first async page is still marked PG_readahead
Note that the current function names page_cache_sync_ra() and
page_cache_async_ra() are misleading. All ra request are partly sync
and partly async, so either part can be empty. A page_cache_sync_ra()
request will usually set ->async_size non-zero, implying it is not all
synchronous.
When a non-zero req_count is passed to page_cache_async_ra(), the
implication is that some prefix of the request is synchronous, though
the calculation made there is incorrect - I haven't tried to fix it.
Link: https://lkml.kernel.org/r/164549983734.9187.11586890887006601405.stgit@noble.brown
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Save pointer to device match data instead of copying it (Dmitry
Baryshkov)
- Add ddrss_sf_tbu flag to device match data instead of checking OF
compatible string (Dmitry Baryshkov)
- Add SM8450 SoC PCIe DT bindings (Dmitry Baryshkov)
- Add SM8450 PCIe support (Dmitry Baryshkov)
* remotes/lorenzo/pci/qcom:
PCI: qcom: Add SM8450 PCIe support
PCI: qcom: Add ddrss_sf_tbu flag
PCI: qcom: Remove redundancy between qcom_pcie and qcom_pcie_cfg
dt-bindings: pci: qcom: Document PCIe bindings for SM8450
- Add Pali Rohár as pci-mvebu.c maintainer (Pali Rohár)
- Make struct pci_bridge_emul_ops const (Pali Rohár)
- Rename PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR to
PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD since it doesn't apply to BARs (Pali
Rohár)
- Add new flag PCI_BRIDGE_EMUL_NO_IO_FORWARD for bridges that don't support
IO forwarding (Pali Rohár)
- Add Kconfig help text for CONFIG_PCI_MVEBU (Pali Rohár)
- Remove duplicate nports assignment (Pali Rohár)
- Set PCI_BRIDGE_EMUL_NO_IO_FORWARD when IO is unsupported (Pali Rohár)
- Initialize vendor, device and revision of emulated bridge (Pali Rohár)
- Fix Data Link Layer Link Active reporting on emulated bridge (Pali Rohár)
- Rearrange tests in bridge emulation for easier maintenance (Russell King)
- Add emulated bridge support for PCIe extended capabilities (Russell King)
- Add emulated bridge support for bridge Subsystem Vendor ID capability
(Pali Rohár)
- Configure Maximum Link Width based on DT "num-lanes" property (Pali
Rohár)
- Emulate bridge Subsystem Vendor ID capability (Pali Rohár)
- Emulate AER Capability (Pali Rohár)
- Use PCI core bridge->ops and bridge->child_ops to separate config
accesses to Root Port vs downstream devices (Pali Rohár)
- Unmask all INTx interrupts; they're reported via a single shared GIC
source (Pali Rohár)
- Add INTx support (Pali Rohár)
* remotes/lorenzo/pci/mvebu:
PCI: mvebu: Implement support for legacy INTx interrupts
PCI: mvebu: Fix macro names and comments about legacy interrupts
dt-bindings: PCI: mvebu: Update information about intx interrupts
PCI: mvebu: Use child_ops API
PCI: mvebu: Add support for Advanced Error Reporting registers on emulated bridge
PCI: mvebu: Add support for PCI Bridge Subsystem Vendor ID on emulated bridge
PCI: mvebu: Correctly configure x1/x4 mode
dt-bindings: PCI: mvebu: Add num-lanes property
PCI: pci-bridge-emul: Add support for PCI Bridge Subsystem Vendor ID capability
PCI: pci-bridge-emul: Add support for PCIe extended capabilities
PCI: pci-bridge-emul: Re-arrange register tests
PCI: mvebu: Fix reporting Data Link Layer Link Active on emulated bridge
PCI: mvebu: Update comment for PCI_EXP_LNKCTL register on emulated bridge
PCI: mvebu: Update comment for PCI_EXP_LNKCAP register on emulated bridge
PCI: mvebu: Properly initialize vendor, device and revision of emulated bridge
PCI: mvebu: Set PCI_BRIDGE_EMUL_NO_IO_FORWARD when IO is unsupported
PCI: mvebu: Remove duplicate nports assignment
PCI: mvebu: Add help string for CONFIG_PCI_MVEBU option
PCI: pci-bridge-emul: Add support for new flag PCI_BRIDGE_EMUL_NO_IO_FORWARD
PCI: pci-bridge-emul: Rename PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR to PCI_BRIDGE_EMUL_NO_PREFMEM_FORWARD
PCI: pci-bridge-emul: Make struct pci_bridge_emul_ops as const
MAINTAINERS: Add Pali Rohár as pci-mvebu.c maintainer
- Cleanups for SCHED_DEADLINE
- Tracing updates/fixes
- CPU Accounting fixes
- First wave of changes to optimize the overhead of the scheduler build,
from the fast-headers tree - including placeholder *_api.h headers for
later header split-ups.
