Pull ibft update from Konrad Rzeszutek Wilk:
"Adhere to the iBFT spec and extend the structure to handle more
than two NICs"
* 'stable/for-linus-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
iscsi_ibft: Don't limits Targets and NICs to two
the normal collection of driver updates to support new SoCs, fix incorrect
data, and convert various drivers to clk_hw based APIs.
In the core, we allow clk_ops::init() to return an error code now so that we
can fail clk registration if the callback does something like fail to allocate
memory. We also add a new "terminate" clk_op so that things done in
clk_ops::init() can be undone, e.g. free memory. We also spit out a warning now
when critical clks fail to enable and we support changing clk rates and
enable/disable state through debugfs when developers compile the kernel
themselves.
On the driver front, we get support for what seems like a lot of Qualcomm and
NXP SoCs given that those vendors dominate the diffstat. There are a couple new
drivers for Xilinx and Amlogic SoCs too. The updates are all small things like
fixing the way glitch free muxes switch parents, avoiding div-by-zero problems,
or fixing data like parent names. See the updates section below for more
details.
Finally, the "basic" clk types have been converted to support specifying
parents with clk_hw pointers. This work includes an overhaul of the fixed-rate
clk type to be more modern by using clk_hw APIs.
Core:
- Let clk_ops::init() return an error code
- Add a clk_ops::terminate() callback to undo clk_ops::init()
- Warn about critical clks that fail to enable or prepare
- Support dangerous debugfs actions on clks with dead code
New Drivers:
- Support for Xilinx Versal platform clks
- Display clk controller on qcom sc7180
- Video clk controller on qcom sc7180
- Graphics clk controller on qcom sc7180
- CPU PLLs for qcom msm8916
- Move qcom msm8974 gfx3d clk to RPM control
- Display port clk support on qcom sdm845 SoCs
- Global clk controller on qcom ipq6018
- Add a driver for BCLK of Freescale SAI cores
- Add cam, vpe and sgx clock support for TI dra7
- Add aess clock support for TI omap5
- Enable clks for CPUfreq on Allwinner A64 SoCs
- Add Amlogic meson8b DDR clock controller
- Add input clocks to Amlogic meson8b controllers
- Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
- i.MX8MP clk driver support
Updates:
- Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs
- Detect more PRMCU variants in ux500 driver
- Adjust the composite clk type to new way of describing clk parents
- Fixes for clk controllers on qcom msm8998 SoCs
- Fix gmac main clock for TI dra7
- Move TI dra7-atl clock header to correct location
- Fix hidden node name dependency on TI clkctrl clocks
- Fix Amlogic meson8b mali clock update using the glitch free mux
- Fix Amlogic pll driver division by zero at init
- Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config symbols
- Switch more i.MX clk drivers to clk_hw based APIs
- Disable non-functional divider between pll4_audio_div and
pll4_post_div on imx6q
- Fix watchdog2 clock name typo in imx7ulp clock driver
- Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M SoCs
- Suppress bind attrs for i.MX8M clock driver
- Add a big comment in imx8qxp-lpcg driver to tell why
devm_platform_ioremap_resource() shouldn't be used for the driver
- A correction on i.MX8MN usb1_ctrl parent clock setting
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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 are a few changes to the core framework this time around, in
addition to the normal collection of driver updates to support new
SoCs, fix incorrect data, and convert various drivers to clk_hw based
APIs.
In the core, we allow clk_ops::init() to return an error code now so
that we can fail clk registration if the callback does something like
fail to allocate memory. We also add a new "terminate" clk_op so that
things done in clk_ops::init() can be undone, e.g. free memory. We
also spit out a warning now when critical clks fail to enable and we
support changing clk rates and enable/disable state through debugfs
when developers compile the kernel themselves.
On the driver front, we get support for what seems like a lot of
Qualcomm and NXP SoCs given that those vendors dominate the diffstat.
There are a couple new drivers for Xilinx and Amlogic SoCs too. The
updates are all small things like fixing the way glitch free muxes
switch parents, avoiding div-by-zero problems, or fixing data like
parent names. See the updates section below for more details.
Finally, the "basic" clk types have been converted to support
specifying parents with clk_hw pointers. This work includes an
overhaul of the fixed-rate clk type to be more modern by using clk_hw
APIs.
Core:
- Let clk_ops::init() return an error code
- Add a clk_ops::terminate() callback to undo clk_ops::init()
- Warn about critical clks that fail to enable or prepare
- Support dangerous debugfs actions on clks with dead code
New Drivers:
- Support for Xilinx Versal platform clks
- Display clk controller on qcom sc7180
- Video clk controller on qcom sc7180
- Graphics clk controller on qcom sc7180
- CPU PLLs for qcom msm8916
- Move qcom msm8974 gfx3d clk to RPM control
- Display port clk support on qcom sdm845 SoCs
- Global clk controller on qcom ipq6018
- Add a driver for BCLK of Freescale SAI cores
- Add cam, vpe and sgx clock support for TI dra7
- Add aess clock support for TI omap5
- Enable clks for CPUfreq on Allwinner A64 SoCs
- Add Amlogic meson8b DDR clock controller
- Add input clocks to Amlogic meson8b controllers
- Add SPIBSC (SPI FLASH) clock on Renesas RZ/A2
- i.MX8MP clk driver support
Updates:
- Convert gpio, fixed-factor, mux, gate, divider basic clks to hw
based APIs
- Detect more PRMCU variants in ux500 driver
- Adjust the composite clk type to new way of describing clk parents
- Fixes for clk controllers on qcom msm8998 SoCs
- Fix gmac main clock for TI dra7
- Move TI dra7-atl clock header to correct location
- Fix hidden node name dependency on TI clkctrl clocks
- Fix Amlogic meson8b mali clock update using the glitch free mux
- Fix Amlogic pll driver division by zero at init
- Prepare for split of Renesas R-Car H3 ES1.x and ES2.0+ config
symbols
- Switch more i.MX clk drivers to clk_hw based APIs
- Disable non-functional divider between pll4_audio_div and
pll4_post_div on imx6q
- Fix watchdog2 clock name typo in imx7ulp clock driver
- Set CLK_GET_RATE_NOCACHE flag for DRAM related clocks on i.MX8M
SoCs
- Suppress bind attrs for i.MX8M clock driver
- Add a big comment in imx8qxp-lpcg driver to tell why
devm_platform_ioremap_resource() shouldn't be used for the driver
- A correction on i.MX8MN usb1_ctrl parent clock setting"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (140 commits)
dt/bindings: clk: fsl,plldig: Drop 'bindings' from schema id
clk: ls1028a: Fix warning on clamp() usage
clk: qoriq: add ls1088a hwaccel clocks support
clk: ls1028a: Add clock driver for Display output interface
dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
clk: fsl-sai: new driver
dt-bindings: clock: document the fsl-sai driver
clk: composite: add _register_composite_pdata() variants
clk: qcom: rpmh: Sort OF match table
dt-bindings: fix warnings in validation of qcom,gcc.yaml
dt-binding: fix compilation error of the example in qcom,gcc.yaml
clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
clk: zynqmp: Fix divider calculation
clk: zynqmp: Add support for get max divider
clk: zynqmp: Warn user if clock user are more than allowed
clk: zynqmp: Extend driver for versal
dt-bindings: clock: Add bindings for versal clock driver
clk: ti: clkctrl: Fix hidden dependency to node name
clk: ti: add clkctrl data dra7 sgx
clk: ti: omap5: Add missing AESS clock
...
