* Fix performance problems found in dioread_nolock now that it is the
default, caused by transaction leaks.
* Clean up fiemap handling in ext4
* Clean up and refactor multiple block allocator (mballoc) code
* Fix a problem with mballoc with a smaller file systems running out
of blocks because they couldn't properly use blocks that had been
reserved by inode preallocation.
* Fixed a race in ext4_sync_parent() versus rename()
* Simplify the error handling in the extent manipulation code
* Make sure all metadata I/O errors are felected to ext4_ext_dirty()'s and
ext4_make_inode_dirty()'s callers.
* Avoid passing an error pointer to brelse in ext4_xattr_set()
* Fix race which could result to freeing an inode on the dirty last
in data=journal mode.
* Fix refcount handling if ext4_iget() fails
* Fix a crash in generic/019 caused by a corrupted extent node
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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:
"A lot of bug fixes and cleanups for ext4, including:
- Fix performance problems found in dioread_nolock now that it is the
default, caused by transaction leaks.
- Clean up fiemap handling in ext4
- Clean up and refactor multiple block allocator (mballoc) code
- Fix a problem with mballoc with a smaller file systems running out
of blocks because they couldn't properly use blocks that had been
reserved by inode preallocation.
- Fixed a race in ext4_sync_parent() versus rename()
- Simplify the error handling in the extent manipulation code
- Make sure all metadata I/O errors are felected to
ext4_ext_dirty()'s and ext4_make_inode_dirty()'s callers.
- Avoid passing an error pointer to brelse in ext4_xattr_set()
- Fix race which could result to freeing an inode on the dirty last
in data=journal mode.
- Fix refcount handling if ext4_iget() fails
- Fix a crash in generic/019 caused by a corrupted extent node"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (58 commits)
ext4: avoid unnecessary transaction starts during writeback
ext4: don't block for O_DIRECT if IOCB_NOWAIT is set
ext4: remove the access_ok() check in ext4_ioctl_get_es_cache
fs: remove the access_ok() check in ioctl_fiemap
fs: handle FIEMAP_FLAG_SYNC in fiemap_prep
fs: move fiemap range validation into the file systems instances
iomap: fix the iomap_fiemap prototype
fs: move the fiemap definitions out of fs.h
fs: mark __generic_block_fiemap static
ext4: remove the call to fiemap_check_flags in ext4_fiemap
ext4: split _ext4_fiemap
ext4: fix fiemap size checks for bitmap files
ext4: fix EXT4_MAX_LOGICAL_BLOCK macro
add comment for ext4_dir_entry_2 file_type member
jbd2: avoid leaking transaction credits when unreserving handle
ext4: drop ext4_journal_free_reserved()
ext4: mballoc: use lock for checking free blocks while retrying
ext4: mballoc: refactor ext4_mb_good_group()
ext4: mballoc: introduce pcpu seqcnt for freeing PA to improve ENOSPC handling
ext4: mballoc: refactor ext4_mb_discard_preallocations()
...
version 2 feature that adds support for pairing regular block
devices with a zoned device to ease performance impact associated
with finite random zones of zoned device. Changes came in 3
batches: first prepared for and then added the ability to pair a
single regular block device, second was a batch of fixes to improve
zoned's reclaim heuristic, third removed the limitation of only
adding a single additional regular block device to allow many
devices. Testing has shown linear scaling as more devices are
added.
- Add new emulated block size (ebs) target that emulates a smaller
logical_block_size than a block device supports. Primary use-case
is to emulate "512e" devices that have 512 byte logical_block_size
and 4KB physical_block_size. This is useful to some legacy
applications otherwise wouldn't be ablee to be used on 4K devices
because they depend on issuing IO in 512 byte granularity.
- Add discard interfaces to DM bufio. First consumer of the interface
is the dm-ebs target that makes heavy use of dm-bufio.
- Fix DM crypt's block queue_limits stacking to not truncate
logic_block_size.
- Add Documentation for DM integrity's status line.
- Switch DMDEBUG from a compile time config option to instead use
dynamic debug via pr_debug.
- Fix DM multipath target's hueristic for how it manages
"queue_if_no_path" state internally. DM multipath now avoids
disabling "queue_if_no_path" unless it is actually needed (e.g. in
response to configure timeout or explicit "fail_if_no_path"
message). This fixes reports of spurious -EIO being reported back
to userspace application during fault tolerance testing with an NVMe
backend. Added various dynamic DMDEBUG messages to assist with
debugging queue_if_no_path in the future.
- Add a new DM multipath "Historical Service Time" Path Selector.
- Fix DM multipath's dm_blk_ioctl() to switch paths on IO error.
- Improve DM writecache target performance by using explicit
cache flushing for target's single-threaded usecase and a small
cleanup to remove unnecessary test in persistent_memory_claim.
- Other small cleanups in DM core, dm-persistent-data, and DM integrity.
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Merge tag 'for-5.8/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- The largest change for this cycle is the DM zoned target's metadata
version 2 feature that adds support for pairing regular block devices
with a zoned device to ease the performance impact associated with
finite random zones of zoned device.
The changes came in three batches: the first prepared for and then
added the ability to pair a single regular block device, the second
was a batch of fixes to improve zoned's reclaim heuristic, and the
third removed the limitation of only adding a single additional
regular block device to allow many devices.
Testing has shown linear scaling as more devices are added.
- Add new emulated block size (ebs) target that emulates a smaller
logical_block_size than a block device supports
The primary use-case is to emulate "512e" devices that have 512 byte
logical_block_size and 4KB physical_block_size. This is useful to
some legacy applications that otherwise wouldn't be able to be used
on 4K devices because they depend on issuing IO in 512 byte
granularity.
- Add discard interfaces to DM bufio. First consumer of the interface
is the dm-ebs target that makes heavy use of dm-bufio.
- Fix DM crypt's block queue_limits stacking to not truncate
logic_block_size.
- Add Documentation for DM integrity's status line.
- Switch DMDEBUG from a compile time config option to instead use
dynamic debug via pr_debug.
- Fix DM multipath target's hueristic for how it manages
"queue_if_no_path" state internally.
DM multipath now avoids disabling "queue_if_no_path" unless it is
actually needed (e.g. in response to configure timeout or explicit
"fail_if_no_path" message).
This fixes reports of spurious -EIO being reported back to userspace
application during fault tolerance testing with an NVMe backend.
Added various dynamic DMDEBUG messages to assist with debugging
queue_if_no_path in the future.
- Add a new DM multipath "Historical Service Time" Path Selector.
- Fix DM multipath's dm_blk_ioctl() to switch paths on IO error.
- Improve DM writecache target performance by using explicit cache
flushing for target's single-threaded usecase and a small cleanup to
remove unnecessary test in persistent_memory_claim.
- Other small cleanups in DM core, dm-persistent-data, and DM
integrity.
* tag 'for-5.8/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (62 commits)
dm crypt: avoid truncating the logical block size
dm mpath: add DM device name to Failing/Reinstating path log messages
dm mpath: enhance queue_if_no_path debugging
dm mpath: restrict queue_if_no_path state machine
dm mpath: simplify __must_push_back
dm zoned: check superblock location
dm zoned: prefer full zones for reclaim
dm zoned: select reclaim zone based on device index
dm zoned: allocate zone by device index
dm zoned: support arbitrary number of devices
dm zoned: move random and sequential zones into struct dmz_dev
dm zoned: per-device reclaim
dm zoned: add metadata pointer to struct dmz_dev
dm zoned: add device pointer to struct dm_zone
dm zoned: allocate temporary superblock for tertiary devices
dm zoned: convert to xarray
dm zoned: add a 'reserved' zone flag
dm zoned: improve logging messages for reclaim
dm zoned: avoid unnecessary device recalulation for secondary superblock
dm zoned: add debugging message for reading superblocks
...
A few large, long discussed works this time. The RNBD block driver has
been posted for nearly two years now, and the removal of FMR has been a
recurring discussion theme for a long time. The usual smattering of
features and bug fixes.
- Various small driver bugs fixes in rxe, mlx5, hfi1, and efa
- Continuing driver cleanups in bnxt_re, hns
- Big cleanup of mlx5 QP creation flows
- More consistent use of src port and flow label when LAG is used and a
mlx5 implementation
- Additional set of cleanups for IB CM
- 'RNBD' network block driver and target. This is a network block RDMA
device specific to ionos's cloud environment. It brings strong multipath
and resiliency capabilities.
- Accelerated IPoIB for HFI1
- QP/WQ/SRQ ioctl migration for uverbs, and support for multiple async fds
- Support for exchanging the new IBTA defiend ECE data during RDMA CM
exchanges
- Removal of the very old and insecure FMR interface from all ULPs and
drivers. FRWR should be preferred for at least a decade now.
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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 more active cycle than most of the recent past, with a few large,
long discussed works this time.
The RNBD block driver has been posted for nearly two years now, and
flowing through RDMA due to it also introducing a new ULP.
The removal of FMR has been a recurring discussion theme for a long
time.
And the usual smattering of features and bug fixes.
Summary:
- Various small driver bugs fixes in rxe, mlx5, hfi1, and efa
- Continuing driver cleanups in bnxt_re, hns
- Big cleanup of mlx5 QP creation flows
- More consistent use of src port and flow label when LAG is used and
a mlx5 implementation
- Additional set of cleanups for IB CM
- 'RNBD' network block driver and target. This is a network block
RDMA device specific to ionos's cloud environment. It brings strong
multipath and resiliency capabilities.
- Accelerated IPoIB for HFI1
- QP/WQ/SRQ ioctl migration for uverbs, and support for multiple
async fds
- Support for exchanging the new IBTA defiend ECE data during RDMA CM
exchanges
- Removal of the very old and insecure FMR interface from all ULPs
and drivers. FRWR should be preferred for at least a decade now"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (247 commits)
RDMA/cm: Spurious WARNING triggered in cm_destroy_id()
RDMA/mlx5: Return ECE DC support
RDMA/mlx5: Don't rely on FW to set zeros in ECE response
RDMA/mlx5: Return an error if copy_to_user fails
IB/hfi1: Use free_netdev() in hfi1_netdev_free()
RDMA/hns: Uninitialized variable in modify_qp_init_to_rtr()
RDMA/core: Move and rename trace_cm_id_create()
IB/hfi1: Fix hfi1_netdev_rx_init() error handling
RDMA: Remove 'max_map_per_fmr'
RDMA: Remove 'max_fmr'
RDMA/core: Remove FMR device ops
RDMA/rdmavt: Remove FMR memory registration
RDMA/mthca: Remove FMR support for memory registration
RDMA/mlx4: Remove FMR support for memory registration
RDMA/i40iw: Remove FMR leftovers
RDMA/bnxt_re: Remove FMR leftovers
RDMA/mlx5: Remove FMR leftovers
RDMA/core: Remove FMR pool API
RDMA/rds: Remove FMR support for memory registration
RDMA/srp: Remove support for FMR memory registration
...
Core changes:
- A new GPIO aggregator driver has been merged: this can
join a few select GPIO lines into a new aggregated GPIO
chip. This can be used for security: a process can be
granted access to only these lines, for example for
industrial control. Another way to use this is to
reexpose certain select lines to a virtual machine or
container.
- Warn if the gpio-line-names is too long in he DT parser
core.
- GPIO lines can now be looked up by line name in addition
to being looked up by offset.
New drivers:
- A new generic regmap GPIO driver has been merged. Too
many regmap drivers are starting to look like each other
so we need to create some common ground and try to move
drivers over to using that.
- The F7188X driver now supports F81865.
Driver improvements:
- Large improvements to the PCA953x expander, get multiple lines
and several cleanups.
- Large improvements to the DesignWare DWAPB driver, and Sergey
Semin has volunteered to maintain it.
- PL061 can now be built as a module, this is part of a bigger
effort to make the ARM platforms more modular.
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Merge tag 'gpio-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.8 kernel cycle.
Core changes:
- A new GPIO aggregator driver has been merged: this can join a few
select GPIO lines into a new aggregated GPIO chip. This can be used
for security: a process can be granted access to only these lines,
for example for industrial control. Another way to use this is to
reexpose certain select lines to a virtual machine or container.
- Warn if the gpio-line-names is too long in he DT parser core.
