early_param() handlers should return 0 on success.
__setup() handlers should return 1 on success, i.e., the parameter
has been handled. A return of 0 would cause the "option=value" string
to be added to init's environment strings, polluting it.
../arch/arm/mm/mmu.c: In function 'test_early_cachepolicy':
../arch/arm/mm/mmu.c:215:1: error: no return statement in function returning non-void [-Werror=return-type]
../arch/arm/mm/mmu.c: In function 'test_noalign_setup':
../arch/arm/mm/mmu.c:221:1: error: no return statement in function returning non-void [-Werror=return-type]
Fixes: b849a60e09 ("ARM: make cr_alignment read-only #ifndef CONFIG_CPU_CP15")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Fixes for devkit8000 timer regression. Similar to the earlier beagleboard
fixes, we must not configure the clocksource drivers to use an alternative
timer configuration. It causes unnecessary issues with power management.
Only some old designs based on early beagleboard revisions with a miswired
timer need to use the alternative timer.
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Merge tag 'omap-for-v5.17/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps
Fixes for devkit8000 timer regression. Similar to the earlier beagleboard
fixes, we must not configure the clocksource drivers to use an alternative
timer configuration. It causes unnecessary issues with power management.
Only some old designs based on early beagleboard revisions with a miswired
timer need to use the alternative timer.
* tag 'omap-for-v5.17/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Use 32KiHz oscillator on devkit8000
ARM: dts: switch timer config to common devkit8000 devicetree
Link: https://lore.kernel.org/r/pull-1645606483-876944@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This contains fixes for the eDP panel found on the Venice 2 and Nyan
boards.
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Merge tag 'tegra-for-5.17-arm-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
ARM: tegra: Device tree fixes for v5.17-rc6
This contains fixes for the eDP panel found on the Venice 2 and Nyan
boards.
* tag 'tegra-for-5.17-arm-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: Move panels to AUX bus
Link: https://lore.kernel.org/r/20220223162209.293722-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
board, fix emmc signal-integrity and usb OTG mode on rk3399-puma as well
as a number of dtschema fixes to make the reduce the number of errors.
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Merge tag 'v5.17-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Fix the display-port-sound on Gru devices, DDR voltage on the Quartz-A
board, fix emmc signal-integrity and usb OTG mode on rk3399-puma as well
as a number of dtschema fixes to make the reduce the number of errors.
* tag 'v5.17-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: fix a typo on rk3288 crypto-controller
ARM: dts: rockchip: reorder rk322x hmdi clocks
arm64: dts: rockchip: reorder rk3399 hdmi clocks
arm64: dts: rockchip: align pl330 node name with dtschema
arm64: dts: rockchip: fix rk3399-puma eMMC HS400 signal integrity
arm64: dts: rockchip: fix Quartz64-A ddr regulator voltage
arm64: dts: rockchip: Switch RK3399-Gru DP to SPDIF output
arm64: dts: rockchip: fix rk3399-puma-haikou USB OTG mode
arm64: dts: rockchip: drop pclk_xpcs from gmac0 on rk3568
arm64: dts: rockchip: fix dma-controller node names on rk356x
Link: https://lore.kernel.org/r/1973741.CViHJPHrxy@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Move the eDP panel on Venice 2 and Nyan boards into the corresponding
AUX bus device tree node. This allows us to avoid a nasty circular
dependency that would otherwise be created between the DPAUX and panel
nodes via the DDC/I2C phandle.
Fixes: eb481f9ac9 ("ARM: tegra: add Acer Chromebook 13 device tree")
Fixes: 59fe02cb07 ("ARM: tegra: Add DTS for the nyan-blaze board")
Fixes: 40e231c770 ("ARM: tegra: Enable eDP for Venice2")
Signed-off-by: Thierry Reding <treding@nvidia.com>
The kgdb code needs to register an undef hook for the Thumb UDF
instruction that will fault in order to be functional on Thumb2
platforms.
Reported-by: Johannes Stezenbach <js@sig21.net>
Tested-by: Johannes Stezenbach <js@sig21.net>
Fixes: 5cbad0ebf4 ("kgdb: support for ARCH=arm")
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Devkit8000 board seems to always used 32k_counter as clocksource.
Restore this behavior.
If clocksource is back to 32k_counter, timer12 is now the clockevent
source (as before) and timer2 is not longer needed here.
This commit fixes the same issue observed with commit 23885389db
("ARM: dts: Fix timer regression for beagleboard revision c") when sleep
is blocked until hitting keys over serial console.
Fixes: aba1ad05da ("clocksource/drivers/timer-ti-dm: Add clockevent and clocksource support")
Fixes: e428e250fd ("ARM: dts: Configure system timers for omap3")
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This patch allow lcd43 and lcd70 flavors to benefit from timer
evolution.
Fixes: e428e250fd ("ARM: dts: Configure system timers for omap3")
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
crypto-controller had a typo, fix it.
In the same time, rename it to just crypto
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220209120355.1985707-1-clabbe@baylibre.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The property 'irq-over-gpio' is both unused and undocumented. It also
happens to collide with standard *-gpio properties. As it is not needed,
drop it.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220204004117.1232902-1-robh@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix sound card model for MBa8Mx board.
- Drop i.MX8MQ LCDIF port node unit-address to fix DTC warning.
- Add missing SD card detect line for imx6qdl-udoo board.
- Remove MX23_PAD_SSP1_DETECT from imx23-evk hog group. It fixes the
broken SD ard support on the board.
- A couple of fixes from Martin Kepplinger to fix the MIPI_CSI port
number on i.MX8MQ.
- Re-enable ftm_alarm0 device on ls1028a-kontron-sl28 board which was
disabled accidentally.
- Fix 'assigned-clocks-parents' typo in i.MX7ULP watchdog device node.
- Disable GPU device on imx8mn-venice-gw7902 board, as it uses
MIMX8MN5CVTI SoC which does not integrate a GPU.
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Merge tag 'imx-fixes-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.17:
- Fix sound card model for MBa8Mx board.
- Drop i.MX8MQ LCDIF port node unit-address to fix DTC warning.
- Add missing SD card detect line for imx6qdl-udoo board.
- Remove MX23_PAD_SSP1_DETECT from imx23-evk hog group. It fixes the
broken SD ard support on the board.
- A couple of fixes from Martin Kepplinger to fix the MIPI_CSI port
number on i.MX8MQ.
- Re-enable ftm_alarm0 device on ls1028a-kontron-sl28 board which was
disabled accidentally.
- Fix 'assigned-clocks-parents' typo in i.MX7ULP watchdog device node.
- Disable GPU device on imx8mn-venice-gw7902 board, as it uses
MIMX8MN5CVTI SoC which does not integrate a GPU.
* tag 'imx-fixes-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: imx8mq: fix lcdif port node
arm64: dts: imx8mq-librem5: fix mipi_csi1 port number to sensor
arm64: dts: imx8mq: fix mipi_csi bidirectional port numbers
ARM: dts: imx7ulp: Fix 'assigned-clocks-parents' typo
arm64: dts: ls1028a: sl28: re-enable ftm_alarm0
arm64: dts: freescale: Fix sound card model for MBa8Mx
ARM: dts: imx23-evk: Remove MX23_PAD_SSP1_DETECT from hog group
ARM: dts: imx6qdl-udoo: Properly describe the SD card detect
arm64: dts: imx8mn-venice-gw7902: disable gpu
Link: https://lore.kernel.org/r/20220129073150.GZ4686@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
A series of fixes for omap variants for minor issues, and a fix for a timer
regression for some omap3 beagleboard versions.
The timer fix needs to patch both the dts and the timer code because
otherwise the timer quirk handling for old dtbs will prevent the dts fix
from working.
The other changes are for issues found by automated analysis, a macasp
typo fix, and two cosmetic fixes for clocks.
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Merge tag 'omap-for-v5.17/fixes-for-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fixes for omaps
A series of fixes for omap variants for minor issues, and a fix for a timer
regression for some omap3 beagleboard versions.
The timer fix needs to patch both the dts and the timer code because
otherwise the timer quirk handling for old dtbs will prevent the dts fix
from working.
The other changes are for issues found by automated analysis, a macasp
typo fix, and two cosmetic fixes for clocks.
* tag 'omap-for-v5.17/fixes-for-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: Don't use legacy clock defines for dra7 clkctrl
clk: ti: Move dra7 clock devices out of the legacy section
ARM: dts: Fix timer regression for beagleboard revision c
ARM: dts: am335x-wega: Fix typo in mcasp property rx-num-evt
ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of
ARM: OMAP2+: hwmod: Add of_node_put() before break
Link: https://lore.kernel.org/r/pull-1641801310-149268@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The SocFPGA machine since commit b3ca9888f3 ("reset: socfpga: add an
early reset driver for SoCFPGA") uses reset controller, so it should
select RESET_CONTROLLER explicitly. Selecting ARCH_HAS_RESET_CONTROLLER
is not enough because it affects only default choice still allowing a
non-buildable configuration:
/usr/bin/arm-linux-gnueabi-ld: arch/arm/mach-socfpga/socfpga.o: in function `socfpga_init_irq':
arch/arm/mach-socfpga/socfpga.c:56: undefined reference to `socfpga_reset_init'
Reported-by: kernel test robot <lkp@intel.com>
Cc: <stable@vger.kernel.org>
Fixes: b3ca9888f3 ("reset: socfpga: add an early reset driver for SoCFPGA")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
blake2s_compress_generic is weakly aliased by blake2s_compress. The
current harness for function selection uses a function pointer, which is
ordinarily inlined and resolved at compile time. But when Clang's CFI is
enabled, CFI still triggers when making an indirect call via a weak
symbol. This seems like a bug in Clang's CFI, as though it's bucketing
weak symbols and strong symbols differently. It also only seems to
trigger when "full LTO" mode is used, rather than "thin LTO".
