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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull pwm updates from Uwe Kleine-König:
"This time there are very little changes for pwm. There is nothing new,
just a few maintenance cleanups.
The contributors this time around were Krzysztof Kozlowski, Mingwei
Zheng, Philipp Stanner, and Stanislav Jakubek. Thanks!"
* tag 'pwm/for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
pwm: stm32: Add check for clk_enable()
dt-bindings: pwm: Correct indentation and style in DTS example
pwm: stm32-lp: Add check for clk_enable()
dt-bindings: pwm: marvell,berlin-pwm: Convert from txt to yaml
dt-bindings: pwm: sprd,ums512-pwm: convert to YAML
pwm: Replace deprecated PCI functions
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Share a helper to convert from crypto_profile to mmc_host
- Respect quirk_max_rate for non-UHS SDIO card too
MMC host:
- Add DT bindings for the mmc-slot
- Clarify DT bindings for the mmc-controller
- bcm2835: Add support for system-wide suspend/resume PM
- dw_mmc-exynos: Add support for the exynos8895 variant
- meson-mx-sdio: Convert DT bindings to dtschema
- mtk-sd: Fixup use of two register ranges
- mtk-sd: Add support for ignoring cmd response CRC
- sdhci-esdhc-imx: enable 'SDHCI_QUIRK_NO_LED' quirk for S32G
- sdhci-msm: Correctly set the load for the regulator
- sdhci-msm: Convert to use custom crypto profile
- sdhci-of-at91: Add support for the microchip sama7d65 variant"
* tag 'mmc-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (25 commits)
mmc: sdhci-msm: Correctly set the load for the regulator
mmc: hi3798mv200: Use syscon_regmap_lookup_by_phandle_args
mmc: Use of_property_present() for non-boolean properties
dt-bindings: mmc: samsung,exynos-dw-mshc: add specific compatible for exynos8895
mmc: sdhci-msm: convert to use custom crypto profile
mmc: crypto: add mmc_from_crypto_profile()
mmc: mtk-sd: Limit getting top_base to SoCs that require it
dt-bindings: mmc: mtk-sd: Document compatibles that need two register ranges
mmc: sdhci-acpi: Use devm_platform_ioremap_resource()
mmc: sdhci-acpi: Remove not so useful error message
dt-bindings: mmc: convert amlogic,meson-mx-sdio.txt to dtschema
dt-bindings: mmc: document mmc-slot
dt-bindings: mmc: controller: remove '|' when not needed
dt-bindings: mmc: controller: move properties common with slot out to mmc-controller-common
dt-bindings: mmc: controller: clarify the address-cells description
mmc: bcm2835: add suspend/resume pm support
dt-bindings: Drop Bhupesh Sharma from maintainers
mmc: core: don't include 'pm_wakeup.h' directly
mmc: mtk-sd: Add support for ignoring cmd response CRC
mmc: core: Introduce the MMC_RSP_R1B_NO_CRC response
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- PMBus client driver for Intel CRPS185 power supply
- PMBus client driver for Texas Instruments TPS25990
Chip support added to existing drivers:
- pmbus/max15301: Add support for MAX15303
- pmbus/adm1275: Add adm1273 support
- lm75: Add NXP P3T1755 support; with it, add I3C support to the
driver
- asus-ec-sensors: Add TUF GAMING X670E PLUS
Other notable changes:
- nct6683: Add customer IDs for several MSI and ASRock boards
- tmp108: Add regulator support
- Improve write protect support in PMBus core
- pmbus/dps920ab: Add ability to instantiate through i2c
- The hwmon core now accepts NULL as device name parameter to
[devm_]hwmon_device_register_with_info ans uses the parent device
name as fallback in that case
- The PMBus core now provides the PMBUs revision in a debugfs file
- asus-ec-sensors: Support for optional CPU fan on AMD 600
motherboards
- raspberrypi: Add PM suspend/resume support
- dell-smm: Enable manual fan control support on Dell XPS 9370
- pwm-fan: Default to maximum cooling level if provided
And various other minor fixes and improvements"
* tag 'hwmon-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (44 commits)
hwmon: pmbus: dps920ab: Add ability to instantiate through i2c
hwmon: (pwm-fan) Default to the Maximum cooling level if provided
hwmon: (asus_atk0110) Use str_enabled_disabled() and str_enable_disable() helpers
hwmon: Fix help text for aspeed-g6-pwm-tach
hwmon: (dell-smm) Add Dell XPS 9370 to fan control whitelist
hwmon: (acpi_power_meter) Fix update the power trip points on failure
hwmon: (acpi_power_meter) Fix uninitialized variables
hwmon: (core) Use device name as a fallback in devm_hwmon_device_register_with_info
hwmon: (pmbus/max15301) Add support for MAX15303
hwmon: (pmbus/adm1275) add adm1273 support
dt-bindings: hwmon: adm1275: add adm1273
hwmon: (nct6683) Add another customer ID for MSI
hwmon: (pwm-fan): Make use of device properties everywhere
hwmon: (lm75) add I3C support for P3T1755
hwmon: (lm75) separate probe into common and I2C parts
hwmon: (lm75) Remove superfluous 'client' member from private struct
hwmon: (lm75) simplify regulator handling
hwmon: (lm75) simplify lm75_write_config()
hwmon: (lm75) Hide register size differences in regmap access functions
hwmon: (pmbus/crps) Add Intel CRPS185 power supply
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
- Allow struct bin_attribute instances to be placed in read-only memory
for enhanced protection
- Fix a memory leak in the cht-wcove driver by using
devm_led_classdev_register()
- Fix an OF node reference leak in the netxbig driver
- Ensure PWM is disabled properly in pwm-multicolor suspend
- Add support for Texas Instruments LP8864, LP8864S, LP8866
LED-backlight drivers
- Add support for STMicroelectronics's LED1202 12-channel LED driver
- Convert LP8860 bindings to YAML format
- Add bindings for the TI LP8864/LP8866 LED drivers
- Add LED1202 LED controller bindings
- Fix path to color definitions in leds-class-multicolor.yaml
- Add pm660l compatible to qcom,spmi-flash-led bindings
- Extend cznic,turris-omnia-leds binding with interrupts property
- Add documentation for the STMicroelectronics LED1202 driver
- Add entry for AAEON UP board FPGA drivers in MAINTAINERS
- Fix a wrong format specifier in the ledtrig-activity driver
- Fix a bug in the lp8860 driver where only half of the EEPROM was
written
* tag 'leds-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (28 commits)
leds: triggers: Constify 'struct bin_attribute'
leds: cht-wcove: Use devm_led_classdev_register() to avoid memory leak
leds: lp8864: Add support for Texas Instruments LP8864, LP8864S, LP8866 LED-backlights
dt-bindings: leds: Convert LP8860 into YAML format
leds: Add LED1202 I2C driver
dt-bindings: leds: Add LED1202 LED Controller
Documentation:leds: Add leds-st1202.rst
leds: pwm-multicolor: Disable PWM when going to suspend
leds: netxbig: Fix an OF node reference leak in netxbig_leds_get_of_pdata()
turris-omnia-mcu-interface.h: Move macro definitions outside of enums
MAINTAINERS: Add entry for AAEON UP board FPGA drivers
leds: Add AAEON UP board LED driver
leds: trigger: netdev: Check offload ability on interface up
leds: turris-omnia: Use uppercase first letter in all comments
leds: turris-omnia: Use dev_err_probe() where appropriate
leds: turris-omnia: Inform about missing LED gamma correction feature in the MCU driver
platform: cznic: turris-omnia-mcu: Inform about missing LED panel brightness change interrupt feature
leds: turris-omnia: Notify sysfs on MCU global LEDs brightness change
leds: turris-omnia: Document driver private structures
dt-bindings: leds: cznic,turris-omnia-leds: Allow interrupts property
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd updates from Lee Jones:
- Fix race in device_node_get_regmap() using more extensive locking
- Remove unused platform driver support for syscon
- Allow syscon nodes to be registered without a "syscon" compatible
string
- Make `platform_data` pointer const in struct mfd_cell
- Revert support for multiple AXP PMICs to avoid regressions
- Increase SoundWire attach timeout and use gpiod_set_raw() for GPIO
operation
- Store the result from fault_log() for use by other sub-components
- Fix an invalid regmap-config max_register value
- Add another Gemini Lake ISA bridge PCI device ID
- Use devm_register_power_off_handler() to simplify code
- Add support for QNAP microcontroller units, including LEDs, input,
and hwmon
- Use MFD_CELL macros and remove unused code
- Add support for AAEON UP board FPGA
- Remove unused includes
- Fix various typos and compatibility issues in multiple bindings
- Add new bindings for rk3562 QoS, LED1202, and qcom,tcsr-ipq5424
- Convert several bindings to YAML schema
- Update sprd,sc2731 bindings to reference sprd,sc2731-efuse bindings
directly
- Fix rohm,bd71815 bindings by correcting resistor values and typos
- Documentation improvements:
- Add documentation for LED1202 and qnap-mcu-hwmon
- Adjust the file entry for the qnap-mcu header in MAINTAINERS
* tag 'mfd-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (35 commits)
MAINTAINERS: Adjust the file entry for the qnap-mcu header
dt-bindings: mfd: syscon: Fix ti,j784s4-acspcie-proxy-ctrl compatible
dt-bindings: mfd: syscon: Fix al,alpine-sysfabric-service compatible
Revert "mfd: axp20x: Allow multiple regulators"
dt-bindings: mfd: syscon: Add rk3562 QoS register compatible
mfd: syscon: Allow syscon nodes without a "syscon" compatible
mfd: syscon: Remove the platform driver support
mfd: syscon: Fix race in device_node_get_regmap()
dt-bindings: mfd: atmel: Convert to YAML schema
dt-bindings: mfd: atmel,at91sam9260: Convert to YAML schema
dt-bindings: mfd: sprd,sc2731: Reference sprd,sc2731-efuse bindings
mfd: tps65219: Remove unused macros & add regmap.h
mfd: tps65219: Use MFD_CELL macros
leds: Add LED1202 I2C driver
dt-bindings: leds: Add LED1202 LED Controller
Documentation:leds: Add leds-st1202.rst
mfd: Add support for AAEON UP board FPGA
mfd: da9052: Store result from fault_log
mfd: intel_soc_pmic_chtdc_ti: Fix invalid regmap-config max_register value
mfd: cs42l43: Use devres for remove as well
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"This is a fairly quiet release for the most part, though we do have
one really nice improvement in the spi-mem framework which will
improve performance for flash devices especially when built on by
changes in the MTD subsystem which are also due to be sent this merge
window.