- GPIO lines can now be looked up by line name in addition to being
looked up by offset.
New drivers:
- A new generic regmap GPIO driver has been merged. Too many regmap
drivers are starting to look like each other so we need to create
some common ground and try to move drivers over to using that.
- The F7188X driver now supports F81865.
Driver improvements:
- Large improvements to the PCA953x expander, get multiple lines and
several cleanups.
- Large improvements to the DesignWare DWAPB driver, and Sergey Semin
has volunteered to maintain it.
- PL061 can now be built as a module, this is part of a bigger effort
to make the ARM platforms more modular"
* tag 'gpio-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
gpio: pca953x: Drop unneeded ACPI_PTR()
MAINTAINERS: Add gpio regmap section
gpio: add a reusable generic gpio_chip using regmap
gpiolib: Introduce gpiochip_irqchip_add_domain()
gpio: gpiolib: Allow GPIO IRQs to lazy disable
gpiolib: Separate GPIO_GET_LINEINFO_WATCH_IOCTL conditional
gpio: rcar: Fix runtime PM imbalance on error
gpio: pca935x: Allow IRQ support for driver built as a module
gpio: pxa: Add COMPILE_TEST support
dt-bindings: gpio: Add renesas,em-gio bindings
MAINTAINERS: Fix file name for DesignWare GPIO DT schema
gpio: dwapb: Remove unneeded has_irq member in struct dwapb_port_property
gpio: dwapb: Don't use IRQ 0 as valid Linux interrupt
gpio: dwapb: avoid error message for optional IRQ
gpio: dwapb: Call acpi_gpiochip_free_interrupts() on GPIO chip de-registration
gpio: max730x: bring gpiochip_add_data after port config
MAINTAINERS: Add GPIO Aggregator section
docs: gpio: Add GPIO Aggregator documentation
gpio: Add GPIO Aggregator
gpiolib: Add support for GPIO lookup by line name
...
- Support for userspace to send requests directly to the on-chip GZIP
accelerator on Power9.
- Rework of our lockless page table walking (__find_linux_pte()) to make it
safe against parallel page table manipulations without relying on an IPI for
serialisation.
- A series of fixes & enhancements to make our machine check handling more
robust.
- Lots of plumbing to add support for "prefixed" (64-bit) instructions on
Power10.
- Support for using huge pages for the linear mapping on 8xx (32-bit).
- Remove obsolete Xilinx PPC405/PPC440 support, and an associated sound driver.
- Removal of some obsolete 40x platforms and associated cruft.
- Initial support for booting on Power10.
- Lots of other small features, cleanups & fixes.
Thanks to:
Alexey Kardashevskiy, Alistair Popple, Andrew Donnellan, Andrey Abramov,
Aneesh Kumar K.V, Balamuruhan S, Bharata B Rao, Bulent Abali, Cédric Le
Goater, Chen Zhou, Christian Zigotzky, Christophe JAILLET, Christophe Leroy,
Dmitry Torokhov, Emmanuel Nicolet, Erhard F., Gautham R. Shenoy, Geoff Levand,
George Spelvin, Greg Kurz, Gustavo A. R. Silva, Gustavo Walbon, Haren Myneni,
Hari Bathini, Joel Stanley, Jordan Niethe, Kajol Jain, Kees Cook, Leonardo
Bras, Madhavan Srinivasan., Mahesh Salgaonkar, Markus Elfring, Michael
Neuling, Michal Simek, Nathan Chancellor, Nathan Lynch, Naveen N. Rao,
Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Pingfan Liu, Qian Cai, Ram
Pai, Raphael Moreira Zinsly, Ravi Bangoria, Sam Bobroff, Sandipan Das, Segher
Boessenkool, Stephen Rothwell, Sukadev Bhattiprolu, Tyrel Datwyler, Wolfram
Sang, Xiongfeng Wang.
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Merge tag 'powerpc-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Support for userspace to send requests directly to the on-chip GZIP
accelerator on Power9.
- Rework of our lockless page table walking (__find_linux_pte()) to
make it safe against parallel page table manipulations without
relying on an IPI for serialisation.
- A series of fixes & enhancements to make our machine check handling
more robust.
- Lots of plumbing to add support for "prefixed" (64-bit) instructions
on Power10.
- Support for using huge pages for the linear mapping on 8xx (32-bit).
- Remove obsolete Xilinx PPC405/PPC440 support, and an associated sound
driver.
- Removal of some obsolete 40x platforms and associated cruft.
- Initial support for booting on Power10.
- Lots of other small features, cleanups & fixes.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Andrew Donnellan,
Andrey Abramov, Aneesh Kumar K.V, Balamuruhan S, Bharata B Rao, Bulent
Abali, Cédric Le Goater, Chen Zhou, Christian Zigotzky, Christophe
JAILLET, Christophe Leroy, Dmitry Torokhov, Emmanuel Nicolet, Erhard F.,
Gautham R. Shenoy, Geoff Levand, George Spelvin, Greg Kurz, Gustavo A.
R. Silva, Gustavo Walbon, Haren Myneni, Hari Bathini, Joel Stanley,
Jordan Niethe, Kajol Jain, Kees Cook, Leonardo Bras, Madhavan
Srinivasan., Mahesh Salgaonkar, Markus Elfring, Michael Neuling, Michal
Simek, Nathan Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas Piggin,
Oliver O'Halloran, Paul Mackerras, Pingfan Liu, Qian Cai, Ram Pai,
Raphael Moreira Zinsly, Ravi Bangoria, Sam Bobroff, Sandipan Das, Segher
Boessenkool, Stephen Rothwell, Sukadev Bhattiprolu, Tyrel Datwyler,
Wolfram Sang, Xiongfeng Wang.
* tag 'powerpc-5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (299 commits)
powerpc/pseries: Make vio and ibmebus initcalls pseries specific
cxl: Remove dead Kconfig options
powerpc: Add POWER10 architected mode
powerpc/dt_cpu_ftrs: Add MMA feature
powerpc/dt_cpu_ftrs: Enable Prefixed Instructions
powerpc/dt_cpu_ftrs: Advertise support for ISA v3.1 if selected
powerpc: Add support for ISA v3.1
powerpc: Add new HWCAP bits
powerpc/64s: Don't set FSCR bits in INIT_THREAD
powerpc/64s: Save FSCR to init_task.thread.fscr after feature init
powerpc/64s: Don't let DT CPU features set FSCR_DSCR
powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()
powerpc/32s: Fix another build failure with CONFIG_PPC_KUAP_DEBUG
powerpc/module_64: Use special stub for _mcount() with -mprofile-kernel
powerpc/module_64: Simplify check for -mprofile-kernel ftrace relocations
powerpc/module_64: Consolidate ftrace code
powerpc/32: Disable KASAN with pages bigger than 16k
powerpc/uaccess: Don't set KUEP by default on book3s/32
powerpc/uaccess: Don't set KUAP by default on book3s/32
powerpc/8xx: Reduce time spent in allow_user_access() and friends
...
- Convert various DT (non-binding) doc files to ReST
- Various improvements to device link code
- Fix __of_attach_node_sysfs refcounting bug
- Add support for 'memory-region-names' with reserved-memory binding
- Vendor prefixes for Protonic Holland, BeagleBoard.org, Alps, Check
Point, Würth Elektronik, U-Boot, Vaisala, Baikal Electronics, Shanghai
Awinic Technology Co., MikroTik, Silex Insight
- A bunch more binding conversions to DT schema. Only 3K to go.
- Add a minimum version check for schema tools
- Treewide dropping of 'allOf' usage with schema references. Not needed
in new json-schema spec.
- Some formatting clean-ups of schemas
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Merge tag 'devicetree-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Convert various DT (non-binding) doc files to ReST
- Various improvements to device link code
- Fix __of_attach_node_sysfs refcounting bug
- Add support for 'memory-region-names' with reserved-memory binding
- Vendor prefixes for Protonic Holland, BeagleBoard.org, Alps, Check
Point, Würth Elektronik, U-Boot, Vaisala, Baikal Electronics,
Shanghai Awinic Technology Co., MikroTik, Silex Insight
- A bunch more binding conversions to DT schema. Only 3K to go.
- Add a minimum version check for schema tools
- Treewide dropping of 'allOf' usage with schema references. Not needed
in new json-schema spec.
- Some formatting clean-ups of schemas
* tag 'devicetree-for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (194 commits)
dt-bindings: clock: Add documentation for X1830 bindings.
dt-bindings: mailbox: Convert imx mu to json-schema
dt-bindings: power: Convert imx gpcv2 to json-schema
dt-bindings: power: Convert imx gpc to json-schema
dt-bindings: Merge gpio-usb-b-connector with usb-connector
dt-bindings: timer: renesas: cmt: Convert to json-schema
dt-bindings: clock: Convert i.MX8QXP LPCG to json-schema
dt-bindings: timer: Convert i.MX GPT to json-schema
dt-bindings: thermal: rcar-thermal: Add device tree support for r8a7742
dt-bindings: serial: Add binding for UART pin swap
dt-bindings: geni-se: Add interconnect binding for GENI QUP
dt-bindings: geni-se: Convert QUP geni-se bindings to YAML
dt-bindings: vendor-prefixes: Add Silex Insight vendor prefix
dt-bindings: input: touchscreen: edt-ft5x06: change reg property
dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver
dt-bindings: timer: renesas: mtu2: Convert to json-schema
of/fdt: Remove redundant kbasename function call
dt-bindings: clock: Convert i.MX1 clock to json-schema
dt-bindings: clock: Convert i.MX21 clock to json-schema
dt-bindings: clock: Convert i.MX25 clock to json-schema
...
This is the set of device tree changes, mostly covering new
hardware support, with 577 patches touching a little over 500
files.
There are five new Arm SoCs supported in this release, all of
them for existing SoC families:
- Realtek RTD1195, RTD1395 and RTD1619 -- three SoCs used in
both NAS devices and Android Set-top-box designs, along
with the "Horseradish", "Lion Skin" and "Mjolnir" reference
platforms; the Mele X1000 and Xnano X5 set-top-boxes and
the Banana Pi BPi-M4 single-board computer.
- Renesas RZ/G1H (r8a7742) -- a high-end 32-bit industrial SoC
and the iW-RainboW-G21D-Qseven-RZG1H board/SoM
- Rockchips RK3326 -- low-end 64-bit SoC along with the
Odroid-GO Advance game console
Newly added machines on already supported SoCs are:
- AMLogic S905D based Smartlabs SML-5442TW TV box
- AMLogic S905X3 based ODROID-C4 SBC
- AMLogic S922XH based Beelink GT-King Pro TV box
- Allwinner A20 based Olimex A20-OLinuXino-LIME-eMMC SBC
- Aspeed ast2500 based BMCs in Facebook x86 "Yosemite V2"
and YADRO OpenPower P9 "Nicole"
- Marvell Kirkwood based Check Point L-50 router
- Mediatek MT8173 based Elm/Hana Chromebook laptops
- Microchip SAMA5D2 "Industrial Connectivity Platform"
reference board
- NXP i.MX8m based Beacon i.MX8m-Mini SoM development kit
- Octavo OSDMP15x based Linux Automation MC-1 development board
- Qualcomm SDM630 based Xiaomi Redmi Note 7 phone
- Realtek RTD1295 based Xnano X5 TV Box
- STMicroelectronics STM32MP1 based Stinger96 single-board
computer and IoT Box
- Samsung Exynos4210 based based Samsung Galaxy S2 phone
- Socionext Uniphier based Akebi96 SBC
- TI Keystone based K2G Evaluation board
- TI am5729 based Beaglebone-AI development board
Include device descriptions for additional hardware support in existing
SoCs and machines based on all major SoC platforms:
- AMlogic Meson
- Allwinner sunxi
- Arm Juno/VFP/Vexpress/Integrator
- Broadcom bcm283x/bcm2711
- Hisilicon hi6220
- Marvell EBU
- Mediatek MT27xx, MT76xx, MT81xx and MT67xx
- Microchip SAMA5D2
- NXP i.MX6/i.MX7/i.MX8 and Layerscape
- Nvidia Tegra
- Qualcomm Snapdragon
- Renesas r8a77961, r8a7791
- Rockchips RK32xx/RK33xx
- ST-Ericsson ux500
- STMicroelectronics SMT32
- Samsung Exynos and S5PV210
- Socionext Uniphier
- TI OMAP5/DRA7 and Keystone
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-dt-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM devicetree updates from Arnd Bergmann:
"This is the set of device tree changes, mostly covering new hardware
support, with 577 patches touching a little over 500 files.