[ 0.000000][ T0] Kernel panic - not syncing: CFI failure (target: blake2s_compress_generic+0x0/0x1444)
[ 0.000000][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-mainline-06981-g076c855b846e #1
[ 0.000000][ T0] Hardware name: MT6873 (DT)
[ 0.000000][ T0] Call trace:
[ 0.000000][ T0] dump_backtrace+0xfc/0x1dc
[ 0.000000][ T0] dump_stack_lvl+0xa8/0x11c
[ 0.000000][ T0] panic+0x194/0x464
[ 0.000000][ T0] __cfi_check_fail+0x54/0x58
[ 0.000000][ T0] __cfi_slowpath_diag+0x354/0x4b0
[ 0.000000][ T0] blake2s_update+0x14c/0x178
[ 0.000000][ T0] _extract_entropy+0xf4/0x29c
[ 0.000000][ T0] crng_initialize_primary+0x24/0x94
[ 0.000000][ T0] rand_initialize+0x2c/0x6c
[ 0.000000][ T0] start_kernel+0x2f8/0x65c
[ 0.000000][ T0] __primary_switched+0xc4/0x7be4
[ 0.000000][ T0] Rebooting in 5 seconds..
Nonetheless, the function pointer method isn't so terrific anyway, so
this patch replaces it with a simple boolean, which also gets inlined
away. This successfully works around the Clang bug.
In general, I'm not too keen on all of the indirection involved here; it
clearly does more harm than good. Hopefully the whole thing can get
cleaned up down the road when lib/crypto is overhauled more
comprehensively. But for now, we go with a simple bandaid.
Fixes: 6048fdcc5f ("lib/crypto: blake2s: include as built-in")
Link: https://github.com/ClangBuiltLinux/linux/issues/1567
Reported-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
The correct property name is 'assigned-clock-parents', not
'assigned-clocks-parents'. Though if the platform works with the typo, one
has to wonder if the property is even needed.
Signed-off-by: Rob Herring <robh@kernel.org>
Fixes: 8b8c7d97e2 ("ARM: dts: imx7ulp: Add wdog1 node")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Limit mcount build time sorting to only those archs that
we know it works for.
- Fix memory leak in error path of histogram setup
- Fix and clean up rel_loc array out of bounds issue
- tools/rtla documentation fixes
- Fix issues with histogram logic
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Merge tag 'trace-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pulltracing fixes from Steven Rostedt:
- Limit mcount build time sorting to only those archs that we know it
works for.
- Fix memory leak in error path of histogram setup
- Fix and clean up rel_loc array out of bounds issue
- tools/rtla documentation fixes
- Fix issues with histogram logic
* tag 'trace-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Don't inc err_log entry count if entry allocation fails
tracing: Propagate is_signed to expression
tracing: Fix smatch warning for do while check in event_hist_trigger_parse()
tracing: Fix smatch warning for null glob in event_hist_trigger_parse()
tools/tracing: Update Makefile to build rtla
rtla: Make doc build optional
tracing/perf: Avoid -Warray-bounds warning for __rel_loc macro
tracing: Avoid -Warray-bounds warning for __rel_loc macro
tracing/histogram: Fix a potential memory leak for kstrdup()
ftrace: Have architectures opt-in for mcount build time sorting
Currently, SD card fails to mount due to the following pinctrl error:
[ 11.170000] imx23-pinctrl 80018000.pinctrl: pin SSP1_DETECT already requested by 80018000.pinctrl; cannot claim for 80010000.spi
[ 11.180000] imx23-pinctrl 80018000.pinctrl: pin-65 (80010000.spi) status -22
[ 11.190000] imx23-pinctrl 80018000.pinctrl: could not request pin 65 (SSP1_DETECT) from group mmc0-pins-fixup.0 on device 80018000.pinctrl
[ 11.200000] mxs-mmc 80010000.spi: Error applying setting, reverse things back
Fix it by removing the MX23_PAD_SSP1_DETECT pin from the hog group as it
is already been used by the mmc0-pins-fixup pinctrl group.
With this change the rootfs can be mounted and the imx23-evk board can
boot successfully.
Cc: <stable@vger.kernel.org>
Fixes: bc3875f1a6 ("ARM: dts: mxs: modify mx23/mx28 dts files to use pinctrl headers")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
First S390 complained that the sorting of the mcount sections at build
time caused the kernel to crash on their architecture. Now PowerPC is
complaining about it too. And also ARM64 appears to be having issues.
It may be necessary to also update the relocation table for the values
in the mcount table. Not only do we have to sort the table, but also
update the relocations that may be applied to the items in the table.
If the system is not relocatable, then it is fine to sort, but if it is,
some architectures may have issues (although x86 does not as it shifts all
addresses the same).
Add a HAVE_BUILDTIME_MCOUNT_SORT that an architecture can set to say it is
safe to do the sorting at build time.
Also update the config to compile in build time sorting in the sorttable
code in scripts/ to depend on CONFIG_BUILDTIME_MCOUNT_SORT.
Link: https://lore.kernel.org/all/944D10DA-8200-4BA9-8D0A-3BED9AA99F82@linux.ibm.com/
Link: https://lkml.kernel.org/r/20220127153821.3bc1ac6e@gandalf.local.home
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Yinan Liu <yinan@linux.alibaba.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Reported-by: Sachin Sant <sachinp@linux.ibm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64]
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Fixes: 72b3942a17 ("scripts: ftrace - move the sort-processing in ftrace_init")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
GPIO7_IO00 is used as SD card detect.
Properly describe this in the devicetree.
Fixes: 40cdaa542c ("ARM: dts: imx6q-udoo: Add initial board support")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Fix panic whe both KASAN and KPROBEs are enabled
- Avoid alignment faults in copy_*_kernel_nofault()
- Align SMP alternatives in modules
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
- Fix panic whe both KASAN and KPROBEs are enabled
- Avoid alignment faults in copy_*_kernel_nofault()
- Align SMP alternatives in modules
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9180/1: Thumb2: align ALT_UP() sections in modules sufficiently
ARM: 9179/1: uaccess: avoid alignment faults in copy_[from|to]_kernel_nofault
ARM: 9170/1: fix panic when kasan and kprobe are enabled
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Merge tag 'bitmap-5.17-rc1' of git://github.com/norov/linux
Pull bitmap updates from Yury Norov:
- introduce for_each_set_bitrange()
- use find_first_*_bit() instead of find_next_*_bit() where possible
- unify for_each_bit() macros
* tag 'bitmap-5.17-rc1' of git://github.com/norov/linux:
vsprintf: rework bitmap_list_string
lib: bitmap: add performance test for bitmap_print_to_pagebuf
bitmap: unify find_bit operations
mm/percpu: micro-optimize pcpu_is_populated()
Replace for_each_*_bit_from() with for_each_*_bit() where appropriate
find: micro-optimize for_each_{set,clear}_bit()
include/linux: move for_each_bit() macros from bitops.h to find.h
cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
tools: sync tools/bitmap with mother linux
all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate
cpumask: use find_first_and_bit()
lib: add find_first_and_bit()
arch: remove GENERIC_FIND_FIRST_BIT entirely
include: move find.h from asm_generic to linux
bitops: move find_bit_*_le functions from le.h to find.h
bitops: protect find_first_{,zero}_bit properly
Patch series "remove Xen tmem leftovers".
Since the removal of the Xen tmem driver in 2019, the cleancache hooks
are entirely unused, as are large parts of frontswap. This series
against linux-next (with the folio changes included) removes
cleancaches, and cuts down frontswap to the bits actually used by zswap.
This patch (of 13):
The cleancache subsystem is unused since the removal of Xen tmem driver
in commit 814bbf49dc ("xen: remove tmem driver").
[akpm@linux-foundation.org: remove now-unreachable code]
Link: https://lkml.kernel.org/r/20211224062246.1258487-1-hch@lst.de
Link: https://lkml.kernel.org/r/20211224062246.1258487-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove PDE_DATA() completely and replace it with pde_data().
[akpm@linux-foundation.org: fix naming clash in drivers/nubus/proc.c]
[akpm@linux-foundation.org: now fix it properly]
Link: https://lkml.kernel.org/r/20211124081956.87711-2-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alexey Gladkov <gladkov.alexey@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rename sysctl_init() to sysctl_init_bases() so to reflect exactly what
this is doing.
Link: https://lkml.kernel.org/r/20211129211943.640266-4-mcgrof@kernel.org
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Antti Palosaari <crope@iki.fi>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Lukas Middendorf <kernel@tuxforce.de>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: Stephen Kitt <steve@sk2.org>
Cc: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When building for Thumb2, the .alt.smp.init sections that are emitted by
the ALT_UP() patching code may not be 32-bit aligned, even though the
fixup_smp_on_up() routine expects that. This results in alignment faults
at module load time, which need to be fixed up by the fault handler.