- Preempt-dynamic using static_branch() for ARM64
- Isolation housekeeping mask rework; preperatory for further changes
- NUMA-balancing: deal with CPU-less nodes
- NUMA-balancing: tune systems that have multiple LLC cache domains per node (eg. AMD)
- Updates to RSEQ UAPI in preparation for glibc usage
- Lots of RSEQ/selftests, for same
- Add Suren as PSI co-maintainer
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- Cleanups for SCHED_DEADLINE
- Tracing updates/fixes
- CPU Accounting fixes
- First wave of changes to optimize the overhead of the scheduler
build, from the fast-headers tree - including placeholder *_api.h
headers for later header split-ups.
- Preempt-dynamic using static_branch() for ARM64
- Isolation housekeeping mask rework; preperatory for further changes
- NUMA-balancing: deal with CPU-less nodes
- NUMA-balancing: tune systems that have multiple LLC cache domains per
node (eg. AMD)
- Updates to RSEQ UAPI in preparation for glibc usage
- Lots of RSEQ/selftests, for same
- Add Suren as PSI co-maintainer
* tag 'sched-core-2022-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (81 commits)
sched/headers: ARM needs asm/paravirt_api_clock.h too
sched/numa: Fix boot crash on arm64 systems
headers/prep: Fix header to build standalone: <linux/psi.h>
sched/headers: Only include <linux/entry-common.h> when CONFIG_GENERIC_ENTRY=y
cgroup: Fix suspicious rcu_dereference_check() usage warning
sched/preempt: Tell about PREEMPT_DYNAMIC on kernel headers
sched/topology: Remove redundant variable and fix incorrect type in build_sched_domains
sched/deadline,rt: Remove unused parameter from pick_next_[rt|dl]_entity()
sched/deadline,rt: Remove unused functions for !CONFIG_SMP
sched/deadline: Use __node_2_[pdl|dle]() and rb_first_cached() consistently
sched/deadline: Merge dl_task_can_attach() and dl_cpu_busy()
sched/deadline: Move bandwidth mgmt and reclaim functions into sched class source file
sched/deadline: Remove unused def_dl_bandwidth
sched/tracing: Report TASK_RTLOCK_WAIT tasks as TASK_UNINTERRUPTIBLE
sched/tracing: Don't re-read p->state when emitting sched_switch event
sched/rt: Plug rt_mutex_setprio() vs push_rt_task() race
sched/cpuacct: Remove redundant RCU read lock
sched/cpuacct: Optimize away RCU read lock
sched/cpuacct: Fix charge percpu cpuusage
sched/headers: Reorganize, clean up and optimize kernel/sched/sched.h dependencies
...
This fixes the near-silence of the headphone jack on the ALC256-based
Samsung Galaxy Book Flex Alpha (NP730QCJ). The magic verbs were found
through trial and error, using known ALC298 hacks as inspiration. The
fixup is auto-enabled only when the NP730QCJ is detected. It can be
manually enabled using model=alc256-samsung-headphone.
Signed-off-by: Matt Kramer <mccleetus@gmail.com>
Link: https://lore.kernel.org/r/3168355.aeNJFYEL58@linus
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Alexei Starovoitov says:
====================
pull-request: bpf-next 2022-03-21 v2
We've added 137 non-merge commits during the last 17 day(s) which contain
a total of 143 files changed, 7123 insertions(+), 1092 deletions(-).
The main changes are:
1) Custom SEC() handling in libbpf, from Andrii.
2) subskeleton support, from Delyan.
3) Use btf_tag to recognize __percpu pointers in the verifier, from Hao.
4) Fix net.core.bpf_jit_harden race, from Hou.
5) Fix bpf_sk_lookup remote_port on big-endian, from Jakub.
6) Introduce fprobe (multi kprobe) _without_ arch bits, from Masami.
The arch specific bits will come later.