There are five new Arm SoCs supported in this release, all of them for
existing SoC families:
- Realtek RTD1195, RTD1395 and RTD1619 -- three SoCs used in both NAS
devices and Android Set-top-box designs, along with the
"Horseradish", "Lion Skin" and "Mjolnir" reference platforms; the
Mele X1000 and Xnano X5 set-top-boxes and the Banana Pi BPi-M4
single-board computer.
- Renesas RZ/G1H (r8a7742) -- a high-end 32-bit industrial SoC and
the iW-RainboW-G21D-Qseven-RZG1H board/SoM
- Rockchips RK3326 -- low-end 64-bit SoC along with the Odroid-GO
Advance game console
Newly added machines on already supported SoCs are:
- AMLogic S905D based Smartlabs SML-5442TW TV box
- AMLogic S905X3 based ODROID-C4 SBC
- AMLogic S922XH based Beelink GT-King Pro TV box
- Allwinner A20 based Olimex A20-OLinuXino-LIME-eMMC SBC
- Aspeed ast2500 based BMCs in Facebook x86 "Yosemite V2" and YADRO
OpenPower P9 "Nicole"
- Marvell Kirkwood based Check Point L-50 router
- Mediatek MT8173 based Elm/Hana Chromebook laptops
- Microchip SAMA5D2 "Industrial Connectivity Platform" reference
board
- NXP i.MX8m based Beacon i.MX8m-Mini SoM development kit
- Octavo OSDMP15x based Linux Automation MC-1 development board
- Qualcomm SDM630 based Xiaomi Redmi Note 7 phone
- Realtek RTD1295 based Xnano X5 TV Box
- STMicroelectronics STM32MP1 based Stinger96 single-board computer
and IoT Box
- Samsung Exynos4210 based based Samsung Galaxy S2 phone
- Socionext Uniphier based Akebi96 SBC
- TI Keystone based K2G Evaluation board
- TI am5729 based Beaglebone-AI development board
Include device descriptions for additional hardware support in
existing SoCs and machines based on all major SoC platforms:
- AMlogic Meson
- Allwinner sunxi
- Arm Juno/VFP/Vexpress/Integrator
- Broadcom bcm283x/bcm2711
- Hisilicon hi6220
- Marvell EBU
- Mediatek MT27xx, MT76xx, MT81xx and MT67xx
- Microchip SAMA5D2
- NXP i.MX6/i.MX7/i.MX8 and Layerscape
- Nvidia Tegra
- Qualcomm Snapdragon
- Renesas r8a77961, r8a7791
- Rockchips RK32xx/RK33xx
- ST-Ericsson ux500
- STMicroelectronics SMT32
- Samsung Exynos and S5PV210
- Socionext Uniphier
- TI OMAP5/DRA7 and Keystone"
* tag 'arm-dt-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (564 commits)
ARM: dts: keystone: Rename "msmram" node to "sram"
arm: dts: mt2712: add uart APDMA to device tree
arm64: dts: mt8183: add mmc node
arm64: dts: mt2712: add ethernet device node
arm64: tegra: Make the RTC a wakeup source on Jetson Nano and TX1
ARM: dts: mmp3: Add the fifth SD HCI
ARM: dts: berlin*: Fix up the SDHCI node names
ARM: dts: mmp3: Fix USB & USB PHY node names
ARM: dts: mmp3: Fix L2 cache controller node name
ARM: dts: mmp*: Fix up encoding of the /rtc interrupts property
ARM: dts: pxa*: Fix up encoding of the /rtc interrupts property
ARM: dts: pxa910: Fix the gpio interrupt cell number
ARM: dts: pxa3xx: Fix up encoding of the /gpio interrupts property
ARM: dts: pxa168: Fix the gpio interrupt cell number
ARM: dts: pxa168: Add missing address/size cells to i2c nodes
ARM: dts: dove: Fix interrupt controller node name
ARM: dts: kirkwood: Fix interrupt controller node name
arm64: dts: Add SC9863A emmc and sd card nodes
arm64: dts: Add SC9863A clock nodes
arm64: dts: mt6358: add PMIC MT6358 related nodes
...
These are updates to SoC specific drivers that did not have
another subsystem maintainer tree to go through for some
reason:
- Some bus and memory drivers for the MIPS P5600 based
Baikal-T1 SoC that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3,
Qualcomm MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas
RZ/G1H, and Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC
as a transport.
- Mediatek platforms now use a new driver for their "MMSYS"
hardware block that controls clocks and some other aspects
in behalf of the media and gpu drivers.
- Some Tegra processors have improved power management
support, including getting woken up by the PMIC and cluster
power down during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon,
Mediatek, and Tegra.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM/SoC driver updates from Arnd Bergmann:
"These are updates to SoC specific drivers that did not have another
subsystem maintainer tree to go through for some reason:
- Some bus and memory drivers for the MIPS P5600 based Baikal-T1 SoC
that is getting added through the MIPS tree.
- There are new soc_device identification drivers for TI K3, Qualcomm
MSM8939
- New reset controller drivers for NXP i.MX8MP, Renesas RZ/G1H, and
Hisilicon hi6220
- The SCMI firmware interface can now work across ARM SMC/HVC as a
transport.
- Mediatek platforms now use a new driver for their "MMSYS" hardware
block that controls clocks and some other aspects in behalf of the
media and gpu drivers.
- Some Tegra processors have improved power management support,
including getting woken up by the PMIC and cluster power down
during idle.
- A new v4l staging driver for Tegra is added.
- Cleanups and minor bugfixes for TI, NXP, Hisilicon, Mediatek, and
Tegra"
* tag 'arm-drivers-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (155 commits)
clk: sprd: fix compile-testing
bus: bt1-axi: Build the driver into the kernel
bus: bt1-apb: Build the driver into the kernel
bus: bt1-axi: Use sysfs_streq instead of strncmp
bus: bt1-axi: Optimize the return points in the driver
bus: bt1-apb: Use sysfs_streq instead of strncmp
bus: bt1-apb: Use PTR_ERR_OR_ZERO to return from request-regs method
bus: bt1-apb: Fix show/store callback identations
bus: bt1-apb: Include linux/io.h
dt-bindings: memory: Add Baikal-T1 L2-cache Control Block binding
memory: Add Baikal-T1 L2-cache Control Block driver
bus: Add Baikal-T1 APB-bus driver
bus: Add Baikal-T1 AXI-bus driver
dt-bindings: bus: Add Baikal-T1 APB-bus binding
dt-bindings: bus: Add Baikal-T1 AXI-bus binding
staging: tegra-video: fix V4L2 dependency
tee: fix crypto select
drivers: soc: ti: knav_qmss_queue: Make knav_gp_range_ops static
soc: ti: add k3 platforms chipid module driver
dt-bindings: soc: ti: add binding for k3 platforms chipid module
...
One new platform gets added, the Realtek RTD1195, which is an older
Cortex-a7 based relative of the RTD12xx chips that are already supported
in arch/arm64. The platform may also be extended to support running
32-bit kernels on those 64-bit chips for memory-constrained machines.
In the Renesas shmobile platform, we gain support for "RZ/G1H" or R8A7742,
an eight-core chip based on Cortex-A15 and Cortex-A7 cores, originally
released in 2016 as one of the last high-end 32-bit designs.
There is ongoing cleanup for the integrator, tegra, imx, and omap2
platforms, with integrator getting very close to the goal of having
zero code in arch/arm/, and omap2 moving more of the chip specifics
from old board code into device tree files.
The Versatile Express platform is made more modular, with built-in
drivers now becoming loadable modules. This is part of a greater effort
for the Android OS to have a common kernel binary for all platforms and
any platform specific code in loadable modules.
The PXA platform drops support for Compulab's pxa2xx boards that had
rather unusual flash and PCI drivers but no known users remaining.
All device drivers specific to those boards can now get removed as
well.
Across platforms, there is ongoing cleanup, with Geert and Rob
revisiting some a lot of Kconfig options.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"One new platform gets added, the Realtek RTD1195, which is an older
Cortex-a7 based relative of the RTD12xx chips that are already
supported in arch/arm64. The platform may also be extended to support
running 32-bit kernels on those 64-bit chips for memory-constrained
machines.
In the Renesas shmobile platform, we gain support for "RZ/G1H" or
R8A7742, an eight-core chip based on Cortex-A15 and Cortex-A7 cores,
originally released in 2016 as one of the last high-end 32-bit
designs.
There is ongoing cleanup for the integrator, tegra, imx, and omap2
platforms, with integrator getting very close to the goal of having
zero code in arch/arm/, and omap2 moving more of the chip specifics
from old board code into device tree files.
The Versatile Express platform is made more modular, with built-in
drivers now becoming loadable modules. This is part of a greater
effort for the Android OS to have a common kernel binary for all
platforms and any platform specific code in loadable modules.
The PXA platform drops support for Compulab's pxa2xx boards that had
rather unusual flash and PCI drivers but no known users remaining. All
device drivers specific to those boards can now get removed as well.
Across platforms, there is ongoing cleanup, with Geert and Rob
revisiting some a lot of Kconfig options"
* tag 'arm-soc-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (94 commits)
ARM: omap2: fix omap5_realtime_timer_init definition
ARM: zynq: Don't select CONFIG_ICST
ARM: OMAP2+: Fix regression for using local timer on non-SMP SoCs
clk: versatile: Fix kconfig dependency on COMMON_CLK_VERSATILE
ARM: davinci: fix build failure without I2C
power: reset: vexpress: fix build issue
power: vexpress: cleanup: use builtin_platform_driver
power: vexpress: add suppress_bind_attrs to true
Revert "ARM: vexpress: Don't select VEXPRESS_CONFIG"
MAINTAINERS: pxa: remove Compulab arm/pxa support
ARM: pxa: remove Compulab pxa2xx boards
bus: arm-integrator-lm: Fix return value check in integrator_ap_lm_probe()
soc: imx: move cpu code to drivers/soc/imx
ARM: imx: move cpu definitions into a header
ARM: imx: use device_initcall for imx_soc_device_init
ARM: imx: pcm037: make pcm970_sja1000_platform_data static
bus: ti-sysc: Timers no longer need legacy quirk handling
ARM: OMAP2+: Drop old timer code for dmtimer and 32k counter
ARM: dts: Configure system timers for omap2
ARM: dts: Configure system timers for ti81xx
...
Merge yet more updates from Andrew Morton:
- More MM work. 100ish more to go. Mike Rapoport's "mm: remove
__ARCH_HAS_5LEVEL_HACK" series should fix the current ppc issue
- Various other little subsystems
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (127 commits)
lib/ubsan.c: fix gcc-10 warnings
tools/testing/selftests/vm: remove duplicate headers
selftests: vm: pkeys: fix multilib builds for x86
selftests: vm: pkeys: use the correct page size on powerpc
selftests/vm/pkeys: override access right definitions on powerpc
selftests/vm/pkeys: test correct behaviour of pkey-0
selftests/vm/pkeys: introduce a sub-page allocator
selftests/vm/pkeys: detect write violation on a mapped access-denied-key page
selftests/vm/pkeys: associate key on a mapped page and detect write violation
selftests/vm/pkeys: associate key on a mapped page and detect access violation
selftests/vm/pkeys: improve checks to determine pkey support
selftests/vm/pkeys: fix assertion in test_pkey_alloc_exhaust()
selftests/vm/pkeys: fix number of reserved powerpc pkeys
selftests/vm/pkeys: introduce powerpc support
selftests/vm/pkeys: introduce generic pkey abstractions
selftests: vm: pkeys: use the correct huge page size
selftests/vm/pkeys: fix alloc_random_pkey() to make it really random
selftests/vm/pkeys: fix assertion in pkey_disable_set/clear()
selftests/vm/pkeys: fix pkey_disable_clear()
selftests: vm: pkeys: add helpers for pkey bits
...