So let's align those sections explicitly, and prevent this from occurring.
Cc: <stable@vger.kernel.org>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
The helpers that are used to implement copy_from_kernel_nofault() and
copy_to_kernel_nofault() cast a void* to a pointer to a wider type,
which may result in alignment faults on ARM if the compiler decides to
use double-word or multiple-word load/store instructions.
Only configurations that define CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
are affected, given that commit 2423de2e6f ("ARM: 9115/1: mm/maccess:
fix unaligned copy_{from,to}_kernel_nofault") ensures that dst and src
are sufficiently aligned otherwise.
So use the unaligned accessors for accessing dst and src in cases where
they may be misaligned.
Cc: <stable@vger.kernel.org> # depends on 2423de2e6f
Fixes: 2df4c9a741 ("ARM: 9112/1: uaccess: add __{get,put}_kernel_nofault")
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
- Add new kconfig target 'make mod2noconfig', which will be useful to
speed up the build and test iteration.
- Raise the minimum supported version of LLVM to 11.0.0
- Refactor certs/Makefile
- Change the format of include/config/auto.conf to stop double-quoting
string type CONFIG options.
- Fix ARCH=sh builds in dash
- Separate compression macros for general purposes (cmd_bzip2 etc.) and
the ones for decompressors (cmd_bzip2_with_size etc.)
- Misc Makefile cleanups
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Merge tag 'kbuild-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Add new kconfig target 'make mod2noconfig', which will be useful to
speed up the build and test iteration.
- Raise the minimum supported version of LLVM to 11.0.0
- Refactor certs/Makefile
- Change the format of include/config/auto.conf to stop double-quoting
string type CONFIG options.
- Fix ARCH=sh builds in dash
- Separate compression macros for general purposes (cmd_bzip2 etc.) and
the ones for decompressors (cmd_bzip2_with_size etc.)
- Misc Makefile cleanups
* tag 'kbuild-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
kbuild: add cmd_file_size
arch: decompressor: remove useless vmlinux.bin.all-y
kbuild: rename cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}
kbuild: drop $(size_append) from cmd_zstd
sh: rename suffix-y to suffix_y
doc: kbuild: fix default in `imply` table
microblaze: use built-in function to get CPU_{MAJOR,MINOR,REV}
certs: move scripts/extract-cert to certs/
kbuild: do not quote string values in include/config/auto.conf
kbuild: do not include include/config/auto.conf from shell scripts
certs: simplify $(srctree)/ handling and remove config_filename macro
kbuild: stop using config_filename in scripts/Makefile.modsign
certs: remove misleading comments about GCC PR
certs: refactor file cleaning
certs: remove unneeded -I$(srctree) option for system_certificates.o
certs: unify duplicated cmd_extract_certs and improve the log
certs: use $< and $@ to simplify the key generation rule
kbuild: remove headers_check stub
kbuild: move headers_check.pl to usr/include/
certs: use if_changed to re-generate the key when the key type is changed
...
Pull signal/exit/ptrace updates from Eric Biederman:
"This set of changes deletes some dead code, makes a lot of cleanups
which hopefully make the code easier to follow, and fixes bugs found
along the way.
The end-game which I have not yet reached yet is for fatal signals
that generate coredumps to be short-circuit deliverable from
complete_signal, for force_siginfo_to_task not to require changing
userspace configured signal delivery state, and for the ptrace stops
to always happen in locations where we can guarantee on all
architectures that the all of the registers are saved and available on
the stack.
Removal of profile_task_ext, profile_munmap, and profile_handoff_task
are the big successes for dead code removal this round.
A bunch of small bug fixes are included, as most of the issues
reported were small enough that they would not affect bisection so I
simply added the fixes and did not fold the fixes into the changes
they were fixing.
There was a bug that broke coredumps piped to systemd-coredump. I
dropped the change that caused that bug and replaced it entirely with
something much more restrained. Unfortunately that required some
rebasing.
Some successes after this set of changes: There are few enough calls
to do_exit to audit in a reasonable amount of time. The lifetime of
struct kthread now matches the lifetime of struct task, and the
pointer to struct kthread is no longer stored in set_child_tid. The
flag SIGNAL_GROUP_COREDUMP is removed. The field group_exit_task is
removed. Issues where task->exit_code was examined with
signal->group_exit_code should been examined were fixed.
There are several loosely related changes included because I am
cleaning up and if I don't include them they will probably get lost.
The original postings of these changes can be found at:
https://lkml.kernel.org/r/87a6ha4zsd.fsf@email.froward.int.ebiederm.orghttps://lkml.kernel.org/r/87bl1kunjj.fsf@email.froward.int.ebiederm.orghttps://lkml.kernel.org/r/87r19opkx1.fsf_-_@email.froward.int.ebiederm.org
I trimmed back the last set of changes to only the obviously correct
once. Simply because there was less time for review than I had hoped"
* 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (44 commits)
ptrace/m68k: Stop open coding ptrace_report_syscall
ptrace: Remove unused regs argument from ptrace_report_syscall
ptrace: Remove second setting of PT_SEIZED in ptrace_attach
taskstats: Cleanup the use of task->exit_code
exit: Use the correct exit_code in /proc/<pid>/stat
exit: Fix the exit_code for wait_task_zombie
exit: Coredumps reach do_group_exit
exit: Remove profile_handoff_task
exit: Remove profile_task_exit & profile_munmap
signal: clean up kernel-doc comments
signal: Remove the helper signal_group_exit
signal: Rename group_exit_task group_exec_task
coredump: Stop setting signal->group_exit_task
signal: Remove SIGNAL_GROUP_COREDUMP
signal: During coredumps set SIGNAL_GROUP_EXIT in zap_process
signal: Make coredump handling explicit in complete_signal
signal: Have prepare_signal detect coredumps using signal->core_state
signal: Have the oom killer detect coredumps using signal->core_state
exit: Move force_uaccess back into do_exit
exit: Guarantee make_task_dead leaks the tsk when calling do_task_exit
...
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Merge tag 'pci-v5.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Use pci_find_vsec_capability() instead of open-coding it (Andy
Shevchenko)
- Convert pci_dev_present() stub from macro to static inline to avoid
'unused variable' errors (Hans de Goede)
- Convert sysfs slot attributes from default_attrs to default_groups
(Greg Kroah-Hartman)
- Use DWORD accesses for LTR, L1 SS to avoid BayHub OZ711LV2 erratum
(Rajat Jain)
- Remove unnecessary initialization of static variables (Longji Guo)
Resource management:
- Always write Intel I210 ROM BAR on update to work around device
defect (Bjorn Helgaas)
PCIe native device hotplug:
- Fix pciehp lockdep errors on Thunderbolt undock (Hans de Goede)
- Fix infinite loop in pciehp IRQ handler on power fault (Lukas
Wunner)
Power management:
- Convert amd64-agp, sis-agp, via-agp from legacy PCI power
management to generic power management (Vaibhav Gupta)
IOMMU:
- Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller
so it can work with an IOMMU (Yifeng Li)
Error handling:
- Add PCI_ERROR_RESPONSE and related definitions for signaling and
checking for transaction errors on PCI (Naveen Naidu)
- Fabricate PCI_ERROR_RESPONSE data (~0) in config read wrappers,
instead of in host controller drivers, when transactions fail on
PCI (Naveen Naidu)
- Use PCI_POSSIBLE_ERROR() to check for possible failure of config
reads (Naveen Naidu)
Peer-to-peer DMA:
- Add Logan Gunthorpe as P2PDMA maintainer (Bjorn Helgaas)
ASPM:
- Calculate link L0s and L1 exit latencies when needed instead of
caching them (Saheed O. Bolarinwa)
- Calculate device L0s and L1 acceptable exit latencies when needed
instead of caching them (Saheed O. Bolarinwa)
- Remove struct aspm_latency since it's no longer needed (Saheed O.