Having 'bindings' in here causes a warning when checking the schema.
Documentation/devicetree/bindings/clock/fsl,plldig.yaml:
$id: relative path/filename doesn't match actual path or filename
expected: http://devicetree.org/schemas/clock/fsl,plldig.yaml#
Remove it.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Wen He <wen.he_1@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20200203052507.93215-2-sboyd@kernel.org
Acked-by: Rob Herring <robh@kernel.org>
These constants are used in clamp() with the value being clamped an
unsigned long. Make them unsigned long defines so that clamp() doesn't
complain about comparing different types.
In file included from include/linux/list.h:9,
from include/linux/kobject.h:19,
from include/linux/of.h:17,
from include/linux/clk-provider.h:9,
from drivers/clk/clk-plldig.c:8:
drivers/clk/clk-plldig.c: In function 'plldig_determine_rate':
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
|
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Wen He <wen.he_1@nxp.com>
Fixes: d37010a3c1 ("clk: ls1028a: Add clock driver for Display output interface")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20200203052507.93215-1-sboyd@kernel.org
Since commit ddd09bcc89 ("initramfs: make compression options not
depend on INITRAMFS_SOURCE"), Kconfig asks the compression mode for
the built-in initramfs regardless of INITRAMFS_SOURCE.
It is technically simpler, but pointless from a UI perspective,
Linus says [1].
When INITRAMFS_SOURCE is empty, usr/Makefile creates a tiny default
cpio, which is so small that nobody cares about the compression.
This commit hides the Kconfig choice in that case. The default cpio
is embedded without compression, which was the original behavior.
[1]: https://lkml.org/lkml/2020/2/1/160
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull more btrfs updates from David Sterba:
"Fixes that arrived after the merge window freeze, mostly stable
material.
- fix race in tree-mod-log element tracking
- fix bio flushing inside extent writepages
- fix assertion when in-memory tracking of discarded extents finds an
empty tree (eg. after adding a new device)
- update logic of temporary read-only block groups to take into
account overcommit
- fix some fixup worker corner cases:
- page could not go through proper COW cycle and the dirty status
is lost due to page migration
- deadlock if delayed allocation is performed under page lock
- fix send emitting invalid clones within the same file
- fix statfs reporting 0 free space when global block reserve size is
larger than remaining free space but there is still space for new
chunks"
* tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: do not zero f_bavail if we have available space
Btrfs: send, fix emission of invalid clone operations within the same file
btrfs: do not do delalloc reservation under page lock
btrfs: drop the -EBUSY case in __extent_writepage_io
Btrfs: keep pages dirty when using btrfs_writepage_fixup_worker
btrfs: take overcommit into account in inc_block_group_ro
btrfs: fix force usage in inc_block_group_ro
btrfs: Correctly handle empty trees in find_first_clear_extent_bit
btrfs: flush write bio if we loop in extent_write_cache_pages
Btrfs: fix race between adding and putting tree mod seq elements and nodes
Everything for kgdb this time around is either simplifications or clean
ups.
In particular Douglas Anderson's modifications to the backtrace machine
in the *last* dev cycle have enabled Doug to tidy up some MIPS specific
backtrace code and stop sharing certain data structures across the
kernel. Note that The MIPS folks were on Cc: for the MIPS patch and
reacted positively (but without an explicit Acked-by).
Doug also got rid of the implicit switching between tasks and register
sets during some but not of kdb's backtrace actions (because the
implicit switching was either confusing for users, pointless or both).
Finally there is a coverity fix and patch to replace open coded console
traversal with the proper helper function.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"Everything for kgdb this time around is either simplifications or
clean ups.
In particular Douglas Anderson's modifications to the backtrace
machine in the *last* dev cycle have enabled Doug to tidy up some MIPS
specific backtrace code and stop sharing certain data structures
across the kernel. Note that The MIPS folks were on Cc: for the MIPS
patch and reacted positively (but without an explicit Acked-by).
Doug also got rid of the implicit switching between tasks and register
sets during some but not of kdb's backtrace actions (because the
implicit switching was either confusing for users, pointless or both).
Finally there is a coverity fix and patch to replace open coded
console traversal with the proper helper function"
* tag 'kgdb-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Use for_each_console() helper
kdb: remove redundant assignment to pointer bp
kdb: Get rid of confusing diag msg from "rd" if current task has no regs
kdb: Gid rid of implicit setting of the current task / regs
kdb: kdb_current_task shouldn't be exported
kdb: kdb_current_regs should be private
MIPS: kdb: Remove old workaround for backtracing on other CPUs
Here is a single patch, that fixes up a commit that came in the previous
char/misc merge.
It fixes a bug in the hpet driver that everyone keeps tripping over in
their automated testing. Good thing is, people are catching it. Bad
thing it wasn't caught by anyone testing before this. Oh well...
This has been in linux-next for a few days with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fix from Greg KH:
"Here is a single patch, that fixes up a commit that came in the
previous char/misc merge.
It fixes a bug in the hpet driver that everyone keeps tripping over in
their automated testing. Good thing is, people are catching it. Bad
thing it wasn't caught by anyone testing before this. Oh well...