There's also been some substantial work on some of the drivers,
highlights include:
- Support for per-operation bus frequency in the spi-mem framework,
meaning speeds are no longer limited by the slowest operation
- ACPI support and improved power management for Rockchip SFC
controllers
- Support for Atmel SAM7G5 QuadSPI and KEBA SPI controllers"
* tag 'spi-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (49 commits)
spi: pxa2xx: Introduce __lpss_ssp_update_priv() helper
spi: ti-qspi: Use syscon_regmap_lookup_by_phandle_args
spi: amd: Fix -Wuninitialized in amd_spi_exec_mem_op()
spi: spi-mem: Estimate the time taken by operations
spi: spi-mem: Create macros for DTR operation
spi: spi-mem: Reorder spi-mem macro assignments
spi: zynqmp-gqspi: Support per spi-mem operation frequency switches
spi: zynq-qspi: Support per spi-mem operation frequency switches
spi: spi-ti-qspi: Support per spi-mem operation frequency switches
spi: spi-sn-f-ospi: Support per spi-mem operation frequency switches
spi: rockchip-sfc: Support per spi-mem operation frequency switches
spi: nxp-fspi: Support per spi-mem operation frequency switches
spi: mxic: Support per spi-mem operation frequency switches
spi: mt65xx: Support per spi-mem operation frequency switches
spi: microchip-core-qspi: Support per spi-mem operation frequency switches
spi: fsl-qspi: Support per spi-mem operation frequency switches
spi: dw: Support per spi-mem operation frequency switches
spi: cadence-qspi: Support per spi-mem operation frequency switches
spi: amlogic-spifc-a1: Support per spi-mem operation frequency switches
spi: amd: Drop redundant check
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This was a very quiet release, aside from some smaller improvements we
have:
- Support for power budgeting on regulators, initially targeted at
some still in review support for PSE controllers but generally
useful
- Support for error interrupts from ROHM BD96801 devices
- Support for NXP PCA9452"
* tag 'regulator-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: dt-bindings: Add regulator-power-budget-milliwatt property
regulator: Add support for power budget
regulator: core: Resolve supply using of_node from regulator_config
regulator: of: Implement the unwind path of of_regulator_match()
regulator: tps65219: Remove debugging helper function
regulator: tps65219: Remove MODULE_ALIAS
regulator: tps65219: Update driver name
regulator: tps65219: Use dev_err_probe() instead of dev_err()
regulator: dt-bindings: mt6315: Drop regulator-compatible property
regulator: pca9450: Add PMIC pca9452 support
regulator: dt-bindings: pca9450: Add pca9452 support
regulator: pca9450: Use dev_err_probe() to simplify code
regulator: pca9450: add enable_value for all bucks
regulator: bd96801: Add ERRB IRQ
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Thanks to little activity in December, this is really tiny. Just a few
updates to drivers and device-tree bindings.
Driver improvements:
- support a new model in gpio-mpc8xxx
- refactor gpio-tqmx86 and add support for direction setting
- allow building gpio-omap with COMPILE_TEST=y
- use gpiochip_get_data() instead of dev_get_drvdata() in
gpio-twl6040
- drop unued field from driver data in gpio-altera
- use generic request/free callbacks in gpio-regmap for better
integration with pinctrl
- use dev_err_probe() where applicable in gpio-pca953x
- use existing dedicated GPIO defines in gpio-tps65219 instead of
custom ones
DT bindings:
- document a new model in fsl,qoriq-gpio
- explain the chip's latch clock pin and how it works like
chip-select in fairchild,74hc595
- enable the gpio-line-names property for gpio-brcmstb"
* tag 'gpio-updates-for-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: regmap: Use generic request/free ops
gpio: altera: Drop .mapped_irq from driver data
gpio: mpc8xxx: Add MPC8314 support
dt-bindings: gpio: fsl,qoriq-gpio: Add compatible string fsl,mpc8314-gpio
dt-bindings: gpio: fairchild,74hc595: Document chip select vs. latch clock
gpio: tps65219: Use existing kernel gpio macros
gpio: pca953x: log an error when failing to get the reset GPIO
dt-bindings: gpio: brcmstb: permit gpio-line-names property
gpio: tqmx86: add support for changing GPIO directions
gpio: tqmx86: introduce tqmx86_gpio_clrsetbits() helper
gpio: tqmx86: use cleanup guards for spinlock
gpio: tqmx86: consistently refer to IRQs by hwirq numbers
gpio: tqmx86: add macros for interrupt configuration
gpio: omap: allow building the module with COMPILE_TEST=y
gpio: twl4030: use gpiochip_get_data
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"This is slightly smaller than usual, with the most interesting work
being still around RTNL scope reduction.
Core:
- More core refactoring to reduce the RTNL lock contention, including
preparatory work for the per-network namespace RTNL lock, replacing
RTNL lock with a per device-one to protect NAPI-related net device
data and moving synchronize_net() calls outside such lock.
- Extend drop reasons usage, adding net scheduler, AF_UNIX, bridge
and more specific TCP coverage.
- Reduce network namespace tear-down time by removing per-subsystems
synchronize_net() in tipc and sched.
- Add flow label selector support for fib rules, allowing traffic
redirection based on such header field.
Netfilter:
- Do not remove netdev basechain when last device is gone, allowing
netdev basechains without devices.
- Revisit the flowtable teardown strategy, dealing better with fin,
reset and re-open events.
- Scale-up IP-vs connection dumping by avoiding linear search on each
restart.
Protocols:
- A significant XDP socket refactor, consolidating and optimizing
several helpers into the core
- Better scaling of ICMP rate-limiting, by removing false-sharing in
inet peers handling.
- Introduces netlink notifications for multicast IPv4 and IPv6
address changes.
- Add ipsec support for IP-TFS/AggFrag encapsulation, allowing
aggregation and fragmentation of the inner IP.
- Add sysctl to configure TIME-WAIT reuse delay for TCP sockets, to
avoid local port exhaustion issues when the average connection
lifetime is very short.
- Support updating keys (re-keying) for connections using kernel TLS
(for TLS 1.3 only).
- Support ipv4-mapped ipv6 address clients in smc-r v2.
- Add support for jumbo data packet transmission in RxRPC sockets,
gluing multiple data packets in a single UDP packet.
- Support RxRPC RACK-TLP to manage packet loss and retransmission in
conjunction with the congestion control algorithm.
Driver API:
- Introduce a unified and structured interface for reporting PHY
statistics, exposing consistent data across different H/W via
ethtool.
- Make timestamping selectable, allow the user to select the desired
hwtstamp provider (PHY or MAC) administratively.
- Add support for configuring a header-data-split threshold (HDS)
value via ethtool, to deal with partial or buggy H/W
implementation.
- Consolidate DSA drivers Energy Efficiency Ethernet support.
- Add EEE management to phylink, making use of the phylib
implementation.
- Add phylib support for in-band capabilities negotiation.
- Simplify how phylib-enabled mac drivers expose the supported
interfaces.
Tests and tooling:
- Make the YNL tool package-friendly to make it easier to deploy it
separately from the kernel.
- Increase TCP selftest coverage importing several packetdrill
test-cases.
- Regenerate the ethtool uapi header from the YNL spec, to ease
maintenance and future development.
- Add YNL support for decoding the link types used in net self-tests,
allowing a single build to run both net and drivers/net.
Drivers:
- Ethernet high-speed NICs:
- nVidia/Mellanox (mlx5):
- add cross E-Switch QoS support
- add SW Steering support for ConnectX-8
- implement support for HW-Managed Flow Steering, improving the
rule deletion/insertion rate
- support for multi-host LAG
- Intel (ixgbe, ice, igb):
- ice: add support for devlink health events
- ixgbe: add initial support for E610 chipset variant
- igb: add support for AF_XDP zero-copy
- Meta:
- add support for basic RSS config
- allow changing the number of channels
- add hardware monitoring support
- Broadcom (bnxt):
- implement TCP data split and HDS threshold ethtool support,
enabling Device Memory TCP.
