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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These mostly are updates of cpufreq drivers used on ARM platforms plus
one new DT-based cpufreq driver for virtualized guests and two cpuidle
changes that should not make any difference on systems currently in
the field, but will be needed for future development:
- Add virtual cpufreq driver for guest kernels (David Dai)
- Minor cleanup to various cpufreq drivers (Andy Shevchenko, Dhruva
Gole, Jie Zhan, Jinjie Ruan, Shuosheng Huang, Sibi Sankar, and Yuan
Can)
- Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check"
(Colin Ian King)
- Improve DT bindings for qcom-hw driver (Dmitry Baryshkov, Konrad
Dybcio, and Nikunj Kela)
- Make cpuidle_play_dead() try all idle states with :enter_dead()
callbacks and change their return type to void (Rafael Wysocki)"
* tag 'pm-6.13-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits)
cpuidle: Change :enter_dead() driver callback return type to void
cpuidle: Do not return from cpuidle_play_dead() on callback failures
arm64: dts: qcom: sc8180x: Add a SoC-specific compatible to cpufreq-hw
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SC8180X compatible
cpufreq: sun50i: add a100 cpufreq support
cpufreq: mediatek-hw: Fix wrong return value in mtk_cpufreq_get_cpu_power()
cpufreq: CPPC: Fix wrong return value in cppc_get_cpu_power()
cpufreq: CPPC: Fix wrong return value in cppc_get_cpu_cost()
cpufreq: loongson3: Check for error code from devm_mutex_init() call
cpufreq: scmi: Fix cleanup path when boost enablement fails
cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()
cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()
Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check"
dt-bindings: cpufreq: cpufreq-qcom-hw: Add SAR2130P compatible
cpufreq: add virtual-cpufreq driver
dt-bindings: cpufreq: add virtual cpufreq device
cpufreq: loongson2: Unregister platform_driver on failure
cpufreq: ti-cpufreq: Remove revision offsets in AM62 family
cpufreq: ti-cpufreq: Allow backward compatibility for efuse syscon
cppc_cpufreq: Remove HiSilicon CPPC workaround
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD device changes:
- switch platform_driver back to remove()
- misc fixes
SPI-NAND changes:
- a load of fixes to Winbond manufacturer driver
- structure constification
Raw NAND changes:
- improve the power management of the GPMI driver
- Davinci driver clean-ups
- fix leak in the Atmel driver
- fix some typos in the core
SPI NOR changes:
- Introduce byte swap support for 8D-8D-8D mode and a user for it:
macronix.
SPI NOR flashes may swap the bytes on a 16-bit boundary when
configured in Octal DTR mode. For such cases the byte order is
propagated through SPI MEM to the SPI controllers so that the
controllers swap the bytes back at runtime. This avoids breaking
the boot sequence because of the endianness problems that appear
when the bootloaders use 1-1-1 and the kernel uses 8D-8D-8D with
byte swap support. Along with the SPI MEM byte swap support we
queue a patch for the SPI MXIC controller that swaps the bytes back
at runtime"
* tag 'mtd/for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (25 commits)
mtd: spi-nor: core: replace dummy buswidth from addr to data
mtd: spi-nor: winbond: add "w/ and w/o SFDP" comment
mtd: spi-nor: spansion: Use nor->addr_nbytes in octal DTR mode in RD_ANY_REG_OP
mtd: Switch back to struct platform_driver::remove()
mtd: cfi_cmdset_0002: remove redundant assignment to variable ret
mtd: spinand: Constify struct nand_ecc_engine_ops
MAINTAINERS: add mailing list for GPMI NAND driver
mtd: spinand: winbond: Sort the devices
mtd: spinand: winbond: Ignore the last ID characters
mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information
mtd: spinand: winbond: Fix 512GW and 02JW OOB layout
mtd: nand: raw: gpmi: improve power management handling
mtd: nand: raw: gpmi: switch to SYSTEM_SLEEP_PM_OPS
mtd: rawnand: davinci: use generic device property helpers
mtd: rawnand: davinci: break the line correctly
mtd: rawnand: davinci: order headers alphabetically
mtd: rawnand: atmel: Fix possible memory leak
mtd: rawnand: Correct multiple typos in comments
mtd: hyperbus: rpc-if: Add missing MODULE_DEVICE_TABLE
mtd: spi-nor: add support for Macronix Octal flash
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The core framework gained a clk provider helper, a clk consumer
helper, and some unit tests for the assigned clk rates feature in
DeviceTree. On the vendor driver side, we gained a whole pile of SoC
driver support detailed below. The majority in the diffstat is
Qualcomm, but there's also quite a few Samsung and Mediatek clk driver
additions in here as well. The top vendors is quite common, but the
sheer amount of new drivers is uncommon, so I'm anticipating a larger
number of fixes for clk drivers this cycle.
Core:
- devm_clk_bulk_get_all_enabled() to return number of clks acquired
- devm_clk_hw_register_gate_parent_hw() helper to modernize drivers
- KUnit tests for clk-assigned-rates{,-u64}
New Drivers:
- Marvell PXA1908 SoC clks
- Mobileye EyeQ5, EyeQ6L and EyeQ6H clk driver
- TWL6030 clk driver
- Nuvoton Arbel BMC NPCM8XX SoC clks
- MediaTek MT6735 SoC clks
- MediaTek MT7620, MT7628 and MT7688 MMC clks
- Add a driver for gated fixed rate clocks
- Global clock controllers for Qualcomm QCS8300 and IPQ5424 SoCs
- Camera, display and video clock controllers for Qualcomm SA8775P
SoCs
- Global, display, GPU, TCSR, and RPMh clock controllers for Qualcomm
SAR2130P
- Global, camera, display, GPU, and video clock controllers for
Qualcomm SM8475 SoCs
- RTC power domain and Battery Backup Function (VBATTB) clock support
for the Renesas RZ/G3S SoC
- Qualcomm IPQ9574 alpha PLLs
- Support for i.MX91 CCM in the i.MX93 driver
- Microchip LAN969X SoC clks
- Cortex-A55 core clocks and Interrupt Control Unit (ICU) clock and
reset on Renesas RZ/V2H(P)
- Samsung ExynosAutov920 clk drivers for PERIC1, MISC, HSI0 and HSI1
- Samsung Exynos8895 clk drivers for FSYS0/1, PERIC0/1, PERIS and TOP
Updates:
- Convert more clk bindings to YAML
- Various clk driver cleanups: NULL checks, add const, etc.
- Remove END/NUM #defines that count number of clks in various
binding headers
- Continue moving reset drivers to drivers/reset via auxiliary bus"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (162 commits)
clk: clk-loongson2: Fix potential buffer overflow in flexible-array member access
clk: Fix invalid execution of clk_set_rate
clk: clk-loongson2: Fix memory corruption bug in struct loongson2_clk_provider
clk: lan966x: make it selectable for ARCH_LAN969X
clk: eyeq: add EyeQ6H west fixed factor clocks
clk: eyeq: add EyeQ6H central fixed factor clocks
clk: eyeq: add EyeQ5 fixed factor clocks
clk: eyeq: add fixed factor clocks infrastructure
clk: eyeq: require clock index with phandle in all cases
clk: fixed-factor: add clk_hw_register_fixed_factor_index() function
dt-bindings: clock: eyeq: add more Mobileye EyeQ5/EyeQ6H clocks
dt-bindings: soc: mobileye: set `#clock-cells = <1>` for all compatibles
clk: clk-axi-clkgen: make sure to enable the AXI bus clock
dt-bindings: clock: axi-clkgen: include AXI clk
clk: mmp: Add Marvell PXA1908 MPMU driver
clk: mmp: Add Marvell PXA1908 APMU driver
clk: mmp: Add Marvell PXA1908 APBCP driver
clk: mmp: Add Marvell PXA1908 APBC driver
dt-bindings: clock: Add Marvell PXA1908 clock bindings
clk: mmp: Switch to use struct u32_fract instead of custom one
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
- Improve handling of LCD power states and interactions with the fbdev
subsystem
- Introduce new LCD_POWER_ constants to decouple the LCD subsystem from
fbdev
- Update several drivers to use the new LCD_POWER_ constants
- Clarify the semantics of the lcd_ops.controls_device callback
- Remove unnecessary includes and dependencies
- Remove unused notifier functionality
- Simplify code with scoped for-each loops
- Fix module autoloading for the ktz8866 driver
- Update device tree bindings to yaml format
- Minor cleanups and improvements in various drivers
* tag 'backlight-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (33 commits)
MAINTAINERS: Use Daniel Thompson's korg address for Backlight work
dt-bindings: backlight: Convert zii,rave-sp-backlight.txt to yaml
backlight: Remove notifier
backlight: ktz8866: Fix module autoloading
backlight: 88pm860x_bl: Simplify with scoped for each OF child loop
backlight: lcd: Do not include <linux/fb.h> in lcd header
backlight: lcd: Remove struct fb_videomode from set_mode callback
backlight: lcd: Replace check_fb with controls_device
HID: picoLCD: Replace check_fb in favor of struct fb_info.lcd_dev
fbdev: omap: Use lcd power constants
fbdev: imxfb: Use lcd power constants
fbdev: imxfb: Replace check_fb in favor of struct fb_info.lcd_dev
fbdev: clps711x-fb: Use lcd power constants
fbdev: clps711x-fb: Replace check_fb in favor of struct fb_info.lcd_dev
backlight: tdo24m: Use lcd power constants
backlight: platform_lcd: Use lcd power constants
backlight: platform_lcd: Remove match_fb from struct plat_lcd_data
backlight: platform_lcd: Remove include statement for <linux/backlight.h>
backlight: otm3225a: Use lcd power constants
backlight: ltv350qv: Use lcd power constants
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
PULL LED updates from Lee Jones:
- Remove unused local header files from various drivers
- Revert platform driver removal to the original method for consistency
- Introduce ordered workqueues for LED events, replacing the less
efficient system_wq
- Switch to a safer iteration macro in several drivers to prevent
potential memory leaks
- Fix a refcounting bug in the mt6360 flash LED driver
- Fix an uninitialized variable in the mt6370_mc_pattern_clear()
function
- Resolve Smatch warnings in the leds-bcm6328 driver
- Address a potential NULL pointer dereference in the brightness_show()
function
- Fix an incorrect format specifier in the ss4200 driver
- Prevent a resource leak in the max5970 driver's probe function
- Add support for specifying the number of serial shift bits in the
device tree for the BCM63138 family
- Implement multicolor brightness control in the lp5562 driver
- Add a device tree property to override the default LED pin polarity
- Add a property to specify the default brightness value when the LED
is initially on
- Set missing timing properties for the ktd2692 driver
- Document the "rc-feedback" trigger for controlling LEDs based on
remote control activity
- Convert text bindings to YAML for the pca955x driver to enable device
tree validation
- Remove redundant checks for invalid channel numbers in the lp55xx
driver
- Update the MAINTAINERS file with current contact information
* tag 'leds-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (46 commits)
leds: ss4200: Fix the wrong format specifier for 'blinking'
leds: pwm: Add optional DT property default-brightness
dt-bindings: leds: pwm: Add default-brightness property
leds: class: Protect brightness_show() with led_cdev->led_access mutex
leds: ktd2692: Set missing timing properties
leds: max5970: Fix unreleased fwnode_handle in probe function
leds: Introduce ordered workqueue for LEDs events instead of system_wq
MAINTAINERS: Replace Siemens IPC related bouncing maintainers
leds: bcm6328: Replace divide condition with comparison for shift value
leds: lp55xx: Remove redundant test for invalid channel number
dt-bindings: leds: pca955x: Convert text bindings to YAML
leds: rgb: leds-mt6370-rgb: Fix uninitialized variable 'ret' in mt6370_mc_pattern_clear
leds: lp5562: Add multicolor brightness control
dt-bindings: leds: Add 'active-high' property
leds: Switch back to struct platform_driver::remove()
leds: bcm63138: Add some register defines
leds: bcm63138: Handle shift register config
leds: bcm63138: Use scopes and guards
dt-bindings: leds: bcm63138: Add shift register bits
leds: leds-gpio-register: Reorganize kerneldoc parameter names
...