This has been in linux-next for a few days with no reported issues"
* tag 'char-misc-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
char: hpet: Fix out-of-bounds read bug
- Remove superfluous code; ams369fg06
- Convert over to GPIO descriptor (gpiod); bd6107
- Bug Fixes
- Fix unsigned comparison to less than zero; qcom-wled
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Merge tag 'backlight-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Fix-ups:
- Remove superfluous code in ams369fg06
- Convert over to GPIO descriptor (gpiod) in bd6107
Bug Fixes:
- Fix unsigned comparison to less than zero in qcom-wled"
* tag 'backlight-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: qcom-wled: Fix unsigned comparison to zero
backlight: bd6107: Convert to use GPIO descriptor
backlight: ams369fg06: Drop GPIO include
- Add support for ROHM BD71828 PMICs and GPIOs
- Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
- New Device Support
- Add support for BD71828 to BD70528 RTC driver
- Add support for Intel's Jasper Lake to LPSS PCI
- New Functionality
- Add support for Power Key to ROHM BD71828
- Add support for Clocks to ROHM BD71828
- Add support for GPIOs to Dialog DA9062
- Add support for USB PD Notify to ChromiumOS EC
- Allow callers to specify args when requesting regmap lookup; syscon
- Fix-ups
- Improve error handling and sanity checking; atmel-hlcdc, dln2
- Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
ab8500, max14577, atmel-usart
- Match devices using platform IDs; bd7xxxx
- Refactor BD718x7 regulator component; bd718x7-regulator
- Use standard interfaces/helpers; syscon, sm501
- Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
- Remove unused code; db8500-prcmu, tqmx86
- Wait until boot has finished before accessing registers; madera-core
- Provide missing register value defaults; cs47l15-tables
- Allow more time for hardware to reset; madera-core
- Bug Fixes
- Fix erroneous register values; rohm-bd70528
- Fix register volatility; axp20x, rn5t618
- Fix Kconfig dependencies; MFD_MAX77650
- Fix incorrect compatible string; da9062-core
- Fix syscon_regmap_lookup_by_phandle_args() stub; syscon
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Merge tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for ROHM BD71828 PMICs and GPIOs
- Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341
New Device Support:
- Add support for BD71828 to BD70528 RTC driver
- Add support for Intel's Jasper Lake to LPSS PCI
New Functionality:
- Add support for Power Key to ROHM BD71828
- Add support for Clocks to ROHM BD71828
- Add support for GPIOs to Dialog DA9062
- Add support for USB PD Notify to ChromiumOS EC
- Allow callers to specify args when requesting regmap lookup; syscon
Fix-ups:
- Improve error handling and sanity checking; atmel-hlcdc, dln2
- Device Tree support/documentation; bd71828, da9062, xylon,logicvc,
ab8500, max14577, atmel-usart
- Match devices using platform IDs; bd7xxxx
- Refactor BD718x7 regulator component; bd718x7-regulator
- Use standard interfaces/helpers; syscon, sm501
- Trivial (whitespace, spelling, etc); ab8500-core, Kconfig
- Remove unused code; db8500-prcmu, tqmx86
- Wait until boot has finished before accessing registers;
madera-core
- Provide missing register value defaults; cs47l15-tables
- Allow more time for hardware to reset; madera-core
Bug Fixes:
- Fix erroneous register values; rohm-bd70528
- Fix register volatility; axp20x, rn5t618
- Fix Kconfig dependencies; MFD_MAX77650
- Fix incorrect compatible string; da9062-core
- Fix syscon_regmap_lookup_by_phandle_args() stub; syscon"
* tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits)
mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy
mfd: wcd934x: Add support to wcd9340/wcd9341 codec
mfd: syscon: Add arguments support for syscon reference
mfd: rn5t618: Mark ADC control register volatile
dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu}
dt-bindings: atmel-usart: Remove wildcard
mfd: cros_ec: Add cros-usbpd-notify subdevice
mfd: da9062: Fix watchdog compatible string
mfd: madera: Allow more time for hardware reset
mfd: cs47l15: Add missing register default
mfd: madera: Wait for boot done before accessing any other registers
mfd: Kconfig: Rename Samsung to lowercase
mfd: tqmx86: remove set but not used variable 'i2c_ien'
mfd: dbx500-prcmu: Drop DSI pll clock functions
mfd: dbx500-prcmu: Drop set_display_clocks()
mfd: max77650: Select REGMAP_IRQ in Kconfig
mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
mfd: ab8500: Fix ab8500-clk typo
mfd: intel-lpss: Add Intel Jasper Lake PCI IDs
dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions
...
support by Dexuan Cui.
- Fix for a warning shown when host sends non-aligned balloon requests
by Tianyu Lan.
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V updates from Sasha Levin:
- Most of the commits here are work to enable host-initiated
hibernation support by Dexuan Cui.
- Fix for a warning shown when host sends non-aligned balloon requests
by Tianyu Lan.
* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hv_utils: Add the support of hibernation
hv_utils: Support host-initiated hibernation request
hv_utils: Support host-initiated restart request
Tools: hv: Reopen the devices if read() or write() returns errors
video: hyperv: hyperv_fb: Use physical memory for fb on HyperV Gen 1 VMs.
Drivers: hv: vmbus: Ignore CHANNELMSG_TL_CONNECT_RESULT(23)
video: hyperv_fb: Fix hibernation for the deferred IO feature
Input: hyperv-keyboard: Add the support of hibernation
hv_balloon: Balloon up according to request page number
If CONFIG_MFD_SYSCON=n:
include/linux/mfd/syscon.h:54:23: warning: ‘syscon_regmap_lookup_by_phandle_args’ defined but not used [-Wunused-function]
Fix this by adding the missing inline keyword.
Fixes: 6a24f567af ("mfd: syscon: Add arguments support for syscon reference")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Merge tag 'leds-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
- New driver for TI TPS6105X
- Add managed API to get a LED from a device driver
- Misc fixes and updates
* tag 'leds-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (22 commits)
leds: lm3692x: Disable chip on brightness 0
leds: lm3692x: Split out lm3692x_leds_disable
leds: lm3692x: Move lm3692x_init and rename to lm3692x_leds_enable
leds: lm3692x: Make sure we don't exceed the maximum LED current
dt: bindings: lm3692x: Add led-max-microamp property
leds: lm3692x: Allow to configure over voltage protection
dt: bindings: lm3692x: Add ti,ovp-microvolt property
leds: populate the device's of_node
leds: Add managed API to get a LED from a device driver
leds: Add of_led_get() and led_put()
leds: lm3532: add pointer to documentation and fix typo
leds: lm3532: use extended registration so that LED can be used for backlight
leds: lm3642: remove warnings for bad strtol, cleanup gotos
leds: rb532: cleanup whitespace
ledtrig-pattern: fix email address quoting in MODULE_AUTHOR()
dt-bindings: mfd: update TI tps6105x chip bindings
leds: tps6105x: add driver for MFD chip LED mode
led: max77650: add of_match table
leds: bd2802: Convert to use GPIO descriptors
leds: pca963x: Fix open-drain initialization
...
Pull pcmcia updates from Dominik Brodowski:
"This is a series co-developed by Simon Geis and Lukas Panzer to clean
up the i82092 PCMCIA device driver"
* 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
PCMCIA/i82092: remove #if 0 block
PCMCIA/i82092: delete enter/leave macro
PCMCIA/i82092: include <linux/io.h> instead of <asm/io.h>
PCMCIA/i82092: shorten the lines with over 80 characters
PCMCIA/i82092: move assignment out of if condition
PCMCIA/i82092: change code indentation
PCMCIA/i82092: insert blank line after declarations
PCMCIA/i82092: remove braces around single statement blocks
PCMCIA/i82092: add/remove spaces to improve readability
PCMCIA/i82092: use dev_<level> instead of printk
There was some logic added a while ago to clear out f_bavail in statfs()
if we did not have enough free metadata space to satisfy our global
reserve. This was incorrect at the time, however didn't really pose a
problem for normal file systems because we would often allocate chunks
if we got this low on free metadata space, and thus wouldn't really hit
this case unless we were actually full.