- Marvell Octeon:
- implement egress ipsec offload support for the cn10k family
- Hisilicon (HIBMC):
- implement unicast MAC filtering
- Ethernet NICs embedded and virtual:
- Convert UDP tunnel drivers to NETDEV_PCPU_STAT_DSTATS, avoiding
contented atomic operations for drop counters
- Freescale:
- quicc: phylink conversion
- enetc: support Tx and Rx checksum offload and improve TSO
performances
- MediaTek:
- airoha: introduce support for ETS and HTB Qdisc offload
- Microchip:
- lan78XX USB: preparation work for phylink conversion
- Synopsys (stmmac):
- support DWMAC IP on NXP Automotive SoCs S32G2xx/S32G3xx/S32R45
- refactor EEE support to leverage the new driver API
- optimize DMA and cache access to increase raw RX performances
by 40%
- TI:
- icssg-prueth: add multicast filtering support for VLAN
interface
- netkit:
- add ability to configure head/tailroom
- VXLAN:
- accepts packets with user-defined reserved bit
- Ethernet switches:
- Microchip:
- lan969x: add RGMII support
- lan969x: improve TX and RX performance using the FDMA engine
- nVidia/Mellanox:
- move Tx header handling to PCI driver, to ease XDP support
- Ethernet PHYs:
- Texas Instruments DP83822:
- add support for GPIO2 clock output
- Realtek:
- 8169: add support for RTL8125D rev.b
- rtl822x: add hwmon support for the temperature sensor
- Microchip:
- add support for RDS PTP hardware
- consolidate periodic output signal generation
- CAN:
- several DT-bindings to DT schema conversions
- tcan4x5x:
- add HW standby support
- support nWKRQ voltage selection
- kvaser:
- allowing Bus Error Reporting runtime configuration
- WiFi:
- the on-going Multi-Link Operation (MLO) effort continues,
affecting both the stack and in drivers
- mac80211/cfg80211:
- Emergency Preparedness Communication Services (EPCS) station
mode support
- support for adding and removing station links for MLO
- add support for WiFi 7/EHT mesh over 320 MHz channels
- report Tx power info for each link
- RealTek (rtw88):
- enable USB Rx aggregation and USB 3 to improve performance
- LED support
- RealTek (rtw89):
- refactor power save to support Multi-Link Operations
- add support for RTL8922AE-VS variant
- MediaTek (mt76):
- single wiphy multiband support (preparation for MLO)
- p2p device support
- add TP-Link TXE50UH USB adapter support
- Qualcomm (ath10k):
- support for the QCA6698AQ IP core
- Qualcomm (ath12k):
- enable MLO for QCN9274
- Bluetooth:
- Allow sysfs to trigger hdev reset, to allow recovering devices
not responsive from user-space
- MediaTek: add support for MT7922, MT7925, MT7921e devices
- Realtek: add support for RTL8851BE devices
- Qualcomm: add support for WCN785x devices
- ISO: allow BIG re-sync"
* tag 'net-next-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1386 commits)
net/rose: prevent integer overflows in rose_setsockopt()
net: phylink: fix regression when binding a PHY
net: ethernet: ti: am65-cpsw: streamline TX queue creation and cleanup
net: ethernet: ti: am65-cpsw: streamline RX queue creation and cleanup
net: ethernet: ti: am65-cpsw: ensure proper channel cleanup in error path
ipv6: Convert inet6_rtm_deladdr() to per-netns RTNL.
ipv6: Convert inet6_rtm_newaddr() to per-netns RTNL.
ipv6: Move lifetime validation to inet6_rtm_newaddr().
ipv6: Set cfg.ifa_flags before device lookup in inet6_rtm_newaddr().
ipv6: Pass dev to inet6_addr_add().
ipv6: Convert inet6_ioctl() to per-netns RTNL.
ipv6: Hold rtnl_net_lock() in addrconf_init() and addrconf_cleanup().
ipv6: Hold rtnl_net_lock() in addrconf_dad_work().
ipv6: Hold rtnl_net_lock() in addrconf_verify_work().
ipv6: Convert net.ipv6.conf.${DEV}.XXX sysctl to per-netns RTNL.
ipv6: Add __in6_dev_get_rtnl_net().
net: stmmac: Drop redundant skb_mark_for_recycle() for SKB frags
net: mii: Fix the Speed display when the network cable is not connected
sysctl net: Remove macro checks for CONFIG_SYSCTL
eth: bnxt: update header sizing defaults
...
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git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"New:
- Support new EC if the memory region information comes from the CRS
ACPI resource descriptor in cros_ec_lpc
Improvements:
- Make sure EC is in RW before probing
- Only check events on MKBP notifies to reduce the number of query
commands in cros_ec_lpc
Cleanups:
- Remove unused code and DT bindings for cros-kbd-led-backlight
- Constify 'struct bin_attribute' in cros_ec_vbc
- Use str_enabled_disabled() in cros_usbpd_logger"
* tag 'chrome-platform-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_lpc: Handle EC without CRS section
platform/chrome: cros_usbpd_logger: Use str_enabled_disabled() helper
platform/chrome: cros_ec_lpc: Support direct EC register memory access
platform/chrome: cros_ec_lpc: Merge lpc_driver_ops into ec private structure
platform/chrome: Update ChromeOS EC command tracing
platform/chrome: cros_ec_lpc: Only check for events on MKBP notifies
platform/chrome: cros_ec_vbc: Constify 'struct bin_attribute'
dt-bindings: cros-ec: Remove google,cros-kbd-led-backlight
platform/chrome: cros_kbd_led_backlight: Remove OF match
platform/chrome: cros_ec_proto: remove unnecessary retries
platform/chrome: cros_ec: jump to RW before probing
platform/chrome: cros_kbd_led_backlight: remove unneeded if-statement
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Pull Documentation updates from Jonathan Corbet:
- Quite a bit of Chinese and Spanish translation work
- Clarifying that Git commit IDs >12chars are OK
- A new nvme-multipath document
- A reorganization of the admin-guide top-level page to make it
readable
- Clarification of the role of Acked-by and maintainer discretion on
their acceptance
- Some reorganization of debugging-oriented docs
... and typo fixes, documentation updates, etc as usual
* tag 'docs-6.14' of git://git.lwn.net/linux: (50 commits)
Documentation: Fix x86_64 UEFI outdated references to elilo
Documentation/sysctl: Add timer_migration to kernel.rst
docs/mm: Physical memory: Remove zone_t
docs: submitting-patches: clarify that signers may use their discretion on tags
docs: submitting-patches: clarify difference between Acked-by and Reviewed-by
docs: submitting-patches: clarify Acked-by and introduce "# Suffix"
Documentation: bug-hunting.rst: remove odd contact information
docs/zh_CN: Add sak index Chinese translation
doc: module: DEFAULT_SYMBOL_NAMESPACE must be defined before #includes
doc: module: Fix documented type of namespace
Documentation/kernel-parameters: Fix a reference to vga-softcursor.rst
docs/zh_CN: Add landlock index Chinese translation
Documentation: Fix typo localmodonfig -> localmodconfig
overlayfs.rst: Fix and improve grammar
docs/zh_CN: Add siphash index Chinese translation
docs/zh_CN: Add security IMA-templates Chinese translation
docs/zh_CN: Add security digsig Chinese translation
Align git commit ID abbreviation guidelines and checks
docs: process: submitting-patches: split canonical patch format section
docs/zh_CN: Add security lsm Chinese translation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- Finish the move to custom FFI integer types started in the previous
cycle and finally map 'long' to 'isize' and 'char' to 'u8'. Do a
few cleanups on top thanks to that.
- Start to use 'derive(CoercePointee)' on Rust >= 1.84.0.
This is a major milestone on the path to build the kernel using
only stable Rust features. In particular, previously we were using
the unstable features 'coerce_unsized', 'dispatch_from_dyn' and
'unsize', and now we will use the new 'derive_coerce_pointee' one,
which is on track to stabilization. This new feature is a macro
that essentially expands into code that internally uses the
unstable features that we were using before, without having to
expose those.
With it, stable Rust users, including the kernel, will be able to
build custom smart pointers that work with trait objects, e.g.:
fn f(p: &Arc<dyn Display>) {
pr_info!("{p}\n");
}
let a: Arc<dyn Display> = Arc::new(42i32, GFP_KERNEL)?;
let b: Arc<dyn Display> = Arc::new("hello there", GFP_KERNEL)?;
f(&a); // Prints "42".
f(&b); // Prints "hello there".
Together with the 'arbitrary_self_types' feature that we started
using in the previous cycle, using our custom smart pointers like
'Arc' will eventually only rely in stable Rust.
- Introduce 'PROCMACROLDFLAGS' environment variable to allow to link
Rust proc macros using different flags than those used for linking
Rust host programs (e.g. when 'rustc' uses a different C library
than the host programs' one), which Android needs.
- Help kernel builds under macOS with Rust enabled by accomodating
other naming conventions for dynamic libraries (i.e. '.so' vs.
'.dylib') which are used for Rust procedural macros. The actual
support for macOS (i.e. the rest of the pieces needed) is provided
out-of-tree by others, following the policy used for other parts of
the kernel by Kbuild.
- Run Clippy for 'rusttest' code too and clean the bits it spotted.
- Provide Clippy with the minimum supported Rust version to improve
the suggestions it gives.
- Document 'bindgen' 0.71.0 regression.
'kernel' crate:
- 'build_error!': move users of the hidden function to the documented
macro, prevent such uses in the future by moving the function
elsewhere and add the macro to the prelude.
- 'types' module: add improved version of 'ForeignOwnable::borrow_mut'
(which was removed in the past since it was problematic); change
'ForeignOwnable' pointer type to '*mut'.
- 'alloc' module: implement 'Display' for 'Box' and align the 'Debug'
implementation to it; add example (doctest) for 'ArrayLayout::new()'
- 'sync' module: document 'PhantomData' in 'Arc'; use
'NonNull::new_unchecked' in 'ForeignOwnable for Arc' impl.
- 'uaccess' module: accept 'Vec's with different allocators in
'UserSliceReader::read_all'.
- 'workqueue' module: enable run-testing a couple more doctests.
- 'error' module: simplify 'from_errno()'.