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
- Several drivers, including atmel-flexcom/rk8xx-core, palmas, and
tps65010, have undergone minor code improvements to enhance
consistency and fix race conditions.
- The syscon driver now utilizes the regmap max_register_is_0
capability for consistent register map configuration across syscons
of all sizes.
- New device support has been added for QCS8300, qcs615, SA8255p, and
samsung,s2dos05, expanding the range of compatible hardware.
- The cros_ec driver now supports loading cros_ec_ucsi on supported ECs
and avoids loading the charger with UCSI, streamlining functionality.
- The bd96801 driver now utilizes the more modern maple tree register
cache, improving performance.
- The da9052-spi driver has undergone a fix to change the read-mask to
write-mask, preventing potential issues.
- Unused declarations in max77693 have been removed, and support for
samsung,s2dos05 has been added, enhancing code clarity and device
compatibility.
- Error handling in cs42l43 has been fixed to avoid unbalanced
regulator put and ensure proper synchronization during driver
removal.
- The wcd934x driver now uses MODULE_DEVICE_TABLE() instead of
MODULE_ALIAS(), improving code consistency.
- Documentation for qcom,tcsr, syscon, and atmel-smc has been updated
and reorganized for better clarity and maintainability.
- The intel_soc_pmic_bxtwc driver has undergone significant
improvements, including the use of IRQ domains for various devices,
fixing IRQ domain names duplication, and code refactoring for better
consistency and maintainability.
- The ipaq-micro driver has received a fix for a missing break
statement in the default case, enhancing code robustness.
- Support for the AXP323 PMIC has been added to the axp20x driver,
along with ensuring a clear relationship between IDs and model names,
and allowing multiple regulators, broadening hardware compatibility.
- The cs42l43 driver now disables IRQs during suspend for improved
power management.
- The adp5585 driver has reduced its dependencies by dropping the
obsolete dependency on COMPILE_TEST.
- Initial support for the MT6328 PMIC has been added to the mt6397
driver, expanding the range of supported hardware.
- The rtc-bd70528 driver has been simplified by dropping the IC name
from IRQ, improving code readability.
- Documentation for qcom,spmi-pmic, ti,twl, and zii,rave-sp has been
updated to enhance clarity and incorporate new features.
- The rt5033 driver has received a fix for a missing
regmap_del_irq_chip() in the error handling path.
- New device support has been added for MSM8917, and the
intel_soc_pmic_crc driver now supports non-ACPI instantiated
i2c_client.
- The 88pm886 driver has added support for the RTC cell, and the tqmx86
driver has improved its GPIO IRQ setup and added I2C IRQ support,
increasing functionality.
- The sprd,sc2731 DT schema has been updated and converted to YAML
format for better readability and maintainability.
* tag 'mfd-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (62 commits)
dt-bindings: mfd: bd71828: Use charger resistor in mOhm instead of MOhm
dt-bindings: mfd: sprd,sc2731: Convert to YAML
mfd: tqmx86: Add I2C IRQ support
mfd: tqmx86: Make IRQ setup errors non-fatal
mfd: tqmx86: Refactor GPIO IRQ setup
mfd: tqmx86: Improve gpio_irq module parameter description
mfd: tqmx86: Add board definitions for TQMx120UC, TQMx130UC and TQMxE41S
mfd: 88pm886: Add the RTC cell
dt-bindings: mfd: Add Realtek RTL9300 switch peripherals
mfd: intel_soc_pmic_crc: Add support for non ACPI instantiated i2c_client
mfd: intel_soc_pmic_*: Consistently use filename as driver name
dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8917
mfd: rt5033: Fix missing regmap_del_irq_chip()
mfd: cgbc-core: Fix error handling paths in cgbc_init_device()
dt-bindings: mfd: aspeed: Support for AST2700
mfd: Switch back to struct platform_driver::remove()
dt-bindings: mfd: qcom,spmi-pmic: Document PMICs added in SM8750
mfd: rtc: bd7xxxx Drop IC name from IRQ
mfd: mt6397: Add initial support for MT6328
mfd: adp5585: Drop obsolete dependency on COMPILE_TEST
...
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The scheduler added NEED_RESCHED_LAZY scheduling. Record this state as
part of trace flags and expose it in the need_resched field.
Record and expose NEED_RESCHED_LAZY.
[bigeasy: Commit description, documentation bits.]
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/20241122202849.7DfYpJR0@linutronix.de
Reviewed-by: Ankur Arora <ankur.a.arora@oracle.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Addition of faultable tracepoints
There's a tracepoint attached to both a system call entry and exit.
This location is known to allow page faults. The tracepoints are
called under an rcu_read_lock() which does not allow faults that can
sleep. This limits the ability of tracepoint handlers to page fault
in user space system call parameters. Now these tracepoints have been
made "faultable", allowing the callbacks to fault in user space
parameters and record them.
Note, only the infrastructure has been implemented. The consumers
(perf, ftrace, BPF) now need to have their code modified to allow
faults.
- Fix up of BPF code for the tracepoint faultable logic
- Update tracepoints to use the new static branch API
- Remove trace_*_rcuidle() variants and the SRCU protection they used
- Remove unused TRACE_EVENT_FL_FILTERED logic
- Replace strncpy() with strscpy() and memcpy()
- Use replace per_cpu_ptr(smp_processor_id()) with this_cpu_ptr()
- Fix perf events to not duplicate samples when tracing is enabled
- Replace atomic64_add_return(1, counter) with
atomic64_inc_return(counter)
- Make stack trace buffer 4K instead of PAGE_SIZE
- Remove TRACE_FLAG_IRQS_NOSUPPORT flag as it was never used
- Get the true return address for function tracer when function graph
tracer is also running.
When function_graph trace is running along with function tracer, the
parent function of the function tracer sometimes is
"return_to_handler", which is the function graph trampoline to record
the exit of the function. Use existing logic that calls into the
fgraph infrastructure to find the real return address.
- Remove (un)regfunc pointers out of tracepoint structure
- Added last minute bug fix for setting pending modules in stack
function filter.
echo "write*:mod:ext3" > /sys/kernel/tracing/stack_trace_filter
Would cause a kernel NULL dereference.
- Minor clean ups
* tag 'trace-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (31 commits)
ftrace: Fix regression with module command in stack_trace_filter
tracing: Fix function name for trampoline
ftrace: Get the true parent ip for function tracer
tracing: Remove redundant check on field->field in histograms
bpf: ensure RCU Tasks Trace GP for sleepable raw tracepoint BPF links
bpf: decouple BPF link/attach hook and BPF program sleepable semantics
bpf: put bpf_link's program when link is safe to be deallocated
tracing: Replace strncpy() with strscpy() when copying comm
tracing: Add might_fault() check in __DECLARE_TRACE_SYSCALL
tracing: Fix syscall tracepoint use-after-free
tracing: Introduce tracepoint_is_faultable()
tracing: Introduce tracepoint extended structure
tracing: Remove TRACE_FLAG_IRQS_NOSUPPORT
tracing: Replace multiple deprecated strncpy with memcpy
tracing: Make percpu stack trace buffer invariant to PAGE_SIZE
tracing: Use atomic64_inc_return() in trace_clock_counter()
trace/trace_event_perf: remove duplicate samples on the first tracepoint event
tracing/bpf: Add might_fault check to syscall probes
tracing/perf: Add might_fault check to syscall probes
tracing/ftrace: Add might_fault check to syscall probes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl updates from Dave Jiang:
- Constify range_contains() input parameters to prevent changes
- Add support for displaying RCD capabilities in sysfs to support lspci
for CXL device
- Downgrade warning message to debug in cxl_probe_component_regs()
- Add support for adding a printf specifier '%pra' to emit 'struct
range' content:
- Add sanity tests for 'struct resource'
- Add documentation for special case
- Add %pra for 'struct range'
- Add %pra usage in CXL code
- Add preparation code for DCD support:
- Add range_overlaps()
- Add CDAT DSMAS table shared and read only flag in ACPICA
- Add documentation to 'struct dev_dax_range'
- Delay event buffer allocation in CXL PCI code until needed
- Use guard() in cxl_dpa_set_mode()
- Refactor create region code to consolidate common code
* tag 'cxl-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/region: Refactor common create region code
cxl/hdm: Use guard() in cxl_dpa_set_mode()
cxl/pci: Delay event buffer allocation
dax: Document struct dev_dax_range
ACPI/CDAT: Add CDAT/DSMAS shared and read only flag values
range: Add range_overlaps()
cxl/cdat: Use %pra for dpa range outputs
printf: Add print format (%pra) for struct range
Documentation/printf: struct resource add start == end special case
test printf: Add very basic struct resource tests
cxl: downgrade a warning message to debug level in cxl_probe_component_regs()
cxl/pci: Add sysfs attribute for CXL 1.1 device link status
cxl/core/regs: Add rcd_pcie_cap initialization
kernel/range: Const-ify range_contains parameters
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To avoid arch-specific code in general ACPI initialization flow,
introduce a weak symbol acpi_arch_init().
Currently, arm64 and riscv can utillize this to insert their
arch-specific flow.
In the future, other architectures can also have a chance to define
their own arch-specific ACPI initialization process if necessary.
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Miao Wang <shankerwangmiao@gmail.com>
Link: https://patch.msgid.link/20241121-intro-acpi-arch-init-v4-1-b1fb517e7d8b@gmail.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge additional cpuidle changes for 6.13-rc1:
- Make cpuidle_play_dead() try all idle states with :enter_dead()
callbacks and change their return type to void (Rafael Wysocki).
* pm-cpuidle:
cpuidle: Change :enter_dead() driver callback return type to void
cpuidle: Do not return from cpuidle_play_dead() on callback failures
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Now that the main domain allocating path is calling this function it
doesn't make sense to leave it named _user. Change the name to
alloc_paging_flags() to mirror the new iommu_paging_domain_alloc_flags()
function.
A driver should implement only one of ops->domain_alloc_paging() or
ops->domain_alloc_paging_flags(). The former is a simpler interface with
less boiler plate that the majority of drivers use. The latter is for
drivers with a greater feature set (PASID, multiple page table support,
advanced iommufd support, nesting, etc). Additional patches will be needed
to achieve this.