Fast forward to today and now we are much better about not allocating
metadata chunks all of the time. Couple this with d792b0f197 ("btrfs:
always reserve our entire size for the global reserve") which now means
we'll easily have a larger global reserve than our free space, we are
now more likely to trip over this while still having plenty of space.
Fix this by skipping this logic if the global rsv's space_info is not
full. space_info->full is 0 unless we've attempted to allocate a chunk
for that space_info and that has failed. If this happens then the space
for the global reserve is definitely sacred and we need to report
b_avail == 0, but before then we can just use our calculated b_avail.
Reported-by: Martin Steigerwald <martin@lichtvoll.de>
Fixes: ca8a51b3a9 ("btrfs: statfs: report zero available if metadata are exhausted")
CC: stable@vger.kernel.org # 4.5+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Tested-By: Martin Steigerwald <martin@lichtvoll.de>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Merge tag '5.6-rc-small-smb3-fix-for-stable' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fix from Steve French:
"Small SMB3 fix for stable (fixes problem with soft mounts)"
* tag '5.6-rc-small-smb3-fix-for-stable' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module version number
cifs: fix soft mounts hanging in the reconnect code
Brown paperbag time: fetching ->i_uid/->i_mode really should've been
done from nd->inode. I even suggested that, but the reason for that has
slipped through the cracks and I went for dir->d_inode instead - made
for more "obvious" patch.
Analysis:
- at the entry into do_last() and all the way to step_into(): dir (aka
nd->path.dentry) is known not to have been freed; so's nd->inode and
it's equal to dir->d_inode unless we are already doomed to -ECHILD.
inode of the file to get opened is not known.
- after step_into(): inode of the file to get opened is known; dir
might be pointing to freed memory/be negative/etc.
- at the call of may_create_in_sticky(): guaranteed to be out of RCU
mode; inode of the file to get opened is known and pinned; dir might
be garbage.
The last was the reason for the original patch. Except that at the
do_last() entry we can be in RCU mode and it is possible that
nd->path.dentry->d_inode has already changed under us.
In that case we are going to fail with -ECHILD, but we need to be
careful; nd->inode is pointing to valid struct inode and it's the same
as nd->path.dentry->d_inode in "won't fail with -ECHILD" case, so we
should use that.
Reported-by: "Rantala, Tommi T. (Nokia - FI/Espoo)" <tommi.t.rantala@nokia.com>
Reported-by: syzbot+190005201ced78a74ad6@syzkaller.appspotmail.com
Wearing-brown-paperbag: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Fixes: d0cb50185a ("do_last(): fetch directory ->i_mode and ->i_uid before it's too late")
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- add 'yes2modconfig' and 'mod2yesconfig' targets
- sanitize help text
- various code cleanups
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Merge tag 'kconfig-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- add 'yes2modconfig' and 'mod2yesconfig' targets (useful mainly for
turning syzbot configs into more modular ones as a step to minimizing
the result)
- sanitize help text
- various code cleanups
* tag 'kconfig-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: fix documentation typos
kconfig: fix an "implicit declaration of function" warning
kconfig: fix nesting of symbol help text
kconfig: distinguish between dependencies and visibility in help text
kconfig: list all definitions of a symbol in help text
kconfig: Add yes2modconfig and mod2yesconfig targets.
kconfig: use $(PERL) in Makefile
kconfig: fix too deep indentation in Makefile
kconfig: localmodconfig: fix indentation for closing brace
kconfig: localmodconfig: remove unused $config
kconfig: squash prop_alloc() into menu_add_prop()
kconfig: remove sym from struct property
kconfig: remove 'prompt' argument from menu_add_prop()
kconfig: move prompt handling to menu_add_prompt() from menu_add_prop()
kconfig: remove 'prompt' symbol
kconfig: drop T_WORD from the RHS of 'prompt' symbol
kconfig: use parent->dep as the parentdep of 'menu'
kconfig: remove the rootmenu check in menu_add_prop()
- detect missing include guard in UAPI headers
- do not create orphan built-in.a or obj-y objects
- generate modules.builtin more simply, and drop tristate.conf
- simplify built-in initramfs creation
- make linux-headers deb package thinner
- optimize the deb package build script
- misc cleanups
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Merge tag 'kbuild-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- detect missing include guard in UAPI headers
- do not create orphan built-in.a or obj-y objects
- generate modules.builtin more simply, and drop tristate.conf
- simplify built-in initramfs creation
- make linux-headers deb package thinner
- optimize the deb package build script
- misc cleanups
* tag 'kbuild-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
builddeb: split libc headers deployment out into a function
builddeb: split kernel headers deployment out into a function
builddeb: remove redundant make for ARCH=um
builddeb: avoid invoking sub-shells where possible
builddeb: remove redundant $objtree/
builddeb: match temporary directory name to the package name
builddeb: remove unneeded files in hdrobjfiles for headers package
kbuild: use -S instead of -E for precise cc-option test in Kconfig
builddeb: allow selection of .deb compressor
kbuild: remove 'Building modules, stage 2.' log
kbuild: remove *.tmp file when filechk fails
kbuild: remove PYTHON2 variable
modpost: assume STT_SPARC_REGISTER is defined
gen_initramfs.sh: remove intermediate cpio_list on errors
initramfs: refactor the initramfs build rules
gen_initramfs.sh: always output cpio even without -o option
initramfs: add default_cpio_list, and delete -d option support
initramfs: generate dependency list and cpio at the same time
initramfs: specify $(src)/gen_initramfs.sh as a prerequisite in Makefile
initramfs: make initramfs compression choice non-optional
...
CRNG hasn't initialized, instead of the old blocking pool. Also clean
up archrandom.h, and some other miscellaneous cleanups.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull random changes from Ted Ts'o:
"Change /dev/random so that it uses the CRNG and only blocking if the
CRNG hasn't initialized, instead of the old blocking pool. Also clean
up archrandom.h, and some other miscellaneous cleanups"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: (24 commits)
s390x: Mark archrandom.h functions __must_check
powerpc: Mark archrandom.h functions __must_check
powerpc: Use bool in archrandom.h
x86: Mark archrandom.h functions __must_check
linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
linux/random.h: Use false with bool
linux/random.h: Remove arch_has_random, arch_has_random_seed
s390: Remove arch_has_random, arch_has_random_seed
powerpc: Remove arch_has_random, arch_has_random_seed
x86: Remove arch_has_random, arch_has_random_seed
random: remove some dead code of poolinfo
random: fix typo in add_timer_randomness()
random: Add and use pr_fmt()
random: convert to ENTROPY_BITS for better code readability
random: remove unnecessary unlikely()
random: remove kernel.random.read_wakeup_threshold
random: delete code to pull data into pools
random: remove the blocking pool
random: make /dev/random be almost like /dev/urandom
random: ignore GRND_RANDOM in getentropy(2)
...