This adds tests which will validate architecture page table helpers and
other accessors in their compliance with expected generic MM semantics.
This will help various architectures in validating changes to existing
page table helpers or addition of new ones.
This test covers basic page table entry transformations including but not
limited to old, young, dirty, clean, write, write protect etc at various
level along with populating intermediate entries with next page table page
and validating them.
Test page table pages are allocated from system memory with required size
and alignments. The mapped pfns at page table levels are derived from a
real pfn representing a valid kernel text symbol. This test gets called
via late_initcall().
This test gets built and run when CONFIG_DEBUG_VM_PGTABLE is selected.
Any architecture, which is willing to subscribe this test will need to
select ARCH_HAS_DEBUG_VM_PGTABLE. For now this is limited to arc, arm64,
x86, s390 and powerpc platforms where the test is known to build and run
successfully Going forward, other architectures too can subscribe the test
after fixing any build or runtime problems with their page table helpers.
Folks interested in making sure that a given platform's page table helpers
conform to expected generic MM semantics should enable the above config
which will just trigger this test during boot. Any non conformity here
will be reported as an warning which would need to be fixed. This test
will help catch any changes to the agreed upon semantics expected from
generic MM and enable platforms to accommodate it thereafter.
[anshuman.khandual@arm.com: v17]
Link: http://lkml.kernel.org/r/1587436495-22033-3-git-send-email-anshuman.khandual@arm.com
[anshuman.khandual@arm.com: v18]
Link: http://lkml.kernel.org/r/1588564865-31160-3-git-send-email-anshuman.khandual@arm.com
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390]
Tested-by: Christophe Leroy <christophe.leroy@c-s.fr> [ppc32]
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Link: http://lkml.kernel.org/r/1583919272-24178-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This change extends kcov remote coverage support to allow collecting
coverage from soft interrupts in addition to kernel background threads.
To collect coverage from code that is executed in softirq context, a part
of that code has to be annotated with kcov_remote_start/stop() in a
similar way as how it is done for global kernel background threads. Then
the handle used for the annotations has to be passed to the
KCOV_REMOTE_ENABLE ioctl.
Internally this patch adjusts the __sanitizer_cov_trace_pc() compiler
inserted callback to not bail out when called from softirq context.
kcov_remote_start/stop() are updated to save/restore the current per task
kcov state in a per-cpu area (in case the softirq came when the kernel was
already collecting coverage in task context). Coverage from softirqs is
collected into pre-allocated per-cpu areas, whose size is controlled by
the new CONFIG_KCOV_IRQ_AREA_SIZE.
[andreyknvl@google.com: turn current->kcov_softirq into unsigned int to fix objtool warning]
Link: http://lkml.kernel.org/r/841c778aa3849c5cb8c3761f56b87ce653a88671.1585233617.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Marco Elver <elver@google.com>
Link: http://lkml.kernel.org/r/469bd385c431d050bc38a593296eff4baae50666.1584655448.git.andreyknvl@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull execve updates from Eric Biederman:
"Last cycle for the Nth time I ran into bugs and quality of
implementation issues related to exec that could not be easily be
fixed because of the way exec is implemented. So I have been digging
into exec and cleanup up what I can.
I don't think I have exec sorted out enough to fix the issues I
started with but I have made some headway this cycle with 4 sets of
changes.
- promised cleanups after introducing exec_update_mutex
- trivial cleanups for exec
- control flow simplifications
- remove the recomputation of bprm->cred
The net result is code that is a bit easier to understand and work
with and a decrease in the number of lines of code (if you don't count
the added tests)"
* 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (24 commits)
exec: Compute file based creds only once
exec: Add a per bprm->file version of per_clear
binfmt_elf_fdpic: fix execfd build regression
selftests/exec: Add binfmt_script regression test
exec: Remove recursion from search_binary_handler
exec: Generic execfd support
exec/binfmt_script: Don't modify bprm->buf and then return -ENOEXEC
exec: Move the call of prepare_binprm into search_binary_handler
exec: Allow load_misc_binary to call prepare_binprm unconditionally
exec: Convert security_bprm_set_creds into security_bprm_repopulate_creds
exec: Factor security_bprm_creds_for_exec out of security_bprm_set_creds
exec: Teach prepare_exec_creds how exec treats uids & gids
exec: Set the point of no return sooner
exec: Move handling of the point of no return to the top level
exec: Run sync_mm_rss before taking exec_update_mutex
exec: Fix spelling of search_binary_handler in a comment
exec: Move the comment from above de_thread to above unshare_sighand
exec: Rename flush_old_exec begin_new_exec
exec: Move most of setup_new_exec into flush_old_exec
exec: In setup_new_exec cache current in the local variable me
...
Pull proc updates from Eric Biederman:
"This has four sets of changes:
- modernize proc to support multiple private instances
- ensure we see the exit of each process tid exactly
- remove has_group_leader_pid
- use pids not tasks in posix-cpu-timers lookup
Alexey updated proc so each mount of proc uses a new superblock. This
allows people to actually use mount options with proc with no fear of
messing up another mount of proc. Given the kernel's internal mounts
of proc for things like uml this was a real problem, and resulted in
Android's hidepid mount options being ignored and introducing security
issues.
The rest of the changes are small cleanups and fixes that came out of
my work to allow this change to proc. In essence it is swapping the
pids in de_thread during exec which removes a special case the code
had to handle. Then updating the code to stop handling that special
case"
* 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
proc: proc_pid_ns takes super_block as an argument
remove the no longer needed pid_alive() check in __task_pid_nr_ns()
posix-cpu-timers: Replace __get_task_for_clock with pid_for_clock
posix-cpu-timers: Replace cpu_timer_pid_type with clock_pid_type
posix-cpu-timers: Extend rcu_read_lock removing task_struct references
signal: Remove has_group_leader_pid
exec: Remove BUG_ON(has_group_leader_pid)
posix-cpu-timer: Unify the now redundant code in lookup_task
posix-cpu-timer: Tidy up group_leader logic in lookup_task
proc: Ensure we see the exit of each process tid exactly once
rculist: Add hlists_swap_heads_rcu
proc: Use PIDTYPE_TGID in next_tgid
Use proc_pid_ns() to get pid_namespace from the proc superblock
proc: use named enums for better readability
proc: use human-readable values for hidepid
docs: proc: add documentation for "hidepid=4" and "subset=pid" options and new mount behavior
proc: add option to mount only a pids subset
proc: instantiate only pids that we can ptrace on 'hidepid=4' mount option
proc: allow to mount many instances of proc in one pid namespace
proc: rename struct proc_fs_info to proc_fs_opts
Pull livepatching updates from Jiri Kosina:
- simplifications and improvements for issues Peter Ziljstra found
during his previous work on W^X cleanups.
This allows us to remove livepatch arch-specific .klp.arch sections
and add proper support for jump labels in patched code.
Also, this patchset removes the last module_disable_ro() usage in the
tree.
Patches from Josh Poimboeuf and Peter Zijlstra
- a few other minor cleanups
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
MAINTAINERS: add lib/livepatch to LIVE PATCHING
livepatch: add arch-specific headers to MAINTAINERS
livepatch: Make klp_apply_object_relocs static
MAINTAINERS: adjust to livepatch .klp.arch removal
module: Make module_enable_ro() static again
x86/module: Use text_mutex in apply_relocate_add()
module: Remove module_disable_ro()
livepatch: Remove module_disable_ro() usage
x86/module: Use text_poke() for late relocations
s390/module: Use s390_kernel_write() for late relocations
s390: Change s390_kernel_write() return type to match memcpy()
livepatch: Prevent module-specific KLP rela sections from referencing vmlinux symbols
livepatch: Remove .klp.arch
livepatch: Apply vmlinux-specific KLP relocations early
livepatch: Disallow vmlinux.ko
It was another busy development cycle, and the majority of changes
are found in ASoC side. Below are Some highlights.
ASoC core:
- Lots of core cleanups and refactorings, still on-going work by
Morimoto-san
ASoC drivers:
- Continued work on cleaning up and improving the Intel SOF stuff,
along with new platform support including SoundWire
- Fixes to make the Marvell SSPA driver work upstream
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
USB-audio:
- Improvement for sync and implicit feedback streams with the more
accurate frame size calculation and full-duplex support
- Support for RME Babyface Pro and Prioneer DJ DJM
HD-audio:
- Fixes for Mic mute LED on HP machines
- Re-enable support of Intel SST driver for SKL/KBL platforms
FireWire:
- Lots of refactoring, add support for RME FireFace and MOTU
UltraLite-mk3
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Merge tag 'sound-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was another busy development cycle, and the majority of changes are
found in ASoC side. Below are Some highlights.
ASoC core:
- Lots of core cleanups and refactorings, still on-going work by
Morimoto-san
ASoC drivers:
- Continued work on cleaning up and improving the Intel SOF stuff,
along with new platform support including SoundWire
- Fixes to make the Marvell SSPA driver work upstream
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
USB-audio:
- Improvement for sync and implicit feedback streams with the more
accurate frame size calculation and full-duplex support
- Support for RME Babyface Pro and Prioneer DJ DJM
HD-audio:
- Fixes for Mic mute LED on HP machines
- Re-enable support of Intel SST driver for SKL/KBL platforms
FireWire:
- Lots of refactoring, add support for RME FireFace and MOTU
UltraLite-mk3"
* tag 'sound-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (428 commits)
ALSA: es1688: Add the missed snd_card_free()
ALSA: hda: add sienna_cichlid audio asic id for sienna_cichlid up
ALSA: usb-audio: Add Pioneer DJ DJM-900NXS2 support
ASoC: qcom: q6asm-dai: kCFI fix
ASoC: soc-card: add snd_soc_card_remove_dai_link()
ASoC: soc-card: add snd_soc_card_add_dai_link()
ASoC: soc-card: add snd_soc_card_set_bias_level_post()
ASoC: soc-card: add snd_soc_card_set_bias_level()
ASoC: soc-card: add snd_soc_card_remove()
ASoC: soc-card: add snd_soc_card_late_probe()
ASoC: soc-card: add snd_soc_card_probe()
ASoC: soc-card: add probed bit field to snd_soc_card
ASoC: soc-card: add snd_soc_card_resume_post()
ASoC: soc-card: add snd_soc_card_resume_pre()
ASoC: soc-card: add snd_soc_card_suspend_post()
ASoC: soc-card: add snd_soc_card_suspend_pre()
ASoC: soc-card: move snd_soc_card_subclass to soc-card
ASoC: soc-card: move snd_soc_card_get_codec_dai() to soc-card
ASoC: soc-card: move snd_soc_card_set/get_drvdata() to soc-card
ASoC: soc-card: move snd_soc_card_jack_new() to soc-card
...
New drivers: aw2013, sgm3140, some fixes. Nothing much to see here,
next release should be more interesting.