Link: https://patch.msgid.link/r/2-v1-c252ebdeb57b+329-iommu_paging_flags_jgg@nvidia.com
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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It turns out all the drivers that are using this immediately call into
another function, so just make that function directly into the op. This
makes paging=NULL for domain_alloc_user and we can remove the argument in
the next patch.
The function mirrors the similar op in the viommu that allocates a nested
domain on top of the viommu's nesting parent. This version supports cases
where a viommu is not being used.
Link: https://patch.msgid.link/r/1-v1-c252ebdeb57b+329-iommu_paging_flags_jgg@nvidia.com
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux into iommufd.git
Merge with Joerg's tree for dependencies on the next patches.
======================================
IOMMU Updates for Linux v6.13:
Including:
- Core Updates:
- Convert call-sites using iommu_domain_alloc() to more specific
versions and remove function.
- Introduce iommu_paging_domain_alloc_flags().
- Extend support for allocating PASID-capable domains to more
drivers.
- Remove iommu_present().
- Some smaller improvements.
- New IOMMU driver for RISC-V.
- Intel VT-d Updates:
- Add domain_alloc_paging support.
- Enable user space IOPFs in non-PASID and non-svm cases.
- Small code refactoring and cleanups.
- Add domain replacement support for pasid.
- AMD-Vi Updates:
- Adapt to iommu_paging_domain_alloc_flags() interface and alloc V2
page-tables by default.
- Replace custom domain ID allocator with IDA allocator.
- Add ops->release_domain() support.
- Other improvements to device attach and domain allocation code
paths.
- ARM-SMMU Updates:
- SMMUv2:
- Return -EPROBE_DEFER for client devices probing before their SMMU.
- Devicetree binding updates for Qualcomm MMU-500 implementations.
- SMMUv3:
- Minor fixes and cleanup for NVIDIA's virtual command queue driver.
- IO-PGTable:
- Fix indexing of concatenated PGDs and extend selftest coverage.
- Remove unused block-splitting support.
- S390 IOMMU:
- Implement support for blocking domain.
- Mediatek IOMMU:
- Enable 35-bit physical address support for mt8186.
- OMAP IOMMU driver:
- Adapt to recent IOMMU core changes and unbreak driver.
======================================
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
|
|
Pull drm updates from Dave Airlie:
"There's a lot of rework, the panic helper support is being added to
more drivers, v3d gets support for HW superpages, scheduler
documentation, drm client and video aperture reworks, some new
MAINTAINERS added, amdgpu has the usual lots of IP refactors, Intel
has some Pantherlake enablement and xe is getting some SRIOV bits, but
just lots of stuff everywhere.
core:
- split DSC helpers from DP helpers
- clang build fixes for drm/mm test
- drop simple pipeline support for gem vram
- document submission error signaling
- move drm_rect to drm core module from kms helper
- add default client setup to most drivers
- move to video aperture helpers instead of drm ones
tests:
- new framebuffer tests
ttm:
- remove swapped and pinned BOs from TTM lru
panic:
- fix uninit spinlock
- add ABGR2101010 support
bridge:
- add TI TDP158 support
- use standard PM OPS
dma-fence:
- use read_trylock instead of read_lock to help lockdep
scheduler:
- add errno to sched start to report different errors
- add locking to drm_sched_entity_modify_sched
- improve documentation
xe:
- add drm_line_printer
- lots of refactoring
- Enable Xe2 + PES disaggregation
- add new ARL PCI ID
- SRIOV development work
- fix exec unnecessary implicit fence
- define and parse OA sync props
- forcewake refactoring
i915:
- Enable BMG/LNL ultra joiner
- Enable 10bpx + CCS scanout on ICL+, fp16/CCS on TGL+
- use DSB for plane/color mgmt
- Arrow lake PCI IDs
- lots of i915/xe display refactoring
- enable PXP GuC autoteardown
- Pantherlake (PTL) Xe3 LPD display enablement
- Allow fastset HDR infoframe changes
- write DP source OUI for non-eDP sinks
- share PCI IDs between i915 and xe
amdgpu:
- SDMA queue reset support
- SMU 13.0.6, JPEG 4.0.3 updates
- Initial runtime repartitioning support
- rework IP structs for multiple IP instances
- Fetch EDID from _DDC if available
- SMU13 zero rpm user control
- lots of fixes/cleanups
amdkfd:
- Increase event FIFO size
- add topology cap flag for per queue reset
msm:
- DPU:
- SA8775P support
- (disabled by default) MSM8917, MSM8937, MSM8953 and MSM8996 support
- Enable large framebuffer support
- Drop MSM8998 and SDM845
- DP:
- SA8775P support
- GPU:
- a7xx preemption support
- Adreno A663 support
ast:
- warn about unsupported TX chips
ivpu:
- add coredump
- add pantherlake support
rockchip:
- 4K@60Hz display enablement
- generate pll programming tables
panthor:
- add timestamp query API
- add realtime group priority
- add fdinfo support
etnaviv:
- improve handling of DMA address limits
- improve GPU hangcheck
exynos:
- Decon Exynos7870 support
mediatek:
- add OF graph support
omap:
- locking fixes
bochs:
- convert to gem/shmem from simpledrm
v3d:
- support big/super pages
- add gemfs
vc4:
- BCM2712 support refactoring
- add YUV444 format support
udmabuf:
- folio related fixes
nouveau:
- add panic support on nv50+"
* tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel: (1583 commits)
drm/xe/guc: Fix dereference before NULL check
drm/amd: Fix initialization mistake for NBIO 7.7.0
Revert "drm/amd/display: parse umc_info or vram_info based on ASIC"
drm/amd/display: Fix failure to read vram info due to static BP_RESULT
drm/amdgpu: enable GTT fallback handling for dGPUs only
drm/amd/amdgpu: limit single process inside MES
drm/fourcc: add AMD_FMT_MOD_TILE_GFX9_4K_D_X
drm/amdgpu/mes12: correct kiq unmap latency
drm/amdgpu: Support vcn and jpeg error info parsing
drm/amd : Update MES API header file for v11 & v12
drm/amd/amdkfd: add/remove kfd queues on start/stop KFD scheduling
drm/amdkfd: change kfd process kref count at creation
drm/amdgpu: Cleanup shift coding style
drm/amd/amdgpu: Increase MES log buffer to dump mes scratch data
drm/amdgpu: Implement virt req_ras_err_count
drm/amdgpu: VF Query RAS Caps from Host if supported
drm/amdgpu: Add msg handlers for SRIOV RAS Telemetry
drm/amdgpu: Update SRIOV Exchange Headers for RAS Telemetry Support
drm/amd/display: 3.2.309
drm/amd/display: Adjust VSDB parser for replay feature
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This is a relatively calm cycle, and majority of changes are about
ASoC. There are little changes in the core side but we received lots
of new drivers for new vendors.
ALSA Core:
- The new accel operation mode for compress-offload API; only the
core part, the actual user will follow later
ASoC:
- Continued API simplification works
- Renaming of the sh directory to Renesas
- Factoring out of some of the common code for Realtek devices
- Ussal ASoC Intel SOF, AMD and SoundWire updates
- Support for Allwinner H616, AMD ACP 6.3 systems, AWInic AW88081,
Cirrus Logic CS32L84, Everest ES8328, Iron Devices SMA1307,
Longsoon I2S, NeoFidelity NTP8918 and NTP8835, Philips UDA1342,
Qualcomm SM8750, RealTek RT721, and ST Microelectronics STM32MP25
HD- and USB-audio:
- Clean up of IRQ handling in legacy HD-audio driver
- Fix soft lockup at disconnection of non-standard USB drivers
- Scarlett2 mixer improvements
- New quirks and cleanups in HD- and USB-audio"
* tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (278 commits)
ALSA: hda: Poll jack events for LS7A HD-Audio
ASoC: hdmi-codec: reorder channel allocation list
ALSA: ump: Fix the wrong format specifier
ASoC: Intel: soc-acpi-intel-lnl-match: add rt712_vb + rt1320 support
ASoC: stm32: dfsdm: change rate upper limits
ASoC: sma1307: fix uninitialized variable refence
ASoC: dt-bindings: simple-mux: add idle-state property
ASoc: simple-mux: add idle-state support
ASoC: sdca: test adev before calling acpi_dev_for_each_child
ASoC: SOF: ipc4-topology: remove redundant assignment to variable ret
ASoC: amd: ps: fix the pcm device numbering for acp 6.3 platform
ASoC: amd: acp: add soundwire machine driver for legacy stack
ASoC: amd: acp: move get_acp63_cpu_pin_id() to common file
ASoC: amd: ps: add soundwire machines for acp6.3 platform
ASoC: amd: acp: add RT711, RT714 & RT1316 support for acp 6.3 platform
ASoC: amd: acp: add rt722 based soundwire machines
ALSA: compress_offload: Add missing descriptions in structs
ALSA: 6fire: Release resources at card release
ALSA: caiaq: Use snd_card_free_when_closed() at disconnection
ALSA: us122l: Drop mmap_count field
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
"Several new features and uAPI for iommufd:
- IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the
backing memory for an iommu mapping. To date VFIO/iommufd have used
VMA's and pin_user_pages(), this now allows using memfds and
memfd_pin_folios(). Notably this creates a pure folio path from the
memfd to the iommu page table where memory is never broken down to
PAGE_SIZE.
- IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between
two processes. Combined with the above this allows iommufd to
support a VMM re-start using exec() where something like qemu would
exec() a new version of itself and fd pass the memfds/iommufd/etc
to the new process. The memfd allows DMA access to the memory to
continue while the new process is getting setup, and the
CHANGE_PROCESS updates all the accounting.
- Support for fault reporting to userspace on non-PRI HW, such as ARM
stall-mode embedded devices.
- IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed
virtual iommu. This will be used by VMMs to access hardware
features that are contained with in a VM. The first use is to
inform the kernel of the virtual SID to physical SID mapping when
issuing SID based invalidation on ARM. Further uses will tie HW
features that are directly accessed by the VM, such as invalidation
queue assignment and others.
- IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
device to physical device within a VIOMMU. Minimially this is used
to translate VM issued cache invalidation commands from virtual to
physical device IDs.
- Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work
with the VIOMMU
- ARM SMMuv3 support for nested translation. Using the VIOMMU and
VDEVICE the driver can model this HW's behavior for nested
translation. This includes a shared branch from Will"
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (51 commits)
iommu/arm-smmu-v3: Import IOMMUFD module namespace
iommufd: IOMMU_IOAS_CHANGE_PROCESS selftest
iommufd: Add IOMMU_IOAS_CHANGE_PROCESS
iommufd: Lock all IOAS objects
iommufd: Export do_update_pinned
iommu/arm-smmu-v3: Support IOMMU_HWPT_INVALIDATE using a VIOMMU object
iommu/arm-smmu-v3: Allow ATS for IOMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Use S2FWB for NESTED domains
iommu/arm-smmu-v3: Support IOMMU_DOMAIN_NESTED
iommu/arm-smmu-v3: Support IOMMU_VIOMMU_ALLOC
Documentation: userspace-api: iommufd: Update vDEVICE
iommufd/selftest: Add vIOMMU coverage for IOMMU_HWPT_INVALIDATE ioctl
iommufd/selftest: Add IOMMU_TEST_OP_DEV_CHECK_CACHE test command
iommufd/selftest: Add mock_viommu_cache_invalidate
iommufd/viommu: Add iommufd_viommu_find_dev helper
iommu: Add iommu_copy_struct_from_full_user_array helper
iommufd: Allow hwpt_id to carry viommu_id for IOMMU_HWPT_INVALIDATE
iommu/viommu: Add cache_invalidate to iommufd_viommu_ops
iommufd/selftest: Add IOMMU_VDEVICE_ALLOC test coverage
iommufd/viommu: Add IOMMUFD_OBJ_VDEVICE and IOMMU_VDEVICE_ALLOC ioctl
...