- 'block' module: fix formatting in code documentation (a lint to catch
these is being implemented).
- Avoid 'unwrap()'s in doctests, which also improves the examples by
showing how kernel code is supposed to be written.
- Avoid 'as' casts with 'cast{,_mut}' calls which are a bit safer.
And a few other cleanups"
* tag 'rust-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (32 commits)
kbuild: rust: add PROCMACROLDFLAGS
rust: uaccess: generalize userSliceReader to support any Vec
rust: kernel: add improved version of `ForeignOwnable::borrow_mut`
rust: kernel: reorder `ForeignOwnable` items
rust: kernel: change `ForeignOwnable` pointer to mut
rust: arc: split unsafe block, add missing comment
rust: types: avoid `as` casts
rust: arc: use `NonNull::new_unchecked`
rust: use derive(CoercePointee) on rustc >= 1.84.0
rust: alloc: add doctest for `ArrayLayout::new()`
rust: init: update `stack_try_pin_init` examples
rust: error: import `kernel`'s `LayoutError` instead of `core`'s
rust: str: replace unwraps with question mark operators
rust: page: remove unnecessary helper function from doctest
rust: rbtree: remove unwrap in asserts
rust: init: replace unwraps with question mark operators
rust: use host dylib naming convention to support macOS
rust: add `build_error!` to the prelude
rust: kernel: move `build_error` hidden function to prevent mistakes
rust: use the `build_error!` macro, not the hidden function
...
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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks
Pull kthread updates from Frederic Weisbecker:
"Kthreads affinity follow either of 4 existing different patterns:
1) Per-CPU kthreads must stay affine to a single CPU and never
execute relevant code on any other CPU. This is currently handled
by smpboot code which takes care of CPU-hotplug operations.
Affinity here is a correctness constraint.
2) Some kthreads _have_ to be affine to a specific set of CPUs and
can't run anywhere else. The affinity is set through
kthread_bind_mask() and the subsystem takes care by itself to
handle CPU-hotplug operations. Affinity here is assumed to be a
correctness constraint.
3) Per-node kthreads _prefer_ to be affine to a specific NUMA node.
This is not a correctness constraint but merely a preference in
terms of memory locality. kswapd and kcompactd both fall into this
category. The affinity is set manually like for any other task and
CPU-hotplug is supposed to be handled by the relevant subsystem so
that the task is properly reaffined whenever a given CPU from the
node comes up. Also care should be taken so that the node affinity
doesn't cross isolated (nohz_full) cpumask boundaries.
4) Similar to the previous point except kthreads have a _preferred_
affinity different than a node. Both RCU boost kthreads and RCU
exp kworkers fall into this category as they refer to "RCU nodes"
from a distinctly distributed tree.
Currently the preferred affinity patterns (3 and 4) have at least 4
identified users, with more or less success when it comes to handle
CPU-hotplug operations and CPU isolation. Each of which do it in its
own ad-hoc way.
This is an infrastructure proposal to handle this with the following
API changes:
- kthread_create_on_node() automatically affines the created kthread
to its target node unless it has been set as per-cpu or bound with
kthread_bind[_mask]() before the first wake-up.
- kthread_affine_preferred() is a new function that can be called
right after kthread_create_on_node() to specify a preferred
affinity different than the specified node.
When the preferred affinity can't be applied because the possible
targets are offline or isolated (nohz_full), the kthread is affine to
the housekeeping CPUs (which means to all online CPUs most of the time
or only the non-nohz_full CPUs when nohz_full= is set).
kswapd, kcompactd, RCU boost kthreads and RCU exp kworkers have been
converted, along with a few old drivers.
Summary of the changes:
- Consolidate a bunch of ad-hoc implementations of
kthread_run_on_cpu()
- Introduce task_cpu_fallback_mask() that defines the default last
resort affinity of a task to become nohz_full aware
- Add some correctness check to ensure kthread_bind() is always
called before the first kthread wake up.
- Default affine kthread to its preferred node.
- Convert kswapd / kcompactd and remove their halfway working ad-hoc
affinity implementation
- Implement kthreads preferred affinity
- Unify kthread worker and kthread API's style
- Convert RCU kthreads to the new API and remove the ad-hoc affinity
implementation"
* tag 'kthread-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks:
kthread: modify kernel-doc function name to match code
rcu: Use kthread preferred affinity for RCU exp kworkers
treewide: Introduce kthread_run_worker[_on_cpu]()
kthread: Unify kthread_create_on_cpu() and kthread_create_worker_on_cpu() automatic format
rcu: Use kthread preferred affinity for RCU boost
kthread: Implement preferred affinity
mm: Create/affine kswapd to its preferred node
mm: Create/affine kcompactd to its preferred node
kthread: Default affine kthread to its preferred NUMA node
kthread: Make sure kthread hasn't started while binding it
sched,arm64: Handle CPU isolation on last resort fallback rq selection
arm64: Exclude nohz_full CPUs from 32bits el0 support
lib: test_objpool: Use kthread_run_on_cpu()
kallsyms: Use kthread_run_on_cpu()
soc/qman: test: Use kthread_run_on_cpu()
arm/bL_switcher: Use kthread_run_on_cpu()
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Pull drm updates from Dave Airlie:
"There are two external interactions of note, the msm tree pull in some
opp tree, hopefully the opp tree arrives from the same git tree
however it normally does.
There is also a new cgroup controller for device memory, that is used
by drm, so is merging through my tree. This will hopefully help open
up gpu cgroup usage a bit more and move us forward.
There is a new accelerator driver for the AMD XDNA Ryzen AI NPUs.
Then the usual xe/amdgpu/i915/msm leaders and lots of changes and
refactors across the board:
core:
- device memory cgroup controller added
- Remove driver date from drm_driver
- Add drm_printer based hex dumper
- drm memory stats docs update
- scheduler documentation improvements
new driver:
- amdxdna - Ryzen AI NPU support
connector:
- add a mutex to protect ELD
- make connector setup two-step
panels:
- Introduce backlight quirks infrastructure
- New panels: KDB KD116N2130B12, Tianma TM070JDHG34-00,
- Multi-Inno Technology MI1010Z1T-1CP11
bridge:
- ti-sn65dsi83: Add ti,lvds-vod-swing optional properties
- Provide default implementation of atomic_check for HDMI bridges
- it605: HDCP improvements, MCCS Support
xe:
- make OA buffer size configurable
- GuC capture fixes
- add ufence and g2h flushes
- restore system memory GGTT mappings
- ioctl fixes
- SRIOV PF scheduling priority
- allow fault injection
- lots of improvements/refactors
- Enable GuC's WA_DUAL_QUEUE for newer platforms
- IRQ related fixes and improvements
i915:
- More accurate engine busyness metrics with GuC submission
- Ensure partial BO segment offset never exceeds allowed max
- Flush GuC CT receive tasklet during reset preparation
- Some DG2 refactor to fix DG2 bugs when operating with certain CPUs
- Fix DG1 power gate sequence
- Enabling uncompressed 128b/132b UHBR SST
- Handle hdmi connector init failures, and no HDMI/DP cases
- More robust engine resets on Haswell and older
i915/xe display:
- HDCP fixes for Xe3Lpd
- New GSC FW ARL-H/ARL-U
- support 3 VDSC engines 12 slices
- MBUS joining sanitisation
- reconcile i915/xe display power mgmt
- Xe3Lpd fixes
- UHBR rates for Thunderbolt
amdgpu:
- DRM panic support
- track BO memory stats at runtime
- Fix max surface handling in DC
- Cleaner shader support for gfx10.3 dGPUs
- fix drm buddy trim handling
- SDMA engine reset updates
- Fix doorbell ttm cleanup
- RAS updates
- ISP updates
- SDMA queue reset support
- Rework DPM powergating interfaces
- Documentation updates and cleanups
- DCN 3.5 updates
- Use a pm notifier to more gracefully handle VRAM eviction on
suspend or hibernate
- Add debugfs interfaces for forcing scheduling to specific engine
instances
- GG 9.5 updates
- IH 4.4 updates
- Make missing optional firmware less noisy
- PSP 13.x updates
- SMU 13.x updates
- VCN 5.x updates
- JPEG 5.x updates
- GC 12.x updates
- DC FAMS updates
amdkfd:
- GG 9.5 updates
- Logging improvements
- Shader debugger fixes
- Trap handler cleanup
- Cleanup includes
- Eviction fence wq fix
msm:
- MDSS:
- properly described UBWC registers
- added SM6150 (aka QCS615) support
- DPU:
- added SM6150 (aka QCS615) support
- enabled wide planes if virtual planes are enabled (by using two
SSPPs for a single plane)
- added CWB hardware blocks support
- DSI:
- added SM6150 (aka QCS615) support
- GPU:
- Print GMU core fw version
- GMU bandwidth voting for a740 and a750
- Expose uche trap base via uapi
- UAPI error reporting
rcar-du:
- Add r8a779h0 Support
ivpu:
- Fix qemu crash when using passthrough
nouveau:
- expose GSP-RM logging buffers via debugfs
panfrost:
- Add MT8188 Mali-G57 MC3 support
rockchip:
- Gamma LUT support
hisilicon:
- new HIBMC support
virtio-gpu:
- convert to helpers
- add prime support for scanout buffers
v3d:
- Add DRM_IOCTL_V3D_PERFMON_SET_GLOBAL
vc4:
- Add support for BCM2712
vkms:
- line-per-line compositing algorithm to improve performance
zynqmp:
- Add DP audio support
mediatek:
- dp: Add sdp path reset
- dp: Support flexible length of DP calibration data
etnaviv:
- add fdinfo memory support
- add explicit reset handling"
* tag 'drm-next-2025-01-17' of https://gitlab.freedesktop.org/drm/kernel: (1070 commits)
drm/bridge: fix documentation for the hdmi_audio_prepare() callback
doc/cgroup: Fix title underline length
drm/doc: Include new drm-compute documentation
cgroup/dmem: Fix parameters documentation
cgroup/dmem: Select PAGE_COUNTER
kernel/cgroup: Remove the unused variable climit
drm/display: hdmi: Do not read EDID on disconnected connectors
drm/tests: hdmi: Add connector disablement test
drm/connector: hdmi: Do atomic check when necessary
drm/amd/display: 3.2.316
drm/amd/display: avoid reset DTBCLK at clock init
drm/amd/display: improve dpia pre-train
drm/amd/display: Apply DML21 Patches
drm/amd/display: Use HW lock mgr for PSR1
drm/amd/display: Revised for Replay Pseudo vblank control
drm/amd/display: Add a new flag for replay low hz
drm/amd/display: Remove unused read_ono_state function from Hwss module
drm/amd/display: Do not elevate mem_type change to full update
drm/amd/display: Do not wait for PSR disable on vbl enable
drm/amd/display: Remove unnecessary eDP power down
...