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Merge tag 'leds-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"New drivers: aw2013, sgm3140, some fixes
Nothing much to see here, next release should be more interesting"
* tag 'leds-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: add aw2013 driver
dt-bindings: leds: Add binding for aw2013
leds: trigger: remove redundant assignment to variable ret
leds: netxbig: Convert to use GPIO descriptors
leds: add sgm3140 driver
dt-bindings: leds: Add binding for sgm3140
leds: ariel: Add driver for status LEDs on Dell Wyse 3020
leds: pwm: check result of led_pwm_set() in led_pwm_add()
leds: tlc591xxt: hide error on EPROBE_DEFER
leds: tca6507: Include the right header
leds: lt3593: Drop surplus include
leds: lp3952: Include the right header
leds: lm355x: Drop surplus include
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Merge tag 'linux-watchdog-5.8-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add new arm_smc_wdt watchdog driver
- da9062 and da9063 improvements
- clarify documentation about stop() that became optional
- document r8a7742 support
- some overall fixes and improvements
* tag 'linux-watchdog-5.8-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: m54xx: Add missing include
dt-bindings: watchdog: renesas,wdt: Document r8a7742 support
watchdog: Fix runtime PM imbalance on error
watchdog: riowd: remove unneeded semicolon
watchdog: Add new arm_smc_wdt watchdog driver
dt-bindings: watchdog: Add ARM smc wdt for mt8173 watchdog
watchdog: imx2_wdt: update contact email
watchdog: iTCO: fix link error
watchdog: da9062: No need to ping manually before setting timeout
watchdog: da9063: Make use of pre-configured timeout during probe
watchdog: da9062: Initialize timeout during probe
watchdog: clarify that stop() is optional
watchdog: imx_sc_wdt: Fix reboot on crash
watchdog: ts72xx_wdt: fix build error
- Add backlight_device_get_by_name() to the API
- New Device Support
- Add support for WLED5 to Qualcomm WLED
- Fix-ups
- Convert to GPIO descriptors; l4f00242t03
- Device Tree fix-ups; qcom-wled
- Bug Fixes
- Properly disable regulators on .probe() failure
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Merge tag 'backlight-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Framework:
- Add backlight_device_get_by_name() to the API
New Device Support:
- Add support for WLED5 to Qualcomm WLED
Fix-ups:
- Convert to GPIO descriptors in l4f00242t03
- Device Tree fix-ups for qcom-wled
Bug Fixes:
- Properly disable regulators on .probe() failure"
* tag 'backlight-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: Add backlight_device_get_by_name()
backlight: qcom-wled: Add support for WLED5 peripheral that is present on PM8150L PMICs
dt-bindings: backlight: qcom-wled: Add WLED5 bindings
backlight: qcom-wled: Add callback functions
dt-bindings: backlight: qcom-wled: Convert the wled bindings to .yaml format
backlight: l4f00242t03: Convert to GPIO descriptors
backlight: lp855x: Ensure regulators are disabled on probe failure
- Constify 'properties' attribute in core header file
- New Drivers
- Add support for Gateworks System Controller
- Add support for MediaTek MT6358 PMIC
- Add support for Mediatek MT6360 PMIC
- Add support for Monolithic Power Systems MP2629 ADC and Battery charger
- Rework Intel's SCU IPC collection
- Eliminate near duplicate IPC functionality
- Split out MFD related activities into a dedicated MFD driver
- Fix-ups
- Use new I2C API; htc-i2cpld
- Remove superfluous code; sprd-sc27xx-spi
- Improve error handling; stm32-timers
- Device Tree additions/fixes; mt6397
- Defer probe betterment; wm8994-core
- Improve module handling; wm8994-core
- Staticify; stpmic1
- Trivial (spelling, formatting); tqmx86
- Bug Fixes
- Fix incorrect register/PCI IDs; intel-lpss-pci
- Fix unbalanced Regulator API calls; wm8994-core
- Fix double free(); wcd934x
- Remove IRQ domain on failure; stmfx
- Reset chip on resume; stmfx
- Disable/enable IRQs on suspend/resume; stmfx
- Do not use bulk writes on H/W which does not support them; max77620
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Merge tag 'mfd-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Constify 'properties' attribute in core header file
New Drivers:
- Add support for Gateworks System Controller
- Add support for MediaTek MT6358 PMIC
- Add support for Mediatek MT6360 PMIC
- Add support for Monolithic Power Systems MP2629 ADC and Battery charger
Fix-ups:
- Use new I2C API in htc-i2cpld
- Remove superfluous code in sprd-sc27xx-spi
- Improve error handling in stm32-timers
- Device Tree additions/fixes in mt6397
- Defer probe betterment in wm8994-core
- Improve module handling in wm8994-core
- Staticify in stpmic1
- Trivial (spelling, formatting) in tqmx86
Bug Fixes:
- Fix incorrect register/PCI IDs in intel-lpss-pci
- Fix unbalanced Regulator API calls in wm8994-core
- Fix double free() in wcd934x
- Remove IRQ domain on failure in stmfx
- Reset chip on resume in stmfx
- Disable/enable IRQs on suspend/resume in stmfx
- Do not use bulk writes on H/W which does not support them in max77620"
* tag 'mfd-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (29 commits)
mfd: mt6360: Remove duplicate REGMAP_IRQ_REG_LINE() entry
mfd: Add support for PMIC MT6360
mfd: max77620: Use single-byte writes on MAX77620
mfd: wcd934x: Drop kfree for memory allocated with devm_kzalloc
mfd: stmfx: Disable IRQ in suspend to avoid spurious interrupt
mfd: stmfx: Fix stmfx_irq_init error path
mfd: stmfx: Reset chip on resume as supply was disabled
mfd: wm8994: Silence warning about supplies during deferred probe
mfd: wm8994: Fix unbalanced calls to regulator_bulk_disable()
mfd: wm8994: Fix driver operation if loaded as modules
dt-bindings: mfd: mediatek: Add MT6397 Pin Controller
mfd: Constify properties in mfd_cell
mfd: stm32-timers: Use dma_request_chan() instead dma_request_slave_channel()
mfd: sprd: Remove unnecessary spi_bus_type setting
mfd: intel-lpss: Update LPSS UART #2 PCI ID for Jasper Lake
mfd: tqmx86: Fix a typo in MODULE_DESCRIPTION
mfd: stpmic1: Make stpmic1_regmap_config static
mfd: htc-i2cpld: Convert to use i2c_new_client_device()
MAINTAINERS: Add entry for mp2629 Battery Charger driver
power: supply: mp2629: Add impedance compensation config
...
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Merge tag 'keys-next-20200602' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull keyring updates from David Howells:
- Fix a documentation warning.
- Replace a zero-length array with a flexible one
- Make the big_key key type use ChaCha20Poly1305 and use the crypto
algorithm directly rather than going through the crypto layer.
- Implement the update op for the big_key type.
* tag 'keys-next-20200602' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys: Implement update for the big_key type
security/keys: rewrite big_key crypto to use library interface
KEYS: Replace zero-length array with flexible-array
Documentation: security: core.rst: add missing argument
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Merge tag 'media/v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Media documentation is now split into admin-guide, driver-api and
userspace-api books (a longstanding request from Jon);
- The media Kconfig was reorganized, in order to make easier to select
drivers and their dependencies;
- The testing drivers now has a separate directory;
- added a new driver for Rockchip Video Decoder IP;
- The atomisp staging driver was resurrected. It is meant to work with
4 generations of cameras on Atom-based laptops, tablets and cell
phones. So, it seems worth investing time to cleanup this driver and
making it in good shape.
- Added some V4L2 core ancillary routines to help with h264 codecs;
- Added an ov2740 image sensor driver;
- The si2157 gained support for Analog TV, which, in turn, added
support for some cx231xx and cx23885 boards to also support analog
standards;
- Added some V4L2 controls (V4L2_CID_CAMERA_ORIENTATION and
V4L2_CID_CAMERA_SENSOR_ROTATION) to help identifying where the camera
is located at the device;
- VIDIOC_ENUM_FMT was extended to support MC-centric devices;
- Lots of drivers improvements and cleanups.
* tag 'media/v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (503 commits)
media: Documentation: media: Refer to mbus format documentation from CSI-2 docs
media: s5k5baf: Replace zero-length array with flexible-array
media: i2c: imx219: Drop <linux/clk-provider.h> and <linux/clkdev.h>
media: i2c: Add ov2740 image sensor driver
media: ov8856: Implement sensor module revision identification
media: ov8856: Add devicetree support
media: dt-bindings: ov8856: Document YAML bindings
media: dvb-usb: Add Cinergy S2 PCIe Dual Port support
media: dvbdev: Fix tuner->demod media controller link
media: dt-bindings: phy: phy-rockchip-dphy-rx0: move rockchip dphy rx0 bindings out of staging
media: staging: dt-bindings: phy-rockchip-dphy-rx0: remove non-used reg property
media: atomisp: unify the version for isp2401 a0 and b0 versions
media: atomisp: update TODO with the current data
media: atomisp: adjust some code at sh_css that could be broken
media: atomisp: don't produce errs for ignored IRQs
media: atomisp: print IRQ when debugging
media: atomisp: isp_mmu: don't use kmem_cache
media: atomisp: add a notice about possible leak resources
media: atomisp: disable the dynamic and reserved pools
media: atomisp: turn on camera before setting it
...
Merge more updates from Andrew Morton:
"More mm/ work, plenty more to come
Subsystems affected by this patch series: slub, memcg, gup, kasan,
pagealloc, hugetlb, vmscan, tools, mempolicy, memblock, hugetlbfs,
thp, mmap, kconfig"
* akpm: (131 commits)
arm64: mm: use ARCH_HAS_DEBUG_WX instead of arch defined
x86: mm: use ARCH_HAS_DEBUG_WX instead of arch defined
riscv: support DEBUG_WX
mm: add DEBUG_WX support
drivers/base/memory.c: cache memory blocks in xarray to accelerate lookup
mm/thp: rename pmd_mknotpresent() as pmd_mkinvalid()
powerpc/mm: drop platform defined pmd_mknotpresent()
mm: thp: don't need to drain lru cache when splitting and mlocking THP
hugetlbfs: get unmapped area below TASK_UNMAPPED_BASE for hugetlbfs
sparc32: register memory occupied by kernel as memblock.memory
include/linux/memblock.h: fix minor typo and unclear comment
mm, mempolicy: fix up gup usage in lookup_node
tools/vm/page_owner_sort.c: filter out unneeded line
mm: swap: memcg: fix memcg stats for huge pages
mm: swap: fix vmstats for huge pages
mm: vmscan: limit the range of LRU type balancing
mm: vmscan: reclaim writepage is IO cost
mm: vmscan: determine anon/file pressure balance at the reclaim root
mm: balance LRU lists based on relative thrashing
mm: only count actual rotations as LRU reclaim cost
...
Replace fiemap_check_flags with a fiemap_prep helper that also takes the
inode and mapped range, and performs the sanity check and truncation
previously done in fiemap_check_range. This way the validation is inside
the file system itself and thus properly works for the stacked overlayfs
case as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Link: https://lore.kernel.org/r/20200523073016.2944131-7-hch@lst.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
To see a sorted result from page_owner, there must be a tiresome
preprocessing step before running page_owner_sort. This patch simply
filters out lines which start with "PFN" while reading the page owner
report.
Signed-off-by: Changhee Han <ch0.han@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Link: http://lkml.kernel.org/r/20200429052940.16968-1-ch0.han@lge.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
With the advent of fast random IO devices (SSDs, PMEM) and in-memory swap
devices such as zswap, it's possible for swap to be much faster than
filesystems, and for swapping to be preferable over thrashing filesystem
caches.
Allow setting swappiness - which defines the rough relative IO cost of
cache misses between page cache and swap-backed pages - to reflect such
situations by making the swap-preferred range configurable.
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Link: http://lkml.kernel.org/r/20200520232525.798933-4-hannes@cmpxchg.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
With all hugetlb page processing done in a single file clean up code.
- Make code match desired semantics
- Update documentation with semantics
- Make all warnings and errors messages start with 'HugeTLB:'.
- Consistently name command line parsing routines.
- Warn if !hugepages_supported() and command line parameters have
been specified.
- Add comments to code
- Describe some of the subtle interactions
- Describe semantics of command line arguments
This patch also fixes issues with implicitly setting the number of
gigantic huge pages to preallocate. Previously on X86 command line,
hugepages=2 default_hugepagesz=1G
would result in zero 1G pages being preallocated and,
# grep HugePages_Total /proc/meminfo
HugePages_Total: 0
# sysctl -a | grep nr_hugepages
vm.nr_hugepages = 2
vm.nr_hugepages_mempolicy = 2
# cat /proc/sys/vm/nr_hugepages
2
After this patch 2 gigantic pages will be preallocated and all the proc,
sysfs, sysctl and meminfo files will accurately reflect this.
To address the issue with gigantic pages, a small change in behavior was
made to command line processing. Previously the command line,
hugepages=128 default_hugepagesz=2M hugepagesz=2M hugepages=256
would result in the allocation of 256 2M huge pages. The value 128 would
be ignored without any warning. After this patch, 128 2M pages will be
allocated and a warning message will be displayed indicating the value of
256 is ignored. This change in behavior is required because allocation of
implicitly specified gigantic pages must be done when the
default_hugepagesz= is encountered for gigantic pages. Previously the
code waited until later in the boot process (hugetlb_init), to allocate
pages of default size. However the bootmem allocator required for
gigantic allocations is not available at this time.