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- improve the DMA API tracing code (Sean Anderson)
- misc cleanups (Christoph Hellwig, Sui Jingfeng)
- fix pointer abuse when finding the shared DMA pool (Geert
Uytterhoeven)
- fix a deadlock in dma-debug (Levi Yun)
* tag 'dma-mapping-6.13-2024-11-19' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: save base/size instead of pointer to shared DMA pool
dma-mapping: fix swapped dir/flags arguments to trace_dma_alloc_sgt_err
dma-mapping: drop unneeded includes from dma-mapping.h
dma-mapping: trace more error paths
dma-mapping: use trace_dma_alloc for dma_alloc* instead of using trace_dma_map
dma-mapping: trace dma_alloc/free direction
dma-mapping: use macros to define events in a class
dma-mapping: remove an outdated comment from dma-map-ops.h
dma-debug: remove DMA_API_DEBUG_SG
dma-debug: store a phys_addr_t in struct dma_debug_entry
dma-debug: fix a possible deadlock on radix_lock
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for-6.13/block
Pull NVMe updates from Keith:
"nvme updates for Linux 6.13
- Use correct srcu list traversal (Breno)
- Scatter-gather support for metadata (Keith)
- Fabrics shutdown race condition fix (Nilay)
- Persistent reservations updates (Guixin)"
* tag 'nvme-6.13-2024-11-21' of git://git.infradead.org/nvme:
nvme: tuning pr code by using defined structs and macros
nvme: introduce change ptpl and iekey definition
nvme-fabrics: fix kernel crash while shutting down controller
Revert "nvme: make keep-alive synchronous operation"
nvme-pci: use sgls for all user requests if possible
nvme: define the remaining used sgls constants
nvme-pci: add support for sgl metadata
nvme/multipath: Fix RCU list traversal to use SRCU primitive
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"A couple of smaller random fsnotify fixes"
* tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: Fix ordering of iput() and watched_objects decrement
fsnotify: fix sending inotify event with unexpected filename
fanotify: allow reporting errors on failure to open fd
fsnotify, lsm: Decouple fsnotify from lsm
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Pull xfs updates from Carlos Maiolino:
"The bulk of this pull request is a major rework that Darrick and
Christoph have been doing on XFS's real-time volume, coupled with a
few features to support this rework. It does also includes some bug
fixes.
- convert perag to use xarrays
- create a new generic allocation group structure
- add metadata inode dir trees
- create in-core rt allocation groups
- shard the RT section into allocation groups
- persist quota options with the enw metadata dir tree
- enable quota for RT volumes
- enable metadata directory trees
- some bugfixes"
* tag 'xfs-6.13-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (146 commits)
xfs: port ondisk structure checks from xfs/122 to the kernel
xfs: separate space btree structures in xfs_ondisk.h
xfs: convert struct typedefs in xfs_ondisk.h
xfs: enable metadata directory feature
xfs: enable realtime quota again
xfs: update sb field checks when metadir is turned on
xfs: reserve quota for realtime files correctly
xfs: create quota preallocation watermarks for realtime quota
xfs: report realtime block quota limits on realtime directories
xfs: persist quota flags with metadir
xfs: advertise realtime quota support in the xqm stat files
xfs: scrub quota file metapaths
xfs: fix chown with rt quota
xfs: use metadir for quota inodes
xfs: refactor xfs_qm_destroy_quotainos
xfs: use rtgroup busy extent list for FITRIM
xfs: implement busy extent tracking for rtgroups
xfs: port the perag discard code to handle generic groups
xfs: move the min and max group block numbers to xfs_group
xfs: adjust min_block usage in xfs_verify_agbno
...
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This is for the next tuning pr code more readble patch, make
linux/nvme.h's changes separately.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"The most significant set of changes is the per netns RTNL. The new
behavior is disabled by default, regression risk should be contained.
Notably the new config knob PTP_1588_CLOCK_VMCLOCK will inherit its
default value from PTP_1588_CLOCK_KVM, as the first is intended to be
a more reliable replacement for the latter.
Core:
- Started a very large, in-progress, effort to make the RTNL lock
scope per network-namespace, thus reducing the lock contention
significantly in the containerized use-case, comprising:
- RCU-ified some relevant slices of the FIB control path
- introduce basic per netns locking helpers
- namespacified the IPv4 address hash table
- remove rtnl_register{,_module}() in favour of
rtnl_register_many()
- refactor rtnl_{new,del,set}link() moving as much validation as
possible out of RTNL lock
- convert all phonet doit() and dumpit() handlers to RCU
- convert IPv4 addresses manipulation to per-netns RTNL
- convert virtual interface creation to per-netns RTNL
the per-netns lock infrastructure is guarded by the
CONFIG_DEBUG_NET_SMALL_RTNL knob, disabled by default ad interim.
- Introduce NAPI suspension, to efficiently switching between busy
polling (NAPI processing suspended) and normal processing.
- Migrate the IPv4 routing input, output and control path from direct
ToS usage to DSCP macros. This is a work in progress to make ECN
handling consistent and reliable.
- Add drop reasons support to the IPv4 rotue input path, allowing
better introspection in case of packets drop.
- Make FIB seqnum lockless, dropping RTNL protection for read access.
- Make inet{,v6} addresses hashing less predicable.
- Allow providing timestamp OPT_ID via cmsg, to correlate TX packets
and timestamps
Things we sprinkled into general kernel code:
- Add small file operations for debugfs, to reduce the struct ops
size.
- Refactoring and optimization for the implementation of page_frag
API, This is a preparatory work to consolidate the page_frag
implementation.
Netfilter:
- Optimize set element transactions to reduce memory consumption
- Extended netlink error reporting for attribute parser failure.
- Make legacy xtables configs user selectable, giving users the
option to configure iptables without enabling any other config.
- Address a lot of false-positive RCU issues, pointed by recent CI
improvements.
BPF:
- Put xsk sockets on a struct diet and add various cleanups. Overall,
this helps to bump performance by 12% for some workloads.
- Extend BPF selftests to increase coverage of XDP features in
combination with BPF cpumap.
- Optimize and homogenize bpf_csum_diff helper for all archs and also
add a batch of new BPF selftests for it.
- Extend netkit with an option to delegate skb->{mark,priority}
scrubbing to its BPF program.
- Make the bpf_get_netns_cookie() helper available also to tc(x) BPF
programs.
Protocols:
- Introduces 4-tuple hash for connected udp sockets, speeding-up
significantly connected sockets lookup.
- Add a fastpath for some TCP timers that usually expires after
close, the socket lock contention.
- Add inbound and outbound xfrm state caches to speed up state
lookups.
- Avoid sending MPTCP advertisements on stale subflows, reducing
risks on loosing them.
- Make neighbours table flushing more scalable, maintaining per
device neigh lists.
Driver API:
- Introduce a unified interface to configure transmission H/W
shaping, and expose it to user-space via generic-netlink.
- Add support for per-NAPI config via netlink. This makes napi
configuration persistent across queues removal and re-creation.
Requires driver updates, currently supported drivers are:
nVidia/Mellanox mlx4 and mlx5, Broadcom brcm and Intel ice.
- Add ethtool support for writing SFP / PHY firmware blocks.
- Track RSS context allocation from ethtool core.
- Implement support for mirroring to DSA CPU port, via TC mirror
offload.
- Consolidate FDB updates notification, to avoid duplicates on
device-specific entries.
- Expose DPLL clock quality level to the user-space.
- Support master-slave PHY config via device tree.
Tests and tooling:
- forwarding: introduce deferred commands, to simplify the cleanup
phase
Drivers:
- Updated several drivers - Amazon vNic, Google vNic, Microsoft vNic,
Intel e1000e and Broadcom Tigon3 - to use netdev-genl to link the
IRQs and queues to NAPI IDs, allowing busy polling and better
introspection.
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- mlx5:
- a large refactor to implement support for cross E-Switch
scheduling
- refactor H/W conter management to let it scale better
- H/W GRO cleanups
- Intel (100G, ice)::
- add support for ethtool reset
- implement support for per TX queue H/W shaping
- AMD/Solarflare:
- implement per device queue stats support
- Broadcom (bnxt):
- improve wildcard l4proto on IPv4/IPv6 ntuple rules
- Marvell Octeon:
- Add representor support for each Resource Virtualization Unit
(RVU) device.
- Hisilicon:
- add support for the BMC Gigabit Ethernet
- IBM (EMAC):
- driver cleanup and modernization
- Cisco (VIC):
- raise the queues number limit to 256
- Ethernet virtual:
- Google vNIC:
- implement page pool support
- macsec:
- inherit lower device's features and TSO limits when
offloading
- virtio_net:
- enable premapped mode by default
- support for XDP socket(AF_XDP) zerocopy TX
- wireguard:
- set the TSO max size to be GSO_MAX_SIZE, to aggregate larger
packets.
- Ethernet NICs embedded and virtual:
- Broadcom ASP:
- enable software timestamping
- Freescale:
- add enetc4 PF driver
- MediaTek: Airoha SoC:
- implement BQL support
- RealTek r8169:
- enable TSO by default on r8168/r8125
- implement extended ethtool stats
- Renesas AVB:
- enable TX checksum offload
- Synopsys (stmmac):
- support header splitting for vlan tagged packets
- move common code for DWMAC4 and DWXGMAC into a separate FPE
module.