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ftrace updates from Steven Rostedt:
- Have fprobes built on top of function graph infrastructure
The fprobe logic is an optimized kprobe that uses ftrace to attach to
functions when a probe is needed at the start or end of the function.
The fprobe and kretprobe logic implements a similar method as the
function graph tracer to trace the end of the function. That is to
hijack the return address and jump to a trampoline to do the trace
when the function exits. To do this, a shadow stack needs to be
created to store the original return address. Fprobes and function
graph do this slightly differently. Fprobes (and kretprobes) has
slots per callsite that are reserved to save the return address. This
is fine when just a few points are traced. But users of fprobes, such
as BPF programs, are starting to add many more locations, and this
method does not scale.
The function graph tracer was created to trace all functions in the
kernel. In order to do this, when function graph tracing is started,
every task gets its own shadow stack to hold the return address that
is going to be traced. The function graph tracer has been updated to
allow multiple users to use its infrastructure. Now have fprobes be
one of those users. This will also allow for the fprobe and kretprobe
methods to trace the return address to become obsolete. With new
technologies like CFI that need to know about these methods of
hijacking the return address, going toward a solution that has only
one method of doing this will make the kernel less complex.
- Cleanup with guard() and free() helpers
There were several places in the code that had a lot of "goto out" in
the error paths to either unlock a lock or free some memory that was
allocated. But this is error prone. Convert the code over to use the
guard() and free() helpers that let the compiler unlock locks or free
memory when the function exits.
- Remove disabling of interrupts in the function graph tracer
When function graph tracer was first introduced, it could race with
interrupts and NMIs. To prevent that race, it would disable
interrupts and not trace NMIs. But the code has changed to allow NMIs
and also interrupts. This change was done a long time ago, but the
disabling of interrupts was never removed. Remove the disabling of
interrupts in the function graph tracer is it is not needed. This
greatly improves its performance.
- Allow the :mod: command to enable tracing module functions on the
kernel command line.
The function tracer already has a way to enable functions to be
traced in modules by writing ":mod:<module>" into set_ftrace_filter.
That will enable either all the functions for the module if it is
loaded, or if it is not, it will cache that command, and when the
module is loaded that matches <module>, its functions will be
enabled. This also allows init functions to be traced. But currently
events do not have that feature.
Because enabling function tracing can be done very early at boot up
(before scheduling is enabled), the commands that can be done when
function tracing is started is limited. Having the ":mod:" command to
trace module functions as they are loaded is very useful. Update the
kernel command line function filtering to allow it.
* tag 'ftrace-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (26 commits)
ftrace: Implement :mod: cache filtering on kernel command line
tracing: Adopt __free() and guard() for trace_fprobe.c
bpf: Use ftrace_get_symaddr() for kprobe_multi probes
ftrace: Add ftrace_get_symaddr to convert fentry_ip to symaddr
Documentation: probes: Update fprobe on function-graph tracer
selftests/ftrace: Add a test case for repeating register/unregister fprobe
selftests: ftrace: Remove obsolate maxactive syntax check
tracing/fprobe: Remove nr_maxactive from fprobe
fprobe: Add fprobe_header encoding feature
fprobe: Rewrite fprobe on function-graph tracer
s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC
ftrace: Add CONFIG_HAVE_FTRACE_GRAPH_FUNC
bpf: Enable kprobe_multi feature if CONFIG_FPROBE is enabled
tracing/fprobe: Enable fprobe events with CONFIG_DYNAMIC_FTRACE_WITH_ARGS
tracing: Add ftrace_fill_perf_regs() for perf event
tracing: Add ftrace_partial_regs() for converting ftrace_regs to pt_regs
fprobe: Use ftrace_regs in fprobe exit handler
fprobe: Use ftrace_regs in fprobe entry handler
fgraph: Pass ftrace_regs to retfunc
fgraph: Replace fgraph_ret_regs with ftrace_regs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Uladzislau Rezki:
"Misc fixes:
- check if IRQs are disabled in rcu_exp_need_qs()
- instrument KCSAN exclusive-writer assertions
- add extra WARN_ON_ONCE() check
- set the cpu_no_qs.b.exp under lock
- warn if callback enqueued on offline CPU
Torture-test updates:
- add rcutorture.preempt_duration kernel module parameter
- make the TREE03 scenario do preemption
- improve pooling timeouts for rcu_torture_writer()
- improve output of "Failure/close-call rcutorture reader segments"
- add some reader-state debugging checks
- update doc of polled APIs
- add extra diagnostics for per-reader-segment preemption
- add an extra test for sched_clock()
- improve testing on unresponsive systems
SRCU updates:
- improve doc for srcu_read_lock() in terms of return value
- fix typo in comments
- remove redundant GP sequence checks in the srcu_funnel_gp_start"
* tag 'rcu.release.v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (31 commits)
srcu: Remove redundant GP sequence checks in srcu_funnel_gp_start
srcu: Fix typo s/srcu_check_read_flavor()/__srcu_check_read_flavor()/
srcu: Guarantee non-negative return value from srcu_read_lock()
MAINTAINERS: Update RCU git tree
rcu: Add lockdep_assert_irqs_disabled() to rcu_exp_need_qs()
rcu: Add KCSAN exclusive-writer assertions for rdp->cpu_no_qs.b.exp
rcu: Make preemptible rcu_exp_handler() check idempotency
rcu: Replace open-coded rcu_exp_need_qs() from rcu_exp_handler() with call
rcu: Move rcu_report_exp_rdp() setting of ->cpu_no_qs.b.exp under lock
rcu: Make rcu_report_exp_cpu_mult() caller acquire lock
rcu: Report callbacks enqueued on offline CPU blind spot
rcutorture: Use symbols for SRCU reader flavors
rcutorture: Add per-reader-segment preemption diagnostics
rcutorture: Read CPU ID for decoration protected by both reader types
rcutorture: Add preempt_count() to rcutorture_one_extend_check() diagnostics
rcutorture: Add parameters to control polled/conditional wait interval
rcutorture: Add documentation for recent conditional and polled APIs
rcutorture: Ignore attempts to test preemption and forward progress
rcutorture: Make rcutorture_one_extend() check reader state
rcutorture: Pretty-print rcutorture reader segments
...