When the distance thresholds are set the controller must be in reduced
reporting mode for them to have any effect on the interrupt generation.
This has a potentially large impact on the number of events the host
needs to process.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Andrew Duggan <aduggan@synaptics.com>
Link: https://lore.kernel.org/r/20200120111628.18376-1-l.stach@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- New staging driver for Rockship ISPv1 unit
- New staging driver for Rockchip MIPI Synopsys DPHY RX0
- y2038 fixes at V4L2 API (backward-compatible)
- A dvb core fix when receiving invalid EIT sections
- Some clang-specific warnings got fixed
- Added support for touch V4L2 interface at vivid
- Several drivers were converted to use the new
i2c_new_scanned_device() kAPI
- Added sm1 support at meson's vdec driver
- Several other driver cleanups, fixes and improvements
* tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (207 commits)
media: staging/intel-ipu3: remove TODO item about acronyms
media: v4l2-fwnode: Print the node name while parsing endpoints
media: Revert "media: staging/intel-ipu3: make imgu use fixed running mode"
media: mt9v111: constify copied structure
media: platform: VIDEO_MEDIATEK_JPEG can also depend on MTK_IOMMU
media: uvcvideo: Add a quirk to force GEO GC6500 Camera bits-per-pixel value
media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
media: hantro: fix post-processing NULL pointer dereference
media: rcar-vin: Use correct pixel format when aligning format
media: MAINTAINERS: add entry for Rockchip ISP1 driver
media: staging: rkisp1: add TODO file for staging
media: staging: rkisp1: add document for rkisp1 meta buffer format
media: staging: rkisp1: add output device for parameters
media: staging: rkisp1: add capture device for statistics
media: staging: rkisp1: add user space ABI definitions
media: staging: rkisp1: add streaming paths
media: staging: rkisp1: add Rockchip ISP1 base driver
media: staging: phy-rockchip-dphy-rx0: add Rockchip MIPI Synopsys DPHY RX0 driver
media: staging: dt-bindings: add Rockchip MIPI RX D-PHY RX0 yaml bindings
media: staging: dt-bindings: add Rockchip ISP1 yaml bindings
...
- Driver updates and cleanup for qedr, bnxt_re, hns, siw, mlx5, mlx4, rxe,
i40iw
- Larger series doing cleanup and rework for hns and hfi1.
- Some general reworking of the CM code to make it a little more
understandable
- Unify the different code paths connected to the uverbs FD scheme
- New UAPI ioctls conversions for get context and get async fd
- Trace points for CQ and CM portions of the RDMA stack
- mlx5 driver support for virtio-net formatted rings as RDMA raw ethernet QPs
- verbs support for setting the PCI-E relaxed ordering bit on DMA traffic
connected to a MR
- A couple of bug fixes that came too late to make rc7
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"A very quiet cycle with few notable changes. Mostly the usual list of
one or two patches to drivers changing something that isn't quite rc
worthy. The subsystem seems to be seeing a larger number of rework and
cleanup style patches right now, I feel that several vendors are
prepping their drivers for new silicon.
Summary:
- Driver updates and cleanup for qedr, bnxt_re, hns, siw, mlx5, mlx4,
rxe, i40iw
- Larger series doing cleanup and rework for hns and hfi1.
- Some general reworking of the CM code to make it a little more
understandable
- Unify the different code paths connected to the uverbs FD scheme
- New UAPI ioctls conversions for get context and get async fd
- Trace points for CQ and CM portions of the RDMA stack
- mlx5 driver support for virtio-net formatted rings as RDMA raw
ethernet QPs
- verbs support for setting the PCI-E relaxed ordering bit on DMA
traffic connected to a MR
- A couple of bug fixes that came too late to make rc7"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (108 commits)
RDMA/core: Make the entire API tree static
RDMA/efa: Mask access flags with the correct optional range
RDMA/cma: Fix unbalanced cm_id reference count during address resolve
RDMA/umem: Fix ib_umem_find_best_pgsz()
IB/mlx4: Fix leak in id_map_find_del
IB/opa_vnic: Spelling correction of 'erorr' to 'error'
IB/hfi1: Fix logical condition in msix_request_irq
RDMA/cm: Remove CM message structs
RDMA/cm: Use IBA functions for complex structure members
RDMA/cm: Use IBA functions for simple structure members
RDMA/cm: Use IBA functions for swapping get/set acessors
RDMA/cm: Use IBA functions for simple get/set acessors
RDMA/cm: Add SET/GET implementations to hide IBA wire format
RDMA/cm: Add accessors for CM_REQ transport_type
IB/mlx5: Return the administrative GUID if exists
RDMA/core: Ensure that rdma_user_mmap_entry_remove() is a fence
IB/mlx4: Fix memory leak in add_gid error flow
IB/mlx5: Expose RoCE accelerator counters
RDMA/mlx5: Set relaxed ordering when requested
RDMA/core: Add the core support field to METHOD_GET_CONTEXT
...
- Fix a spelling mistake in the error message for the stm32 (Colin Ian King)
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Merge tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal fixes from Daniel Lezcano:
- Fix a severe docs build failure for cpu idle cooling device (Randy
Dunlap)
- Fix a spelling mistake in the error message for the stm32 (Colin Ian
King)
* tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal: stm32: fix spelling mistake "preprare" -> "prepare"
Documentation: cpu-idle-cooling: fix a SEVERE docs build failure
Fix up MAINTAINERS entires related to ACPI (Andy Shevchenko).
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Merge tag 'acpi-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"Fix up MAINTAINERS entires related to ACPI (Andy Shevchenko)"
* tag 'acpi-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
MAINTAINERS: Sort entries in database for X-POWERS AXP288
MAINTAINERS: Sort entries in database for ACPICA
MAINTAINERS: Sort entries in database for ACPI
Prevent cpufreq from creating excessively large stack frames and fix
the handling of devices deleted during system-wide resume in the PM
core (Rafael Wysocki), revert a problematic commit affecting the
cpupower utility and correct its man page (Thomas Renninger,
Brahadambal Srinivasan), and improve the intel_pstate_tracer
utility (Doug Smythies).