- add dwmac driver support for T-HEAD TH1520 SoC
- Synopsys (xpcs):
- driver refactor and cleanup
- TI:
- icssg_prueth: add VLAN offload support
- Xilinx emaclite:
- add clock support
- Ethernet switches:
- Microchip:
- implement support for the lan969x Ethernet switch family
- add LAN9646 switch support to KSZ DSA driver
- Ethernet PHYs:
- Marvel: 88q2x: enable auto negotiation
- Microchip: add support for LAN865X Rev B1 and LAN867X Rev C1/C2
- PTP:
- Add support for the Amazon virtual clock device
- Add PtP driver for s390 clocks
- WiFi:
- mac80211
- EHT 1024 aggregation size for transmissions
- new operation to indicate that a new interface is to be added
- support radio separation of multi-band devices
- move wireless extension spy implementation to libiw
- Broadcom:
- brcmfmac: optional LPO clock support
- Microchip:
- add support for Atmel WILC3000
- Qualcomm (ath12k):
- firmware coredump collection support
- add debugfs support for a multitude of statistics
- Qualcomm (ath5k):
- Arcadyan ARV45XX AR2417 & Gigaset SX76[23] AR241[34]A support
- Realtek:
- rtw88: 8821au and 8812au USB adapters support
- rtw89: add thermal protection
- rtw89: fine tune BT-coexsitence to improve user experience
- rtw89: firmware secure boot for WiFi 6 chip
- Bluetooth
- add Qualcomm WCN785x support for ids Foxconn 0xe0fc/0xe0f3 and
0x13d3:0x3623
- add Realtek RTL8852BE support for id Foxconn 0xe123
- add MediaTek MT7920 support for wireless module ids
- btintel_pcie: add handshake between driver and firmware
- btintel_pcie: add recovery mechanism
- btnxpuart: add GPIO support to power save feature"
* tag 'net-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1475 commits)
mm: page_frag: fix a compile error when kernel is not compiled
Documentation: tipc: fix formatting issue in tipc.rst
selftests: nic_performance: Add selftest for performance of NIC driver
selftests: nic_link_layer: Add selftest case for speed and duplex states
selftests: nic_link_layer: Add link layer selftest for NIC driver
bnxt_en: Add FW trace coredump segments to the coredump
bnxt_en: Add a new ethtool -W dump flag
bnxt_en: Add 2 parameters to bnxt_fill_coredump_seg_hdr()
bnxt_en: Add functions to copy host context memory
bnxt_en: Do not free FW log context memory
bnxt_en: Manage the FW trace context memory
bnxt_en: Allocate backing store memory for FW trace logs
bnxt_en: Add a 'force' parameter to bnxt_free_ctx_mem()
bnxt_en: Refactor bnxt_free_ctx_mem()
bnxt_en: Add mem_valid bit to struct bnxt_ctx_mem_type
bnxt_en: Update firmware interface spec to 1.10.3.85
selftests/bpf: Add some tests with sockmap SK_PASS
bpf: fix recursive lock when verdict program return SK_PASS
wireguard: device: support big tcp GSO
wireguard: selftests: load nf_conntrack if not present
...
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If user give a file size as "length" parameter for fiemap
operations, but if this size is non-block size aligned,
it will show 2 segments fiemap results even this whole file
is contiguous on disk, such as the following results:
./f2fs_io fiemap 0 19034 ylog/analyzer.py
Fiemap: offset = 0 len = 19034
logical addr. physical addr. length flags
0 0000000000000000 0000000020baa000 0000000000004000 00001000
1 0000000000004000 0000000020bae000 0000000000001000 00001001
after this patch:
./f2fs_io fiemap 0 19034 ylog/analyzer.py
Fiemap: offset = 0 len = 19034
logical addr. physical addr. length flags
0 0000000000000000 00000000315f3000 0000000000005000 00001001
Signed-off-by: Zhiguo Niu <zhiguo.niu@unisoc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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It missed to cast variable to unsigned long long type before
bit shift, which will cause overflow, fix it.
Fixes: f7ef9b83b583 ("f2fs: introduce macros to convert bytes and blocks in f2fs")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Add BPF uprobe session support (Jiri Olsa)
- Optimize uprobe performance (Andrii Nakryiko)
- Add bpf_fastcall support to helpers and kfuncs (Eduard Zingerman)
- Avoid calling free_htab_elem() under hash map bucket lock (Hou Tao)
- Prevent tailcall infinite loop caused by freplace (Leon Hwang)
- Mark raw_tracepoint arguments as nullable (Kumar Kartikeya Dwivedi)
- Introduce uptr support in the task local storage map (Martin KaFai
Lau)
- Stringify errno log messages in libbpf (Mykyta Yatsenko)
- Add kmem_cache BPF iterator for perf's lock profiling (Namhyung Kim)
- Support BPF objects of either endianness in libbpf (Tony Ambardar)
- Add ksym to struct_ops trampoline to fix stack trace (Xu Kuohai)
- Introduce private stack for eligible BPF programs (Yonghong Song)
- Migrate samples/bpf tests to selftests/bpf test_progs (Daniel T. Lee)
- Migrate test_sock to selftests/bpf test_progs (Jordan Rife)
* tag 'bpf-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (152 commits)
libbpf: Change hash_combine parameters from long to unsigned long
selftests/bpf: Fix build error with llvm 19
libbpf: Fix memory leak in bpf_program__attach_uprobe_multi
bpf: use common instruction history across all states
bpf: Add necessary migrate_disable to range_tree.
bpf: Do not alloc arena on unsupported arches
selftests/bpf: Set test path for token/obj_priv_implicit_token_envvar
selftests/bpf: Add a test for arena range tree algorithm
bpf: Introduce range_tree data structure and use it in bpf arena
samples/bpf: Remove unused variable in xdp2skb_meta_kern.c
samples/bpf: Remove unused variables in tc_l2_redirect_kern.c
bpftool: Cast variable `var` to long long
bpf, x86: Propagate tailcall info only for subprogs
bpf: Add kernel symbol for struct_ops trampoline
bpf: Use function pointers count as struct_ops links count
bpf: Remove unused member rcu from bpf_struct_ops_map
selftests/bpf: Add struct_ops prog private stack tests
bpf: Support private stack for struct_ops progs
selftests/bpf: Add tracing prog private stack tests
bpf, x86: Support private stack in jit
...
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SPI-NAND changes:
A load of fixes to Winbond manufacturer driver have been done, plus a
structure constification.
Raw NAND changes:
The GPMI driver has been improved on the power management side.
The Davinci driver has been cleaned up.
A leak in the Atmel driver plus some typos in the core have been fixed.
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Rename pwrctrl functions and structures from "pwrctl" to "pwrctrl" to match
the similar file renames.
Link: https://lore.kernel.org/r/20241115214428.2061153-3-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Acked-by: Krzysztof Wilczyński <kw@linux.com>
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To slightly reduce confusion between "pwrctl" (the power controller and
power sequencing framework) and "bwctrl" (the bandwidth controller),
rename "pwrctl" to "pwrctrl" so they use the same "ctrl" suffix.
Rename drivers/pci/pwrctl/ to drivers/pci/pwrctrl/, including the related
MAINTAINERS, include file (include/linux/pci-pwrctl.h), Makefile, and
Kconfig changes.
This is the minimal rename of files only. A subsequent commit will rename
functions and data structures.
Link: https://lore.kernel.org/r/20241115214428.2061153-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Acked-by: Krzysztof Wilczyński <kw@linux.com>
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Instead of eagerly running all available local tw, limit the amount of
local tw done to the max of IO_LOCAL_TW_DEFAULT_MAX (20) or wait_nr. The
value of 20 is chosen as a reasonable heuristic to allow enough work
batching but also keep latency down.
Add a retry_llist that maintains a list of local tw that couldn't be
done in time. No synchronisation is needed since it is only modified
within the task context.
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://lore.kernel.org/r/20241120221452.3762588-3-dw@davidwei.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Arnd Bergmann:
"The SoC specific code updates for 6.13 are fairly minimal.
One Broadcom SoC model gains automatic configuration for the debug
uarg as we have on many other machines, the remaining changes are
trivial cleanups"
* tag 'soc-arm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: imx: Switch to new sys-off handler API
ARM: bcm: brcmstb: Drop custom init_irq callback
ARM: bcm: Support BCMBCA debug UART
ARM: zynq: Remove unused zynq_slcr_init() declaration
ASoC: samsung: Remove obsoleted declaration for s3c64xx_ac97_setup_gpio
ARM: samsung: Remove obsoleted declaration for s3c_hwmon_set_platdata
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"Nothing particular important in the SoC driver updates, just the usual
improvements to for drivers/soc and a couple of subsystems that don't
fit anywhere else:
- The largest set of updates is for Qualcomm SoC drivers, extending
the set of supported features for additional SoCs in the QSEECOM,
LLCC and socinfo drivers.a
- The ti_sci firmware driver gains support for power managment
- The drivers/reset subsystem sees a rework of the microchip sparx5
and amlogic reset drivers to support additional chips, plus a few
minor updates on other platforms
- The SCMI firmware interface driver gains support for two protocol
extensions, allowing more flexible use of the shared memory area
and new DT binding properties for configurability.
- Mediatek SoC drivers gain support for power managment on the MT8188
SoC and a new driver for DVFS.
- The AMD/Xilinx ZynqMP SoC drivers gain support for system reboot
and a few bugfixes
- The Hisilicon Kunpeng HCCS driver gains support for configuring
lanes through sysfs
Finally, there are cleanups and minor fixes for drivers/{soc, bus,
memory}, including changing back the .remove_new callback to .remove,
as well as a few other updates for freescale (powerpc) soc drivers,
NXP i.MX soc drivers, cznic turris platform driver, memory controller
drviers, TI OMAP SoC drivers, and Tegra firmware drivers"
* tag 'soc-drivers-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (116 commits)
soc: fsl: cpm1: qmc: Set the ret error code on platform_get_irq() failure
soc: fsl: rcpm: fix missing of_node_put() in copy_ippdexpcr1_setting()
soc: fsl: cpm1: tsa: switch to for_each_available_child_of_node_scoped()
platform: cznic: turris-omnia-mcu: Rename variable holding GPIO line names
platform: cznic: turris-omnia-mcu: Document the driver private data structure
firmware: turris-mox-rwtm: Document the driver private data structure
bus: Switch back to struct platform_driver::remove()
soc: qcom: ice: Remove the device_link field in qcom_ice
drm/msm/adreno: Setup SMMU aparture for per-process page table
firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID
firmware: arm_scpi: Check the DVFS OPP count returned by the firmware
soc: qcom: socinfo: add IPQ5424/IPQ5404 SoC ID
dt-bindings: arm: qcom,ids: add SoC ID for IPQ5424/IPQ5404
soc: qcom: llcc: Flip the manual slice configuration condition
dt-bindings: firmware: qcom,scm: Document sm8750 SCM
firmware: qcom: uefisecapp: Allow X1E Devkit devices
misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent'
misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges property'
soc: qcom: llcc: Add LLCC configuration for the QCS8300 platform
dt-bindings: cache: qcom,llcc: Document the QCS8300 LLCC
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"These are a number of unrelated cleanups, generally simplifying the
architecture specific header files:
- A series from Al Viro simplifies asm/vga.h, after it turns out that
most of it can be generalized.
- A series from Julian Vetter adds a common version of
memcpy_{to,from}io() and memset_io() and changes most architectures
to use that instead of their own implementation
- A series from Niklas Schnelle concludes his work to make PC style
inb()/outb() optional
- Nicolas Pitre contributes improvements for the generic do_div()
helper
- Christoph Hellwig adds a generic version of page_to_phys() and
phys_to_page(), replacing the slightly different architecture
specific definitions.