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Sandipan Das <sandipan@linux.ibm.com>
Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390]
Acked-by: Will Deacon <will@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Longpeng <longpeng2@huawei.com>
Cc: Mina Almasry <almasrymina@google.com>
Cc: Nitesh Narayan Lal <nitesh@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Qian Cai <cai@lca.pw>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Link: http://lkml.kernel.org/r/20200417185049.275845-5-mike.kravetz@oracle.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
'max_ptes_shared' specifies how many pages can be shared across multiple
processes. Exceeding the number would block the collapse::
/sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_shared
A higher value may increase memory footprint for some workloads.
By default, at least half of pages has to be not shared.
[colin.king@canonical.com: fix several spelling mistakes]
Link: http://lkml.kernel.org/r/20200420084241.65433-1-colin.king@canonical.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Acked-by: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Link: http://lkml.kernel.org/r/20200416160026.16538-9-kirill.shutemov@linux.intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add Documentation for multithreaded jobs.
Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Josh Triplett <josh@joshtriplett.org>
Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Robert Elliott <elliott@hpe.com>
Cc: Shile Zhang <shile.zhang@linux.alibaba.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Steven Sistare <steven.sistare@oracle.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Link: http://lkml.kernel.org/r/20200527173608.2885243-9-daniel.m.jordan@oracle.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
CONFIG_HAVE_MEMBLOCK_NODE_MAP is used to differentiate initialization of
nodes and zones structures between the systems that have region to node
mapping in memblock and those that don't.
Currently all the NUMA architectures enable this option and for the
non-NUMA systems we can presume that all the memory belongs to node 0 and
therefore the compile time configuration option is not required.
The remaining few architectures that use DISCONTIGMEM without NUMA are
easily updated to use memblock_add_node() instead of memblock_add() and
thus have proper correspondence of memblock regions to NUMA nodes.
Still, free_area_init_node() must have a backward compatible version
because its semantics with and without CONFIG_HAVE_MEMBLOCK_NODE_MAP is
different. Once all the architectures will use the new semantics, the
entire compatibility layer can be dropped.
To avoid addition of extra run time memory to store node id for
architectures that keep memblock but have only a single node, the node id
field of the memblock_region is guarded by CONFIG_NEED_MULTIPLE_NODES and
the corresponding accessors presume that in those cases it is always 0.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Hoan Tran <hoan@os.amperecomputing.com> [arm64]
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Cc: Baoquan He <bhe@redhat.com>
Cc: Brian Cain <bcain@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Guo Ren <guoren@kernel.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Nick Hu <nickhu@andestech.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: http://lkml.kernel.org/r/20200412194859.12663-4-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull networking updates from David Miller:
1) Allow setting bluetooth L2CAP modes via socket option, from Luiz
Augusto von Dentz.
2) Add GSO partial support to igc, from Sasha Neftin.
3) Several cleanups and improvements to r8169 from Heiner Kallweit.
4) Add IF_OPER_TESTING link state and use it when ethtool triggers a
device self-test. From Andrew Lunn.
5) Start moving away from custom driver versions, use the globally
defined kernel version instead, from Leon Romanovsky.
6) Support GRO vis gro_cells in DSA layer, from Alexander Lobakin.
7) Allow hard IRQ deferral during NAPI, from Eric Dumazet.
8) Add sriov and vf support to hinic, from Luo bin.
9) Support Media Redundancy Protocol (MRP) in the bridging code, from
Horatiu Vultur.
10) Support netmap in the nft_nat code, from Pablo Neira Ayuso.
11) Allow UDPv6 encapsulation of ESP in the ipsec code, from Sabrina
Dubroca. Also add ipv6 support for espintcp.
12) Lots of ReST conversions of the networking documentation, from Mauro
Carvalho Chehab.
13) Support configuration of ethtool rxnfc flows in bcmgenet driver,
from Doug Berger.
14) Allow to dump cgroup id and filter by it in inet_diag code, from
Dmitry Yakunin.
15) Add infrastructure to export netlink attribute policies to
userspace, from Johannes Berg.
16) Several optimizations to sch_fq scheduler, from Eric Dumazet.
17) Fallback to the default qdisc if qdisc init fails because otherwise
a packet scheduler init failure will make a device inoperative. From
Jesper Dangaard Brouer.
18) Several RISCV bpf jit optimizations, from Luke Nelson.
19) Correct the return type of the ->ndo_start_xmit() method in several
drivers, it's netdev_tx_t but many drivers were using
'int'. From Yunjian Wang.
20) Add an ethtool interface for PHY master/slave config, from Oleksij
Rempel.
21) Add BPF iterators, from Yonghang Song.
22) Add cable test infrastructure, including ethool interfaces, from
Andrew Lunn. Marvell PHY driver is the first to support this
facility.
23) Remove zero-length arrays all over, from Gustavo A. R. Silva.
24) Calculate and maintain an explicit frame size in XDP, from Jesper
Dangaard Brouer.
25) Add CAP_BPF, from Alexei Starovoitov.
26) Support terse dumps in the packet scheduler, from Vlad Buslov.
27) Support XDP_TX bulking in dpaa2 driver, from Ioana Ciornei.
28) Add devm_register_netdev(), from Bartosz Golaszewski.
29) Minimize qdisc resets, from Cong Wang.
30) Get rid of kernel_getsockopt and kernel_setsockopt in order to
eliminate set_fs/get_fs calls. From Christoph Hellwig.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2517 commits)
selftests: net: ip_defrag: ignore EPERM
net_failover: fixed rollback in net_failover_open()
Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv"
Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv"
vmxnet3: allow rx flow hash ops only when rss is enabled
hinic: add set_channels ethtool_ops support
selftests/bpf: Add a default $(CXX) value
tools/bpf: Don't use $(COMPILE.c)
bpf, selftests: Use bpf_probe_read_kernel
s390/bpf: Use bcr 0,%0 as tail call nop filler
s390/bpf: Maintain 8-byte stack alignment
selftests/bpf: Fix verifier test
selftests/bpf: Fix sample_cnt shared between two threads
bpf, selftests: Adapt cls_redirect to call csum_level helper
bpf: Add csum_level helper for fixing up csum levels
bpf: Fix up bpf_skb_adjust_room helper's skb csum setting
sfc: add missing annotation for efx_ef10_try_update_nic_stats_vf()
crypto/chtls: IPv6 support for inline TLS
Crypto/chcr: Fixes a coccinile check error
Crypto/chcr: Fixes compilations warnings
...
- Move the arch-specific code into arch/arm64/kvm
- Start the post-32bit cleanup
- Cherry-pick a few non-invasive pre-NV patches
x86:
- Rework of TLB flushing
- Rework of event injection, especially with respect to nested virtualization
- Nested AMD event injection facelift, building on the rework of generic code
and fixing a lot of corner cases
- Nested AMD live migration support
- Optimization for TSC deadline MSR writes and IPIs
- Various cleanups
- Asynchronous page fault cleanups (from tglx, common topic branch with tip tree)
- Interrupt-based delivery of asynchronous "page ready" events (host side)
- Hyper-V MSRs and hypercalls for guest debugging
- VMX preemption timer fixes
s390:
- Cleanups
Generic:
- switch vCPU thread wakeup from swait to rcuwait
The other architectures, and the guest side of the asynchronous page fault
work, will come next week.
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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:
- Move the arch-specific code into arch/arm64/kvm
- Start the post-32bit cleanup
- Cherry-pick a few non-invasive pre-NV patches
x86:
- Rework of TLB flushing
- Rework of event injection, especially with respect to nested
virtualization
- Nested AMD event injection facelift, building on the rework of
generic code and fixing a lot of corner cases
- Nested AMD live migration support
- Optimization for TSC deadline MSR writes and IPIs
- Various cleanups
- Asynchronous page fault cleanups (from tglx, common topic branch
with tip tree)
- Interrupt-based delivery of asynchronous "page ready" events (host
side)
- Hyper-V MSRs and hypercalls for guest debugging
- VMX preemption timer fixes
s390:
- Cleanups
Generic:
- switch vCPU thread wakeup from swait to rcuwait
The other architectures, and the guest side of the asynchronous page
fault work, will come next week"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (256 commits)
KVM: selftests: fix rdtsc() for vmx_tsc_adjust_test
KVM: check userspace_addr for all memslots
KVM: selftests: update hyperv_cpuid with SynDBG tests
x86/kvm/hyper-v: Add support for synthetic debugger via hypercalls
x86/kvm/hyper-v: enable hypercalls regardless of hypercall page
x86/kvm/hyper-v: Add support for synthetic debugger interface
x86/hyper-v: Add synthetic debugger definitions
KVM: selftests: VMX preemption timer migration test
KVM: nVMX: Fix VMX preemption timer migration
x86/kvm/hyper-v: Explicitly align hcall param for kvm_hyperv_exit
KVM: x86/pmu: Support full width counting
KVM: x86/pmu: Tweak kvm_pmu_get_msr to pass 'struct msr_data' in
KVM: x86: announce KVM_FEATURE_ASYNC_PF_INT
KVM: x86: acknowledgment mechanism for async pf page ready notifications
KVM: x86: interrupt based APF 'page ready' event delivery
KVM: introduce kvm_read_guest_offset_cached()
KVM: rename kvm_arch_can_inject_async_page_present() to kvm_arch_can_dequeue_async_page_present()
KVM: x86: extend struct kvm_vcpu_pv_apf_data with token info
Revert "KVM: async_pf: Fix #DF due to inject "Page not Present" and "Page Ready" exceptions simultaneously"
KVM: VMX: Replace zero-length array with flexible-array
...
Add documentation for the clock bindings of the X1830 Soc from Ingenic.
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Rob Herring <robh@kernel.org>
By far the biggest change in this cycle are the changes that allow much
earlier debug of systems that are hooked up via UART by taking advantage
of the earlycon framework to implement the kgdb I/O hooks before handing
over to the regular polling I/O drivers once they are available. When
discussing Doug's work we also found and fixed an broken
raw_smp_processor_id() sequence in in_dbg_master().
Also included are a collection of much smaller fixes and tweaks: a
couple of tweaks to ged rid of doc gen or coccicheck warnings, future
proof some internal calculations that made implicit power-of-2
assumptions and eliminate some rather weird handling of magic
environment variables in kdb.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"By far the biggest change in this cycle are the changes that allow
much earlier debug of systems that are hooked up via UART by taking
advantage of the earlycon framework to implement the kgdb I/O hooks
before handing over to the regular polling I/O drivers once they are
available. When discussing Doug's work we also found and fixed an
broken raw_smp_processor_id() sequence in in_dbg_master().
Also included are a collection of much smaller fixes and tweaks: a
couple of tweaks to ged rid of doc gen or coccicheck warnings, future
proof some internal calculations that made implicit power-of-2
assumptions and eliminate some rather weird handling of magic
environment variables in kdb"
* tag 'kgdb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Remove the misfeature 'KDBFLAGS'
kdb: Cleanup math with KDB_CMD_HISTORY_COUNT
serial: amba-pl011: Support kgdboc_earlycon
serial: 8250_early: Support kgdboc_earlycon
serial: qcom_geni_serial: Support kgdboc_earlycon
serial: kgdboc: Allow earlycon initialization to be deferred
Documentation: kgdboc: Document new kgdboc_earlycon parameter
kgdb: Don't call the deinit under spinlock
kgdboc: Disable all the early code when kgdboc is a module
kgdboc: Add kgdboc_earlycon to support early kgdb using boot consoles
kgdboc: Remove useless #ifdef CONFIG_KGDB_SERIAL_CONSOLE in kgdboc
kgdb: Prevent infinite recursive entries to the debugger
kgdb: Delay "kgdbwait" to dbg_late_init() by default
kgdboc: Use a platform device to handle tty drivers showing up late
Revert "kgdboc: disable the console lock when in kgdb"
kgdb: Disable WARN_CONSOLE_UNLOCKED for all kgdb
kgdb: Return true in kgdb_nmi_poll_knock()
kgdb: Drop malformed kernel doc comment
kgdb: Fix spurious true from in_dbg_master()
- added support for MIPSr5 and P5600 cores
- converted Loongson PCI driver into a PCI host driver using the generic
PCI framework
- added emulation of CPUCFG command for Loogonson64 cpus
- removed of LASAT, PMC MSP71xx and NEC MARKEINS/EMMA
- ioremap cleanup
- fix for a race between two threads faulting the same page
- various cleanups and fixes
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Merge tag 'mips_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- added support for MIPSr5 and P5600 cores
- converted Loongson PCI driver into a PCI host driver using the
generic PCI framework
- added emulation of CPUCFG command for Loogonson64 cpus
- removed of LASAT, PMC MSP71xx and NEC MARKEINS/EMMA
- ioremap cleanup
- fix for a race between two threads faulting the same page
- various cleanups and fixes
* tag 'mips_5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (143 commits)
MIPS: ralink: drop ralink_clk_init for mt7621
MIPS: ralink: bootrom: mark a function as __init to save some memory
MIPS: Loongson64: Reorder CPUCFG model match arms
MIPS: Expose Loongson CPUCFG availability via HWCAP
MIPS: Loongson64: Guard against future cores without CPUCFG
MIPS: Fix build warning about "PTR_STR" redefinition
MIPS: Loongson64: Remove not used pci.c
MIPS: Loongson64: Define PCI_IOBASE
MIPS: CPU_LOONGSON2EF need software to maintain cache consistency
MIPS: DTS: Fix build errors used with various configs
MIPS: Loongson64: select NO_EXCEPT_FILL
MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe()
MIPS: mm: add page valid judgement in function pte_modify
mm/memory.c: Add memory read privilege on page fault handling
mm/memory.c: Update local TLB if PTE entry exists
MIPS: Do not flush tlb page when updating PTE entry
MIPS: ingenic: Default to a generic board
MIPS: ingenic: Add support for GCW Zero prototype
MIPS: ingenic: DTS: Add memory info of GCW Zero
MIPS: Loongson64: Switch to generic PCI driver
...