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Merge tag 'pm-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power manadement updates from Rafael Wysocki:
"Prevent cpufreq from creating excessively large stack frames and fix
the handling of devices deleted during system-wide resume in the PM
core (Rafael Wysocki), revert a problematic commit affecting the
cpupower utility and correct its man page (Thomas Renninger,
Brahadambal Srinivasan), and improve the intel_pstate_tracer utility
(Doug Smythies)"
* tag 'pm-5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
tools/power/x86/intel_pstate_tracer: change several graphs to autoscale y-axis
tools/power/x86/intel_pstate_tracer: changes for python 3 compatibility
Correction to manpage of cpupower
cpufreq: Avoid creating excessively large stack frames
PM: core: Fix handling of devices deleted during system-wide resume
cpupower: Revert library ABI changes from commit ae2917093f
- Support for Xilinx Versal platform clks
- Display clk controller on qcom sc7180
- Video clk controller on qcom sc7180
- Graphics clk controller on qcom sc7180
- CPU PLLs for qcom msm8916
- Fixes for clk controllers on qcom msm8998 SoCs
- Move qcom msm8974 gfx3d clk to RPM control
- Display port clk support on qcom sdm845 SoCs
- Global clk controller on qcom ipq6018
- Adjust composite clk to new way of describing clk parents
- Add a driver for BCLK of Freescale SAI cores
* clk-imx: (32 commits)
clk: imx: Add support for i.MX8MP clock driver
dt-bindings: imx: Add clock binding doc for i.MX8MP
clk: imx: gate4: Switch imx_clk_gate4_flags() to clk_hw based API
clk: imx: imx8mq: Switch to clk_hw based API
clk: imx: imx8mm: Switch to clk_hw based API
clk: imx: imx8mn: Switch to clk_hw based API
clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API
clk: imx: gate3: Switch to clk_hw based API
clk: imx: add hw API imx_clk_hw_mux2_flags
clk: imx: add imx_unregister_hw_clocks
clk: imx: clk-composite-8m: Switch to clk_hw based API
clk: imx: clk-pll14xx: Switch to clk_hw based API
clk: imx7up: Rename the clks to hws
clk: imx: Rename the imx_clk_divider_gate to imply it's clk_hw based
clk: imx: Rename the imx_clk_pfdv2 to imply it's clk_hw based
clk: imx: Rename the imx_clk_pllv4 to imply it's clk_hw based
clk: imx: Rename sccg and frac pll register to suggest clk_hw
clk: imx: imx7ulp composite: Rename to show is clk_hw based
clk: imx: pllv2: Switch to clk_hw based API
clk: imx: pllv1: Switch to clk_hw based API
...
* clk-ti:
clk: ti: clkctrl: Fix hidden dependency to node name
clk: ti: add clkctrl data dra7 sgx
clk: ti: omap5: Add missing AESS clock
clk: ti: dra7: fix parent for gmac_clkctrl
clk: ti: dra7: add vpe clkctrl data
clk: ti: dra7: add cam clkctrl data
dt-bindings: clock: Move ti-dra7-atl.h to dt-bindings/clock
* clk-xilinx:
clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag
clk: zynqmp: Fix divider calculation
clk: zynqmp: Add support for get max divider
clk: zynqmp: Warn user if clock user are more than allowed
clk: zynqmp: Extend driver for versal
dt-bindings: clock: Add bindings for versal clock driver
* clk-nvidia:
clk: tegra20/30: Explicitly set parent clock for Video Decoder
clk: tegra20/30: Don't pre-initialize displays parent clock
clk: tegra: divider: Check UART's divider enable-bit state on rate's recalculation
clk: tegra: clk-dfll: Remove call to pm_runtime_irq_safe()
clk: tegra: Mark fuse clock as critical
* clk-qcom: (35 commits)
clk: qcom: rpmh: Sort OF match table
dt-bindings: fix warnings in validation of qcom,gcc.yaml
dt-binding: fix compilation error of the example in qcom,gcc.yaml
clk: qcom: Add ipq6018 Global Clock Controller support
clk: qcom: Add DT bindings for ipq6018 gcc clock controller
clk: qcom: gcc-msm8996: Fix parent for CLKREF clocks
clk: qcom: rpmh: Add IPA clock for SC7180
clk: qcom: rpmh: skip undefined clocks when registering
clk: qcom: Add video clock controller driver for SC7180
dt-bindings: clock: Introduce SC7180 QCOM Video clock bindings
dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings
clk: qcom: Add graphics clock controller driver for SC7180
dt-bindings: clock: Introduce SC7180 QCOM Graphics clock bindings
dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings
clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent
clk: qcom: Add display clock controller driver for SC7180
dt-bindings: clock: Introduce QCOM sc7180 display clock bindings
dt-bindings: clock: Add YAML schemas for the QCOM DISPCC clock bindings
clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration
clk: qcom: alpha-pll: Remove useless read from set rate
...
* clk-freescale:
clk: fsl-sai: new driver
dt-bindings: clock: document the fsl-sai driver
clk: composite: add _register_composite_pdata() variants
* clk-qoriq:
clk: qoriq: add ls1088a hwaccel clocks support
clk: ls1028a: Add clock driver for Display output interface
dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
- Support dangerous debugfs actions on clks with dead code
- Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs
* clk-debugfs-danger:
clk: Add support for setting clk_rate via debugfs
* clk-basic-hw:
clk: divider: Add support for specifying parents via DT/pointers
clk: gate: Add support for specifying parents via DT/pointers
clk: mux: Add support for specifying parents via DT/pointers
clk: asm9260: Use parent accuracy in fixed rate clk
clk: fixed-rate: Document that accuracy isn't a rate
clk: fixed-rate: Add clk flags for parent accuracy
clk: fixed-rate: Add support for specifying parents via DT/pointers
clk: fixed-rate: Document accuracy member
clk: fixed-rate: Move to_clk_fixed_rate() to C file
clk: fixed-rate: Remove clk_register_fixed_rate_with_accuracy()
clk: fixed-rate: Convert to clk_hw based APIs
clk: gpio: Use DT way of specifying parents
* clk-renesas:
clk: renesas: Prepare for split of R-Car H3 config symbol
dt-bindings: clock: renesas: cpg-mssr: Fix r8a774b1 typo
clk: renesas: r7s9210: Add SPIBSC clock
clk: renesas: rcar-gen3: Allow changing the RPC[D2] clocks
clk: renesas: Remove use of ARCH_R8A7796
clk: renesas: rcar-gen2: Change multipliers and dividers to u8
* clk-amlogic:
clk: clarify that clk_set_rate() does updates from top to bottom
clk: meson: meson8b: make the CCF use the glitch-free mali mux
clk: meson: pll: Fix by 0 division in __pll_params_to_rate()
clk: meson: g12a: fix missing uart2 in regmap table
clk: meson: meson8b: use of_clk_hw_register to register the clocks
clk: meson: meson8b: don't register the XTAL clock when provided via OF
clk: meson: meson8b: change references to the XTAL clock to use [fw_]name
clk: meson: meson8b: use clk_hw_set_parent in the CPU clock notifier
clk: meson: add a driver for the Meson8/8b/8m2 DDR clock controller
dt-bindings: clock: meson8b: add the clock inputs
dt-bindings: clock: add the Amlogic Meson8 DDR clock controller binding
* clk-allwinner:
clk: sunxi: a23/a33: Export the MIPI PLL
clk: sunxi: a31: Export the MIPI PLL
clk: sunxi-ng: a64: export CLK_CPUX clock for DVFS
clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock
clk: sunxi-ng: r40: Export MBUS clock
clk: sunxi: use of_device_get_match_data
- Let clk_ops::init() return an error code
- Add a clk_ops::terminate() callback to undo clk_ops::init()
* clk-init-allocation:
clk: add terminate callback to clk_ops
clk: let init callback return an error code
clk: actually call the clock init before any other callback of the clock
* clk-unused:
clk: bm1800: Remove set but not used variable 'fref'
* clk-register-dt-node-better:
clk: Use parent node pointer during registration if necessary
- Fix some corner cases on filesystems with a block size < page size.