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git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching updates from Petr Mladek:
- Add a sysfs attribute showing the livepatch ordering
- Some code clean up
* tag 'livepatching-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
selftests: livepatch: add test cases of stack_order sysfs interface
livepatch: Add stack_order sysfs attribute
selftests/livepatch: Replace hardcoded module name with variable in test-callbacks.sh
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Fair scheduler (SCHED_FAIR) enhancements:
- Behavioral improvements:
- Untangle NEXT_BUDDY and pick_next_task() (Peter Zijlstra)
- Delayed-dequeue enhancements & fixes: (Vincent Guittot)
- Rename h_nr_running into h_nr_queued
- Add new cfs_rq.h_nr_runnable
- Use the new cfs_rq.h_nr_runnable
- Removed unsued cfs_rq.h_nr_delayed
- Rename cfs_rq.idle_h_nr_running into h_nr_idle
- Remove unused cfs_rq.idle_nr_running
- Rename cfs_rq.nr_running into nr_queued
- Do not try to migrate delayed dequeue task
- Fix variable declaration position
- Encapsulate set custom slice in a __setparam_fair() function
- Fixes:
- Fix race between yield_to() and try_to_wake_up() (Tianchen Ding)
- Fix CPU bandwidth limit bypass during CPU hotplug (Vishal
Chourasia)
- Cleanups:
- Clean up in migrate_degrades_locality() to improve readability
(Peter Zijlstra)
- Mark m*_vruntime() with __maybe_unused (Andy Shevchenko)
- Update comments after sched_tick() rename (Sebastian Andrzej
Siewior)
- Remove CONFIG_CFS_BANDWIDTH=n definition of cfs_bandwidth_used()
(Valentin Schneider)
Deadline scheduler (SCHED_DL) enhancements:
- Restore dl_server bandwidth on non-destructive root domain changes
(Juri Lelli)
- Correctly account for allocated bandwidth during hotplug (Juri
Lelli)
- Check bandwidth overflow earlier for hotplug (Juri Lelli)
- Clean up goto label in pick_earliest_pushable_dl_task() (John
Stultz)
- Consolidate timer cancellation (Wander Lairson Costa)
Load-balancer enhancements:
- Improve performance by prioritizing migrating eligible tasks in
sched_balance_rq() (Hao Jia)
- Do not compute NUMA Balancing stats unnecessarily during
load-balancing (K Prateek Nayak)
- Do not compute overloaded status unnecessarily during
load-balancing (K Prateek Nayak)
Generic scheduling code enhancements:
- Use READ_ONCE() in task_on_rq_queued(), to consistently use the
WRITE_ONCE() updated ->on_rq field (Harshit Agarwal)
Isolated CPUs support enhancements: (Waiman Long)
- Make "isolcpus=nohz" equivalent to "nohz_full"
- Consolidate housekeeping cpumasks that are always identical
- Remove HK_TYPE_SCHED
- Unify HK_TYPE_{TIMER|TICK|MISC} to HK_TYPE_KERNEL_NOISE
RSEQ enhancements:
- Validate read-only fields under DEBUG_RSEQ config (Mathieu
Desnoyers)
PSI enhancements:
- Fix race when task wakes up before psi_sched_switch() adjusts flags
(Chengming Zhou)
IRQ time accounting performance enhancements: (Yafang Shao)
- Define sched_clock_irqtime as static key
- Don't account irq time if sched_clock_irqtime is disabled
Virtual machine scheduling enhancements:
- Don't try to catch up excess steal time (Suleiman Souhlal)
Heterogenous x86 CPU scheduling enhancements: (K Prateek Nayak)
- Convert "sysctl_sched_itmt_enabled" to boolean
- Use guard() for itmt_update_mutex
- Move the "sched_itmt_enabled" sysctl to debugfs
- Remove x86_smt_flags and use cpu_smt_flags directly
- Use x86_sched_itmt_flags for PKG domain unconditionally
Debugging code & instrumentation enhancements:
- Change need_resched warnings to pr_err() (David Rientjes)
- Print domain name in /proc/schedstat (K Prateek Nayak)
- Fix value reported by hot tasks pulled in /proc/schedstat (Peter
Zijlstra)
- Report the different kinds of imbalances in /proc/schedstat
(Swapnil Sapkal)
- Move sched domain name out of CONFIG_SCHED_DEBUG (Swapnil Sapkal)
- Update Schedstat version to 17 (Swapnil Sapkal)"
* tag 'sched-core-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (48 commits)
rseq: Fix rseq unregistration regression
psi: Fix race when task wakes up before psi_sched_switch() adjusts flags
sched, psi: Don't account irq time if sched_clock_irqtime is disabled
sched: Don't account irq time if sched_clock_irqtime is disabled
sched: Define sched_clock_irqtime as static key
sched/fair: Do not compute overloaded status unnecessarily during lb
sched/fair: Do not compute NUMA Balancing stats unnecessarily during lb
x86/topology: Use x86_sched_itmt_flags for PKG domain unconditionally
x86/topology: Remove x86_smt_flags and use cpu_smt_flags directly
x86/itmt: Move the "sched_itmt_enabled" sysctl to debugfs
x86/itmt: Use guard() for itmt_update_mutex
x86/itmt: Convert "sysctl_sched_itmt_enabled" to boolean
sched/core: Prioritize migrating eligible tasks in sched_balance_rq()
sched/debug: Change need_resched warnings to pr_err
sched/fair: Encapsulate set custom slice in a __setparam_fair() function
sched: Fix race between yield_to() and try_to_wake_up()
docs: Update Schedstat version to 17
sched/stats: Print domain name in /proc/schedstat
sched: Move sched domain name out of CONFIG_SCHED_DEBUG
sched: Report the different kinds of imbalances in /proc/schedstat
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar:
"Miscellaneous x86 cleanups and typo fixes, and also the removal of
the 'disablelapic' boot parameter"
* tag 'x86-cleanups-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioapic: Remove a stray tab in the IO-APIC type string
x86/cpufeatures: Remove "AMD" from the comments to the AMD-specific leaf
Documentation/kernel-parameters: Fix a typo in kvm.enable_virt_at_load text
x86/cpu: Fix typo in x86_match_cpu()'s doc
x86/apic: Remove "disablelapic" cmdline option
Documentation: Merge x86-specific boot options doc into kernel-parameters.txt
x86/ioremap: Remove unused size parameter in remapping functions
x86/ioremap: Simplify setup_data mapping variants
x86/boot/compressed: Remove unused header includes from kaslr.c
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance events updates from Ingo Molnar:
"Seqlock optimizations that arose in a perf context and were merged
into the perf tree:
- seqlock: Add raw_seqcount_try_begin (Suren Baghdasaryan)
- mm: Convert mm_lock_seq to a proper seqcount (Suren Baghdasaryan)
- mm: Introduce mmap_lock_speculate_{try_begin|retry} (Suren
Baghdasaryan)
- mm/gup: Use raw_seqcount_try_begin() (Peter Zijlstra)
Core perf enhancements:
- Reduce 'struct page' footprint of perf by mapping pages in advance
(Lorenzo Stoakes)
- Save raw sample data conditionally based on sample type (Yabin Cui)
- Reduce sampling overhead by checking sample_type in
perf_sample_save_callchain() and perf_sample_save_brstack() (Yabin
Cui)
- Export perf_exclude_event() (Namhyung Kim)
Uprobes scalability enhancements: (Andrii Nakryiko)
- Simplify find_active_uprobe_rcu() VMA checks
- Add speculative lockless VMA-to-inode-to-uprobe resolution
- Simplify session consumer tracking
- Decouple return_instance list traversal and freeing
- Ensure return_instance is detached from the list before freeing
- Reuse return_instances between multiple uretprobes within task
- Guard against kmemdup() failing in dup_return_instance()
AMD core PMU driver enhancements:
- Relax privilege filter restriction on AMD IBS (Namhyung Kim)
AMD RAPL energy counters support: (Dhananjay Ugwekar)
- Introduce topology_logical_core_id() (K Prateek Nayak)
- Remove the unused get_rapl_pmu_cpumask() function
- Remove the cpu_to_rapl_pmu() function
- Rename rapl_pmu variables
- Make rapl_model struct global
- Add arguments to the init and cleanup functions
- Modify the generic variable names to *_pkg*
- Remove the global variable rapl_msrs
- Move the cntr_mask to rapl_pmus struct
- Add core energy counter support for AMD CPUs
Intel core PMU driver enhancements:
- Support RDPMC 'metrics clear mode' feature (Kan Liang)
- Clarify adaptive PEBS processing (Kan Liang)
- Factor out functions for PEBS records processing (Kan Liang)
- Simplify the PEBS records processing for adaptive PEBS (Kan Liang)
Intel uncore driver enhancements: (Kan Liang)
- Convert buggy pmu->func_id use to pmu->registered
- Support more units on Granite Rapids"
* tag 'perf-core-2025-01-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
perf: map pages in advance
perf/x86/intel/uncore: Support more units on Granite Rapids
perf/x86/intel/uncore: Clean up func_id
perf/x86/intel: Support RDPMC metrics clear mode
uprobes: Guard against kmemdup() failing in dup_return_instance()
perf/x86: Relax privilege filter restriction on AMD IBS
perf/core: Export perf_exclude_event()
uprobes: Reuse return_instances between multiple uretprobes within task
uprobes: Ensure return_instance is detached from the list before freeing
uprobes: Decouple return_instance list traversal and freeing
uprobes: Simplify session consumer tracking
uprobes: add speculative lockless VMA-to-inode-to-uprobe resolution
uprobes: simplify find_active_uprobe_rcu() VMA checks
mm: introduce mmap_lock_speculate_{try_begin|retry}
mm: convert mm_lock_seq to a proper seqcount
mm/gup: Use raw_seqcount_try_begin()
seqlock: add raw_seqcount_try_begin
perf/x86/rapl: Add core energy counter support for AMD CPUs
perf/x86/rapl: Move the cntr_mask to rapl_pmus struct
perf/x86/rapl: Remove the global variable rapl_msrs
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV updates from Borislav Petkov:
- A segmented Reverse Map table (RMP) is a across-nodes distributed
table of sorts which contains per-node descriptors of each node-local
4K page, denoting its ownership (hypervisor, guest, etc) in the realm
of confidential computing. Add support for such a table in order to
improve referential locality when accessing or modifying RMP table
entries
- Add support for reading the TSC in SNP guests by removing any
interference or influence the hypervisor might have, with the goal of
making a confidential guest even more independent from the hypervisor
* tag 'x86_sev_for_v6.14_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Add the Secure TSC feature for SNP guests
x86/tsc: Init the TSC for Secure TSC guests
x86/sev: Mark the TSC in a secure TSC guest as reliable
x86/sev: Prevent RDTSC/RDTSCP interception for Secure TSC enabled guests
x86/sev: Prevent GUEST_TSC_FREQ MSR interception for Secure TSC enabled guests
x86/sev: Change TSC MSR behavior for Secure TSC enabled guests
x86/sev: Add Secure TSC support for SNP guests
x86/sev: Relocate SNP guest messaging routines to common code
x86/sev: Carve out and export SNP guest messaging init routines
virt: sev-guest: Replace GFP_KERNEL_ACCOUNT with GFP_KERNEL
virt: sev-guest: Remove is_vmpck_empty() helper
x86/sev/docs: Document the SNP Reverse Map Table (RMP)
x86/sev: Add full support for a segmented RMP table
x86/sev: Treat the contiguous RMP table as a single RMP segment
x86/sev: Map only the RMP table entries instead of the full RMP range
x86/sev: Move the SNP probe routine out of the way
x86/sev: Require the RMPREAD instruction after Zen4
x86/sev: Add support for the RMPREAD instruction
x86/sev: Prepare for using the RMPREAD instruction to access the RMP
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 resource control updates from Borislav Petkov:
- Extend resctrl with the capability of total memory bandwidth
monitoring, thus accomodating systems which support only total but
not local memory bandwidth monitoring. Add the respective new mount
options
- The usual cleanups
* tag 'x86_cache_for_v6.14_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Document the new "mba_MBps_event" file
x86/resctrl: Add write option to "mba_MBps_event" file
x86/resctrl: Add "mba_MBps_event" file to CTRL_MON directories
x86/resctrl: Make mba_sc use total bandwidth if local is not supported
x86/resctrl: Compute memory bandwidth for all supported events
x86/resctrl: Modify update_mba_bw() to use per CTRL_MON group event
x86/resctrl: Prepare for per-CTRL_MON group mba_MBps control
x86/resctrl: Introduce resctrl_file_fflags_init() to initialize fflags
x86/resctrl: Use kthread_run_on_cpu()
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Madhavan Srinivasan:
- Add preempt lazy support
- Deprecate cxl and cxl flash driver
- Fix a possible IOMMU related OOPS at boot on pSeries
- Optimize sched_clock() in ppc32 by replacing mulhdu() by
mul_u64_u64_shr()
Thanks to Andrew Donnellan, Andy Shevchenko, Ankur Arora, Christophe
Leroy, Frederic Barrat, Gaurav Batra, Luis Felipe Hernandez, Michael
Ellerman, Nilay Shroff, Ricardo B. Marliere, Ritesh Harjani (IBM),
Sebastian Andrzej Siewior, Shrikanth Hegde, Sourabh Jain, Thorsten Blum,
and Zhu Jun.