7) Introduce multi_kprobe bpf programs on top of fprobe, from Jiri.
8) Enable non-atomic allocations in local storage, from Joanne.
9) Various var_off ptr_to_btf_id fixed, from Kumar.
10) bpf_ima_file_hash helper, from Roberto.
11) Add "live packet" mode for XDP in BPF_PROG_RUN, from Toke.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (137 commits)
selftests/bpf: Fix kprobe_multi test.
Revert "rethook: x86: Add rethook x86 implementation"
Revert "arm64: rethook: Add arm64 rethook implementation"
Revert "powerpc: Add rethook support"
Revert "ARM: rethook: Add rethook arm implementation"
bpftool: Fix a bug in subskeleton code generation
bpf: Fix bpf_prog_pack when PMU_SIZE is not defined
bpf: Fix bpf_prog_pack for multi-node setup
bpf: Fix warning for cast from restricted gfp_t in verifier
bpf, arm: Fix various typos in comments
libbpf: Close fd in bpf_object__reuse_map
bpftool: Fix print error when show bpf map
bpf: Fix kprobe_multi return probe backtrace
Revert "bpf: Add support to inline bpf_get_func_ip helper on x86"
bpf: Simplify check in btf_parse_hdr()
selftests/bpf/test_lirc_mode2.sh: Exit with proper code
bpf: Check for NULL return from bpf_get_btf_vmlinux
selftests/bpf: Test skipping stacktrace
bpf: Adjust BPF stack helper functions to accommodate skip > 0
bpf: Select proper size for bpf_prog_pack
...
====================
Link: https://lore.kernel.org/r/20220322050159.5507-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
more bug fixes and clean ups in the ext4 fast_commit feature (most
notably, in the tracepoints). In the jbd2 layer, the t_handle_lock
spinlock has been removed, with the last place where it was actually
needed replaced with an atomic cmpxchg.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Fix some bugs in converting ext4 to use the new mount API, as well as
more bug fixes and clean ups in the ext4 fast_commit feature (most
notably, in the tracepoints).
In the jbd2 layer, the t_handle_lock spinlock has been removed, with
the last place where it was actually needed replaced with an atomic
cmpxchg"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (35 commits)
ext4: fix kernel doc warnings
ext4: fix remaining two trace events to use same printk convention
ext4: add commit tid info in ext4_fc_commit_start/stop trace events
ext4: add commit_tid info in jbd debug log
ext4: add transaction tid info in fc_track events
ext4: add new trace event in ext4_fc_cleanup
ext4: return early for non-eligible fast_commit track events
ext4: do not call FC trace event in ext4_fc_commit() if FS does not support FC
ext4: convert ext4_fc_track_dentry type events to use event class
ext4: fix ext4_fc_stats trace point
ext4: remove unused enum EXT4_FC_COMMIT_FAILED
ext4: warn when dirtying page w/o buffers in data=journal mode
doc: fixed a typo in ext4 documentation
ext4: make mb_optimize_scan performance mount option work with extents
ext4: make mb_optimize_scan option work with set/unset mount cmd
ext4: don't BUG if someone dirty pages without asking ext4 first
ext4: remove redundant assignment to variable split_flag1
ext4: fix underflow in ext4_max_bitmap_size()
ext4: fix ext4_mb_clear_bb() kernel-doc comment
ext4: fix fs corruption when tring to remove a non-empty directory with IO error
...
- NFSv3 support in NFSD is now always built
- Added NFSD support for the NFSv4 birth-time file attribute
- Added support for storing and displaying sockaddrs in trace points
- NFSD now recognizes RPC_AUTH_TLS probes
Performance improvements:
- Optimized the svc transport enqueuing mechanism
- Added micro-optimizations for the duplicate reply cache
Notable bug fixes:
- Allocation of the NFSD file cache hash table is more reliable
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Merge tag 'nfsd-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd updates from Chuck Lever:
"New features:
- NFSv3 support in NFSD is now always built
- Added NFSD support for the NFSv4 birth-time file attribute
- Added support for storing and displaying sockaddrs in trace points
- NFSD now recognizes RPC_AUTH_TLS probes
Performance improvements:
- Optimized the svc transport enqueuing mechanism
- Added micro-optimizations for the duplicate reply cache
Notable bug fixes:
- Allocation of the NFSD file cache hash table is more reliable"
* tag 'nfsd-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (30 commits)
nfsd: fix using the correct variable for sizeof()
nfsd: use correct format characters
NFSD: prevent integer overflow on 32 bit systems
NFSD: prevent underflow in nfssvc_decode_writeargs()
fs/lock: documentation cleanup. Replace inode->i_lock with flc_lock.