- Fix a corner case that could expose incorrect access times over nfs.
- Revert an otherwise sensible revoke accounting cleanup that causes
assertion failures. The revoke accounting is whacky and needs to be
fixed properly before we can add back this cleanup.
- Various other minor cleanups.
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Merge tag 'gfs2-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
- Fix some corner cases on filesystems with a block size < page size.
- Fix a corner case that could expose incorrect access times over nfs.
- Revert an otherwise sensible revoke accounting cleanup that causes
assertion failures. The revoke accounting is whacky and needs to be
fixed properly before we can add back this cleanup.
- Various other minor cleanups.
In addition, please expect to see another pull request from Bob Peterson
about his gfs2 recovery patch queue shortly.
* tag 'gfs2-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
Revert "gfs2: eliminate tr_num_revoke_rm"
gfs2: remove unused LBIT macros
fs/gfs2: remove unused IS_DINODE and IS_LEAF macros
gfs2: Remove GFS2_MIN_LVB_SIZE define
gfs2: Fix incorrect variable name
gfs2: Avoid access time thrashing in gfs2_inode_lookup
gfs2: minor cleanup: remove unneeded variable ret in gfs2_jdata_writepage
gfs2: eliminate ssize parameter from gfs2_struct2blk
gfs2: Another gfs2_find_jhead fix
- Fix an off-by-one error when checking if offset is within inode size
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Merge tag 'iomap-5.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fix from Darrick Wong:
"A single patch fixing an off-by-one error when we're checking to see
how far we're gotten into an EOF page"
* tag 'iomap-5.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
fs: Fix page_mkwrite off-by-one errors
Pull updates from Andrew Morton:
"Most of -mm and quite a number of other subsystems: hotfixes, scripts,
ocfs2, misc, lib, binfmt, init, reiserfs, exec, dma-mapping, kcov.
MM is fairly quiet this time. Holidays, I assume"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
kcov: ignore fault-inject and stacktrace
include/linux/io-mapping.h-mapping: use PHYS_PFN() macro in io_mapping_map_atomic_wc()
execve: warn if process starts with executable stack
reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
init/main.c: fix misleading "This architecture does not have kernel memory protection" message
init/main.c: fix quoted value handling in unknown_bootoption
init/main.c: remove unnecessary repair_env_string in do_initcall_level
init/main.c: log arguments and environment passed to init
fs/binfmt_elf.c: coredump: allow process with empty address space to coredump
fs/binfmt_elf.c: coredump: delete duplicated overflow check
fs/binfmt_elf.c: coredump: allocate core ELF header on stack
fs/binfmt_elf.c: make BAD_ADDR() unlikely
fs/binfmt_elf.c: better codegen around current->mm
fs/binfmt_elf.c: don't copy ELF header around
fs/binfmt_elf.c: fix ->start_code calculation
fs/binfmt_elf.c: smaller code generation around auxv vector fill
lib/find_bit.c: uninline helper _find_next_bit()
lib/find_bit.c: join _find_next_bit{_le}
uapi: rename ext2_swab() to swab() and share globally in swab.h
lib/scatterlist.c: adjust indentation in __sg_alloc_table
...
Summary of modules changes for the 5.6 merge window:
- Add "MS" (SHF_MERGE|SHF_STRINGS) section flags to __ksymtab_strings to
indicate to the linker that it can perform string deduplication (i.e.,
duplicate strings are reduced to a single copy in the string table).
This means any repeated namespace string would be merged to just one
entry in __ksymtab_strings.
- Various code cleanups and small fixes (fix small memleak in error path,
improve moduleparam docs, silence rcu warnings, improve error logging)
Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull module updates from Jessica Yu:
"Summary of modules changes for the 5.6 merge window:
- Add "MS" (SHF_MERGE|SHF_STRINGS) section flags to __ksymtab_strings
to indicate to the linker that it can perform string deduplication
(i.e., duplicate strings are reduced to a single copy in the string
table). This means any repeated namespace string would be merged to
just one entry in __ksymtab_strings.
- Various code cleanups and small fixes (fix small memleak in error
path, improve moduleparam docs, silence rcu warnings, improve error
logging)"
* tag 'modules-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
module.h: Annotate mod_kallsyms with __rcu
module: avoid setting info->name early in case we can fall back to info->mod->name
modsign: print module name along with error message
kernel/module: Fix memleak in module_add_modinfo_attrs()
export.h: reduce __ksymtab_strings string duplication by using "MS" section flags
moduleparam: fix kerneldoc
modules: lockdep: Suppress suspicious RCU usage warning
- Support mremap() for the VDSO, primarily to allow CRIU to restore the
VDSO to its checkpointed location.
- Restore the MIPS32 cBPF JIT, after having reverted the enablement of
the eBPF JIT for MIPS32 systems in the 5.5 cycle.
- Improve cop0 counter synchronization behaviour whilst onlining CPUs by
running with interrupts disabled.
- Better match FPU behaviour when emulating multiply-accumulate
instructions on pre-r6 systems that implement IEEE754-2008 style MACs.
- Loongson64 kernels now build using the MIPS64r2 ISA, allowing them to
take advantage of instructions introduced by r2.
- Support for the Ingenic X1000 SoC & the really nice little CU Neo
development board that's using it.
- Support for WMAC on GARDENA Smart Gateway devices.
- Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
preparation for introducing IP35 (Origin 3*) support.
- Various Kconfig & Makefile cleanups.
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Merge tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS changes from Paul Burton:
"Nothing too big or scary in here:
- Support mremap() for the VDSO, primarily to allow CRIU to restore
the VDSO to its checkpointed location.
- Restore the MIPS32 cBPF JIT, after having reverted the enablement
of the eBPF JIT for MIPS32 systems in the 5.5 cycle.
- Improve cop0 counter synchronization behaviour whilst onlining CPUs
by running with interrupts disabled.
- Better match FPU behaviour when emulating multiply-accumulate
instructions on pre-r6 systems that implement IEEE754-2008 style
MACs.