- Uwe Kleine-Koenig has a minor cleanup for ioctl definitions"
* tag 'asm-generic-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (24 commits)
empty include/asm-generic/vga.h
sparc: get rid of asm/vga.h
asm/vga.h: don't bother with scr_mem{cpy,move}v() unless we need to
vt_buffer.h: get rid of dead code in default scr_...() instances
tty: serial: export serial_8250_warn_need_ioport
lib/iomem_copy: fix kerneldoc format style
hexagon: simplify asm/io.h for !HAS_IOPORT
loongarch: Use new fallback IO memcpy/memset
csky: Use new fallback IO memcpy/memset
arm64: Use new fallback IO memcpy/memset
New implementation for IO memcpy and IO memset
watchdog: Add HAS_IOPORT dependency for SBC8360 and SBC7240
__arch_xprod64(): make __always_inline when optimizing for performance
ARM: div64: improve __arch_xprod_64()
asm-generic/div64: optimize/simplify __div64_const32()
lib/math/test_div64: add some edge cases relevant to __div64_const32()
asm-generic: add an optional pfn_valid check to page_to_phys
asm-generic: provide generic page_to_phys and phys_to_page implementations
asm-generic/io.h: Remove I/O port accessors for HAS_IOPORT=n
tty: serial: handle HAS_IOPORT dependencies
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp update from Kees Cook:
- Provide stub for !HAVE_ARCH_SECCOMP_FILTER (Linus Walleij)
This will make it easier to port arm32 to the generic entry code.
* tag 'seccomp-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
seccomp: Stub for !HAVE_ARCH_SECCOMP_FILTER
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"Just some cleanups and bug fixes this time around:
- Align handling of the compiled-in command line with the core kernel
- Measure the initrd into the TPM also when it was loaded via the EFI
file I/O protocols
- Clean up TPM event log handling
- Sanity check the EFI memory attributes table, and apply it after
kexec too
- Assorted other fixes"
* tag 'efi-next-for-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: Fix memory leak in efivar_ssdt_load
efi/libstub: Take command line overrides into account for loaded files
efi/libstub: Fix command line fallback handling when loading files
efi/libstub: Parse builtin command line after bootloader provided one
x86/efi: Apply EFI Memory Attributes after kexec
x86/efi: Drop support for the EFI_PROPERTIES_TABLE
efi/memattr: Ignore table if the size is clearly bogus
efi/zboot: Fix outdated comment about using LoadImage/StartImage
efi/libstub: Free correct pointer on failure
libstub,tpm: do not ignore failure case when reading final event log
tpm: fix unsigned/signed mismatch errors related to __calc_tpm2_event_size
tpm: do not ignore memblock_reserve return value
tpm: fix signed/unsigned bug when checking event logs
efi/libstub: measure initrd to PCR9 independent of source
efi/libstub: remove unnecessary cmd_line_len from efi_convert_cmdline()
efi/libstub: fix efi_parse_options() ignoring the default command line
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- alienware WMAX thermal interface support
- Split ACPI and platform device based amd/hsmp drivers
- AMD X3D frequency/cache mode switching support
- asus thermal policy fixes
- Disable C1 auto-demotion in suspend to allow entering the deepest
C-states
- Fix volume buttons on Thinkpad X12 Detachable Tablet Gen 1
- Replace intel_scu_ipc "workaround" with 32-bit IO
- Correct *_show() function error handling in panasonic-laptop
- Gemini Lake P2SB devfn correction
- think-lmi Admin/System certificate authentication support
- Disable WMI devices for shutdown, refactoring continues
- Vexia EDU ATLA 10 tablet support
- Surface Pro 9 5G (Arm/QCOM) support
- Misc cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (69 commits)
platform/x86: p2sb: Cache correct PCI bar for P2SB on Gemini Lake
platform/x86: panasonic-laptop: Return errno correctly in show callback
Documentation: alienware-wmi: Describe THERMAL_INFORMATION operation 0x02
alienware-wmi: create_thermal_profile() no longer brute-forces IDs
alienware-wmi: Adds support to Alienware x17 R2
alienware-wmi: extends the list of supported models
alienware-wmi: order alienware_quirks[] alphabetically
platform/x86/intel/pmt: allow user offset for PMT callbacks
platform/x86/amd/hsmp: Change the error type
platform/x86/amd/hsmp: Add new error code and error logs
platform/x86/amd: amd_3d_vcache: Add sysfs ABI documentation
platform/x86/amd: amd_3d_vcache: Add AMD 3D V-Cache optimizer driver
intel-hid: fix volume buttons on Thinkpad X12 Detachable Tablet Gen 1
platform/x86/amd/hsmp: mark hsmp_msg_desc_table[] as maybe_unused
platform/x86: asus-wmi: Use platform_profile_cycle()
platform/x86: asus-wmi: Fix inconsistent use of thermal policies
platform/x86: hp: hp-bioscfg: remove redundant if statement
MAINTAINERS: Update ISHTP ECLITE maintainer entry
platform/x86: x86-android-tablets: Add support for Vexia EDU ATLA 10 tablet
platform/x86: x86-android-tablets: Add support for getting i2c_adapter by PCI parent devname()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- removal of the old omap4iss media driver
- mantis: remove orphan mantis_core.h
- add support for Raspberypi CFE
- uvc driver got a co-maintainer
- main media tree moved to git://linuxtv.org/media.git
- lots of driver cleanups, updates and fixes
* tag 'media/v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (233 commits)
docs: media: update location of the media patches
MAINTAINERS: update location of media main tree
media: MAINTAINERS: Add Hans de Goede as USB VIDEO CLASS co-maintainer
media: platform: samsung: s5p-jpeg: Remove deadcode
media: qcom: camss: Add MSM8953 resources
media: dt-bindings: Add qcom,msm8953-camss
media: qcom: camss: implement pm domain ops for VFE v4.1
media: platform: exynos4-is: Fix an OF node reference leak in fimc_md_is_isp_available
media: adv7180: Also check for "adi,force-bt656-4"
media: dt-bindings: adv7180: Document 'adi,force-bt656-4'
media: mgb4: Fix inconsistent input/output alignment in loopback mode
media: replace obsolete hans.verkuil@cisco.com alias
Documentation: media: improve V4L2_CID_MIN_BUFFERS_FOR_*, doc
media: vicodec: add V4L2_CID_MIN_BUFFERS_FOR_* controls
media: atomisp: Add check for rgby_data memory allocation failure
media: atomisp: remove redundant re-checking of err
media: atomisp: Fix spelling errors reported by codespell
media: atomisp: Remove License information boilerplate
media: atomisp: Fix typos in comment
media: atomisp: hmm_bo: Fix spelling errors in hmm_bo.h
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- improvement in the way hid-bpf coexists with specific drivers (others
than hid-generic) that are already bound to devices (Benjamin
Tissoires)
- removal of three way-too-aggressive BUG_ON()s from HID drivers (He
Lugang)
- assorted cleanups and small code fixes to HID core (Dmitry Torokhov,
Yan Zhen, Nathan Chancellor, Andy Shevchenko)
- support for Corsair Void headset family (Stuart Hayhurst)
- Support for Goodix GT7986U SPI (Charles Wang)
- initial vendor-specific driver for Kysona, currently adding support
for Kysona M600 (Lode Willems)
- other assorted code cleanups and small bugfixes all over the place
* tag 'hid-for-linus-2024111801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (40 commits)
HID: multitouch: make mt_set_mode() less cryptic
HID: hid-goodix-spi: Add OF supports
dt-bindings: input: Goodix GT7986U SPI HID Touchscreen
HID: hyperv: streamline driver probe to avoid devres issues
HID: magicmouse: Apple Magic Trackpad 2 USB-C driver support
HID: rmi: Add select RMI4_F3A in Kconfig
HID: wacom: Interpret tilt data from Intuos Pro BT as signed values
HID: steelseries: Add capacity_level mapping
HID: steelseries: Fix battery requests stopping after some time
HID: hid-goodix: Fix HID get/set feature operation overwritten problem
HID: hid-goodix: Return 0 when receiving an empty HID feature package
HID: bpf: drop use of Logical|Physical|UsageRange
HID: bpf: Fix Rapoo M50 Plus Silent side buttons
HID: bpf: Fix NKRO on Mistel MD770
HID: replace BUG_ON() with WARN_ON()
HID: wacom: Set eraser status when either 'Eraser' or 'Invert' usage is set
HID: Kysona: add basic online status
HID: Kysona: check battery status every 5s using a workqueue
HID: Kysona: Add basic battery reporting for Kysona M600
HID: Add IDs for Kysona
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"Bindings:
- Enable dtc "interrupt_provider" warnings for binding examples. Fix
the warnings in fsl,mu-msi and ti,sci-inta due to this.
- Convert zii,rave-sp-wdt, zii,rave-sp-pwrbutton, and
altr,fpga-passive-serial to DT schema format
- Add some documentation on the different forms of YAML text blocks
which are a constant source of review comments
- Fix some schema errors in constraints for arrays
- Add compatibles for qcom,sar2130p-pdc and onnn,adt7462
DT core:
- Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n
- Add some warnings on deprecated address handling
- Rework early_init_dt_scan() so the arch can pass in the phys
address of the DTB as __pa() is not always valid to use. This fixes
a warning for arm64 with kexec.