Bolarinwa)
APM X-Gene PCIe controller driver:
- Fix IB window setup, which was broken by the fact that IB resources
are now sorted in address order instead of DT dma-ranges order (Rob
Herring)
Apple PCIe controller driver:
- Enable clock gating to save power (Hector Martin)
- Fix REFCLK1 enable/poll logic (Hector Martin)
Broadcom STB PCIe controller driver:
- Declare bitmap correctly for use by bitmap interfaces (Christophe
JAILLET)
- Clean up computation of legacy and non-legacy MSI bitmasks (Florian
Fainelli)
- Update suspend/resume/remove error handling to warn about errors
and not fail the operation (Jim Quinlan)
- Correct the "pcie" and "msi" interrupt descriptions in DT binding
(Jim Quinlan)
- Add DT bindings for endpoint voltage regulators (Jim Quinlan)
- Split brcm_pcie_setup() into two functions (Jim Quinlan)
- Add mechanism for turning on voltage regulators for connected
devices (Jim Quinlan)
- Turn voltage regulators for connected devices on/off when bus is
added or removed (Jim Quinlan)
- When suspending, don't turn off voltage regulators for wakeup
devices (Jim Quinlan)
Freescale i.MX6 PCIe controller driver:
- Add i.MX8MM support (Richard Zhu)
Freescale Layerscape PCIe controller driver:
- Use DWC common ops instead of layerscape-specific link-up functions
(Hou Zhiqiang)
Intel VMD host bridge driver:
- Honor platform ACPI _OSC feature negotiation for Root Ports below
VMD (Kai-Heng Feng)
- Add support for Raptor Lake SKUs (Karthik L Gopalakrishnan)
- Reset everything below VMD before enumerating to work around
failure to enumerate NVMe devices when guest OS reboots (Nirmal
Patel)
Bridge emulation (used by Marvell Aardvark and MVEBU):
- Make emulated ROM BAR read-only by default (Pali Rohár)
- Make some emulated legacy PCI bits read-only for PCIe devices (Pali
Rohár)
- Update reserved bits in emulated PCIe Capability (Pali Rohár)
- Allow drivers to emulate different PCIe Capability versions (Pali
Rohár)
- Set emulated Capabilities List bit for all PCIe devices, since they
must have at least a PCIe Capability (Pali Rohár)
Marvell Aardvark PCIe controller driver:
- Add bridge emulation definitions for PCIe DEVCAP2, DEVCTL2,
DEVSTA2, LNKCAP2, LNKCTL2, LNKSTA2, SLTCAP2, SLTCTL2, SLTSTA2 (Pali
Rohár)
- Add aardvark support for DEVCAP2, DEVCTL2, LNKCAP2 and LNKCTL2
registers (Pali Rohár)
- Clear all MSIs at setup to avoid spurious interrupts (Pali Rohár)
- Disable bus mastering when unbinding host controller driver (Pali
Rohár)
- Mask all interrupts when unbinding host controller driver (Pali
Rohár)
- Fix memory leak in host controller unbind (Pali Rohár)
- Assert PERST# when unbinding host controller driver (Pali Rohár)
- Disable link training when unbinding host controller driver (Pali
Rohár)
- Disable common PHY when unbinding host controller driver (Pali
Rohár)
- Fix resource type checking to check only IORESOURCE_MEM, not
IORESOURCE_MEM_64, which is a flavor of IORESOURCE_MEM (Pali Rohár)
Marvell MVEBU PCIe controller driver:
- Implement pci_remap_iospace() for ARM so mvebu can use
devm_pci_remap_iospace() instead of the previous ARM-specific
pci_ioremap_io() interface (Pali Rohár)
- Use the standard pci_host_probe() instead of the device-specific
mvebu_pci_host_probe() (Pali Rohár)
- Replace all uses of ARM-specific pci_ioremap_io() with the ARM
implementation of the standard pci_remap_iospace() interface and
remove pci_ioremap_io() (Pali Rohár)
- Skip initializing invalid Root Ports (Pali Rohár)
- Check for errors from pci_bridge_emul_init() (Pali Rohár)
- Ignore any bridges at non-zero function numbers (Pali Rohár)
- Return ~0 data for invalid config read size (Pali Rohár)
- Disallow mapping interrupts on emulated bridges (Pali Rohár)
- Clear Root Port Memory & I/O Space Enable and Bus Master Enable at
initialization (Pali Rohár)
- Make type bits in Root Port I/O Base register read-only (Pali
Rohár)
- Disable Root Port windows when base/limit set to invalid values
(Pali Rohár)
- Set controller to Root Complex mode (Pali Rohár)
- Set Root Port Class Code to PCI Bridge (Pali Rohár)
- Update emulated Root Port secondary bus numbers to better reflect
the actual topology (Pali Rohár)
- Add PCI_BRIDGE_CTL_BUS_RESET support to emulated Root Ports so
pci_reset_secondary_bus() can reset connected devices (Pali Rohár)
- Add PCI_EXP_DEVCTL Error Reporting Enable support to emulated Root
Ports (Pali Rohár)
- Add PCI_EXP_RTSTA PME Status bit support to emulated Root Ports
(Pali Rohár)
- Add DEVCAP2, DEVCTL2 and LNKCTL2 support to emulated Root Ports on
Armada XP and newer devices (Pali Rohár)
- Export mvebu-mbus.c symbols to allow pci-mvebu.c to be a module
(Pali Rohár)
- Add support for compiling as a module (Pali Rohár)
MediaTek PCIe controller driver:
- Assert PERST# for 100ms to allow power and clock to stabilize
(qizhong cheng)
MediaTek PCIe Gen3 controller driver:
- Disable Mediatek DVFSRC voltage request since lack of DVFSRC to
respond to the request causes failure to exit L1 PM Substate
(Jianjun Wang)
MediaTek MT7621 PCIe controller driver:
- Declare mt7621_pci_ops static (Sergio Paracuellos)
- Give pcibios_root_bridge_prepare() access to host bridge windows
(Sergio Paracuellos)
- Move MIPS I/O coherency unit setup from driver to
pcibios_root_bridge_prepare() (Sergio Paracuellos)
- Add missing MODULE_LICENSE() (Sergio Paracuellos)
- Allow COMPILE_TEST for all arches (Sergio Paracuellos)
Microsoft Hyper-V host bridge driver:
- Add hv-internal interfaces to encapsulate arch IRQ dependencies
(Sunil Muthuswamy)
- Add arm64 Hyper-V vPCI support (Sunil Muthuswamy)
Qualcomm PCIe controller driver:
- Undo PM setup in qcom_pcie_probe() error handling path (Christophe
JAILLET)
- Use __be16 type to store return value from cpu_to_be16()
(Manivannan Sadhasivam)
- Constify static dw_pcie_ep_ops (Rikard Falkeborn)
Renesas R-Car PCIe controller driver:
- Fix aarch32 abort handler so it doesn't check the wrong bus clock
before accessing the host controller (Marek Vasut)
TI Keystone PCIe controller driver:
- Add register offset for ti,syscon-pcie-id and ti,syscon-pcie-mode
DT properties (Kishon Vijay Abraham I)
MicroSemi Switchtec management driver:
- Add Gen4 automotive device IDs (Kelvin Cao)
- Declare state_names[] as static so it's not allocated and
initialized for every call (Kelvin Cao)
Host controller driver cleanups:
- Use of_device_get_match_data(), not of_match_device(), when we only
need the device data in altera, artpec6, cadence, designware-plat,
dra7xx, keystone, kirin (Fan Fei)
- Drop pointless of_device_get_match_data() cast in j721e (Bjorn
Helgaas)
- Drop redundant struct device * from j721e since struct cdns_pcie
already has one (Bjorn Helgaas)
- Rename driver structs to *_pcie in intel-gw, iproc, ls-gen4,
mediatek-gen3, microchip, mt7621, rcar-gen2, tegra194, uniphier,
xgene, xilinx, xilinx-cpm for consistency across drivers (Fan Fei)
- Fix invalid address space conversions in hisi, spear13xx (Bjorn
Helgaas)
Miscellaneous:
- Sort Intel Device IDs by value (Andy Shevchenko)
- Change Capability offsets to hex to match spec (Baruch Siach)
- Correct misspellings (Krzysztof Wilczyński)
- Terminate statement with semicolon in pci_endpoint_test.c (Ming
Wang)"
* tag 'pci-v5.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (151 commits)
PCI: mt7621: Allow COMPILE_TEST for all arches
PCI: mt7621: Add missing MODULE_LICENSE()
PCI: mt7621: Move MIPS setup to pcibios_root_bridge_prepare()
PCI: Let pcibios_root_bridge_prepare() access bridge->windows
PCI: mt7621: Declare mt7621_pci_ops static
PCI: brcmstb: Do not turn off WOL regulators on suspend
PCI: brcmstb: Add control of subdevice voltage regulators
PCI: brcmstb: Add mechanism to turn on subdev regulators
PCI: brcmstb: Split brcm_pcie_setup() into two funcs
dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators
dt-bindings: PCI: Correct brcmstb interrupts, interrupt-map.
PCI: brcmstb: Fix function return value handling
PCI: brcmstb: Do not use __GENMASK
PCI: brcmstb: Declare 'used' as bitmap, not unsigned long
PCI: hv: Add arm64 Hyper-V vPCI support
PCI: hv: Make the code arch neutral by adding arch specific interfaces
PCI: pciehp: Use down_read/write_nested(reset_lock) to fix lockdep errors
x86/PCI: Remove initialization of static variables to false
PCI: Use DWORD accesses for LTR, L1 SS to avoid erratum
misc: pci_endpoint_test: Terminate statement with semicolon
...
Merge misc updates from Andrew Morton:
"146 patches.
Subsystems affected by this patch series: kthread, ia64, scripts,
ntfs, squashfs, ocfs2, vfs, and mm (slab-generic, slab, kmemleak,
dax, kasan, debug, pagecache, gup, shmem, frontswap, memremap,
memcg, selftests, pagemap, dma, vmalloc, memory-failure, hugetlb,
userfaultfd, vmscan, mempolicy, oom-kill, hugetlbfs, migration, thp,
ksm, page-poison, percpu, rmap, zswap, zram, cleanups, hmm, and
damon)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (146 commits)
mm/damon: hide kernel pointer from tracepoint event
mm/damon/vaddr: hide kernel pointer from damon_va_three_regions() failure log
mm/damon/vaddr: use pr_debug() for damon_va_three_regions() failure logging
mm/damon/dbgfs: remove an unnecessary variable
mm/damon: move the implementation of damon_insert_region to damon.h
mm/damon: add access checking for hugetlb pages
Docs/admin-guide/mm/damon/usage: update for schemes statistics
mm/damon/dbgfs: support all DAMOS stats
Docs/admin-guide/mm/damon/reclaim: document statistics parameters
mm/damon/reclaim: provide reclamation statistics
mm/damon/schemes: account how many times quota limit has exceeded
mm/damon/schemes: account scheme actions that successfully applied
mm/damon: remove a mistakenly added comment for a future feature
Docs/admin-guide/mm/damon/usage: update for kdamond_pid and (mk|rm)_contexts
Docs/admin-guide/mm/damon/usage: mention tracepoint at the beginning
Docs/admin-guide/mm/damon/usage: remove redundant information
Docs/admin-guide/mm/damon/usage: update for scheme quotas and watermarks
mm/damon: convert macro functions to static inline functions
mm/damon: modify damon_rand() macro to static inline function
mm/damon: move damon_rand() definition into damon.h
...
find_bit API and bitmap API are closely related, but inclusion paths
are different - include/asm-generic and include/linux, correspondingly.
In the past it made a lot of troubles due to circular dependencies
and/or undefined symbols. Fix this by moving find.h under include/linux.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Since commit 4064b98270 ("mm: allow VM_FAULT_RETRY for multiple
times") allowed VM_FAULT_RETRY for multiple times, the
FAULT_FLAG_ALLOW_RETRY bit of fault_flag will not be changed in the page
fault path, so the following check is no longer needed:
flags & FAULT_FLAG_ALLOW_RETRY
So just remove it.
[akpm@linux-foundation.org: coding style fixes]
Link: https://lkml.kernel.org/r/20211110123358.36511-1-zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Kirill Shutemov <kirill@shutemov.name>
Cc: Peter Xu <peterx@redhat.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Chengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
GZIP-compressed files end with 4 byte data that represents the size
of the original input. The decompressors (the self-extracting kernel)
exploit it to know the vmlinux size beforehand. To mimic the GZIP's
trailer, Kbuild provides cmd_{bzip2,lzma,lzo,lz4,xzkern,zstd22}.
Unfortunately these macros are used everywhere despite the appended
size data is only useful for the decompressors.
There is no guarantee that such hand-crafted trailers are safely ignored.
In fact, the kernel refuses compressed initramdfs with the garbage data.
That is why usr/Makefile overrides size_append to make it no-op.
To limit the use of such broken compressed files, this commit renames
the existing macros as follows:
cmd_bzip2 --> cmd_bzip2_with_size
cmd_lzma --> cmd_lzma_with_size
cmd_lzo --> cmd_lzo_with_size
cmd_lz4 --> cmd_lz4_with_size
cmd_xzkern --> cmd_xzkern_with_size
cmd_zstd22 --> cmd_zstd22_with_size
To keep the decompressors working, I updated the following Makefiles
accordingly:
arch/arm/boot/compressed/Makefile
arch/h8300/boot/compressed/Makefile
arch/mips/boot/compressed/Makefile
arch/parisc/boot/compressed/Makefile
arch/s390/boot/compressed/Makefile
arch/sh/boot/compressed/Makefile
arch/x86/boot/compressed/Makefile
I reused the current macro names for the normal usecases; they produce
the compressed data in the proper format.
I did not touch the following:
arch/arc/boot/Makefile
arch/arm64/boot/Makefile
arch/csky/boot/Makefile
arch/mips/boot/Makefile
arch/riscv/boot/Makefile
arch/sh/boot/Makefile
kernel/Makefile
This means those Makefiles will stop appending the size data.
I dropped the 'override size_append' hack from usr/Makefile.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
I had to rebase at last moment to fix wrong author of one
commit. Sorry about that.
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Merge tag 'leds-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Nothing major is happening here"
* tag 'leds-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: lp55xx: initialise output direction from dts
ARM: dts: omap3-n900: Fix lp5523 for multi color
leds: ktd2692: Drop calling dev_of_node() in ktd2692_parse_dt
leds: lgm-sso: Get rid of duplicate of_node assignment
leds: tca6507: Get rid of duplicate of_node assignment
leds: leds-fsg: Drop FSG3 LED driver
leds: lp50xx: remove unused variable
dt-bindings: leds: Replace moonlight with indicator in mt6360 example
leds: led-core: Update fwnode with device_set_node
leds: tca6507: use swap() to make code cleaner
leds: Add mt6360 driver
dt-bindings: leds: Add bindings for MT6360 LED
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Merge tag 'for-linus-5.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- a fix for the Xen gntdev driver
- a fix for running as Xen dom0 booted via EFI and the EFI framebuffer
being located above 4GB
- a series for support of mapping other guest's memory by using zone
device when running as Xen guest on Arm
* tag 'for-linus-5.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
dt-bindings: xen: Clarify "reg" purpose
arm/xen: Read extended regions from DT and init Xen resource
xen/unpopulated-alloc: Add mechanism to use Xen resource
xen/balloon: Bring alloc(free)_xenballooned_pages helpers back
arm/xen: Switch to use gnttab_setup_auto_xlat_frames() for DT
xen/unpopulated-alloc: Drop check for virt_addr_valid() in fill_list()
xen/x86: obtain upper 32 bits of video frame buffer address for Dom0
xen/gntdev: fix unmap notification order
"Cleanup of the perf/kvm interaction."
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Merge tag 'perf_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Borislav Petkov:
"Cleanup of the perf/kvm interaction."
* tag 'perf_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Drop guest callback (un)register stubs
KVM: arm64: Drop perf.c and fold its tiny bits of code into arm.c
KVM: arm64: Hide kvm_arm_pmu_available behind CONFIG_HW_PERF_EVENTS=y
KVM: arm64: Convert to the generic perf callbacks
KVM: x86: Move Intel Processor Trace interrupt handler to vmx.c
KVM: Move x86's perf guest info callbacks to generic KVM
KVM: x86: More precisely identify NMI from guest when handling PMI
KVM: x86: Drop current_vcpu for kvm_running_vcpu + kvm_arch_vcpu variable
perf/core: Use static_call to optimize perf_guest_info_callbacks
perf: Force architectures to opt-in to guest callbacks
perf: Add wrappers for invoking guest callbacks
perf/core: Rework guest callbacks to prepare for static_call support
perf: Drop dead and useless guest "support" from arm, csky, nds32 and riscv
perf: Stop pretending that perf can handle multiple guest callbacks
KVM: x86: Register Processor Trace interrupt hook iff PT enabled in guest
KVM: x86: Register perf callbacks after calling vendor's hardware_setup()
perf: Protect perf_guest_cbs with RCU
Here is the big set of tty/serial driver updates for 5.17-rc1.
Nothing major in here, just lots of good updates and fixes, including:
- more tty core cleanups from Jiri as well as mxser driver
cleanups. This is the majority of the core diffstat
- tty documentation updates from Jiri
- platform_get_irq() updates
- various serial driver updates for new features and hardware
- fifo usage for 8250 console, reducing cpu load a lot
- LED fix for keyboards, long-time bugfix that went through many
revisions
- minor cleanups
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty/serial driver updates for 5.17-rc1.
Nothing major in here, just lots of good updates and fixes, including:
- more tty core cleanups from Jiri as well as mxser driver cleanups.
This is the majority of the core diffstat
- tty documentation updates from Jiri
- platform_get_irq() updates
- various serial driver updates for new features and hardware
- fifo usage for 8250 console, reducing cpu load a lot
- LED fix for keyboards, long-time bugfix that went through many
revisions
- minor cleanups
All have been in linux-next for a while with no reported problems"
* tag 'tty-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (119 commits)
serial: core: Keep mctrl register state and cached copy in sync
serial: stm32: correct loop for dma error handling
serial: stm32: fix flow control transfer in DMA mode
serial: stm32: rework TX DMA state condition
serial: stm32: move tx dma terminate DMA to shutdown
serial: pl011: Drop redundant DTR/RTS preservation on close/open
serial: pl011: Drop CR register reset on set_termios
serial: pl010: Drop CR register reset on set_termios
serial: liteuart: fix MODULE_ALIAS
serial: 8250_bcm7271: Fix return error code in case of dma_alloc_coherent() failure
Revert "serdev: BREAK/FRAME/PARITY/OVERRUN notification prototype V2"
tty: goldfish: Use platform_get_irq() to get the interrupt
serdev: BREAK/FRAME/PARITY/OVERRUN notification prototype V2
tty: serial: meson: Drop the legacy compatible strings and clock code
serial: pmac_zilog: Use platform_get_irq() to get the interrupt
serial: bcm63xx: Use platform_get_irq() to get the interrupt
serial: ar933x: Use platform_get_irq() to get the interrupt
serial: vt8500: Use platform_get_irq() to get the interrupt
serial: altera_jtaguart: Use platform_get_irq_optional() to get the interrupt
serial: pxa: Use platform_get_irq() to get the interrupt
...
Since the LED multicolor framework support was added in commit
92a81562e6 ("leds: lp55xx: Add multicolor framework support to lp55xx")
LEDs on this platform stopped working.
Fixes: 92a81562e6 ("leds: lp55xx: Add multicolor framework support to lp55xx")
Fixes: ac219bf3c9 ("leds: lp55xx: Convert to use GPIO descriptors")
Signed-off-by: Merlijn Wajer <merlijn@wizzup.org>
Signed-off-by: Sicelo A. Mhlongo <absicsz@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
"Lots of cleanups and preparation; highlights:
- futex: Cleanup and remove runtime futex_cmpxchg detection
- rtmutex: Some fixes for the PREEMPT_RT locking infrastructure
- kcsan: Share owner_on_cpu() between mutex,rtmutex and rwsem and
annotate the racy owner->on_cpu access *once*.
- atomic64: Dead-Code-Elemination"
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Merge tag 'locking_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Borislav Petkov:
"Lots of cleanups and preparation. Highlights:
- futex: Cleanup and remove runtime futex_cmpxchg detection
- rtmutex: Some fixes for the PREEMPT_RT locking infrastructure
- kcsan: Share owner_on_cpu() between mutex,rtmutex and rwsem and
annotate the racy owner->on_cpu access *once*.
- atomic64: Dead-Code-Elemination"
[ Description above by Peter Zijlstra ]
* tag 'locking_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/atomic: atomic64: Remove unusable atomic ops
futex: Fix additional regressions
locking: Allow to include asm/spinlock_types.h from linux/spinlock_types_raw.h
x86/mm: Include spinlock_t definition in pgtable.
locking: Mark racy reads of owner->on_cpu
locking: Make owner_on_cpu() into <linux/sched.h>
lockdep/selftests: Adapt ww-tests for PREEMPT_RT
lockdep/selftests: Skip the softirq related tests on PREEMPT_RT
lockdep/selftests: Unbalanced migrate_disable() & rcu_read_lock().
lockdep/selftests: Avoid using local_lock_{acquire|release}().
lockdep: Remove softirq accounting on PREEMPT_RT.
locking/rtmutex: Add rt_mutex_lock_nest_lock() and rt_mutex_lock_killable().
locking/rtmutex: Squash self-deadlock check for ww_rt_mutex.
locking: Remove rt_rwlock_is_contended().
sched: Trigger warning if ->migration_disabled counter underflows.
futex: Fix sparc32/m68k/nds32 build regression
futex: Remove futex_cmpxchg detection
futex: Ensure futex_atomic_cmpxchg_inatomic() is present
kernel/locking: Use a pointer in ww_mutex_trylock().
- amba bus irq rework
- add kfence support
- support for Cortex M33 and M55 CPUs
- kbuild updates for decompressor
- let core code manage thread_info::cpu
- avoid unpredictable NOP encoding in decompressor
- reduce information printed in calltraces
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- amba bus irq rework
- add kfence support
- support for Cortex M33 and M55 CPUs
- kbuild updates for decompressor
- let core code manage thread_info::cpu
- avoid unpredictable NOP encoding in decompressor
- reduce information printed in calltraces
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: reduce the information printed in call traces
ARM: 9168/1: Add support for Cortex-M55 processor
ARM: 9167/1: Add support for Cortex-M33 processor
ARM: 9166/1: Support KFENCE for ARM
ARM: 9165/1: mm: Provide is_write_fault()
ARM: 9164/1: mm: Provide set_memory_valid()
ARM: 9163/1: amba: Move of_amba_device_decode_irq() into amba_probe()
ARM: 9162/1: amba: Kill sysfs attribute file of irq
ARM: 9161/1: mm: mark private VM_FAULT_X defines as vm_fault_t
ARM: 9159/1: decompressor: Avoid UNPREDICTABLE NOP encoding
ARM: 9158/1: leave it to core code to manage thread_info::cpu
ARM: 9154/1: decompressor: do not copy source files while building
This has mostly been a quiet release for the SPI subsystem, almost all
cleanups and fixes to existing drivers. A couple of changes that stand
out:
- Cleanups and support for version specific features in the DesignWare
controller.
- Removal of support for Netlogic devices from the XLP driver, the
platform had previously been removed by MIPS so the support couldn't
be used.
- Conversion of several DT bindings to YAML format.
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Merge tag 'spi-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This has mostly been a quiet release for the SPI subsystem, almost all
cleanups and fixes to existing drivers.
A couple of changes that stand out:
- Cleanups and support for version specific features in the
DesignWare controller.
- Removal of support for Netlogic devices from the XLP driver, the
platform had previously been removed by MIPS so the support
couldn't be used.
- Conversion of several DT bindings to YAML format"
* tag 'spi-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (53 commits)
spi: don't include ptp_clock_kernel.h in spi.h
spi: spi-meson-spifc: Add missing pm_runtime_disable() in meson_spifc_probe
spi: atmel: Fix typo
spi: dt-bindings: mediatek,spi-mtk-nor: Fix example 'interrupts' property
spi: qcom: geni: handle timeout for gpi mode
spi: qcom: geni: set the error code for gpi transfer
spi: spi-mux: Add reference to spi-peripheral-props.yaml schema
spi: ar934x: fix transfer size
spi: pxa2xx: Propagate firmware node
spi: dw: Propagate firmware node
spi: dln2: Propagate firmware node
spi: ar934x: fix transfer and word delays
spi: uniphier: Fix a bug that doesn't point to private data correctly
spi: spi-mtk-nor: add new clock name 'axi' for spi nor
spi: atmel,quadspi: Define sama7g5 QSPI
spi: atmel,quadspi: Convert to json-schema
spi: Fix incorrect cs_setup delay handling
dt-bindings: mtd: spi-nor: Add a reference to spi-peripheral-props.yaml
spi: dt-bindings: cdns,qspi-nor: Move peripheral-specific properties out
spi: dt-bindings: add schema listing peripheral-specific properties
...
- Add new P-state driver for AMD processors (Huang Rui).
- Fix initialization of min and max frequency QoS requests in the
cpufreq core (Rafael Wysocki).
- Fix EPP handling on Alder Lake in intel_pstate (Srinivas Pandruvada).
- Make intel_pstate update cpuinfo.max_freq when notified of HWP
capabilities changes and drop a redundant function call from that
driver (Rafael Wysocki).
- Improve IRQ support in the Qcom cpufreq driver (Ard Biesheuvel,
Stephen Boyd, Vladimir Zapolskiy).
- Fix double devm_remap() in the Mediatek cpufreq driver (Hector Yuan).
- Introduce thermal pressure helpers for cpufreq CPU cooling (Lukasz
Luba).
- Make cpufreq use default_groups in kobj_type (Greg Kroah-Hartman).
- Make cpuidle use default_groups in kobj_type (Greg Kroah-Hartman).
- Fix two comments in cpuidle code (Jason Wang, Yang Li).
- Allow model-specific normal EPB value to be used in the intel_epb
sysfs attribute handling code (Srinivas Pandruvada).
- Simplify locking in pm_runtime_put_suppliers() (Rafael Wysocki).
- Add safety net to supplier device release in the runtime PM core
code (Rafael Wysocki).
- Capture device status before disabling runtime PM for it (Rafael
Wysocki).
- Add new macros for declaring PM operations to allow drivers to
avoid guarding them with CONFIG_PM #ifdefs or __maybe_unused and
update some drivers to use these macros (Paul Cercueil).
- Allow ACPI hardware signature to be honoured during restore from
hibernation (David Woodhouse).
- Update outdated operating performance points (OPP) documentation
(Tang Yizhou).
- Reduce log severity for informative message regarding frequency
transition failures in devfreq (Tzung-Bi Shih).
- Add DRAM frequency controller devfreq driver for Allwinner sunXi
SoCs (Samuel Holland).
- Add missing COMMON_CLK dependency to sun8i devfreq driver (Arnd
Bergmann).
- Add support for new layout of Psys PowerLimit Register on SPR to
the Intel RAPL power capping driver (Zhang Rui).
- Fix typo in a comment in idle_inject.c (Jason Wang).
- Remove unused function definition from the DTPM (Dynamit Thermal
Power Management) power capping framework (Daniel Lezcano).
- Reduce DTPM trace verbosity (Daniel Lezcano).
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Merge tag 'pm-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"The most signigicant change here is the addition of a new cpufreq
'P-state' driver for AMD processors as a better replacement for the
venerable acpi-cpufreq driver.
There are also other cpufreq updates (in the core, intel_pstate, ARM
drivers), PM core updates (mostly related to adding new macros for
declaring PM operations which should make the lives of driver
developers somewhat easier), and a bunch of assorted fixes and
cleanups.
Summary:
- Add new P-state driver for AMD processors (Huang Rui).
- Fix initialization of min and max frequency QoS requests in the
cpufreq core (Rafael Wysocki).
- Fix EPP handling on Alder Lake in intel_pstate (Srinivas
Pandruvada).
- Make intel_pstate update cpuinfo.max_freq when notified of HWP
capabilities changes and drop a redundant function call from that
driver (Rafael Wysocki).
- Improve IRQ support in the Qcom cpufreq driver (Ard Biesheuvel,
Stephen Boyd, Vladimir Zapolskiy).
- Fix double devm_remap() in the Mediatek cpufreq driver (Hector
Yuan).
- Introduce thermal pressure helpers for cpufreq CPU cooling (Lukasz
Luba).
- Make cpufreq use default_groups in kobj_type (Greg Kroah-Hartman).
- Make cpuidle use default_groups in kobj_type (Greg Kroah-Hartman).
- Fix two comments in cpuidle code (Jason Wang, Yang Li).
- Allow model-specific normal EPB value to be used in the intel_epb
sysfs attribute handling code (Srinivas Pandruvada).
- Simplify locking in pm_runtime_put_suppliers() (Rafael Wysocki).
- Add safety net to supplier device release in the runtime PM core
code (Rafael Wysocki).
- Capture device status before disabling runtime PM for it (Rafael
Wysocki).
- Add new macros for declaring PM operations to allow drivers to
avoid guarding them with CONFIG_PM #ifdefs or __maybe_unused and
update some drivers to use these macros (Paul Cercueil).
- Allow ACPI hardware signature to be honoured during restore from
hibernation (David Woodhouse).
- Update outdated operating performance points (OPP) documentation
(Tang Yizhou).
- Reduce log severity for informative message regarding frequency
transition failures in devfreq (Tzung-Bi Shih).
- Add DRAM frequency controller devfreq driver for Allwinner sunXi
SoCs (Samuel Holland).
- Add missing COMMON_CLK dependency to sun8i devfreq driver (Arnd
Bergmann).
- Add support for new layout of Psys PowerLimit Register on SPR to
the Intel RAPL power capping driver (Zhang Rui).
- Fix typo in a comment in idle_inject.c (Jason Wang).
- Remove unused function definition from the DTPM (Dynamit Thermal
Power Management) power capping framework (Daniel Lezcano).
- Reduce DTPM trace verbosity (Daniel Lezcano)"
* tag 'pm-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (53 commits)
x86, sched: Fix undefined reference to init_freq_invariance_cppc() build error
cpufreq: amd-pstate: Fix Kconfig dependencies for AMD P-State
cpufreq: amd-pstate: Fix struct amd_cpudata kernel-doc comment
cpuidle: use default_groups in kobj_type
x86: intel_epb: Allow model specific normal EPB value
MAINTAINERS: Add AMD P-State driver maintainer entry
Documentation: amd-pstate: Add AMD P-State driver introduction
cpufreq: amd-pstate: Add AMD P-State performance attributes
cpufreq: amd-pstate: Add AMD P-State frequencies attributes
cpufreq: amd-pstate: Add boost mode support for AMD P-State
cpufreq: amd-pstate: Add trace for AMD P-State module
cpufreq: amd-pstate: Introduce the support for the processors with shared memory solution
cpufreq: amd-pstate: Add fast switch function for AMD P-State
cpufreq: amd-pstate: Introduce a new AMD P-State driver to support future processors
ACPI: CPPC: Add CPPC enable register function
ACPI: CPPC: Check present CPUs for determining _CPC is valid
ACPI: CPPC: Implement support for SystemIO registers
x86/msr: Add AMD CPPC MSR definitions
x86/cpufeatures: Add AMD Collaborative Processor Performance Control feature flag
cpufreq: use default_groups in kobj_type
...
Core
----
- Defer freeing TCP skbs to the BH handler, whenever possible,
or at least perform the freeing outside of the socket lock section
to decrease cross-CPU allocator work and improve latency.
- Add netdevice refcount tracking to locate sources of netdevice
and net namespace refcount leaks.
- Make Tx watchdog less intrusive - avoid pausing Tx and restarting
all queues from a single CPU removing latency spikes.
- Various small optimizations throughout the stack from Eric Dumazet.
- Make netdev->dev_addr[] constant, force modifications to go via
appropriate helpers to allow us to keep addresses in ordered data
structures.
- Replace unix_table_lock with per-hash locks, improving performance
of bind() calls.
- Extend skb drop tracepoint with a drop reason.
- Allow SO_MARK and SO_PRIORITY setsockopt under CAP_NET_RAW.
BPF
---
- New helpers:
- bpf_find_vma(), find and inspect VMAs for profiling use cases
- bpf_loop(), runtime-bounded loop helper trading some execution
time for much faster (if at all converging) verification
- bpf_strncmp(), improve performance, avoid compiler flakiness
- bpf_get_func_arg(), bpf_get_func_ret(), bpf_get_func_arg_cnt()
for tracing programs, all inlined by the verifier
- Support BPF relocations (CO-RE) in the kernel loader.
- Further the support for BTF_TYPE_TAG annotations.
- Allow access to local storage in sleepable helpers.
- Convert verifier argument types to a composable form with different
attributes which can be shared across types (ro, maybe-null).
- Prepare libbpf for upcoming v1.0 release by cleaning up APIs,
creating new, extensible ones where missing and deprecating those
to be removed.
Protocols
---------
- WiFi (mac80211/cfg80211):
- notify user space about long "come back in N" AP responses,
allow it to react to such temporary rejections
- allow non-standard VHT MCS 10/11 rates
- use coarse time in airtime fairness code to save CPU cycles
- Bluetooth:
- rework of HCI command execution serialization to use a common
queue and work struct, and improve handling errors reported
in the middle of a batch of commands
- rework HCI event handling to use skb_pull_data, avoiding packet
parsing pitfalls
- support AOSP Bluetooth Quality Report
- SMC:
- support net namespaces, following the RDMA model
- improve connection establishment latency by pre-clearing buffers
- introduce TCP ULP for automatic redirection to SMC
- Multi-Path TCP:
- support ioctls: SIOCINQ, OUTQ, and OUTQNSD
- support socket options: IP_TOS, IP_FREEBIND, IP_TRANSPARENT,
IPV6_FREEBIND, and IPV6_TRANSPARENT, TCP_CORK and TCP_NODELAY
- support cmsgs: TCP_INQ
- improvements in the data scheduler (assigning data to subflows)
- support fastclose option (quick shutdown of the full MPTCP
connection, similar to TCP RST in regular TCP)
- MCTP (Management Component Transport) over serial, as defined by
DMTF spec DSP0253 - "MCTP Serial Transport Binding".
Driver API
----------
- Support timestamping on bond interfaces in active/passive mode.
- Introduce generic phylink link mode validation for drivers which
don't have any quirks and where MAC capability bits fully express
what's supported. Allow PCS layer to participate in the validation.
Convert a number of drivers.
- Add support to set/get size of buffers on the Rx rings and size of
the tx copybreak buffer via ethtool.
- Support offloading TC actions as first-class citizens rather than
only as attributes of filters, improve sharing and device resource
utilization.
- WiFi (mac80211/cfg80211):
- support forwarding offload (ndo_fill_forward_path)
- support for background radar detection hardware
- SA Query Procedures offload on the AP side
New hardware / drivers
----------------------
- tsnep - FPGA based TSN endpoint Ethernet MAC used in PLCs with
real-time requirements for isochronous communication with protocols
like OPC UA Pub/Sub.
- Qualcomm BAM-DMUX WWAN - driver for data channels of modems
integrated into many older Qualcomm SoCs, e.g. MSM8916 or
MSM8974 (qcom_bam_dmux).
- Microchip LAN966x multi-port Gigabit AVB/TSN Ethernet Switch
driver with support for bridging, VLANs and multicast forwarding
(lan966x).
- iwlmei driver for co-operating between Intel's WiFi driver and
Intel's Active Management Technology (AMT) devices.
- mse102x - Vertexcom MSE102x Homeplug GreenPHY chips
- Bluetooth:
- MediaTek MT7921 SDIO devices
- Foxconn MT7922A
- Realtek RTL8852AE
Drivers
-------
- Significantly improve performance in the datapaths of:
lan78xx, ax88179_178a, lantiq_xrx200, bnxt.
- Intel Ethernet NICs:
- igb: support PTP/time PEROUT and EXTTS SDP functions on
82580/i354/i350 adapters
- ixgbevf: new PF -> VF mailbox API which avoids the risk of
mailbox corruption with ESXi
- iavf: support configuration of VLAN features of finer granularity,
stacked tags and filtering
- ice: PTP support for new E822 devices with sub-ns precision
- ice: support firmware activation without reboot
- Mellanox Ethernet NICs (mlx5):
- expose control over IRQ coalescing mode (CQE vs EQE) via ethtool
- support TC forwarding when tunnel encap and decap happen between
two ports of the same NIC
- dynamically size and allow disabling various features to save
resources for running in embedded / SmartNIC scenarios
- Broadcom Ethernet NICs (bnxt):
- use page frag allocator to improve Rx performance
- expose control over IRQ coalescing mode (CQE vs EQE) via ethtool
- Other Ethernet NICs:
- amd-xgbe: add Ryzen 6000 (Yellow Carp) Ethernet support
- Microsoft cloud/virtual NIC (mana):
- add XDP support (PASS, DROP, TX)
- Mellanox Ethernet switches (mlxsw):
- initial support for Spectrum-4 ASICs
- VxLAN with IPv6 underlay
- Marvell Ethernet switches (prestera):
- support flower flow templates
- add basic IP forwarding support
- NXP embedded Ethernet switches (ocelot & felix):
- support Per-Stream Filtering and Policing (PSFP)
- enable cut-through forwarding between ports by default
- support FDMA to improve packet Rx/Tx to CPU
- Other embedded switches:
- hellcreek: improve trapping management (STP and PTP) packets
- qca8k: support link aggregation and port mirroring
- Qualcomm 802.11ax WiFi (ath11k):
- qca6390, wcn6855: enable 802.11 power save mode in station mode
- BSS color change support
- WCN6855 hw2.1 support
- 11d scan offload support
- scan MAC address randomization support
- full monitor mode, only supported on QCN9074
- qca6390/wcn6855: report signal and tx bitrate
- qca6390: rfkill support
- qca6390/wcn6855: regdb.bin support
- Intel WiFi (iwlwifi):
- support SAR GEO Offset Mapping (SGOM) and Time-Aware-SAR (TAS)
in cooperation with the BIOS
- support for Optimized Connectivity Experience (OCE) scan
- support firmware API version 68
- lots of preparatory work for the upcoming Bz device family
- MediaTek WiFi (mt76):
- Specific Absorption Rate (SAR) support
- mt7921: 160 MHz channel support
- RealTek WiFi (rtw88):
- Specific Absorption Rate (SAR) support
- scan offload
- Other WiFi NICs
- ath10k: support fetching (pre-)calibration data from nvmem
- brcmfmac: configure keep-alive packet on suspend
- wcn36xx: beacon filter support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag '5.17-net-next' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core
----
- Defer freeing TCP skbs to the BH handler, whenever possible, or at
least perform the freeing outside of the socket lock section to
decrease cross-CPU allocator work and improve latency.
- Add netdevice refcount tracking to locate sources of netdevice and
net namespace refcount leaks.
- Make Tx watchdog less intrusive - avoid pausing Tx and restarting
all queues from a single CPU removing latency spikes.
- Various small optimizations throughout the stack from Eric Dumazet.
- Make netdev->dev_addr[] constant, force modifications to go via
appropriate helpers to allow us to keep addresses in ordered data
structures.
- Replace unix_table_lock with per-hash locks, improving performance
of bind() calls.
- Extend skb drop tracepoint with a drop reason.
- Allow SO_MARK and SO_PRIORITY setsockopt under CAP_NET_RAW.
BPF
---
- New helpers:
- bpf_find_vma(), find and inspect VMAs for profiling use cases
- bpf_loop(), runtime-bounded loop helper trading some execution
time for much faster (if at all converging) verification
- bpf_strncmp(), improve performance, avoid compiler flakiness
- bpf_get_func_arg(), bpf_get_func_ret(), bpf_get_func_arg_cnt()
for tracing programs, all inlined by the verifier
- Support BPF relocations (CO-RE) in the kernel loader.
- Further the support for BTF_TYPE_TAG annotations.
- Allow access to local storage in sleepable helpers.
- Convert verifier argument types to a composable form with different
attributes which can be shared across types (ro, maybe-null).
- Prepare libbpf for upcoming v1.0 release by cleaning up APIs,
creating new, extensible ones where missing and deprecating those
to be removed.
Protocols
---------
- WiFi (mac80211/cfg80211):
- notify user space about long "come back in N" AP responses,
allow it to react to such temporary rejections
- allow non-standard VHT MCS 10/11 rates
- use coarse time in airtime fairness code to save CPU cycles
- Bluetooth:
- rework of HCI command execution serialization to use a common
queue and work struct, and improve handling errors reported in
the middle of a batch of commands
- rework HCI event handling to use skb_pull_data, avoiding packet
parsing pitfalls
- support AOSP Bluetooth Quality Report
- SMC:
- support net namespaces, following the RDMA model
- improve connection establishment latency by pre-clearing buffers
- introduce TCP ULP for automatic redirection to SMC
- Multi-Path TCP:
- support ioctls: SIOCINQ, OUTQ, and OUTQNSD
- support socket options: IP_TOS, IP_FREEBIND, IP_TRANSPARENT,
IPV6_FREEBIND, and IPV6_TRANSPARENT, TCP_CORK and TCP_NODELAY
- support cmsgs: TCP_INQ
- improvements in the data scheduler (assigning data to subflows)
- support fastclose option (quick shutdown of the full MPTCP
connection, similar to TCP RST in regular TCP)
- MCTP (Management Component Transport) over serial, as defined by
DMTF spec DSP0253 - "MCTP Serial Transport Binding".
Driver API
----------
- Support timestamping on bond interfaces in active/passive mode.
- Introduce generic phylink link mode validation for drivers which
don't have any quirks and where MAC capability bits fully express
what's supported. Allow PCS layer to participate in the validation.
Convert a number of drivers.
- Add support to set/get size of buffers on the Rx rings and size of
the tx copybreak buffer via ethtool.
- Support offloading TC actions as first-class citizens rather than
only as attributes of filters, improve sharing and device resource
utilization.
- WiFi (mac80211/cfg80211):
- support forwarding offload (ndo_fill_forward_path)
- support for background radar detection hardware
- SA Query Procedures offload on the AP side
New hardware / drivers
----------------------
- tsnep - FPGA based TSN endpoint Ethernet MAC used in PLCs with
real-time requirements for isochronous communication with protocols
like OPC UA Pub/Sub.
- Qualcomm BAM-DMUX WWAN - driver for data channels of modems
integrated into many older Qualcomm SoCs, e.g. MSM8916 or MSM8974
(qcom_bam_dmux).
- Microchip LAN966x multi-port Gigabit AVB/TSN Ethernet Switch driver
with support for bridging, VLANs and multicast forwarding
(lan966x).
- iwlmei driver for co-operating between Intel's WiFi driver and
Intel's Active Management Technology (AMT) devices.
- mse102x - Vertexcom MSE102x Homeplug GreenPHY chips
- Bluetooth:
- MediaTek MT7921 SDIO devices
- Foxconn MT7922A
- Realtek RTL8852AE
Drivers
-------
- Significantly improve performance in the datapaths of: lan78xx,
ax88179_178a, lantiq_xrx200, bnxt.
- Intel Ethernet NICs:
- igb: support PTP/time PEROUT and EXTTS SDP functions on
82580/i354/i350 adapters
- ixgbevf: new PF -> VF mailbox API which avoids the risk of
mailbox corruption with ESXi
- iavf: support configuration of VLAN features of finer
granularity, stacked tags and filtering
- ice: PTP support for new E822 devices with sub-ns precision
- ice: support firmware activation without reboot
- Mellanox Ethernet NICs (mlx5):
- expose control over IRQ coalescing mode (CQE vs EQE) via ethtool
- support TC forwarding when tunnel encap and decap happen between
two ports of the same NIC
- dynamically size and allow disabling various features to save
resources for running in embedded / SmartNIC scenarios
- Broadcom Ethernet NICs (bnxt):
- use page frag allocator to improve Rx performance
- expose control over IRQ coalescing mode (CQE vs EQE) via ethtool
- Other Ethernet NICs:
- amd-xgbe: add Ryzen 6000 (Yellow Carp) Ethernet support
- Microsoft cloud/virtual NIC (mana):
- add XDP support (PASS, DROP, TX)
- Mellanox Ethernet switches (mlxsw):
- initial support for Spectrum-4 ASICs
- VxLAN with IPv6 underlay
- Marvell Ethernet switches (prestera):
- support flower flow templates
- add basic IP forwarding support
- NXP embedded Ethernet switches (ocelot & felix):
- support Per-Stream Filtering and Policing (PSFP)
- enable cut-through forwarding between ports by default
- support FDMA to improve packet Rx/Tx to CPU
- Other embedded switches:
- hellcreek: improve trapping management (STP and PTP) packets
- qca8k: support link aggregation and port mirroring
- Qualcomm 802.11ax WiFi (ath11k):
- qca6390, wcn6855: enable 802.11 power save mode in station mode
- BSS color change support
- WCN6855 hw2.1 support
- 11d scan offload support
- scan MAC address randomization support
- full monitor mode, only supported on QCN9074
- qca6390/wcn6855: report signal and tx bitrate
- qca6390: rfkill support
- qca6390/wcn6855: regdb.bin support
- Intel WiFi (iwlwifi):
- support SAR GEO Offset Mapping (SGOM) and Time-Aware-SAR (TAS)
in cooperation with the BIOS
- support for Optimized Connectivity Experience (OCE) scan
- support firmware API version 68
- lots of preparatory work for the upcoming Bz device family
- MediaTek WiFi (mt76):
- Specific Absorption Rate (SAR) support
- mt7921: 160 MHz channel support
- RealTek WiFi (rtw88):
- Specific Absorption Rate (SAR) support
- scan offload
- Other WiFi NICs
- ath10k: support fetching (pre-)calibration data from nvmem
- brcmfmac: configure keep-alive packet on suspend
- wcn36xx: beacon filter support"
* tag '5.17-net-next' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2048 commits)
tcp: tcp_send_challenge_ack delete useless param `skb`
net/qla3xxx: Remove useless DMA-32 fallback configuration
rocker: Remove useless DMA-32 fallback configuration
hinic: Remove useless DMA-32 fallback configuration
lan743x: Remove useless DMA-32 fallback configuration
net: enetc: Remove useless DMA-32 fallback configuration
cxgb4vf: Remove useless DMA-32 fallback configuration
cxgb4: Remove useless DMA-32 fallback configuration
cxgb3: Remove useless DMA-32 fallback configuration
bnx2x: Remove useless DMA-32 fallback configuration
et131x: Remove useless DMA-32 fallback configuration
be2net: Remove useless DMA-32 fallback configuration
vmxnet3: Remove useless DMA-32 fallback configuration
bna: Simplify DMA setting
net: alteon: Simplify DMA setting
myri10ge: Simplify DMA setting
qlcnic: Simplify DMA setting
net: allwinner: Fix print format
page_pool: remove spinlock in page_pool_refill_alloc_cache()
amt: fix wrong return type of amt_send_membership_update()
...
Linus Torvalds