* tag 'powerpc-6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix argument order to timer_sub()
powerpc/prom_init: Use IS_ENABLED()
powerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW
powerpc: Use str_on_off() helper in check_cache_coherency()
powerpc: Large user copy aware of full:rt:lazy preemption
powerpc: Add preempt lazy support
powerpc/book3s64/hugetlb: Fix disabling hugetlb when fadump is active
powerpc/vdso: Mark the vDSO code read-only after init
powerpc/64: Use get_user() in start_thread()
macintosh: declare ctl_table as const
selftest/powerpc/ptrace: Cleanup duplicate macro definitions
selftest/powerpc/ptrace/ptrace-pkey: Remove duplicate macros
selftest/powerpc/ptrace/core-pkey: Remove duplicate macros
powerpc/8xx: Drop legacy-of-mm-gpiochip.h header
scsi/cxlflash: Deprecate driver
cxl: Deprecate driver
selftests/powerpc: Fix typo in test-vphn.c
powerpc/xmon: Use str_yes_no() helper in dump_one_paca()
powerpc/32: Replace mulhdu() by mul_u64_u64_shr()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"We've got a little less than normal thanks to the holidays in
December, but there's the usual summary below. The highlight is
probably the 52-bit physical addressing (LPA2) clean-up from Ard.
Confidential Computing:
- Register a platform device when running in CCA realm mode to enable
automatic loading of dependent modules
CPU Features:
- Update a bunch of system register definitions to pick up new field
encodings from the architectural documentation
- Add hwcaps and selftests for the new (2024) dpISA extensions
Documentation:
- Update EL3 (firmware) requirements for booting Linux on modern
arm64 designs
- Remove stale information about the kernel virtual memory map
Miscellaneous:
- Minor cleanups and typo fixes
Memory management:
- Fix vmemmap_check_pmd() to look at the PMD type bits
- LPA2 (52-bit physical addressing) cleanups and minor fixes
- Adjust physical address space depending upon whether or not LPA2 is
enabled
Perf and PMUs:
- Add port filtering support for NVIDIA's NVLINK-C2C Coresight PMU
- Extend AXI filtering support for the DDR PMU on NXP IMX SoCs
- Fix Designware PCIe PMU event numbering
- Add generic branch events for the Apple M1 CPU PMU
- Add support for Marvell Odyssey DDR and LLC-TAD PMUs
- Cleanups to the Hisilicon DDRC and Uncore PMU code
- Advertise discard mode for the SPE PMU
- Add the perf users mailing list to our MAINTAINERS entry"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (64 commits)
Documentation: arm64: Remove stale and redundant virtual memory diagrams
perf docs: arm_spe: Document new discard mode
perf: arm_spe: Add format option for discard mode
MAINTAINERS: Add perf list for drivers/perf/
arm64: Remove duplicate included header
drivers/perf: apple_m1: Map generic branch events
arm64: rsi: Add automatic arm-cca-guest module loading
kselftest/arm64: Add 2024 dpISA extensions to hwcap test
KVM: arm64: Allow control of dpISA extensions in ID_AA64ISAR3_EL1
arm64/hwcap: Describe 2024 dpISA extensions to userspace
arm64/sysreg: Update ID_AA64SMFR0_EL1 to DDI0601 2024-12
arm64: Filter out SVE hwcaps when FEAT_SVE isn't implemented
drivers/perf: hisi: Set correct IRQ affinity for PMUs with no association
arm64/sme: Move storage of reg_smidr to __cpuinfo_store_cpu()
arm64: mm: Test for pmd_sect() in vmemmap_check_pmd()
arm64/mm: Replace open encodings with PXD_TABLE_BIT
arm64/mm: Rename pte_mkpresent() as pte_mkvalid()
arm64/sysreg: Update ID_AA64ISAR2_EL1 to DDI0601 2024-09
arm64/sysreg: Update ID_AA64ZFR0_EL1 to DDI0601 2024-09
arm64/sysreg: Update ID_AA64FPFR0_EL1 to DDI0601 2024-09
...
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|
Pull block updates from Jens Axboe:
- NVMe pull requests via Keith:
- Target support for PCI-Endpoint transport (Damien)
- TCP IO queue spreading fixes (Sagi, Chaitanya)
- Target handling for "limited retry" flags (Guixen)
- Poll type fix (Yongsoo)
- Xarray storage error handling (Keisuke)
- Host memory buffer free size fix on error (Francis)
- MD pull requests via Song:
- Reintroduce md-linear (Yu Kuai)
- md-bitmap refactor and fix (Yu Kuai)
- Replace kmap_atomic with kmap_local_page (David Reaver)
- Quite a few queue freeze and debugfs deadlock fixes
Ming introduced lockdep support for this in the 6.13 kernel, and it
has (unsurprisingly) uncovered quite a few issues
- Use const attributes for IO schedulers
- Remove bio ioprio wrappers
- Fixes for stacked device atomic write support
- Refactor queue affinity helpers, in preparation for better supporting
isolated CPUs
- Cleanups of loop O_DIRECT handling
- Cleanup of BLK_MQ_F_* flags
- Add rotational support for null_blk
- Various fixes and cleanups
* tag 'for-6.14/block-20250118' of git://git.kernel.dk/linux: (106 commits)
block: Don't trim an atomic write
block: Add common atomic writes enable flag
md/md-linear: Fix a NULL vs IS_ERR() bug in linear_add()
block: limit disk max sectors to (LLONG_MAX >> 9)
block: Change blk_stack_atomic_writes_limits() unit_min check
block: Ensure start sector is aligned for stacking atomic writes
blk-mq: Move more error handling into blk_mq_submit_bio()
block: Reorder the request allocation code in blk_mq_submit_bio()
nvme: fix bogus kzalloc() return check in nvme_init_effects_log()
md/md-bitmap: move bitmap_{start, end}write to md upper layer
md/raid5: implement pers->bitmap_sector()
md: add a new callback pers->bitmap_sector()
md/md-bitmap: remove the last parameter for bimtap_ops->endwrite()
md/md-bitmap: factor behind write counters out from bitmap_{start/end}write()
md: Replace deprecated kmap_atomic() with kmap_local_page()
md: reintroduce md-linear
partitions: ldm: remove the initial kernel-doc notation
blk-cgroup: rwstat: fix kernel-doc warnings in header file
blk-cgroup: fix kernel-doc warnings in header file
nbd: fix partial sending
...
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Pull bcachefs updates from Kent Overstreet:
"Lots of scalability work, another big on-disk format change. On-disk
format version goes from 1.13 to 1.20.
Like 6.11, this is another big and expensive automatic/required on
disk format upgrade. This is planned to be the last big on disk format
upgrade before the experimental label comes off. There will be one
more minor on disk format update for a few things that couldn't make
this release.
Headline improvements:
- Self healing work:
Allocator and reflink now run the exact same check/repair code that
fsck does at runtime, where applicable.
The long term goal here is to remove inconsistent() errors (that
cause us to go emergency read only) by lifting fsck code up to
normal runtime paths; we should only go emergency read-only if we
detect an inconsistency that was due to a runtime bug - or truly
catastrophic damage (corrupted btree roots/interior nodes).
- Reflink repair no longer deletes reflink pointers:
Instead we flip an error bit and log the error, and they can still
be deleted by file deletion. This means a temporary failure to find
an indirect extent (perhaps repaired later by btree node scan)
won't result in unnecessary data loss
- Improvements to rebalance data path option handling:
We can now correctly apply changed filesystem-level io path options
to pending rebalance work, and soon we'll be able to apply
file-level io path option changes to indirect extents
- Fix mount time regression that some users encountered post the 6.11
disk accounting rewrite.
Accounting keys were encoded little endian (typetag in the low
bits) - which didn't anticipate adding accounting keys for every
inode, which aren't stored in memory and we don't want to scan at
mount time.
- fsck time on large filesystems is improved by multiple orders of
magnitude. Previously, 100TB was about the practical max filesystem
size, where users were reporting fsck times of a day+. With the new
changes (which nearly eliminate backpointers fsck overhead), we
fsck'd a filesystem with 10PB of data in 1.5 hours.