- Add and use some new DT graph iterators for iterating over ports
and endpoints
- Rework reserved-memory handling to be sized dynamically for fixed
regions
- Optimize of_modalias() to avoid a strlen() call
- Constify struct device_node and property pointers where ever
possible"
* tag 'devicetree-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (36 commits)
of: Allow overlay kunit tests to run CONFIG_OF_OVERLAY=n
dt-bindings: interrupt-controller: qcom,pdc: Add SAR2130P compatible
of/address: Rework bus matching to avoid warnings
of: WARN on deprecated #address-cells/#size-cells handling
of/fdt: Don't use default address cell sizes for address translation
dt-bindings: Enable dtc "interrupt_provider" warnings
of/fdt: add dt_phys arg to early_init_dt_scan and early_init_dt_verify
dt-bindings: cache: qcom,llcc: Fix X1E80100 reg entries
dt-bindings: watchdog: convert zii,rave-sp-wdt.txt to yaml format
dt-bindings: input: convert zii,rave-sp-pwrbutton.txt to yaml
media: xilinx-tpg: use new of_graph functions
fbdev: omapfb: use new of_graph functions
gpu: drm: omapdrm: use new of_graph functions
ASoC: audio-graph-card2: use new of_graph functions
ASoC: audio-graph-card: use new of_graph functions
ASoC: test-component: use new of_graph functions
of: property: use new of_graph functions
of: property: add of_graph_get_next_port_endpoint()
of: property: add of_graph_get_next_port()
of: module: remove strlen() call in of_modalias()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay
Pull auxdisplay update from Andy Shevchenko:
- Move Holtek 16k33 driver to use agnostic i2c_get_match_data()
- Miscellaneuous cleanups
* tag 'auxdisplay-v6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay:
auxdisplay: Remove unused functions
auxdisplay: ht16k33: Make use of i2c_get_match_data()
auxdisplay: Drop explicit initialization of struct i2c_device_id::driver_data to 0
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for Ultra Capacity SD cards (SDUC, 2TB to 128TB)
- Add support for Ultra High-Speed II SD cards (UHS-II)
- Use a reset control for pwrseq_simple
- Add SD card quirk for broken poweroff notification
- Use GFP_NOIO for SD ACMD22
MMC host:
- bcm2835: Introduce proper clock handling
- mtk-sd: Add support for the Host-Software-Queue interface
- mtk-sd: Add support for the mt7988/mt8196 variants
- mtk-sd: Fix a couple of error paths in ->probe()
- sdhci: Add interface to support UHS-II SD cards
- sdhci_am654: Fixup support for changing the signal voltage level
- sdhci-cadence: Add support for the Microchip PIC64GX variant
- sdhci-esdhc-imx: Add support for eMMC HW-reset
- sdhci-msm: Add support for the X1E80100/IPQ5424/SAR2130P/QCS615 variants
- sdhci-of-arasan: Add support for eMMC HW-reset
- sdhci-pci-gli: Add UHS-II support for the GL9767/GL9755 variants
MEMSTICK:
- A couple of minor updates"
* tag 'mmc-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (78 commits)
mmc: pwrseq_simple: Handle !RESET_CONTROLLER properly
mmc: mtk-sd: Fix MMC_CAP2_CRYPTO flag setting
mmc: mtk-sd: Fix error handle of probe function
mmc: core: Correction a warning caused by incorrect type in assignment for UHS-II
mmc: sdhci-esdhc-imx: Update esdhc sysctl dtocv bitmask
mmc: sdhci-esdhc-imx: Implement emmc hardware reset
mmc: core: Correct type in variable assignment for UHS-II
mmc: sdhci-uhs2: correction a warning caused by incorrect type in argument
mmc: sdhci-uhs2: Remove unnecessary variables
mmc: sdhci-uhs2: Correct incorrect type in argument
mmc: sdhci: Make MMC_SDHCI_UHS2 config symbol invisible
mmc: sdhci-uhs2: Remove unnecessary NULL check
mmc: core: Fix error paths for UHS-II card init and re-init
mmc: core: Add error handling of sd_uhs2_power_up()
mmc: core: Simplify sd_uhs2_power_up()
mmc: bcm2835: Introduce proper clock handling
mmc: bcm2835: Fix type of current clock speed
dt-bindings: mmc: Add sdhci compatible for QCS615
mmc: core: Use GFP_NOIO in ACMD22
dt-bindings: mmc: sdhci-msm: Add SAR2130P compatible
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain updates from Ulf Hansson:
"pmdomain core:
- Set the required dev for a required OPP during genpd attach
- Add support for required OPPs to dev_pm_domain_attach_list()
pmdomain providers:
- ti: Enable GENPD_FLAG_ACTIVE_WAKEUP flag for ti_sci PM domains
- mediatek: Add support for MT6735 PM domains
- mediatek: Use OF-specific regulator API to get power domain supply
- qcom: Add support for the SM8750/SAR2130P/qcs615/qcs8300 rpmhpds
pmdomain consumers:
- Convert a couple of consumer drivers to
*_pm_domain_attach|detach_list()
opp core:
- Rework and cleanup some code that manages required OPPs
- Remove *_opp_attach|detach_genpd()"
* tag 'pmdomain-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (25 commits)
pmdomain: qcom: rpmhpd: Add rpmhpd support for SM8750
dt-bindings: power: qcom,rpmpd: document the SM8750 RPMh Power Domains
pmdomain: imx: Use of_property_present() for non-boolean properties
pmdomain: imx: gpcv2: replace dev_err() with dev_err_probe()
pmdomain: ti-sci: Use scope based of_node_put() to simplify code.
pmdomain: ti-sci: Add missing of_node_put() for args.np
pmdomain: ti-sci: set the GENPD_FLAG_ACTIVE_WAKEUP flag for all PM domains
pmdomain: mediatek: Add support for MT6735
pmdomain: qcom: rpmhpd: add support for SAR2130P
dt-bindings: power: Add binding for MediaTek MT6735 power controller
dt-bindings: power: rpmpd: Add SAR2130P compatible
OPP: Drop redundant *_opp_attach|detach_genpd()
cpufreq: qcom-nvmem: Convert to dev_pm_domain_attach|detach_list()
media: venus: Convert into devm_pm_domain_attach_list() for OPP PM domain
drm/tegra: gr3d: Convert into devm_pm_domain_attach_list()
OPP: Drop redundant code in _link_required_opps()
pmdomain: core: Set the required dev for a required OPP during genpd attach
pmdomain: core: Manage the default required OPP from a separate function
PM: domains: Support required OPPs in dev_pm_domain_attach_list()
OPP: Rework _set_required_devs() to manage a single device per call
...
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Three new drivers, support for some new models in existing ones and
lots of various tweaks and improvements across the board (switching to
using recommended APIs, code shrink and simplification, etc.).
Also a new feature in the character device uAPI where we now notify
the user-space about changes triggered by in-kernel users as well, not
only when they were done by other user-space agents.
Summary:
GPIOLIB core:
- use the new mem_is_zero() instead of memchr_inv(s, 0, n)
- don't store debounce period twice needlessly
- clean-up debugfs handling
- remove leftover comments referring to no longer used spinlocks
- unduplicate some operations like SRCU locks and initializing GPIO
descriptors
- constify the sysfs class struct
- use lock guards in GPIO sysfs code
- update GPIO uAPI internal flags all at once atomically for
consistency with other places
- modify the behavior of the sysfs interface by no longer exporting
lines that are named inside the driver code or board files with the
sysfs links bearing the line names as this has for many years been
largely unused due to the prevalence of DT, ACPI and firmware nodes
over board files and made the API inconsistent
- for GPIO interrupt providers: free irqs that are still requested by
users when removing the chip
GPIO uAPI:
- notify user-space about changes to GPIO lines' state (requested,
released, reconfigured) triggered from the kernel as well (until
now we'd only do this for changes triggered from user-space)
- to that end: modify the internal workings of the notification
mechanism by switching to an atomic notifier which allows us to
send events from atomic context
- also to that end store the debounce period in the GPIO descriptor
struct and not in the character device context struct
- while at it, also cover the corner-case of users introducing
changes over sysfs while others watch them via the character device
- don't report GPIO lines requested as interrupts as "used" to
user-space as it can still request them as GPIOs
New drivers:
- GPIO part of the MFD Congatec Board Controller
- PolarFire GPIO controller
- GPIOs on FTDI FT2232H
Driver improvements:
- use generic device property accessors instead of OF-specific ones
across many GPIO drivers (mpc8xxx, vf610, eic-sprd, davinci,
ts4900, xilinx, mvebu)
- use devres helpers to simplify error paths and either shrink or
entirely remove the driver's remove() callback (grgpio, amdpt,
menz127, max730x, ftgpio010, 74x164, ljca)
- use helper variables to store the address of pdev->dev and avoid
some line-breaks
- use device_for_each_child_node_scoped() to avoid having to put the
fwnode on breaks or errors (gpio-sim, gpio-dwapb, gpiolib-acpi)
- use a scoped bitmap to simplify the code and drop goto labels in
gpio-aggregator
- drop unneeded Kconfig dependencies on OF_GPIO (grgpio, mveby,
xilinx)
- add support for new models to gpio-aspeed, gpio-rockchip and
gpio-dwapb
- clean-up ACPI handling and some other bits in gpio-xgene-sb
- replace deprecated PCI functions in pcie-idio-24 and pci-idio-16
- allow to build davinci and mvebu drivers with COMPILE_TEST=y
- remove dead code in gpio-mb86s7x
- switch back to using platform_driver::remove() (after the
conversion to remove_new()) across the GPIO drivers
- remove remaining uses of GPIOF_ACTIVE_LOW across the tree and drop
this deprecated symbol
- convert the gpio-altera driver to no longer pull in the deprecated
legacy-of-mm-gpiochip.h header
- use of_property_present() instead of of_property_read_bool() in
gpiolib-of and gpio-rockchip
- allow to build the tegra186 driver on Tegra234 platforms in Kconfig
Late fixes:
- add a missing return value check after devm_kasprintf() to
gpio-grgpio
DT bindings:
- document the ngpios property of gpio-mmio
- add support for a new aspeed model
- fix the example for st,nomadik-gpio
Other:
- kernel doc and comments tweaks
- fix typos in TODO
- reorder headers alphabetically in some drivers
- fix incorrect format specifiers in gpio tools"
* tag 'gpio-updates-for-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (98 commits)
gpio: tegra186: Allow to enable driver on Tegra234
gpio: grgpio: Add NULL check in grgpio_probe
tools: gpio: Fix several incorrect format specifiers
gpio: mpfs: add CoreGPIO support
gpio: rockchip: support new version GPIO
gpio: rockchip: change the GPIO version judgment logic
gpio: rockchip: explan the format of the GPIO version ID
gpiolib: cdev: use !mem_is_zero() instead of memchr_inv(s, 0, n)
MAINTAINERS: add gpio driver to PolarFire entry
gpio: Get rid of GPIOF_ACTIVE_LOW
USB: gadget: pxa27x_udc: Avoid using GPIOF_ACTIVE_LOW
pcmcia: soc_common: Avoid using GPIOF_ACTIVE_LOW
leds: gpio: Avoid using GPIOF_ACTIVE_LOW
Input: gpio_keys_polled - avoid using GPIOF_ACTIVE_LOW
Input: gpio_keys - avoid using GPIOF_ACTIVE_LOW
gpio: Use of_property_present() for non-boolean properties
gpio: mpfs: add polarfire soc gpio support
gpio: altera: Drop legacy-of-mm-gpiochip.h header
gpio: pcie-idio-24: Replace deprecated PCI functions
gpio: pci-idio-16: Replace deprecated PCI functions
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm updates from Uwe Kleine-König:
"This contains a new abstraction for PWM waveforms that is more
expressive that the legacy one. Compared to the old abstraction it
contains a duty_offset member instead of polarity. This new
abstraction is already used in an ADC driver merged into the iio tree.
The new API requires changes to the lowlevel drivers. For now there
are two drivers that are converted to the new API (axi-pwmgen and
stm32). Converted drivers continue to work with the old API. Drivers
not yet converted only work with the older API.
Otherwise it's the usual collection of fixes, cleanups and dt doc
updates.
This time around thanks go to Andy Shevchenko, Clark Wang, Conor
Dooley, David Lechner, Dimitri Fedrau, Frank Li, Jun Li, Kelvin Zhang,
Krzysztof Kozlowski, Nuno Sa, Shen Lichuan and Trevor Gamblin for code
contributions, testing and review"
* tag 'pwm/for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: Assume a disabled PWM to emit a constant inactive output
pwm: core: export pwm_get_state_hw()
pwm: core: use device_match_name() instead of strcmp(dev_name(...
dt-bindings: pwm: adi,axi-pwmgen: Increase #pwm-cells to 3
pwm: imx27: Use clk_bulk_*() API to simplify clock handling
pwm: imx27: Workaround of the pwm output bug when decrease the duty cycle
pwm: axi-pwmgen: Enable FORCE_ALIGN by default
pwm: axi-pwmgen: Rename 0x10 register
dt-bindings: pwm: amlogic: Document C3 PWM
pwm: axi-pwmgen: Create a dedicated function for getting driver data from a chip
pwm: atmel-tcb: Use min() macro
pwm: stm32: Fix error checking for a regmap_read() call
pwm: Add kernel doc for members added to pwm_ops recently
pwm: Reorder symbols in core.c
pwm: stm32: Implementation of the waveform callbacks
pwm: axi-pwmgen: Implementation of the waveform callbacks
pwm: Add tracing for waveform callbacks
pwm: Provide new consumer API functions for waveforms
pwm: New abstraction for PWM waveforms
pwm: Add more locking
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"The only real core work we've got this time around is the completion
of the transition to the new host/target naming for the core APIs,
Kconfig still needs doing but that's a lot less invasive.