NFSD: Fix nfsd_breaker_owns_lease() return values
NFSD: Clean up _lm_ operation names
arch: Remove references to CONFIG_NFSD_V3 in the default configs
NFSD: Remove CONFIG_NFSD_V3
nfsd: more robust allocation failure handling in nfsd_file_cache_init
SUNRPC: Teach server to recognize RPC_AUTH_TLS
NFSD: Move svc_serv_ops::svo_function into struct svc_serv
NFSD: Remove svc_serv_ops::svo_module
SUNRPC: Remove svc_shutdown_net()
SUNRPC: Rename svc_close_xprt()
SUNRPC: Rename svc_create_xprt()
SUNRPC: Remove svo_shutdown method
SUNRPC: Merge svc_do_enqueue_xprt() into svc_enqueue_xprt()
SUNRPC: Remove the .svo_enqueue_xprt method
SUNRPC: Record endpoint information in trace log
...
In this cycle, f2fs has some performance improvements for Android workloads such
as using read-unfair rwsems and adding some sysfs entries to control GCs and
discard commands in more details. In addtiion, it has some tunings to improve
the recovery speed after sudden power-cut.
Enhancement:
- add reader-unfair rwsems with F2FS_UNFAIR_RWSEM
: will replace with generic API support
- adjust to make the readahead/recovery flow more efficiently
- sysfs entries to control issue speeds of GCs and Discard commands
- enable idmapped mounts
Bug fix:
- correct wrong error handling routines
- fix missing conditions in quota
- fix a potential deadlock between writeback and block plug routines
- fix a deadlock btween freezefs and evict_inode
We've added some boundary checks to avoid kernel panics on corrupted images,
and several minor code clean-ups.
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Merge tag 'f2fs-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, f2fs has some performance improvements for Android
workloads such as using read-unfair rwsems and adding some sysfs
entries to control GCs and discard commands in more details. In
addtiion, it has some tunings to improve the recovery speed after
sudden power-cut.
Enhancement:
- add reader-unfair rwsems with F2FS_UNFAIR_RWSEM: will replace with
generic API support
- adjust to make the readahead/recovery flow more efficiently
- sysfs entries to control issue speeds of GCs and Discard commands
- enable idmapped mounts
Bug fix:
- correct wrong error handling routines
- fix missing conditions in quota
- fix a potential deadlock between writeback and block plug routines
- fix a deadlock btween freezefs and evict_inode
We've added some boundary checks to avoid kernel panics on corrupted
images, and several minor code clean-ups"
* tag 'f2fs-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (27 commits)
f2fs: fix to do sanity check on .cp_pack_total_block_count
f2fs: make gc_urgent and gc_segment_mode sysfs node readable
f2fs: use aggressive GC policy during f2fs_disable_checkpoint()
f2fs: fix compressed file start atomic write may cause data corruption
f2fs: initialize sbi->gc_mode explicitly
f2fs: introduce gc_urgent_mid mode
f2fs: compress: fix to print raw data size in error path of lz4 decompression
f2fs: remove redundant parameter judgment
f2fs: use spin_lock to avoid hang
f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs
f2fs: remove unnecessary read for F2FS_FITS_IN_INODE
f2fs: introduce F2FS_UNFAIR_RWSEM to support unfair rwsem
f2fs: avoid an infinite loop in f2fs_sync_dirty_inodes
f2fs: fix to do sanity check on curseg->alloc_type
f2fs: fix to avoid potential deadlock
f2fs: quota: fix loop condition at f2fs_quota_sync()
f2fs: Restore rwsem lockdep support
f2fs: fix missing free nid in f2fs_handle_failed_inode
f2fs: support idmapped mounts
f2fs: add a way to limit roll forward recovery time
...
- Avoid using page structure directly for all uncompressed paths;
- Fix a double-free issue when sysfs initialization fails;
- Complete DAX description for erofs;
- Use mtime instead since there's no (easy) way for users to control
ctime;
- Several code cleanups.
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Merge tag 'erofs-for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, we continue converting to use meta buffers for all
remaining uncompressed paths to prepare for the upcoming subpage,
folio and fscache features.