- Add TPAUSE based delay which allows the CPU to enter an optimized power
state while waiting for the delay to pass. The delay is based on TSC
cycles.
- Add tsc_early_khz command line parameter to workaround the problem that
overclocked CPUs can report the wrong frequency via CPUID.16h which
causes the refined calibration to fail because the delta to the initial
frequency value is too big. With the parameter users can provide an
halfways accurate initial value.
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Merge tag 'x86-timers-2020-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer updates from Thomas Gleixner:
"X86 timer specific updates:
- Add TPAUSE based delay which allows the CPU to enter an optimized
power state while waiting for the delay to pass. The delay is based
on TSC cycles.
- Add tsc_early_khz command line parameter to workaround the problem
that overclocked CPUs can report the wrong frequency via CPUID.16h
which causes the refined calibration to fail because the delta to
the initial frequency value is too big. With the parameter users
can provide an halfways accurate initial value"
* tag 'x86-timers-2020-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Add tsc_early_khz command line parameter
x86/delay: Introduce TPAUSE delay
x86/delay: Refactor delay_mwaitx() for TPAUSE support
x86/delay: Preparatory code cleanup
- Not a single new clocksource or clockevent driver!
- Device tree updates for various chips
- Fixes and improvements and cleanups all over the place
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Merge tag 'timers-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"The truly boring timer and clocksource updates for 5.8:
- Not a single new clocksource or clockevent driver!
- Device tree updates for various chips
- Fixes and improvements and cleanups all over the place"
* tag 'timers-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
dt-bindings: timer: Add renesas,em-sti bindings
clocksource/drivers/timer-versatile: Clear OF_POPULATED flag
clocksource: mips-gic-timer: Mark GIC timer as unstable if ref clock changes
clocksource: mips-gic-timer: Register as sched_clock
clocksource: dw_apb_timer_of: Fix missing clockevent timers
clocksource: dw_apb_timer: Affiliate of-based timer with any CPU
clocksource: dw_apb_timer: Make CPU-affiliation being optional
dt-bindings: timer: Move snps,dw-apb-timer DT schema from rtc
dt-bindings: rtc: Convert snps,dw-apb-timer to DT schema
clocksource/drivers/timer-ti-dm: Do one override clock parent in prepare()
clocksource/drivers/timer-ti-dm: Fix spelling mistake "detectt" -> "detect"
clocksource/drivers/timer-ti-dm: Fix warning for set but not used
clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support
clocksource/drivers/timer-ti-32k: Add support for initializing directly
drivers/clocksource/arm_arch_timer: Remove duplicate error message
clocksource/drivers/arc_timer: Remove duplicate error message
clocksource/drivers/rda: drop redundant Kconfig dependency
clocksource/drivers/timer-ti-dm: Fix warning for set but not used
clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support
clocksource/drivers/timer-ti-32k: Add support for initializing directly
...
- Cleanup of the irq_domain API
- Overhaul of the interrupt chip simulator
- The usual pile of new interrupt chip drivers
- Cleanups, improvements and fixes all over the place
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Merge tag 'irq-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The generic interrupt departement provides:
- Cleanup of the irq_domain API
- Overhaul of the interrupt chip simulator
- The usual pile of new interrupt chip drivers
- Cleanups, improvements and fixes all over the place"
* tag 'irq-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
irqchip: Fix "Loongson HyperTransport Vector support" driver build on all non-MIPS platforms
dt-bindings: interrupt-controller: Add Loongson PCH MSI
irqchip: Add Loongson PCH MSI controller
dt-bindings: interrupt-controller: Add Loongson PCH PIC
irqchip: Add Loongson PCH PIC controller
dt-bindings: interrupt-controller: Add Loongson HTVEC
irqchip: Add Loongson HyperTransport Vector support
genirq: Check irq_data_get_irq_chip() return value before use
irqchip/sifive-plic: Improve boot prints for multiple PLIC instances
irqchip/sifive-plic: Setup cpuhp once after boot CPU handler is present
irqchip/sifive-plic: Set default irq affinity in plic_irqdomain_map()
irqchip/gic-v2, v3: Drop extra IRQ_NOAUTOEN setting for (E)PPIs
irqdomain: Allow software nodes for IRQ domain creation
irqdomain: Get rid of special treatment for ACPI in __irq_domain_add()
irqdomain: Make __irq_domain_add() less OF-dependent
iio: dummy_evgen: Fix use after free on error in iio_dummy_evgen_create()
irqchip/gic-v3-its: Balance initial LPI affinity across CPUs
irqchip/gic-v3-its: Track LPI distribution on a per CPU basis
genirq/irq_sim: Simplify the API
irqdomain: Make irq_domain_reset_irq_data() available to non-hierarchical users
...
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Merge tag 'for-5.8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Highlights:
- speedup dead root detection during orphan cleanup, eg. when there
are many deleted subvolumes waiting to be cleaned, the trees are
now looked up in radix tree instead of a O(N^2) search
- snapshot creation with inherited qgroup will mark the qgroup
inconsistent, requires a rescan
- send will emit file capabilities after chown, this produces a
stream that does not need postprocessing to set the capabilities
again
- direct io ported to iomap infrastructure, cleaned up and simplified
code, notably removing last use of struct buffer_head in btrfs code
Core changes:
- factor out backreference iteration, to be used by ordinary
backreferences and relocation code
- improved global block reserve utilization
* better logic to serialize requests
* increased maximum available for unlink
* improved handling on large pages (64K)
- direct io cleanups and fixes
* simplify layering, where cloned bios were unnecessarily created
for some cases
* error handling fixes (submit, endio)
* remove repair worker thread, used to avoid deadlocks during
repair
- refactored block group reading code, preparatory work for new type
of block group storage that should improve mount time on large
filesystems
Cleanups:
- cleaned up (and slightly sped up) set/get helpers for metadata data
structure members
- root bit REF_COWS got renamed to SHAREABLE to reflect the that the
blocks of the tree get shared either among subvolumes or with the
relocation trees
Fixes:
- when subvolume deletion fails due to ENOSPC, the filesystem is not
turned read-only
- device scan deals with devices from other filesystems that changed
ownership due to overwrite (mkfs)
- fix a race between scrub and block group removal/allocation
- fix long standing bug of a runaway balance operation, printing the
same line to the syslog, caused by a stale status bit on a reloc
tree that prevented progress
- fix corrupt log due to concurrent fsync of inodes with shared
extents
- fix space underflow for NODATACOW and buffered writes when it for
some reason needs to fallback to COW mode"
* tag 'for-5.8-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (133 commits)
btrfs: fix space_info bytes_may_use underflow during space cache writeout
btrfs: fix space_info bytes_may_use underflow after nocow buffered write
btrfs: fix wrong file range cleanup after an error filling dealloc range
btrfs: remove redundant local variable in read_block_for_search
btrfs: open code key_search
btrfs: split btrfs_direct_IO to read and write part
btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK
fs: remove dio_end_io()
btrfs: switch to iomap_dio_rw() for dio
iomap: remove lockdep_assert_held()
iomap: add a filesystem hook for direct I/O bio submission
fs: export generic_file_buffered_read()
btrfs: turn space cache writeout failure messages into debug messages
btrfs: include error on messages about failure to write space/inode caches
btrfs: remove useless 'fail_unlock' label from btrfs_csum_file_blocks()
btrfs: do not ignore error from btrfs_next_leaf() when inserting checksums
btrfs: make checksum item extension more efficient
btrfs: fix corrupt log due to concurrent fsync of inodes with shared extents
btrfs: unexport btrfs_compress_set_level()
btrfs: simplify iget helpers
...
- Clean up io_is_direct.
- Add a new statx flag to indicate when file data access is being done
via DAX (as opposed to the page cache).
- Update the documentation for how system administrators and application
programmers can take advantage of the (still experimental DAX) feature.
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Merge tag 'vfs-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull DAX updates part one from Darrick Wong:
"After many years of LKML-wrangling about how to enable programs to
query and influence the file data access mode (DAX) when a filesystem
resides on storage devices such as persistent memory, Ira Weiny has
emerged with a proposed set of standard behaviors that has not been
shot down by anyone! We're more or less standardizing on the current
XFS behavior and adapting ext4 to do the same.
This is the first of a handful pull requests that will make ext4 and
XFS present a consistent interface for user programs that care about
DAX. We add a statx attribute that programs can check to see if DAX is
enabled on a particular file. Then, we update the DAX documentation to
spell out the user-visible behaviors that filesystems will guarantee
(until the next storage industry shakeup). The on-disk inode flag has
been in XFS for a few years now.
Summary:
- Clean up io_is_direct.
- Add a new statx flag to indicate when file data access is being
done via DAX (as opposed to the page cache).
- Update the documentation for how system administrators and
application programmers can take advantage of the (still
experimental DAX) feature"
Link: https://lore.kernel.org/lkml/20200505002016.1085071-1-ira.weiny@intel.com/
* tag 'vfs-5.8-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
Documentation/dax: Update Usage section
fs/stat: Define DAX statx attribute
fs: Remove unneeded IS_DAX() check in io_is_direct()
- Various cleanups to remove dead code, unnecessary conditionals,
asserts, etc.
- Fix a linker warning caused by xfs stuffing '-g' into CFLAGS
redundantly.
- Tighten up our dmesg logging to ensure that everything is prefixed
with 'XFS' for easier grepping.
- Kill a bunch of typedefs.
- Refactor the deferred ops code to reduce indirect function calls.
- Increase type-safety with the deferred ops code.
- Make the DAX mount options a tri-state.
- Fix some error handling problems in the inode flush code and clean up
other inode flush warts.
- Refactor log recovery so that each log item recovery functions now live
with the other log item processing code.
- Fix some SPDX forms.
- Fix quota counter corruption if the fs crashes after running
quotacheck but before any dquots get logged.
- Don't fail metadata verification on zero-entry attr leaf blocks, since
they're just part of the disk format now due to a historic lack of log
atomicity.
- Don't allow SWAPEXT between files with different [ugp]id when quotas
are enabled.
- Refactor inode fork reading and verification to run directly from the
inode-from-disk function. This means that we now actually guarantee
that _iget'ted inodes are totally verified and ready to go.
- Move the incore inode fork format and extent counts to the ifork
structure.
- Scalability improvements by reducing cacheline pingponging in
struct xfs_mount.
- More scalability improvements by removing m_active_trans from the
hot path.
- Fix inode counter update sanity checking to run /only/ on debug
kernels.
- Fix longstanding inconsistency in what error code we return when a
program hits project quota limits (ENOSPC).