Otherwise the big changes are the new drivers that have been added:
- Completion of the conversion to spi_alloc_host()/_target() and
removal of the old naming.
- Cleanups for Rockchip drivers, these brought in a new logging
helper in the driver core for warnings during probe.
- Support for configuration of the word delay via spidev_test.
- Support for AMD HID2 controllers, Apple SPI controller and Realtek
SPI-NAND controllers"
* tag 'spi-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (58 commits)
spi: imx: support word delay
spi: imx: pass struct spi_transfer to prepare_transfer()
spi: cs42l43: Add GPIO speaker id support to the bridge configuration
spi: Delete useless checks
spi: apple: Remove unnecessary .owner for apple_spi_driver
spi: spidev_test: add support for word delay
spi: apple: Add driver for Apple SPI controller
spi: dt-bindings: apple,spi: Add binding for Apple SPI controllers
spi: Use of_property_present() for non-boolean properties
spi: zynqmp-gqspi: Undo runtime PM changes at driver exit time
spi: spi-mem: rtl-snand: Correctly handle DMA transfers
spi: tegra210-quad: Avoid shift-out-of-bounds
spi: axi-spi-engine: Emit trace events for spi transfers
dt-bindings: spi: sprd,sc9860-spi: convert to YAML
spi: Replace deprecated PCI functions
spi: dt-bindings: samsung: Add a compatible for samsung,exynos8895-spi
spi: spi-mem: Add Realtek SPI-NAND controller
dt-bindings: spi: Add realtek,rtl9301-snand
spi: make class structs const
spi: dt-bindings: brcm,bcm2835-aux-spi: Convert to dtschema
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This was a quite quiet release for regulators on the drivers front,
but we do have two small but useful core improvements:
- Improve handling of cases where DT platforms specify both DT and
init_data based configuration for a single regulator.
- A helper of_regulator_get_optional() to simplify writing generic
bindings for regulator consumers in subsystems.
There's also some YAML conversions for the DT bindings which are a big
part of the diffstat"
* tag 'regulator-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dt-bindings: qcom,rpmh: Correct PM8550VE supplies
regulator: Switch back to struct platform_driver::remove()
regulator: doc: remove documentation comment for regulator_init
regulator: doc: add missing documentation for init_cb
regulator: rk808: Restrict DVS GPIOs to the RK808 variant only
regulator: rk808: Use dev_err_probe() in the probe path
regulator: rk808: Perform trivial code cleanups
regulator: dt-bindings: qcom,qca6390-pmu: add more properties for wcn6855
regulator: dt-bindings: lltc,ltc3676: convert to YAML
regulator: core: Use fsleep() to get best sleep mechanism
regulator: core: remove machine init callback from config
regulator: core: add callback to perform runtime init
regulator: core: do not silently ignore provided init_data
regulator: max5970: Drop unused structs
regulator: dt-bindings: vctrl-regulator: convert to YAML
regulator: qcom-smd: make smd_vreg_rpm static
regulator: Call of_node_put() only once in rzg2l_usb_vbus_regulator_probe()
regulator: isl6271a: Drop explicit initialization of struct i2c_device_id::driver_data to 0
regulator: Add devres version of of_regulator_get_optional()
regulator: Add of_regulator_get_optional() for pure DT regulator lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"The main thing for regmap this time around is some improvements of the
lockdep annotations which stop some false positives. We also have one
new helper for setting a bitmask to the same value, and several test
improvements"
* tag 'regmap-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: provide regmap_assign_bits()
regmap: irq: Set lockdep class for hierarchical IRQ domains
regmap: maple: Provide lockdep (sub)class for maple tree's internal lock
regmap: kunit: Fix repeated test param
regcache: Improve documentation of available cache types
regmap: Specifically test writing 0 as a value to sparse caches
regmap-irq: Consistently use memset32() in regmap_irq_thread()
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ftrace updates from Steven Rostedt:
- Restructure the function graph shadow stack to prepare it for use
with kretprobes
With the goal of merging the shadow stack logic of function graph and
kretprobes, some more restructuring of the function shadow stack is
required.
Move out function graph specific fields from the fgraph
infrastructure and store it on the new stack variables that can pass
data from the entry callback to the exit callback.
Hopefully, with this change, the merge of kretprobes to use fgraph
shadow stacks will be ready by the next merge window.
- Make shadow stack 4k instead of using PAGE_SIZE.
Some architectures have very large PAGE_SIZE values which make its
use for shadow stacks waste a lot of memory.
- Give shadow stacks its own kmem cache.
When function graph is started, every task on the system gets a
shadow stack. In the future, shadow stacks may not be 4K in size.
Have it have its own kmem cache so that whatever size it becomes will
still be efficient in allocations.
- Initialize profiler graph ops as it will be needed for new updates to
fgraph
- Convert to use guard(mutex) for several ftrace and fgraph functions
- Add more comments and documentation
- Show function return address in function graph tracer
Add an option to show the caller of a function at each entry of the
function graph tracer, similar to what the function tracer does.
- Abstract out ftrace_regs from being used directly like pt_regs
ftrace_regs was created to store a partial pt_regs. It holds only the
registers and stack information to get to the function arguments and
return values. On several archs, it is simply a wrapper around
pt_regs. But some users would access ftrace_regs directly to get the
pt_regs which will not work on all archs. Make ftrace_regs an
abstract structure that requires all access to its fields be through
accessor functions.
- Show how long it takes to do function code modifications
When code modification for function hooks happen, it always had the
time recorded in how long it took to do the conversion. But this
value was never exported. Recently the code was touched due to new
ROX modification handling that caused a large slow down in doing the
modifications and had a significant impact on boot times.
Expose the timings in the dyn_ftrace_total_info file. This file was
created a while ago to show information about memory usage and such
to implement dynamic function tracing. It's also an appropriate file
to store the timings of this modification as well. This will make it
easier to see the impact of changes to code modification on boot up
timings.
- Other clean ups and small fixes
* tag 'ftrace-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (22 commits)
ftrace: Show timings of how long nop patching took
ftrace: Use guard to take ftrace_lock in ftrace_graph_set_hash()
ftrace: Use guard to take the ftrace_lock in release_probe()
ftrace: Use guard to lock ftrace_lock in cache_mod()
ftrace: Use guard for match_records()
fgraph: Use guard(mutex)(&ftrace_lock) for unregister_ftrace_graph()
fgraph: Give ret_stack its own kmem cache
fgraph: Separate size of ret_stack from PAGE_SIZE
ftrace: Rename ftrace_regs_return_value to ftrace_regs_get_return_value
selftests/ftrace: Fix check of return value in fgraph-retval.tc test
ftrace: Use arch_ftrace_regs() for ftrace_regs_*() macros
ftrace: Consolidate ftrace_regs accessor functions for archs using pt_regs
ftrace: Make ftrace_regs abstract from direct use
fgragh: No need to invoke the function call_filter_check_discard()
fgraph: Simplify return address printing in function graph tracer
function_graph: Remove unnecessary initialization in ftrace_graph_ret_addr()
function_graph: Support recording and printing the function return address
ftrace: Have calltime be saved in the fgraph storage
ftrace: Use a running sleeptime instead of saving on shadow stack
fgraph: Use fgraph data to store subtime for profiler
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext updates from Tejun Heo:
- Improve the default select_cpu() implementation making it topology
aware and handle WAKE_SYNC better.
- set_arg_maybe_null() was used to inform the verifier which ops args
could be NULL in a rather hackish way. Use the new __nullable CFI
stub tags instead.
- On Sapphire Rapids multi-socket systems, a BPF scheduler, by
hammering on the same queue across sockets, could live-lock the
system to the point where the system couldn't make reasonable forward
progress.
This could lead to soft-lockup triggered resets or stalling out
bypass mode switch and thus BPF scheduler ejection for tens of
minutes if not hours. After trying a number of mitigations, the
following set worked reliably:
- Injecting artificial cpu_relax() loops in two places while
sched_ext is trying to turn on the bypass mode.
- Triggering scheduler ejection when soft-lockup detection is
imminent (a quarter of threshold left).
While not the prettiest, the impact both in terms of code complexity
and overhead is minimal.
- A common complaint on the API is the overuse of the word "dispatch"
and the confusion around "consume". This is due to how the dispatch
queues became more generic over time. Rename the affected kfuncs for
clarity. Thanks to BPF's compatibility features, this change can be
made in a way that's both forward and backward compatible. The
compatibility code will be dropped in a few releases.
- Other misc changes
* tag 'sched_ext-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (21 commits)
sched_ext: Replace scx_next_task_picked() with switch_class() in comment
sched_ext: Rename scx_bpf_dispatch[_vtime]_from_dsq*() -> scx_bpf_dsq_move[_vtime]*()
sched_ext: Rename scx_bpf_consume() to scx_bpf_dsq_move_to_local()
sched_ext: Rename scx_bpf_dispatch[_vtime]() to scx_bpf_dsq_insert[_vtime]()
sched_ext: scx_bpf_dispatch_from_dsq_set_*() are allowed from unlocked context
sched_ext: add a missing rcu_read_lock/unlock pair at scx_select_cpu_dfl()
sched_ext: Clarify sched_ext_ops table for userland scheduler
sched_ext: Enable the ops breather and eject BPF scheduler on softlockup
sched_ext: Avoid live-locking bypass mode switching
sched_ext: Fix incorrect use of bitwise AND
sched_ext: Do not enable LLC/NUMA optimizations when domains overlap
sched_ext: Introduce NUMA awareness to the default idle selection policy
sched_ext: Replace set_arg_maybe_null() with __nullable CFI stub tags
sched_ext: Rename CFI stubs to names that are recognized by BPF
sched_ext: Introduce LLC awareness to the default idle selection policy
sched_ext: Clarify ops.select_cpu() for single-CPU tasks
sched_ext: improve WAKE_SYNC behavior for default idle CPU selection
sched_ext: Use btf_ids to resolve task_struct
sched/ext: Use tg_cgroup() to elieminate duplicate code
sched/ext: Fix unmatch trailing comment of CONFIG_EXT_GROUP_SCHED
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- cpu.stat now also shows niced CPU time
- Freezer and cpuset optimizations
- Other misc changes
* tag 'cgroup-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup/cpuset: Disable cpuset_cpumask_can_shrink() test if not load balancing
cgroup/cpuset: Further optimize code if CONFIG_CPUSETS_V1 not set
cgroup/cpuset: Enforce at most one rebuild_sched_domains_locked() call per operation
cgroup/cpuset: Revert "Allow suppression of sched domain rebuild in update_cpumasks_hier()"
MAINTAINERS: remove Zefan Li
cgroup/freezer: Add cgroup CGRP_FROZEN flag update helper
cgroup/freezer: Reduce redundant traversal for cgroup_freeze
cgroup/bpf: only cgroup v2 can be attached by bpf programs
Revert "cgroup: Fix memory leak caused by missing cgroup_bpf_offline"
selftests/cgroup: Fix compile error in test_cpu.c
cgroup/rstat: Selftests for niced CPU statistics
cgroup/rstat: Tracking cgroup-level niced CPU time
cgroup/cpuset: Fix spelling errors in file kernel/cgroup/cpuset.c
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