We also fixed a double-free issue when sysfs initialization fails,
which was reported by syzbot.
Besides, in order for the userspace to control per-file timestamp
easier, we now switch to record mtime instead of ctime with a
compatible feature marked. And there are also some code cleanups and
documentation update as usual.
Summary:
- Avoid using page structure directly for all uncompressed paths
- Fix a double-free issue when sysfs initialization fails
- Complete DAX description for erofs
- Use mtime instead since there's no (easy) way for users to control
ctime
- Several code cleanups"
* tag 'erofs-for-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: rename ctime to mtime
erofs: use meta buffers for inode lookup
erofs: use meta buffers for reading directories
fs: erofs: add sanity check for kobject in erofs_unregister_sysfs
erofs: refine managed inode stuffs
erofs: clean up z_erofs_extent_lookback
erofs: silence warnings related to impossible m_plen
Documentation/filesystem/dax: update DAX description on erofs
erofs: clean up preload_compressed_pages()
erofs: get rid of `struct z_erofs_collector'
erofs: use meta buffers for erofs_read_superblock()
Add support for direct I/O on encrypted files when blk-crypto (inline
encryption) is being used for file contents encryption.
There will be a merge conflict with the block pull request in
fs/iomap/direct-io.c, due to some bio interface cleanups. The merge
resolution is straightforward and can be found in linux-next.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"Add support for direct I/O on encrypted files when blk-crypto (inline
encryption) is being used for file contents encryption"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: update documentation for direct I/O support
f2fs: support direct I/O with fscrypt using blk-crypto
ext4: support direct I/O with fscrypt using blk-crypto
iomap: support direct I/O with fscrypt using blk-crypto
fscrypt: add functions for direct I/O support
Document the compatible for the UFS found on SM6350.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220321133318.99406-2-luca.weiss@fairphone.com
Pull OPP (Operating Performance Points) changes for 5.18-rc1 from
Viresh Kumar:
"- Introduce opp-microwatt property to the OPP core, bindings, etc (Lukasz
Luba).
- Convert DT bindings to schema format and various related fixes (Yassine
Oudjana).
- Expose OPP's OF node in debugfs (Viresh Kumar)."
* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
Documentation: EM: Describe new registration method using DT
OPP: Add support of "opp-microwatt" for EM registration
PM: EM: add macro to set .active_power() callback conditionally
OPP: Add "opp-microwatt" supporting code
dt-bindings: opp: Add "opp-microwatt" entry in the OPP
dt-bindings: power: avs: qcom,cpr: Convert to DT schema
arm64: dts: qcom: qcs404: Rename CPU and CPR OPP tables
arm64: dts: qcom: msm8996: Rename cluster OPP tables
dt-bindings: opp: Convert qcom-nvmem-cpufreq to DT schema
dt-bindings: opp: qcom-opp: Convert to DT schema
arm64: dts: qcom: msm8996-mtp: Add msm8996 compatible
dt-bindings: arm: qcom: Add msm8996 and apq8096 compatibles
opp: Expose of-node's name in debugfs
Pull ARM cpufreq updates for 5.18-rc1 fron Viresh Kumar:
"- Add per core DVFS support for QCom SoC (Bjorn Andersson), convert to yaml
binding (Manivannan Sadhasivam) and various other fixes to the QCom drivers
(Luca Weiss).
- Add OPP table for imx7s SoC (Denys Drozdov) and minor fixes (Stefan Agner).
- Fix CPPC driver's freq/performance conversions (Pierre Gondois).
- Minor generic cleanups (Yury Norov)."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
dt-bindings: cpufreq: cpufreq-qcom-hw: Convert to YAML bindings
dt-bindings: dvfs: Use MediaTek CPUFREQ HW as an example
cpufreq: blocklist Qualcomm sc8280xp and sa8540p in cpufreq-dt-platdev
cpufreq: qcom-hw: Add support for per-core-dcvs
cpufreq: CPPC: Fix performance/frequency conversion
cpufreq: Add i.MX7S to cpufreq-dt-platdev blocklist
ARM: dts: imx7s: Define operating points table for cpufreq
cpufreq: qcom-cpufreq-nvmem: fix reading of PVS Valid fuse
cpufreq: replace cpumask_weight with cpumask_empty where appropriate
Nathan Chancellor