- Loongson64 kernels now build using the MIPS64r2 ISA, allowing them
to take advantage of instructions introduced by r2.
- Support for the Ingenic X1000 SoC & the really nice little CU Neo
development board that's using it.
- Support for WMAC on GARDENA Smart Gateway devices.
- Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in
preparation for introducing IP35 (Origin 3*) support.
- Various Kconfig & Makefile cleanups"
* tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (60 commits)
MIPS: PCI: Add detection of IOC3 on IO7, IO8, IO9 and Fuel
MIPS: Loongson64: Disable exec hazard
MIPS: Loongson64: Bump ISA level to MIPSR2
MIPS: Make DIEI support as a config option
MIPS: OCTEON: octeon-irq: fix spelling mistake "to" -> "too"
MIPS: asm: local: add barriers for Loongson
MIPS: Loongson64: Select mac2008 only feature
MIPS: Add MAC2008 Support
Revert "MIPS: Add custom serial.h with BASE_BAUD override for generic kernel"
MIPS: sort MIPS and MIPS_GENERIC Kconfig selects alphabetically (again)
MIPS: make CPU_HAS_LOAD_STORE_LR opt-out
MIPS: generic: don't unconditionally select PINCTRL
MIPS: don't explicitly select LIBFDT in Kconfig
MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts
MIPS: SGI-IP30: Check for valid pointer before using it
MIPS: syscalls: fix indentation of the 'SYSNR' message
MIPS: boot: fix typo in 'vmlinux.lzma.its' target
MIPS: fix indentation of the 'RELOCS' message
dt-bindings: Document loongson vendor-prefix
MIPS: CU1000-Neo: Refresh defconfig to support HWMON and WiFi.
...
This tag contains a handful of patches that I'd like to target for this merge
window:
* Support for kasan.
* 32-bit physical addresses on rv32i-based systems.
* Support for CONFIG_DEBUG_VIRTUAL
* DT entry for the FU540 GPIO controller, which has recently had a device
driver merged.
These boot a buildroot-based system on QEMU's virt board for me.
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Merge tag 'riscv-for-linus-5.6-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"This contains a handful of patches for this merge window:
- Support for kasan
- 32-bit physical addresses on rv32i-based systems
- Support for CONFIG_DEBUG_VIRTUAL
- DT entry for the FU540 GPIO controller, which has recently had a
device driver merged
These boot a buildroot-based system on QEMU's virt board for me"
* tag 'riscv-for-linus-5.6-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: dts: Add DT support for SiFive FU540 GPIO driver
riscv: mm: add support for CONFIG_DEBUG_VIRTUAL
riscv: keep 32-bit kernel to 32-bit phys_addr_t
kasan: Add riscv to KASAN documentation.
riscv: Add KASAN support
kasan: No KASAN's memmove check if archs don't have it.
Pull x86 fixes from Ingo Molnar:
"Misc fixes:
- three fixes and a cleanup for the resctrl code
- a HyperV fix
- a fix to /proc/kcore contents in live debugging sessions
- a fix for the x86 decoder opcode map"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/decoder: Add TEST opcode to Group3-2
x86/resctrl: Clean up unused function parameter in mkdir path
x86/resctrl: Fix a deadlock due to inaccurate reference
x86/resctrl: Fix use-after-free due to inaccurate refcount of rdtgroup
x86/resctrl: Fix use-after-free when deleting resource groups
x86/hyper-v: Add "polling" bit to hv_synic_sint
x86/crash: Define arch_crash_save_vmcoreinfo() if CONFIG_CRASH_CORE=y
Don't instrument 3 more files that contain debugging facilities and
produce large amounts of uninteresting coverage for every syscall.
The following snippets are sprinkled all over the place in kcov traces
in a debugging kernel. We already try to disable instrumentation of
stack unwinding code and of most debug facilities. I guess we did not
use fault-inject.c at the time, and stacktrace.c was somehow missed (or
something has changed in kernel/configs). This change both speeds up
kcov (kernel doesn't need to store these PCs, user-space doesn't need to
process them) and frees trace buffer capacity for more useful coverage.
should_fail
lib/fault-inject.c:149
fail_dump
lib/fault-inject.c:45
stack_trace_save
kernel/stacktrace.c:124
stack_trace_consume_entry
kernel/stacktrace.c:86
stack_trace_consume_entry
kernel/stacktrace.c:89
... a hundred frames skipped ...
stack_trace_consume_entry
kernel/stacktrace.c:93
stack_trace_consume_entry
kernel/stacktrace.c:86
Link: http://lkml.kernel.org/r/20200116111449.217744-1-dvyukov@gmail.com
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use PHYS_PFN() macro in io_mapping_map_atomic_wc() instead of open coded
variant.
Link: http://lkml.kernel.org/r/20191209165624.56351-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There were few episodes of silent downgrade to an executable stack over
years:
1) linking innocent looking assembly file will silently add executable
stack if proper linker options is not given as well:
$ cat f.S
.intel_syntax noprefix
.text
.globl f
f:
ret
$ cat main.c
void f(void);
int main(void)
{
f();
return 0;
}
$ gcc main.c f.S
$ readelf -l ./a.out
GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 RWE 0x10
^^^
2) converting C99 nested function into a closure
https://nullprogram.com/blog/2019/11/15/
void intsort2(int *base, size_t nmemb, _Bool invert)
{
int cmp(const void *a, const void *b)
{
int r = *(int *)a - *(int *)b;
return invert ? -r : r;
}
qsort(base, nmemb, sizeof(*base), cmp);
}
will silently require stack trampolines while non-closure version will
not.
Without doubt this behaviour is documented somewhere, add a warning so
that developers and users can at least notice. After so many years of
x86_64 having proper executable stack support it should not cause too
many problems.
Link: http://lkml.kernel.org/r/20191208171918.GC19716@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Will Deacon <will@kernel.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The variable inode may be NULL in reiserfs_insert_item(), but there is
no check before accessing the member of inode.
Fix this by adding NULL pointer check before calling reiserfs_debug().
Link: http://lkml.kernel.org/r/79c5135d-ff25-1cc9-4e99-9f572b88cc00@huawei.com
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Cc: zhengbin <zhengbin13@huawei.com>
Cc: Hu Shiyuan <hushiyuan@huawei.com>
Cc: Feilong Lin <linfeilong@huawei.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This message leads to thinking that memory protection is not implemented
for the said architecture, whereas absence of CONFIG_STRICT_KERNEL_RWX
only means that memory protection has not been selected at compile time.
Don't print this message when CONFIG_ARCH_HAS_STRICT_KERNEL_RWX is
selected by the architecture. Instead, print "Kernel memory protection
not selected by kernel config."
Link: http://lkml.kernel.org/r/62477e446d9685459d4f27d193af6ff1bd69d55f.1578557581.git.christophe.leroy@c-s.fr
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds