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Reset nr_hugepages to zero before the start of the test.
If a non-zero number of hugepages is already set before the start of the
test, the following problems arise:
- The probability of the test getting OOM-killed increases. Proof:
The test wants to run on 80% of available memory to prevent OOM-killing
(see original code comments). Let the value of mem_free at the start
of the test, when nr_hugepages = 0, be x. In the other case, when
nr_hugepages > 0, let the memory consumed by hugepages be y. In the
former case, the test operates on 0.8 * x of memory. In the latter,
the test operates on 0.8 * (x - y) of memory, with y already filled,
hence, memory consumed is y + 0.8 * (x - y) = 0.8 * x + 0.2 * y > 0.8 *
x. Q.E.D
- The probability of a bogus test success increases. Proof: Let the
memory consumed by hugepages be greater than 25% of x, with x and y
defined as above. The definition of compaction_index is c_index = (x -
y)/z where z is the memory consumed by hugepages after trying to
increase them again. In check_compaction(), we set the number of
hugepages to zero, and then increase them back; the probability that
they will be set back to consume at least y amount of memory again is
very high (since there is not much delay between the two attempts of
changing nr_hugepages). Hence, z >= y > (x/4) (by the 25% assumption).
Therefore, c_index = (x - y)/z <= (x - y)/y = x/y - 1 < 4 - 1 = 3
hence, c_index can always be forced to be less than 3, thereby the test
succeeding always. Q.E.D
Link: https://lkml.kernel.org/r/20240521074358.675031-4-dev.jain@arm.com
Fixes: bd67d5c15c ("Test compaction of mlocked memory")
Signed-off-by: Dev Jain <dev.jain@arm.com>
Cc: <stable@vger.kernel.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Sri Jayaramappa <sjayaram@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "Fixes for compaction_test", v2.
The compaction_test memory selftest introduces fragmentation in memory
and then tries to allocate as many hugepages as possible. This series
addresses some problems.
On Aarch64, if nr_hugepages == 0, then the test trivially succeeds since
compaction_index becomes 0, which is less than 3, due to no division by
zero exception being raised. We fix that by checking for division by
zero.
Secondly, correctly set the number of hugepages to zero before trying
to set a large number of them.
Now, consider a situation in which, at the start of the test, a non-zero
number of hugepages have been already set (while running the entire
selftests/mm suite, or manually by the admin). The test operates on 80%
of memory to avoid OOM-killer invocation, and because some memory is
already blocked by hugepages, it would increase the chance of OOM-killing.
Also, since mem_free used in check_compaction() is the value before we
set nr_hugepages to zero, the chance that the compaction_index will
be small is very high if the preset nr_hugepages was high, leading to a
bogus test success.
This patch (of 3):
Currently, if at runtime we are not able to allocate a huge page, the test
will trivially pass on Aarch64 due to no exception being raised on
division by zero while computing compaction_index. Fix that by checking
for nr_hugepages == 0. Anyways, in general, avoid a division by zero by
exiting the program beforehand. While at it, fix a typo, and handle the
case where the number of hugepages may overflow an integer.
Link: https://lkml.kernel.org/r/20240521074358.675031-1-dev.jain@arm.com
Link: https://lkml.kernel.org/r/20240521074358.675031-2-dev.jain@arm.com
Fixes: bd67d5c15c ("Test compaction of mlocked memory")
Signed-off-by: Dev Jain <dev.jain@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Sri Jayaramappa <sjayaram@akamai.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
After commit 69d4c0d321 ("entry, kasan, x86: Disallow overriding mem*()
functions") and the follow-up fixes, with CONFIG_FORTIFY_SOURCE enabled,
even though the compiler instruments meminstrinsics by generating calls to
__asan/__hwasan_ prefixed functions, FORTIFY_SOURCE still uses
uninstrumented memset/memmove/memcpy as the underlying functions.
As a result, KASAN cannot detect bad accesses in memset/memmove/memcpy.
This also makes KASAN tests corrupt kernel memory and cause crashes.
To fix this, use __asan_/__hwasan_memset/memmove/memcpy as the underlying
functions whenever appropriate. Do this only for the instrumented code
(as indicated by __SANITIZE_ADDRESS__).
Link: https://lkml.kernel.org/r/20240517130118.759301-1-andrey.konovalov@linux.dev
Fixes: 69d4c0d321 ("entry, kasan, x86: Disallow overriding mem*() functions")
Fixes: 51287dcb00 ("kasan: emit different calls for instrumentable memintrinsics")
Fixes: 36be5cba99 ("kasan: treat meminstrinsic as builtins in uninstrumented files")
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Reported-by: Erhard Furtner <erhard_f@mailbox.org>
Reported-by: Nico Pache <npache@redhat.com>
Closes: https://lore.kernel.org/all/20240501144156.17e65021@outsider.home/
Reviewed-by: Marco Elver <elver@google.com>
Tested-by: Nico Pache <npache@redhat.com>
Acked-by: Nico Pache <npache@redhat.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Daniel Axtens <dja@axtens.net>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Pull more non-mm updates from Andrew Morton:
- A series ("kbuild: enable more warnings by default") from Arnd
Bergmann which enables a number of additional build-time warnings. We
fixed all the fallout which we could find, there may still be a few
stragglers.
- Samuel Holland has developed the series "Unified cross-architecture
kernel-mode FPU API". This does a lot of consolidation of
per-architecture kernel-mode FPU usage and enables the use of newer
AMD GPUs on RISC-V.
- Tao Su has fixed some selftests build warnings in the series
"Selftests: Fix compilation warnings due to missing _GNU_SOURCE
definition".
- This pull also includes a nilfs2 fixup from Ryusuke Konishi.
* tag 'mm-nonmm-stable-2024-05-22-17-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (23 commits)
nilfs2: make block erasure safe in nilfs_finish_roll_forward()
selftests/harness: use 1024 in place of LINE_MAX
Revert "selftests/harness: remove use of LINE_MAX"
selftests/fpu: allow building on other architectures
selftests/fpu: move FP code to a separate translation unit
drm/amd/display: use ARCH_HAS_KERNEL_FPU_SUPPORT
drm/amd/display: only use hard-float, not altivec on powerpc
riscv: add support for kernel-mode FPU
x86: implement ARCH_HAS_KERNEL_FPU_SUPPORT
powerpc: implement ARCH_HAS_KERNEL_FPU_SUPPORT
LoongArch: implement ARCH_HAS_KERNEL_FPU_SUPPORT
lib/raid6: use CC_FLAGS_FPU for NEON CFLAGS
arm64: crypto: use CC_FLAGS_FPU for NEON CFLAGS
arm64: implement ARCH_HAS_KERNEL_FPU_SUPPORT
ARM: crypto: use CC_FLAGS_FPU for NEON CFLAGS
ARM: implement ARCH_HAS_KERNEL_FPU_SUPPORT
arch: add ARCH_HAS_KERNEL_FPU_SUPPORT
x86/fpu: fix asm/fpu/types.h include guard
kbuild: enable -Wcast-function-type-strict unconditionally
kbuild: enable -Wformat-truncation on clang
...
Pull more mm updates from Andrew Morton:
"A series from Dave Chinner which cleans up and fixes the handling of
nested allocations within stackdepot and page-owner"
* tag 'mm-stable-2024-05-22-17-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/page-owner: use gfp_nested_mask() instead of open coded masking
stackdepot: use gfp_nested_mask() instead of open coded masking
mm: lift gfp_kmemleak_mask() to gfp.h
Use '%pD' to print out the filename, and print out the actual offset
within the file too, rather than just what the virtual address of the
mapping is (which doesn't tell you anything about any mapping offsets).
Also, use the exact vma_lookup() instead of find_vma() - the latter
looks up any vma _after_ the address, which is of questionable value
(yes, maybe you fell off the beginning, but you'd be more likely to fall
off the end).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge trivial x86 code generation annoyances
- Introduce helper macros for clang asm input problems
- use said macros to improve trivially stupid code generation issues in
bitops and array_index_mask_nospec
- also improve codegen with 32-bit array index comparisons
None of these really matter, but I look at code generation and profiles
fairly regularly, and these misfeatures caused the generated code to
look really odd and distract from the real issues.
* branch 'x86-codegen' of local tree:
x86: improve bitop code generation with clang
x86: improve array_index_mask_nospec() code generation
clang: work around asm input constraint problems
This uses the new ASM_INPUT_RM macro to avoid the bad code generation
issue that clang has with more generic asm inputs.
This ends up avoiding generating code like this:
mov %r10,(%rsp)
tzcnt (%rsp),%rcx
which now becomes just
tzcnt %r10,%rcx
and in the process ends up also removing a few unnecessary stack frames
when the only use was that pointless "asm uses memory location off stack".
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Don't force the inputs to be 'unsigned long', when the comparison can
easily be done in 32-bit if that's more appropriate.
Note that while we can look at the inputs to choose an appropriate size
for the compare instruction, the output is fixed at 'unsigned long'.
That's not technically optimal either, since a 32-bit 'sbbl' would often
be sufficient.
But for the outgoing mask we don't know how the mask ends up being used
(ie we have uses that have an incoming 32-bit array index, but end up
using the mask for other things). That said, it only costs the extra
REX prefix to always generate the 64-bit mask.
[ A 'sbbl' also always technically generates a 64-bit mask, but with the
upper 32 bits clear: that's fine for when the incoming index that will
be masked is already 32-bit, but not if you use the mask to mask a
pointer afterwards, like the file table lookup does ]
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull char/misc and other driver subsystem updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem updates
for 6.10-rc1. Nothing major here, just lots of new drivers and updates
for apis and new hardware types. Included in here are:
- big IIO driver updates with more devices and drivers added
- fpga driver updates
- hyper-v driver updates
- uio_pruss driver removal, no one uses it, other drivers control the
same hardware now
- binder minor updates
- mhi driver updates
- excon driver updates
- counter driver updates
- accessability driver updates
- coresight driver updates
- other hwtracing driver updates
- nvmem driver updates
- slimbus driver updates
- spmi driver updates
- other smaller misc and char driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (319 commits)
misc: ntsync: mark driver as "broken" to prevent from building
spmi: pmic-arb: Add multi bus support
spmi: pmic-arb: Register controller for bus instead of arbiter
spmi: pmic-arb: Make core resources acquiring a version operation
spmi: pmic-arb: Make the APID init a version operation
spmi: pmic-arb: Fix some compile warnings about members not being described
dt-bindings: spmi: Deprecate qcom,bus-id
dt-bindings: spmi: Add X1E80100 SPMI PMIC ARB schema
spmi: pmic-arb: Replace three IS_ERR() calls by null pointer checks in spmi_pmic_arb_probe()
spmi: hisi-spmi-controller: Do not override device identifier
dt-bindings: spmi: hisilicon,hisi-spmi-controller: clean up example
dt-bindings: spmi: hisilicon,hisi-spmi-controller: fix binding references
spmi: make spmi_bus_type const
extcon: adc-jack: Document missing struct members
extcon: realtek: Remove unused of_gpio.h
extcon: usbc-cros-ec: Convert to platform remove callback returning void
extcon: usb-gpio: Convert to platform remove callback returning void
extcon: max77843: Convert to platform remove callback returning void
extcon: max3355: Convert to platform remove callback returning void
extcon: intel-mrfld: Convert to platform remove callback returning void
...
Pull driver core updates from Greg KH:
"Here is the small set of driver core and kernfs changes for 6.10-rc1.
Nothing major here at all, just a small set of changes for some driver
core apis, and minor fixups. Included in here are:
- sysfs_bin_attr_simple_read() helper added and used
- device_show_string() helper added and used
All usages of these were acked by the various maintainers. Also in
here are:
- kernfs minor cleanup
- removed unused functions
- typo fix in documentation
- pay attention to sysfs_create_link() failures in module.c finally
All of these have been in linux-next for a very long time with no
reported problems"
* tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
device property: Fix a typo in the description of device_get_child_node_count()
kernfs: mount: Remove unnecessary ‘NULL’ values from knparent
scsi: Use device_show_string() helper for sysfs attributes
platform/x86: Use device_show_string() helper for sysfs attributes
perf: Use device_show_string() helper for sysfs attributes
IB/qib: Use device_show_string() helper for sysfs attributes
hwmon: Use device_show_string() helper for sysfs attributes
driver core: Add device_show_string() helper for sysfs attributes
treewide: Use sysfs_bin_attr_simple_read() helper
sysfs: Add sysfs_bin_attr_simple_read() helper
module: don't ignore sysfs_create_link() failures
driver core: Remove unused platform_notify, platform_notify_remove
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver changes for 6.10-rc1. Not a lot
of cleanups happening this kernel release, intern applications must be
out of sync at the moment. But we did delete two drivers, wlan-ng and
pi433, as they are no longer in use and the developers involved wanted
them just gone entirely, allowing us to drop 19k lines from the tree.
Other than the normal coding style cleanups here, there has been a lot
of work on the vc04_services code, with the intent to finally get that
out of staging hopefully soon. It's getting closer, which is nice to
see.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (98 commits)
staging: pi433: Remove unused driver
staging: vchiq_core: Add missing blank lines
staging: vchiq_core: Drop unnecessary blank lines
staging: vchiq_core: Add parentheses to VCHIQ_MSG_SRCPORT
staging: vchiq_core: Use printk messages for devices
staging: vchiq_arm: Drop unnecessary NULL check
staging: vc04_services: Delete unnecessary NULL check
staging: vc04_services: vchiq_arm: Fix NULL ptr dereferences
Staging: rtl8192e: Rename variable DssCCk
Staging: rtl8192e: Rename variable ExtHTCapInfo
Staging: rtl8192e: Rename variable MPDUDensity
Staging: rtl8192e: Rename variable MaxRxAMPDUFactor
Staging: rtl8192e: Rename variable MaxAMSDUSize
Staging: rtl8192e: Rename variable DelayBA
Staging: rtl8192e: Rename variable RxSTBC
Staging: rtl8192e: Rename variable TxSTBC
Staging: rtl8192e: Rename variable GreenField
Staging: rtl8192e: Rename variable ShortGI20Mhz
Staging: rtl8192e: Rename variable ShortGI40Mhz
Staging: rtl8192e: Rename variable MimoPwrSave
...
Pull tty / serial updates from Greg KH:
"Here is the big set of tty/serial driver changes for 6.10-rc1.
Included in here are:
- Usual good set of api cleanups and evolution by Jiri Slaby to make
the serial interfaces move out of the 1990's by using kfifos
instead of hand-rolling their own logic.
- 8250_exar driver updates
- max3100 driver updates
- sc16is7xx driver updates
- exar driver updates
- sh-sci driver updates
- tty ldisc api addition to help refuse bindings
- other smaller serial driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (113 commits)
serial: Clear UPF_DEAD before calling tty_port_register_device_attr_serdev()
serial: imx: Raise TX trigger level to 8
serial: 8250_pnp: Simplify "line" related code
serial: sh-sci: simplify locking when re-issuing RXDMA fails
serial: sh-sci: let timeout timer only run when DMA is scheduled
serial: sh-sci: describe locking requirements for invalidating RXDMA
serial: sh-sci: protect invalidating RXDMA on shutdown
tty: add the option to have a tty reject a new ldisc
serial: core: Call device_set_awake_path() for console port
dt-bindings: serial: brcm,bcm2835-aux-uart: convert to dtschema
tty: serial: uartps: Add support for uartps controller reset
arm64: zynqmp: Add resets property for UART nodes
dt-bindings: serial: cdns,uart: Add optional reset property
serial: 8250_pnp: Switch to DEFINE_SIMPLE_DEV_PM_OPS()
serial: 8250_exar: Keep the includes sorted
serial: 8250_exar: Make type of bit the same in exar_ee_*_bit()
serial: 8250_exar: Use BIT() in exar_ee_read()
serial: 8250_exar: Switch to use dev_err_probe()
serial: 8250_exar: Return directly from switch-cases
serial: 8250_exar: Decrease indentation level
...
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.10-rc1.
Nothing hugely earth-shattering, just constant forward progress for
hardware support of new devices and cleanups over the drivers.
Included in here are:
- Thunderbolt / USB 4 driver updates
- typec driver updates
- dwc3 driver updates
- gadget driver updates
- uss720 driver id additions and fixes (people use USB->arallel port
devices still!)
- onboard-hub driver rename and additions for new hardware
- xhci driver updates
- other small USB driver updates and additions for quirks and api
changes
All of these have been in linux-next for a while with no reported
problems"
* tag 'usb-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (154 commits)
drm/bridge: aux-hpd-bridge: correct devm_drm_dp_hpd_bridge_add() stub
usb: fotg210: Add missing kernel doc description
usb: dwc3: core: Fix unused variable warning in core driver
usb: typec: tipd: rely on i2c_get_match_data()
usb: typec: tipd: fix event checking for tps6598x
usb: typec: tipd: fix event checking for tps25750
dt-bindings: usb: qcom,dwc3: fix interrupt max items
usb: fotg210: Use *-y instead of *-objs in Makefile
usb: phy: tegra: Replace of_gpio.h by proper one
usb: typec: ucsi: displayport: Fix potential deadlock
usb: typec: qcom-pmic-typec: split HPD bridge alloc and registration
usb: musc: Remove unused list 'buffers'
usb: dwc3: Wait unconditionally after issuing EndXfer command
usb: gadget: u_audio: Clear uac pointer when freed.
usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind.
dt-bindings: usb: dwc3: Add QDU1000 compatible
usb: core: Remove the useless struct usb_devmap which is just a bitmap
MAINTAINERS: Remove {ehci,uhci}-platform.c from ARM/VT8500 entry
USB: usb_parse_endpoint: ignore reserved bits
usb: xhci: compact 'trb_in_td()' arguments
...
Pull LED updates from Lee Jones:
"Core Frameworks:
- Ensure seldom updated triggers have a brightness value before first
update
New Device Support:
- Add support for Simatic IPC Device BX_59A to IPC LEDs Core
- Add support for Qualcomm PMI8950 PWM to LPG Core
New Functionality:
- Add a bunch of new LED function identifiers
- Add support for High Resolution Timers in LED Trigger Patten
Fix-ups:
- Shift out Audio Trigger to the Sound subsystem
- Convert suitable calls to devm_* managed resources
- Device Tree binding adaptions/conversions/creation
- Remove superfluous code/variables/attributes and simplify overall
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
Bug Fixes:
- Repair enabling Torch Mode from V4L2 on the second LED
- Ensure PWM is disabled when suspending"
* tag 'leds-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (28 commits)
leds: mt6370: Remove unused field 'reg_cfgs' from 'struct mt6370_priv'
leds: lp50xx: Remove unused field 'num_of_banked_leds' from 'struct lp50xx'
leds: lp50xx: Remove unused field 'bank_modules' from 'struct lp50xx_led'
leds: aat1290: Remove unused field 'torch_brightness' from 'struct aat1290_led'
leds: sun50i-a100: Use match_string() helper to simplify the code
leds: pwm: Disable PWM when going to suspend
leds: trigger: pattern: Add support for hrtimer
leds: mt6360: Fix the second LED can not enable torch mode by V4L2
dt-bindings: leds: leds-qcom-lpg: Add support for PMI8950 PWM
leds: qcom-lpg: Add support for PMI8950 PWM
leds: apu: Remove duplicate DMI lookup data
leds: trigger: netdev: Remove not needed call to led_set_brightness in deactivate
dt-bindings: leds: Add LED_FUNCTION_SPEED_* for link speed on LAN/WAN
dt-bindings: leds: Add LED_FUNCTION_MOBILE for mobile network
leds: simatic-ipc-leds-gpio: Add support for module BX-59A
dt-bindings: leds: qcom-lpg: Document PM6150L compatible
dt-bindings: leds: pca963x: Convert text bindings to YAML
leds: an30259a: Use devm_mutex_init() for mutex initialization
leds: mlxreg: Use devm_mutex_init() for mutex initialization
leds: nic78bx: Use devm API to cleanup module's resources
...
Pull MFD updates from Lee Jones:
"New Device Support:
- Add support for X-Powers AXP717 PMIC to AXP22X
- Add support for Rockchip RK816 PMIC to RK8XX
- Add support for TI TPS65224 PMIC to TPS6594
New Functionality:
- Add Power Off functionality to Rohm BD71828
- Allow I2C SMBus access in Renesas RSMU
Fix-ups:
- Device Tree binding adaptions/conversions/creation
- Shift Intel support over to MSI interrupts
- Generify adding platform data away from being ACPI specific
- Use device core supplied attribute to register sysfs entries
- Replace hand-rolled functionality with generic APIs
- Utilise centrally provided helpers and macros
- Clean-up error handling
- Remove superfluous/duplicated/unused sections
- Trivial; spelling, whitespace, coding-style adaptions
- More Maple Tree conversions"
* tag 'mfd-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (44 commits)
dt-bindings: mfd: Use full path to other schemas
mfd: rsmu: support I2C SMBus access
dt-bindings: mfd: Convert lp873x.txt to json-schema
dt-bindings: mfd: aspeed: Drop 'oneOf' for pinctrl node
dt-bindings: mfd: allwinner,sun6i-a31-prcm: Use hyphens in node names
mfd: ssbi: Remove unused field 'slave' from 'struct ssbi'
mfd: kempld: Remove custom DMI matching code
mfd: cs42l43: Update patching revision check
dt-bindings: mfd: qcom: pm8xxx: Add pm8901 compatible
mfd: timberdale: Remove redundant assignment to variable err
dt-bindings: mfd: qcom,spmi-pmic: Add pbs to SPMI device types
dt-bindings: mfd: syscon: Add ti,am62p-cpsw-mac-efuse compatible
dt-bindings: mfd: qcom,tcsr: Add compatible for SDX75
mfd: axp20x: Convert to use Maple Tree register cache
mfd: bd71828: Remove commented code lines
mfd: intel-m10-bmc: Change staging size to a variable
dt-bindings: mfd: Add ROHM BD71879
mfd: Tidy Kconfig dependency's parentheses
mfd: ocelot-spi: Use spi_sync_transfer()
dt-bindings: mfd: syscon: Add missing simple syscon compatibles
...
Pull RISC-V updates from Palmer Dabbelt:
- Add byte/half-word compare-and-exchange, emulated via LR/SC loops
- Support for Rust
- Support for Zihintpause in hwprobe
- Add PR_RISCV_SET_ICACHE_FLUSH_CTX prctl()
- Support lockless lockrefs
* tag 'riscv-for-linus-6.10-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits)
riscv: defconfig: Enable CONFIG_CLK_SOPHGO_CV1800
riscv: select ARCH_HAS_FAST_MULTIPLIER
riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required
riscv: Annotate pgtable_l{4,5}_enabled with __ro_after_init
riscv: Remove redundant CONFIG_64BIT from pgtable_l{4,5}_enabled
riscv: mm: Always use an ASID to flush mm contexts
riscv: mm: Preserve global TLB entries when switching contexts
riscv: mm: Make asid_bits a local variable
riscv: mm: Use a fixed layout for the MM context ID
riscv: mm: Introduce cntx2asid/cntx2version helper macros
riscv: Avoid TLB flush loops when affected by SiFive CIP-1200
riscv: Apply SiFive CIP-1200 workaround to single-ASID sfence.vma
riscv: mm: Combine the SMP and UP TLB flush code
riscv: Only send remote fences when some other CPU is online
riscv: mm: Broadcast kernel TLB flushes only when needed
riscv: Use IPIs for remote cache/TLB flushes by default
riscv: Factor out page table TLB synchronization
riscv: Flush the instruction cache during SMP bringup
riscv: hwprobe: export Zihintpause ISA extension
riscv: misaligned: remove CONFIG_RISCV_M_MODE specific code
...
Pull LoongArch updates from Huacai Chen:
- Select some options in Kconfig
- Give a chance to build with !CONFIG_SMP
- Switch to use built-in rustc target
- Add new supported device nodes to dts
- Some bug fixes and other small changes
- Update the default config file
* tag 'loongarch-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Update Loongson-3 default config file
LoongArch: dts: Add new supported device nodes to Loongson-2K2000
LoongArch: dts: Add new supported device nodes to Loongson-2K0500
LoongArch: dts: Remove "disabled" state of clock controller node
LoongArch: rust: Switch to use built-in rustc target
LoongArch: Fix callchain parse error with kernel tracepoint events again
LoongArch: Give a chance to build with !CONFIG_SMP
LoongArch: Select THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE
LoongArch: Select ARCH_WANT_DEFAULT_BPF_JIT
LoongArch: Select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
LoongArch: Select ARCH_HAS_FAST_MULTIPLIER
Pull microblaze updates from Michal Simek:
- Cleanup code around removed early_printk
* tag 'microblaze-v6.10' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Remove early printk call from cpuinfo-static.c
microblaze: Remove gcc flag for non existing early_printk.c file
Pull overlayfs updates from Miklos Szeredi:
- Add tmpfile support
- Clean up include
* tag 'ovl-update-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: remove duplicate included header
ovl: remove upper umask handling from ovl_create_upper()
ovl: implement tmpfile
Pull fuse updates from Miklos Szeredi:
- Add fs-verity support (Richard Fung)
- Add multi-queue support to virtio-fs (Peter-Jan Gootzen)
- Fix a bug in NOTIFY_RESEND handling (Hou Tao)
- page -> folio cleanup (Matthew Wilcox)
* tag 'fuse-update-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
virtio-fs: add multi-queue support
virtio-fs: limit number of request queues
fuse: clear FR_SENT when re-adding requests into pending list
fuse: set FR_PENDING atomically in fuse_resend()
fuse: Add initial support for fs-verity
fuse: Convert fuse_readpages_end() to use folio_end_read()
Our applications, built on Elasticsearch[0], frequently create and
delete files. These applications operate within containers, some with a
memory limit exceeding 100GB. Over prolonged periods, the accumulation
of negative dentries within these containers can amount to tens of
gigabytes.
Upon container exit, directories are deleted. However, due to the
numerous associated dentries, this process can be time-consuming. Our
users have expressed frustration with this prolonged exit duration,
which constitutes our first issue.
Simultaneously, other processes may attempt to access the parent
directory of the Elasticsearch directories. Since the task responsible
for deleting the dentries holds the inode lock, processes attempting
directory lookup experience significant delays. This issue, our second
problem, is easily demonstrated:
- Task 1 generates negative dentries:
$ pwd
~/test
$ mkdir es && cd es/ && ./create_and_delete_files.sh
[ After generating tens of GB dentries ]
$ cd ~/test && rm -rf es
[ It will take a long duration to finish ]
- Task 2 attempts to lookup the 'test/' directory
$ pwd
~/test
$ ls
The 'ls' command in Task 2 experiences prolonged execution as Task 1
is deleting the dentries.
We've devised a solution to address both issues by deleting associated
dentry when removing a file. Interestingly, we've noted that a similar
patch was proposed years ago[1], although it was rejected citing the
absence of tangible issues caused by negative dentries. Given our
current challenges, we're resubmitting the proposal. All relevant
stakeholders from previous discussions have been included for reference.
Some alternative solutions are also under discussion[2][3], such as
shrinking child dentries outside of the parent inode lock or even
asynchronously shrinking child dentries. However, given the
straightforward nature of the current solution, I believe this approach
is still necessary.
[ NOTE! This is a pretty fundamental change in how we deal with
unlinking dentries, and it doesn't change the fact that you can have
lots of negative dentries from just doing negative lookups.
But the kernel test robot is at least initially happy with this from a
performance angle, so I'm applying this ASAP just to get more testing
and as a "known fix for an issue people hit in real life".
Put another way: we should still look at the alternatives, and this
patch may get reverted if somebody finds a performance regression on
some other load. - Linus ]
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Link: https://github.com/elastic/elasticsearch [0]
Link: https://patchwork.kernel.org/project/linux-fsdevel/patch/1502099673-31620-1-git-send-email-wangkai86@huawei.com [1]
Link: https://lore.kernel.org/linux-fsdevel/20240511200240.6354-2-torvalds@linux-foundation.org/ [2]
Link: https://lore.kernel.org/linux-fsdevel/CAHk-=wjEMf8Du4UFzxuToGDnF3yLaMcrYeyNAaH1NJWa6fwcNQ@mail.gmail.com/ [3]
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Waiman Long <longman@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Wangkai <wangkai86@huawei.com>
Cc: Colin Walters <walters@verbum.org>
Tested-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/all/202405221518.ecea2810-oliver.sang@intel.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull perf tools updates from Arnaldo Carvalho de Melo:
"General:
- Integrate the shellcheck utility with the build of perf to allow
catching shell problems early in areas such as 'perf test', 'perf
trace' scrape scripts, etc
- Add 'uretprobe' variant in the 'perf bench uprobe' tool
- Add script to run instances of 'perf script' in parallel
- Allow parsing tracepoint names that start with digits, such as
9p/9p_client_req, etc. Make sure 'perf test' tests it even on
systems where those tracepoints aren't available
- Add Kan Liang to MAINTAINERS as a perf tools reviewer
- Add support for using the 'capstone' disassembler library in
various tools, such as 'perf script' and 'perf annotate'. This is
an alternative for the use of the 'xed' and 'objdump' disassemblers
Data-type profiling improvements:
- Resolve types for a->b->c by backtracking the assignments until it
finds DWARF info for one of those members
- Support for global variables, keeping a cache to speed up lookups
- Handle the 'call' instruction, dealing with effects on registers
and handling its return when tracking register data types
- Handle x86's segment based addressing like %gs:0x28, to support
things like per CPU variables, the stack canary, etc
- Data-type profiling got big speedups when using capstone for
disassembling. The objdump outoput parsing method is left as a
fallback when capstone fails or isn't available. There are patches
posted for 6.11 that to use a LLVM disassembler
- Support event group display in the TUI when annotating types with
--data-type, for instance to show memory load and store events for
the data type fields
- Optimize the 'perf annotate' data structures, reducing memory usage
- Add a initial 'perf test' for 'perf annotate', checking that a
target symbol appears on the output, specifying objdump via the
command line, etc
Vendor Events:
- Update Intel JSON files for Cascade Lake X, Emerald Rapids, Grand
Ridge, Ice Lake X, Lunar Lake, Meteor Lake, Sapphire Rapids, Sierra
Forest, Sky Lake X, Sky Lake and Snow Ridge X. Remove info metrics
erroneously in TopdownL1
- Add AMD's Zen 5 core and uncore events and metrics. Those come from
the "Performance Monitor Counters for AMD Family 1Ah Model 00h- 0Fh
Processors" document, with events that capture information on op
dispatch, execution and retirement, branch prediction, L1 and L2
cache activity, TLB activity, etc
- Mark L1D_CACHE_INVAL impacted by errata for ARM64's AmpereOne/
AmpereOneX
Miscellaneous:
- Sync header copies with the kernel sources
- Move some header copies used only for generating translation string
tables for ioctl cmds and other syscall integer arguments to a new
directory under tools/perf/beauty/, to separate from copies in
tools/include/ that are used to build the tools
- Introduce scrape script for several syscall 'flags'/'mask'
arguments
- Improve cpumap utilization, fixing up pairing of refcounts, using
the right iterators (perf_cpu_map__for_each_cpu), etc
- Give more details about raw event encodings in 'perf list', show
tracepoint encoding in the detailed output
- Refactor the DSOs handling code, reducing memory usage
- Document the BPF event modifier and add a 'perf test' for it
- Improve the event parser, better error messages and add further
'perf test's for it
- Add reference count checking to 'struct comm_str' and 'struct
mem_info'
- Make ARM64's 'perf test' entries for the Neoverse N1 more robust
- Tweak the ARM64's Coresight 'perf test's
- Improve ARM64's CoreSight ETM version detection and error reporting
- Fix handling of symbols when using kcore
- Fix PAI (Processor Activity Instrumentation) counter names for s390
virtual machines in 'perf report'
- Fix -g/--call-graph option failure in 'perf sched timehist'
- Add LIBTRACEEVENT_DIR build option to allow building with
libtraceevent installed in non-standard directories, such as when
doing cross builds
- Various 'perf test' and 'perf bench' fixes
- Improve 'perf probe' error message for long C++ probe names"
* tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (260 commits)
tools lib subcmd: Show parent options in help
perf pmu: Count sys and cpuid JSON events separately
perf stat: Don't display metric header for non-leader uncore events
perf annotate-data: Ensure the number of type histograms
perf annotate: Fix segfault on sample histogram
perf daemon: Fix file leak in daemon_session__control
libsubcmd: Fix parse-options memory leak
perf lock: Avoid memory leaks from strdup()
perf sched: Rename 'switches' column header to 'count' and add usage description, options for latency
perf tools: Ignore deleted cgroups
perf parse: Allow tracepoint names to start with digits
perf parse-events: Add new 'fake_tp' parameter for tests
perf parse-events: pass parse_state to add_tracepoint
perf symbols: Fix ownership of string in dso__load_vmlinux()
perf symbols: Update kcore map before merging in remaining symbols
perf maps: Re-use __maps__free_maps_by_name()
perf symbols: Remove map from list before updating addresses
perf tracepoint: Don't scan all tracepoints to test if one exists
perf dwarf-aux: Fix build with HAVE_DWARF_CFI_SUPPORT
perf thread: Fixes to thread__new() related to initializing comm
...
Pull bitmap updates from Yury Norov:
- topology_span_sane() optimization from Kyle Meyer
- fns() rework from Kuan-Wei Chiu (used in cpumask_local_spread() and
other places)
- headers cleanup from Andy
- add a MAINTAINERS record for bitops API
* tag 'bitmap-for-6.10v2' of https://github.com/norov/linux:
usercopy: Don't use "proxy" headers
bitops: Move aligned_byte_mask() to wordpart.h
MAINTAINERS: add BITOPS API record
bitmap: relax find_nth_bit() limitation on return value
lib: make test_bitops compilable into the kernel image
bitops: Optimize fns() for improved performance
lib/test_bitops: Add benchmark test for fns()
Compiler Attributes: Add __always_used macro
sched/topology: Optimize topology_span_sane()
cpumask: Add for_each_cpu_from()
Pull misc vfs updates from Al Viro:
"Assorted commits that had missed the last merge window..."
* tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
remove call_{read,write}_iter() functions
do_dentry_open(): kill inode argument
kernel_file_open(): get rid of inode argument
get_file_rcu(): no need to check for NULL separately
fd_is_open(): move to fs/file.c
close_on_exec(): pass files_struct instead of fdtable
Pull bdev flags update from Al Viro:
"Compactifying bdev flags.
We can easily have up to 24 flags with sane atomicity, _without_
pushing anything out of the first cacheline of struct block_device"
* tag 'pull-bd_flags-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
bdev: move ->bd_make_it_fail to ->__bd_flags
bdev: move ->bd_ro_warned to ->__bd_flags
bdev: move ->bd_has_subit_bio to ->__bd_flags
bdev: move ->bd_write_holder into ->__bd_flags
bdev: move ->bd_read_only to ->__bd_flags
bdev: infrastructure for flags
wrapper for access to ->bd_partno
Use bdev_is_paritition() instead of open-coding it
Pull more s390 updates from Alexander Gordeev:
- Switch read and write software bits for PUDs
- Add missing hardware bits for PUDs and PMDs
- Generate unwind information for C modules to fix GDB unwind error for
vDSO functions
- Create .build-id links for unstripped vDSO files to enable vDSO
debugging with symbols
- Use standard stack frame layout for vDSO generated stack frames to
manually walk stack frames without DWARF information
- Rework perf_callchain_user() and arch_stack_walk_user() functions to
reduce code duplication
- Skip first stack frame when walking user stack
- Add basic checks to identify invalid instruction pointers when
walking stack frames
- Introduce and use struct stack_frame_vdso_wrapper within vDSO user
wrapper code to automatically generate an asm-offset define. Also use
STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to document
that the code works with user space stack
- Clear the backchain of the extra stack frame added by the vDSO user
wrapper code. This allows the user stack walker to detect and skip
the non-standard stack frame. Without this an incorrect instruction
pointer would be added to stack traces.
- Rewrite psw_idle() function in C to ease maintenance and further
enhancements
- Remove get_vtimer() function and use get_cpu_timer() instead
- Mark psw variable in __load_psw_mask() as __unitialized to avoid
superfluous clearing of PSW
- Remove obsolete and superfluous comment about removed TIF_FPU flag
- Replace memzero_explicit() and kfree() with kfree_sensitive() to fix
warnings reported by Coccinelle
- Wipe sensitive data and all copies of protected- or secure-keys from
stack when an IOCTL fails
- Both do_airq_interrupt() and do_io_interrupt() functions set
CIF_NOHZ_DELAY flag. Move it in do_io_irq() to simplify the code
- Provide iucv_alloc_device() and iucv_release_device() helpers, which
can be used to deduplicate more or less identical IUCV device
allocation and release code in four different drivers
- Make use of iucv_alloc_device() and iucv_release_device() helpers to
get rid of quite some code and also remove a cast to an incompatible
function (clang W=1)
- There is no user of iucv_root outside of the core IUCV code left.
Therefore remove the EXPORT_SYMBOL
- __apply_alternatives() contains a runtime check which verifies that
the size of the to be patched code area is even. Convert this to a
compile time check
- Increase size of buffers for sending z/VM CP DIAGNOSE X'008' commands
from 128 to 240
- Do not accept z/VM CP DIAGNOSE X'008' commands longer than maximally
allowed
- Use correct defines IPL_BP_NVME_LEN and IPL_BP0_NVME_LEN instead of
IPL_BP_FCP_LEN and IPL_BP0_FCP_LEN ones to initialize NVMe reIPL
block on 'scp_data' sysfs attribute update
- Initialize the correct fields of the NVMe dump block, which were
confused with FCP fields
- Refactor macros for 'scp_data' (re-)IPL sysfs attribute to reduce
code duplication
- Introduce 'scp_data' sysfs attribute for dump IPL to allow tools such
as dumpconf passing additional kernel command line parameters to a
stand-alone dumper
- Rework the CPACF query functions to use the correct RRE or RRF
instruction formats and set instruction register fields correctly
- Instead of calling BUG() at runtime force a link error during compile
when a unsupported opcode is used with __cpacf_query() or
__cpacf_check_opcode() functions
- Fix a crash in ap_parse_bitmap_str() function on /sys/bus/ap/apmask
or /sys/bus/ap/aqmask sysfs file update with a relative mask value
- Fix "bindings complete" udev event which should be sent once all AP
devices have been bound to device drivers and again when unbind/bind
actions take place and all AP devices are bound again
- Facility list alt_stfle_fac_list is nowhere used in the decompressor,
therefore remove it there
- Remove custom kprobes insn slot allocator in favour of the standard
module_alloc() one, since kernel image and module areas are located
within 4GB
- Use kvcalloc() instead of kvmalloc_array() in zcrypt driver to avoid
calling memset() with a large byte count and get rid of the sparse
warning as result
* tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (39 commits)
s390/zcrypt: Use kvcalloc() instead of kvmalloc_array()
s390/kprobes: Remove custom insn slot allocator
s390/boot: Remove alt_stfle_fac_list from decompressor
s390/ap: Fix bind complete udev event sent after each AP bus scan
s390/ap: Fix crash in AP internal function modify_bitmap()
s390/cpacf: Make use of invalid opcode produce a link error
s390/cpacf: Split and rework cpacf query functions
s390/ipl: Introduce sysfs attribute 'scp_data' for dump ipl
s390/ipl: Introduce macros for (re)ipl sysfs attribute 'scp_data'
s390/ipl: Fix incorrect initialization of nvme dump block
s390/ipl: Fix incorrect initialization of len fields in nvme reipl block
s390/ipl: Do not accept z/VM CP diag X'008' cmds longer than max length
s390/ipl: Fix size of vmcmd buffers for sending z/VM CP diag X'008' cmds
s390/alternatives: Convert runtime sanity check into compile time check
s390/iucv: Unexport iucv_root
tty: hvc-iucv: Make use of iucv_alloc_device()
s390/smsgiucv_app: Make use of iucv_alloc_device()
s390/netiucv: Make use of iucv_alloc_device()
s390/vmlogrdr: Make use of iucv_alloc_device()
s390/iucv: Provide iucv_alloc_device() / iucv_release_device()
...
Pull m68knommu update from Greg Ungerer:
. remove use of kernel config option from uapi header
* tag 'm68knommu-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: Avoid CONFIG_COLDFIRE switch in uapi header
Pull EFI fix from Ard Biesheuvel:
- Followup fix for the EFI boot sequence refactor, which may result in
physical KASLR putting the kernel in a region which is being used for
a special purpose via a command line argument.
* tag 'efi-fixes-for-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/efistub: Omit physical KASLR when memory reservations exist
Pull device mapper fixes from Mike Snitzer:
- Fix DM discard regressions due to DM core switching over to using
queue_limits_set() without DM core and targets first being updated to
set (and stack) discard limits in terms of max_hw_discard_sectors and
not max_discard_sectors
- Fix stable@ DM integrity discard support to set device's
discard_granularity limit to the device's logical block size
* tag 'for-6.10/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: always manage discard support in terms of max_hw_discard_sectors
dm-integrity: set discard_granularity to logical block size
Pull power management fixes from Rafael Wysocki:
"These fix the amd-pstate driver and the operating performance point
(OPP) handling related to generic PM domains.
Specifics:
- Fix a memory leak in the exit path of amd-pstate (Peng Ma)
- Fix required_opp_tables handling in the cases when multiple generic
PM domains share one OPP table (Viresh Kumar)"
* tag 'pm-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
OPP: Fix required_opp_tables for multiple genpds using same table
cpufreq: amd-pstate: fix memory leak on CPU EPP exit
Pull ACPI fixes from Rafael Wysocki:
"These make the ACPI EC driver always install the EC address space
handler at the root of the ACPI namespace which causes it to take care
of all EC operation regions everywhere.
This means that the custom EC address space handler in the WMI driver
is not needed any more and accordingly it gets removed altogether"
* tag 'acpi-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
platform/x86: wmi: Remove custom EC address space handler
ACPI: EC: Install address space handler at the namespace root
Pull thermal control fixes from Rafael Wysocki:
"These fix the MediaTek lvts_thermal driver and the handling of trip
points that start as invalid and are adjusted later by user space via
sysfs.
Specifics:
- Fix and clean up the MediaTek lvts_thermal driver (Julien Panis)
- Prevent invalid trip point handling from triggering spurious trip
point crossing events and allow passive polling to stop when a
passive trip point involved in it becomes invalid (Rafael Wysocki)"
* tag 'thermal-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Fix the handling of invalid trip points
thermal/drivers/mediatek/lvts_thermal: Fix wrong lvts_ctrl index
thermal/drivers/mediatek/lvts_thermal: Remove unused members from struct lvts_ctrl_data
thermal/drivers/mediatek/lvts_thermal: Check NULL ptr on lvts_data
Pull intel-gpio fixes from Andy Shevchenko:
- NULL pointer dereference fix in GPIO APCI library
- Restore ACPI handle matching for GPIO devices represented in banks
* tag 'intel-gpio-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel:
gpiolib: acpi: Fix failed in acpi_gpiochip_find() by adding parent node match
gpiolib: acpi: Move ACPI device NULL check to acpi_can_fallback_to_crs()
Pull soundwire updates from Vinod Koul:
- cleanup and conversion for soundwire sysfs groups
- intel support for ace2x bits, auxdevice pm improvements
- qcom multi link device support
* tag 'soundwire-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (33 commits)
soundwire: intel_ace2.x: add support for DOAISE property
soundwire: intel_ace2.x: add support for DODSE property
soundwire: intel_ace2x: use DOAIS and DODS settings from firmware
soundwire: intel_ace2x: cleanup DOAIS/DODS settings
soundwire: intel_ace2x: simplify check_wake()
soundwire: intel_ace2x: fix wakeup handling
soundwire: intel_init: resume all devices on exit.
soundwire: intel: export intel_resume_child_device
soundwire: intel_auxdevice: use pm_runtime_resume() instead of pm_request_resume()
ASoC: SOF: Intel: hda: disable SoundWire interrupt later
soundwire: qcom: allow multi-link on newer devices
soundwire: intel_ace2x: use legacy formula for intel_alh_id
soundwire: reconcile dp0_prop and dpn_prop
soundwire: intel_ace2x: set the clock source
soundwire: intel_ace2.x: power-up first before setting SYNCPRD
soundwire: intel_ace2x: move and extend clock selection
soundwire: intel: add support for MeteorLake additional clocks
soundwire: intel: add more values for SYNCPRD
soundwire: bus: extend base clock checks to 96 MHz
soundwire: cadence: show the bus frequency and frame shape
...
Pull remoteproc updates from Bjorn Andersson:
"This makes the remoteproc core rproc_class const.
DeviceTree bindings for a few different Qualcomm remoteprocs are
updated to remove a range of validation warnings/errors. The Qualcomm
SMD binding marks qcom,ipc deprecated, in favor or the mailbox
interface.
The TI K3 R5 remoteproc driver is updated to ensure that cores are
powered up in the appropriate order. The driver also see a couple of
fixes related to cleanups in error paths during probe.
The Mediatek remoteproc driver is extended to support the MT8188 SCP
core 1. Support for varying DRAM and IPI shared buffer sizes are
introduced. This together with a couple of bug fixes and improvements
to the driver.
Support for the AMD-Xilinx Versal and Versal-NET platforms are added.
Coredump support and support for parsing TCM information from
DeviceTree is added to the Xilinx R5F remoteproc driver"
* tag 'rproc-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (22 commits)
dt-bindings: remoteproc: qcom,sdm845-adsp-pil: Fix qcom,halt-regs definition
dt-bindings: remoteproc: qcom,sc7280-wpss-pil: Fix qcom,halt-regs definition
dt-bindings: remoteproc: qcom,qcs404-cdsp-pil: Fix qcom,halt-regs definition
dt-bindings: remoteproc: qcom,msm8996-mss-pil: allow glink-edge on msm8996
dt-bindings: remoteproc: qcom,smd-edge: Mark qcom,ipc as deprecated
remoteproc: k3-r5: Jump to error handling labels in start/stop errors
remoteproc: mediatek: Fix error code in scp_rproc_init()
remoteproc: k3-r5: Do not allow core1 to power up before core0 via sysfs
remoteproc: k3-r5: Wait for core0 power-up before powering up core1
remoteproc: mediatek: Add IMGSYS IPI command
remoteproc: mediatek: Support setting DRAM and IPI shared buffer sizes
remoteproc: mediatek: Support MT8188 SCP core 1
dt-bindings: remoteproc: mediatek: Support MT8188 dual-core SCP
drivers: remoteproc: xlnx: Fix uninitialized tcm mode
drivers: remoteproc: xlnx: Fix uninitialized variable use
drivers: remoteproc: xlnx: Add Versal and Versal-NET support
remoteproc: zynqmp: parse TCM from device tree
dt-bindings: remoteproc: Add Tightly Coupled Memory (TCM) bindings
remoteproc: zynqmp: fix lockstep mode memory region
remoteproc: zynqmp: Add coredump support
...
Pull rpmsg updates from Bjorn Andersson:
"This makes core rpmsg_class const and ensures that the automatic
module loading of the Qualcomm glink_ssr driver happens"
* tag 'rpmsg-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: qcom_glink_ssr: fix module autoloading
rpmsg: core: Make rpmsg_class constant
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Skip E820 checks for MCFG ECAM regions for new (2016+) machines,
since there's no requirement to describe them in E820 and some
platforms require ECAM to work (Bjorn Helgaas)
- Rename PCI_IRQ_LEGACY to PCI_IRQ_INTX to be more specific (Damien
Le Moal)
- Remove last user and pci_enable_device_io() (Heiner Kallweit)
- Wait for Link Training==0 to avoid possible race (Ilpo Järvinen)
- Skip waiting for devices that have been disconnected while
suspended (Ilpo Järvinen)
- Clear Secondary Status errors after enumeration since Master Aborts
and Unsupported Request errors are an expected part of enumeration
(Vidya Sagar)
MSI:
- Remove unused IMS (Interrupt Message Store) support (Bjorn Helgaas)
Error handling:
- Mask Genesys GL975x SD host controller Replay Timer Timeout
correctable errors caused by a hardware defect; the errors cause
interrupts that prevent system suspend (Kai-Heng Feng)
- Fix EDR-related _DSM support, which previously evaluated revision 5
but assumed revision 6 behavior (Kuppuswamy Sathyanarayanan)
ASPM:
- Simplify link state definitions and mask calculation (Ilpo
Järvinen)
Power management:
- Avoid D3cold for HP Pavilion 17 PC/1972 PCIe Ports, where BIOS
apparently doesn't know how to put them back in D0 (Mario
Limonciello)
CXL:
- Support resetting CXL devices; special handling required because
CXL Ports mask Secondary Bus Reset by default (Dave Jiang)
DOE:
- Support DOE Discovery Version 2 (Alexey Kardashevskiy)
Endpoint framework:
- Set endpoint BAR to be 64-bit if the driver says that's all the
device supports, in addition to doing so if the size is >2GB
(Niklas Cassel)
- Simplify endpoint BAR allocation and setting interfaces (Niklas
Cassel)
Cadence PCIe controller driver:
- Drop DT binding redundant msi-parent and pci-bus.yaml (Krzysztof
Kozlowski)
Cadence PCIe endpoint driver:
- Configure endpoint BARs to be 64-bit based on the BAR type, not the
BAR value (Niklas Cassel)
Freescale Layerscape PCIe controller driver:
- Convert DT binding to YAML (Frank Li)
MediaTek MT7621 PCIe controller driver:
- Add DT binding missing 'reg' property for child Root Ports
(Krzysztof Kozlowski)
- Fix theoretical string truncation in PHY name (Sergio Paracuellos)
NVIDIA Tegra194 PCIe controller driver:
- Return success for endpoint probe instead of falling through to the
failure path (Vidya Sagar)
Renesas R-Car PCIe controller driver:
- Add DT binding missing IOMMU properties (Geert Uytterhoeven)
- Add DT binding R-Car V4H compatible for host and endpoint mode
(Yoshihiro Shimoda)
Rockchip PCIe controller driver:
- Configure endpoint BARs to be 64-bit based on the BAR type, not the
BAR value (Niklas Cassel)
- Add DT binding missing maxItems to ep-gpios (Krzysztof Kozlowski)
- Set the Subsystem Vendor ID, which was previously zero because it
was masked incorrectly (Rick Wertenbroek)
Synopsys DesignWare PCIe controller driver:
- Restructure DBI register access to accommodate devices where this
requires Refclk to be active (Manivannan Sadhasivam)
- Remove the deinit() callback, which was only need by the
pcie-rcar-gen4, and do it directly in that driver (Manivannan
Sadhasivam)
- Add dw_pcie_ep_cleanup() so drivers that support PERST# can clean
up things like eDMA (Manivannan Sadhasivam)
- Rename dw_pcie_ep_exit() to dw_pcie_ep_deinit() to make it parallel
to dw_pcie_ep_init() (Manivannan Sadhasivam)
- Rename dw_pcie_ep_init_complete() to dw_pcie_ep_init_registers() to
reflect the actual functionality (Manivannan Sadhasivam)
- Call dw_pcie_ep_init_registers() directly from all the glue
drivers, not just those that require active Refclk from the host
(Manivannan Sadhasivam)
- Remove the "core_init_notifier" flag, which was an obscure way for
glue drivers to indicate that they depend on Refclk from the host
(Manivannan Sadhasivam)
TI J721E PCIe driver:
- Add DT binding J784S4 SoC Device ID (Siddharth Vadapalli)
- Add DT binding J722S SoC support (Siddharth Vadapalli)
TI Keystone PCIe controller driver:
- Add DT binding missing num-viewport, phys and phy-name properties
(Jan Kiszka)
Miscellaneous:
- Constify and annotate with __ro_after_init (Heiner Kallweit)
- Convert DT bindings to YAML (Krzysztof Kozlowski)
- Check for kcalloc() failure in of_pci_prop_intr_map() (Duoming
Zhou)"
* tag 'pci-v6.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (97 commits)
PCI: Do not wait for disconnected devices when resuming
x86/pci: Skip early E820 check for ECAM region
PCI: Remove unused pci_enable_device_io()
ata: pata_cs5520: Remove unnecessary call to pci_enable_device_io()
PCI: Update pci_find_capability() stub return types
PCI: Remove PCI_IRQ_LEGACY
scsi: vmw_pvscsi: Do not use PCI_IRQ_LEGACY instead of PCI_IRQ_LEGACY
scsi: pmcraid: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: mpt3sas: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: megaraid_sas: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: ipr: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: hpsa: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: arcmsr: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
wifi: rtw89: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
dt-bindings: PCI: rockchip,rk3399-pcie: Add missing maxItems to ep-gpios
Revert "genirq/msi: Provide constants for PCI/IMS support"
Revert "x86/apic/msi: Enable PCI/IMS"
Revert "iommu/vt-d: Enable PCI/IMS"
Revert "iommu/amd: Enable PCI/IMS"
Revert "PCI/MSI: Provide IMS (Interrupt Message Store) support"
...
Pull trusted keys fixes from Jarkko Sakkinen:
"These are two bugs I found from trusted keys while working on a new
RSA key type for TPM2. Both originate form v5.13.
The memory leak is more crucial but I don't think it is either good
idea if kernel throws WARN when ASN.1 parser fails, even if it is
related to programming error, as it is not that mature code yet.
There's at least two WARN's in that code but I picked just the one
more likely to trigger. Planning to fix the other one too over time"
* tag 'keys-trusted-next-6.10-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
KEYS: trusted: Do not use WARN when encode fails
KEYS: trusted: Fix memory leak in tpm2_key_encode()