- Fix group quota returning the wrong error code when a program hits
group quota limits.
- Fix per-type quota limits and grace periods for group and project
quotas so that they actually work.
- Allow extension of individual grace periods.
- Refactor the non-reclaim inode radix tree walking code to remove a
bunch of stupid little functions and straighten out the
inconsistent naming schemes.
- Fix a bug in speculative preallocation where we measured a new
allocation based on the last extent mapping in the file instead of
looking farther for the last contiguous space allocation.
- Force delalloc writes to unwritten extents. This closes a
stale disk contents exposure vector if the system goes down before
the write completes.
- More lockdep whackamole.
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Merge tag 'xfs-5.8-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"Most of the changes this cycle are refactoring of existing code in
preparation for things landing in the future.
We also fixed various problems and deficiencies in the quota
implementation, and (I hope) the last of the stale read vectors by
forcing write allocations to go through the unwritten state until the
write completes.
Summary:
- Various cleanups to remove dead code, unnecessary conditionals,
asserts, etc.
- Fix a linker warning caused by xfs stuffing '-g' into CFLAGS
redundantly.
- Tighten up our dmesg logging to ensure that everything is prefixed
with 'XFS' for easier grepping.
- Kill a bunch of typedefs.
- Refactor the deferred ops code to reduce indirect function calls.
- Increase type-safety with the deferred ops code.
- Make the DAX mount options a tri-state.
- Fix some error handling problems in the inode flush code and clean
up other inode flush warts.
- Refactor log recovery so that each log item recovery functions now
live with the other log item processing code.
- Fix some SPDX forms.
- Fix quota counter corruption if the fs crashes after running
quotacheck but before any dquots get logged.
- Don't fail metadata verification on zero-entry attr leaf blocks,
since they're just part of the disk format now due to a historic
lack of log atomicity.
- Don't allow SWAPEXT between files with different [ugp]id when
quotas are enabled.
- Refactor inode fork reading and verification to run directly from
the inode-from-disk function. This means that we now actually
guarantee that _iget'ted inodes are totally verified and ready to
go.
- Move the incore inode fork format and extent counts to the ifork
structure.
- Scalability improvements by reducing cacheline pingponging in
struct xfs_mount.
- More scalability improvements by removing m_active_trans from the
hot path.
- Fix inode counter update sanity checking to run /only/ on debug
kernels.
- Fix longstanding inconsistency in what error code we return when a
program hits project quota limits (ENOSPC).
- Fix group quota returning the wrong error code when a program hits
group quota limits.
- Fix per-type quota limits and grace periods for group and project
quotas so that they actually work.
- Allow extension of individual grace periods.
- Refactor the non-reclaim inode radix tree walking code to remove a
bunch of stupid little functions and straighten out the
inconsistent naming schemes.
- Fix a bug in speculative preallocation where we measured a new
allocation based on the last extent mapping in the file instead of
looking farther for the last contiguous space allocation.
- Force delalloc writes to unwritten extents. This closes a stale
disk contents exposure vector if the system goes down before the
write completes.
- More lockdep whackamole"
* tag 'xfs-5.8-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (129 commits)
xfs: more lockdep whackamole with kmem_alloc*
xfs: force writes to delalloc regions to unwritten
xfs: refactor xfs_iomap_prealloc_size
xfs: measure all contiguous previous extents for prealloc size
xfs: don't fail unwritten extent conversion on writeback due to edquot
xfs: rearrange xfs_inode_walk_ag parameters
xfs: straighten out all the naming around incore inode tree walks
xfs: move xfs_inode_ag_iterator to be closer to the perag walking code
xfs: use bool for done in xfs_inode_ag_walk
xfs: fix inode ag walk predicate function return values
xfs: refactor eofb matching into a single helper
xfs: remove __xfs_icache_free_eofblocks
xfs: remove flags argument from xfs_inode_ag_walk
xfs: remove xfs_inode_ag_iterator_flags
xfs: remove unused xfs_inode_ag_iterator function
xfs: replace open-coded XFS_ICI_NO_TAG
xfs: move eofblocks conversion function to xfs_ioctl.c
xfs: allow individual quota grace period extension
xfs: per-type quota timers and warn limits
xfs: switch xfs_get_defquota to take explicit type
...
This ancient and unsafe method for memory registration is no longer used
by any RDMA based ULP. Remove the FMR pool API from the core driver.
Link: https://lore.kernel.org/r/4-v3-f58e6669d5d3+2cf-fmr_removal_jgg@mellanox.com
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Merge tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Core block changes that have been queued up for this release:
- Remove dead blk-throttle and blk-wbt code (Guoqing)
- Include pid in blktrace note traces (Jan)
- Don't spew I/O errors on wouldblock termination (me)
- Zone append addition (Johannes, Keith, Damien)
- IO accounting improvements (Konstantin, Christoph)
- blk-mq hardware map update improvements (Ming)
- Scheduler dispatch improvement (Salman)
- Inline block encryption support (Satya)
- Request map fixes and improvements (Weiping)
- blk-iocost tweaks (Tejun)
- Fix for timeout failing with error injection (Keith)
- Queue re-run fixes (Douglas)
- CPU hotplug improvements (Christoph)
- Queue entry/exit improvements (Christoph)
- Move DMA drain handling to the few drivers that use it (Christoph)
- Partition handling cleanups (Christoph)"
* tag 'for-5.8/block-2020-06-01' of git://git.kernel.dk/linux-block: (127 commits)
block: mark bio_wouldblock_error() bio with BIO_QUIET
blk-wbt: rename __wbt_update_limits to wbt_update_limits
blk-wbt: remove wbt_update_limits
blk-throttle: remove tg_drain_bios
blk-throttle: remove blk_throtl_drain
null_blk: force complete for timeout request
blk-mq: drain I/O when all CPUs in a hctx are offline
blk-mq: add blk_mq_all_tag_iter
blk-mq: open code __blk_mq_alloc_request in blk_mq_alloc_request_hctx
blk-mq: use BLK_MQ_NO_TAG in more places
blk-mq: rename BLK_MQ_TAG_FAIL to BLK_MQ_NO_TAG
blk-mq: move more request initialization to blk_mq_rq_ctx_init
blk-mq: simplify the blk_mq_get_request calling convention
blk-mq: remove the bio argument to ->prepare_request
nvme: force complete cancelled requests
blk-mq: blk-mq: provide forced completion method
block: fix a warning when blkdev.h is included for !CONFIG_BLOCK builds
block: blk-crypto-fallback: remove redundant initialization of variable err
block: reduce part_stat_lock() scope
block: use __this_cpu_add() instead of access by smp_processor_id()
...
This series adds a selftest for hmm_range_fault() and several of the
DEVICE_PRIVATE migration related actions, and another simplification for
hmm_range_fault()'s API.
- Simplify hmm_range_fault() with a simpler return code, no
HMM_PFN_SPECIAL, and no customizable output PFN format
- Add a selftest for hmm_range_fault() and DEVICE_PRIVATE related
functionality
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Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull hmm updates from Jason Gunthorpe:
"This series adds a selftest for hmm_range_fault() and several of the
DEVICE_PRIVATE migration related actions, and another simplification
for hmm_range_fault()'s API.
- Simplify hmm_range_fault() with a simpler return code, no
HMM_PFN_SPECIAL, and no customizable output PFN format
- Add a selftest for hmm_range_fault() and DEVICE_PRIVATE related
functionality"
* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
MAINTAINERS: add HMM selftests
mm/hmm/test: add selftests for HMM
mm/hmm/test: add selftest driver for HMM
mm/hmm: remove the customizable pfn format from hmm_range_fault
mm/hmm: remove HMM_PFN_SPECIAL
drm/amdgpu: remove dead code after hmm_range_fault()
mm/hmm: make hmm_range_fault return 0 or -1
- Update the ACPICA code in the kernel to upstream revision
20200430:
* Move acpi_gbl_next_cmd_num definition (Erik Kaneda).
* Ignore AE_ALREADY_EXISTS status in the disassembler when parsing
create operators (Erik Kaneda).
* Add status checks to the dispatcher (Erik Kaneda).
* Fix required parameters for _NIG and _NIH (Erik Kaneda).
* Make acpi_protocol_lengths static (Yue Haibing).
- Fix ACPI table reference counting errors in several places, mostly
in error code paths (Hanjun Guo).
- Extend the Generic Event Device (GED) driver to support _Exx and
_Lxx handler methods (Ard Biesheuvel).
- Add new acpi_evaluate_reg() helper and modify the ACPI PCI hotplug
code to use it (Hans de Goede).
- Add new DPTF battery participant driver and make the DPFT power
participant driver create more sysfs device attributes (Srinivas
Pandruvada).
- Improve the handling of memory failures in APEI (James Morse).
- Add new blacklist entry for Acer TravelMate 5735Z to the backlight
driver (Paul Menzel).
- Add i2c address for thermal control to the PMIC driver (Mauro
Carvalho Chehab).
- Allow the ACPI processor idle driver to work on platforms with
only one ACPI C-state present (Zhang Rui).
- Fix kobject reference count leaks in error code paths in two
places (Qiushi Wu).
- Delete unused proc filename macros and make some symbols static
(Pascal Terjan, Zheng Zengkai, Zou Wei).
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Merge tag 'acpi-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20200430, fix several reference counting errors related to ACPI
tables, add _Exx / _Lxx support to the GED driver, add a new
acpi_evaluate_reg() helper, add new DPTF battery participant driver
and extend the DPFT power participant driver, improve the handling of
memory failures in the APEI code, add a blacklist entry to the
backlight driver, update the PMIC driver and the processor idle
driver, fix two kobject reference count leaks, and make a few janitory
changes.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20200430:
- Move acpi_gbl_next_cmd_num definition (Erik Kaneda).
- Ignore AE_ALREADY_EXISTS status in the disassembler when parsing
create operators (Erik Kaneda).
- Add status checks to the dispatcher (Erik Kaneda).
- Fix required parameters for _NIG and _NIH (Erik Kaneda).
- Make acpi_protocol_lengths static (Yue Haibing).
- Fix ACPI table reference counting errors in several places, mostly
in error code paths (Hanjun Guo).
- Extend the Generic Event Device (GED) driver to support _Exx and
_Lxx handler methods (Ard Biesheuvel).
- Add new acpi_evaluate_reg() helper and modify the ACPI PCI hotplug
code to use it (Hans de Goede).
- Add new DPTF battery participant driver and make the DPFT power
participant driver create more sysfs device attributes (Srinivas
Pandruvada).
- Improve the handling of memory failures in APEI (James Morse).
- Add new blacklist entry for Acer TravelMate 5735Z to the backlight
driver (Paul Menzel).
- Add i2c address for thermal control to the PMIC driver (Mauro
Carvalho Chehab).
- Allow the ACPI processor idle driver to work on platforms with only
one ACPI C-state present (Zhang Rui).
- Fix kobject reference count leaks in error code paths in two places
(Qiushi Wu).
- Delete unused proc filename macros and make some symbols static
(Pascal Terjan, Zheng Zengkai, Zou Wei)"
* tag 'acpi-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe()
ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile()
ACPI: GED: use correct trigger type field in _Exx / _Lxx handling
ACPI: DPTF: Add battery participant driver
ACPI: DPTF: Additional sysfs attributes for power participant driver
ACPI: video: Use native backlight on Acer TravelMate 5735Z
arm64: acpi: Make apei_claim_sea() synchronise with APEI's irq work
ACPI: APEI: Kick the memory_failure() queue for synchronous errors
mm/memory-failure: Add memory_failure_queue_kick()
ACPI / PMIC: Add i2c address for thermal control
ACPI: GED: add support for _Exx / _Lxx handler methods
ACPI: Delete unused proc filename macros
ACPI: hotplug: PCI: Use the new acpi_evaluate_reg() helper
ACPI: utils: Add acpi_evaluate_reg() helper
ACPI: debug: Make two functions static
ACPI: sleep: Put the FACS table after using it
ACPI: scan: Put SPCR and STAO table after using it
ACPI: EC: Put the ACPI table after using it
ACPI: APEI: Put the HEST table for error path
ACPI: APEI: Put the error record serialization table for error path
...
Linus Torvalds