The problematic fsck passes were walking every extent and checking
for missing backpointers, and walking every backpointer to check
for dangling backpointers. As we've been adding more and more
runtime self healing there was no reason to keep around the
backpointers -> extents pass; dangling backpointers are just
deleted, and we can do that when using them - thus, backpointers ->
extents is now only run in debug mode.
extents -> backpointers does need to exist, since missing
backpointers would mean we can't find data to move it (for e.g.
copygc, device evacuate, scrub). But the new on disk format version
makes possible a new strategy where we sum up backpointers within a
bucket and check it against the bucket sector counts, and then only
scan for missing backpointers if the counts are off (and then, only
for specific buckets).
Full list of on disk format changes:
- 1.14: backpointer_bucket_gen
Backpointers now have a field for the bucket generation number,
replacing the obsolete bucket_offset field. This is needed for the
new "sum up backpointers within a bucket" code, since backpointers
use the btree write buffer - meaning we will see stale reads, and
this runs online, with the filesystem in full rw mode.
- 1.15: disk_accounting_big_endian
As previously described, fix the endianness of accounting keys so
that accounting keys with the same typetag sort together, and
accounting read can skip types it's not interested in.
- 1.16: reflink_p_may_update_opts:
This version indicates that a new reflink pointer field is
understood and may be used; the field indicates whether the reflink
pointer has permissions to update IO path options (e.g.
compression, replicas) may be updated on the indirect extent it
points to.
This completes the rebalance/reflink data path option handling from
the 6.13 pull request.
- 1.17: inode_depth
Add a new inode field, bi_depth, to accelerate the
check_directory_structure fsck path, which checks for loops in the
filesystem heirarchy.
check_inodes and check_dirents check connectivity, so
check_directory_structure only has to check for loops - by walking
back up to the root from every directory.
But a path can't be a loop if it has a counter that increases
monotonically from root to leaf - adding a depth counter means that
we can check for loops with only local (parent -> child) checks. We
might need to occasionally renumber the depth field in fsck if
directories have been moved around, but then future fsck runs will
be much faster.
- 1.18: persistent_inode_cursors
Previously, the cursor used for inode allocation was only kept in
memory, which meant that users with large filesystems and lots of
files were reporting that the first create after mounting would
take awhile - since it had to scan from the start.
Inode allocation cursors are now persistent, and also include a
generation field (incremented on wraparound, which will only happen
if inode allocation is restricted to 32 bit inodes), so that we
don't have to leave inode_generation keys around after a delete.
The option for 32 bit inode numbers may now also be set on
individual directories, and non-32 bit inode allocations are
disallowed from allocating from the 32 bit part of the inode number
space.
- 1.19: autofix_errors
Runtime self healing is now the default.o
- 1.20: directory size (from Hongbo)
directory i_size is now meaningful, and not 0"
* tag 'bcachefs-2025-01-20.2' of git://evilpiepirate.org/bcachefs: (268 commits)
bcachefs: Fix check_inode_hash_info_matches_root()
bcachefs: Document issue with bch_stripe layout
bcachefs: Fix self healing on read error
bcachefs: Pop all the transactions from the abort one
bcachefs: Only abort the transactions in the cycle
bcachefs: Introduce lock_graph_pop_from
bcachefs: Convert open-coded lock_graph_pop_all to helper
bcachefs: Do not allow no fail lock request to fail
bcachefs: Merge the condition to avoid additional invocation
Revert "bcachefs: Fix bch2_btree_node_upgrade()"
bcachefs: bcachefs_metadata_version_directory_size
bcachefs: make directory i_size meaningful
bcachefs: check_unreachable_inodes is not actually PASS_ONLINE yet
bcachefs: Don't use BTREE_ITER_cached when walking alloc btree during fsck
bcachefs: Check for dirents to overwritten inodes
bcachefs: bch2_btree_iter_peek_slot() handles navigating to nonexistent depth
bcachefs: Don't set btree_path to updtodate if we don't fill
bcachefs: __bch2_btree_pos_to_text()
bcachefs: printbuf_reset() handles tabstops
bcachefs: Silence read-only errors when deleting snapshots
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull cred refcount updates from Christian Brauner:
"For the v6.13 cycle we switched overlayfs to a variant of
override_creds() that doesn't take an extra reference. To this end the
{override,revert}_creds_light() helpers were introduced.
This generalizes the idea behind {override,revert}_creds_light() to
the {override,revert}_creds() helpers. Afterwards overriding and
reverting credentials is reference count free unless the caller
explicitly takes a reference.
All callers have been appropriately ported"
* tag 'kernel-6.14-rc1.cred' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (30 commits)
cred: fold get_new_cred_many() into get_cred_many()
cred: remove unused get_new_cred()
nfsd: avoid pointless cred reference count bump
cachefiles: avoid pointless cred reference count bump
dns_resolver: avoid pointless cred reference count bump
trace: avoid pointless cred reference count bump
cgroup: avoid pointless cred reference count bump
acct: avoid pointless reference count bump
io_uring: avoid pointless cred reference count bump
smb: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
cifs: avoid pointless cred reference count bump
ovl: avoid pointless cred reference count bump
open: avoid pointless cred reference count bump
nfsfh: avoid pointless cred reference count bump
nfs/nfs4recover: avoid pointless cred reference count bump
nfs/nfs4idmap: avoid pointless reference count bump
nfs/localio: avoid pointless cred reference count bumps
coredump: avoid pointless cred reference count bump
binfmt_misc: avoid pointless cred reference count bump
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"Features:
- Support caching symlink lengths in inodes
The size is stored in a new union utilizing the same space as
i_devices, thus avoiding growing the struct or taking up any more
space
When utilized it dodges strlen() in vfs_readlink(), giving about
1.5% speed up when issuing readlink on /initrd.img on ext4
- Add RWF_DONTCACHE iocb and FOP_DONTCACHE file_operations flag
If a file system supports uncached buffered IO, it may set
FOP_DONTCACHE and enable support for RWF_DONTCACHE.
If RWF_DONTCACHE is attempted without the file system supporting
it, it'll get errored with -EOPNOTSUPP
- Enable VBOXGUEST and VBOXSF_FS on ARM64
Now that VirtualBox is able to run as a host on arm64 (e.g. the
Apple M3 processors) we can enable VBOXSF_FS (and in turn
VBOXGUEST) for this architecture.
Tested with various runs of bonnie++ and dbench on an Apple MacBook
Pro with the latest Virtualbox 7.1.4 r165100 installed
Cleanups:
- Delay sysctl_nr_open check in expand_files()
- Use kernel-doc includes in fiemap docbook
- Use page->private instead of page->index in watch_queue
- Use a consume fence in mnt_idmap() as it's heavily used in
link_path_walk()
- Replace magic number 7 with ARRAY_SIZE() in fc_log
- Sort out a stale comment about races between fd alloc and dup2()
- Fix return type of do_mount() from long to int
- Various cosmetic cleanups for the lockref code
Fixes:
- Annotate spinning as unlikely() in __read_seqcount_begin
The annotation already used to be there, but got lost in commit
52ac39e5db51 ("seqlock: seqcount_t: Implement all read APIs as
statement expressions")
- Fix proc_handler for sysctl_nr_open
- Flush delayed work in delayed fput()
- Fix grammar and spelling in propagate_umount()
- Fix ESP not readable during coredump
In /proc/PID/stat, there is the kstkesp field which is the stack
pointer of a thread. While the thread is active, this field reads
zero. But during a coredump, it should have a valid value
However, at the moment, kstkesp is zero even during coredump
- Don't wake up the writer if the pipe is still full
- Fix unbalanced user_access_end() in select code"
* tag 'vfs-6.14-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (28 commits)
gfs2: use lockref_init for qd_lockref
erofs: use lockref_init for pcl->lockref
dcache: use lockref_init for d_lockref
lockref: add a lockref_init helper
lockref: drop superfluous externs
lockref: use bool for false/true returns
lockref: improve the lockref_get_not_zero description
lockref: remove lockref_put_not_zero
fs: Fix return type of do_mount() from long to int
select: Fix unbalanced user_access_end()
vbox: Enable VBOXGUEST and VBOXSF_FS on ARM64
pipe_read: don't wake up the writer if the pipe is still full
selftests: coredump: Add stackdump test
fs/proc: do_task_stat: Fix ESP not readable during coredump
fs: add RWF_DONTCACHE iocb and FOP_DONTCACHE file_operations flag
fs: sort out a stale comment about races between fd alloc and dup2
fs: Fix grammar and spelling in propagate_umount()
fs: fc_log replace magic number 7 with ARRAY_SIZE()
fs: use a consume fence in mnt_idmap()
file: flush delayed work in delayed fput()
...
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git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- Reorder includes for distributed-arp-table.c, by Sven Eckelmann
- Fix translation table change handling, by Remi Pommarel (2 patches)
- Map VID 0 to untagged TT VLAN, by Sven Eckelmann
- Update MAINTAINERS/mailmap e-mail addresses, by the respective authors
(4 patches)
- netlink: reduce duplicate code by returning interfaces,
by Linus Lüssing
* tag 'batadv-next-pullrequest-20250117' of git://git.open-mesh.org/linux-merge:
batman-adv: netlink: reduce duplicate code by returning interfaces
MAINTAINERS: mailmap: add entries for Antonio Quartulli
mailmap: add entries for Sven Eckelmann
mailmap: add entries for Simon Wunderlich
MAINTAINERS: update email address of Marek Linder
batman-adv: Map VID 0 to untagged TT VLAN
batman-adv: Don't keep redundant TT change events
batman-adv: Remove atomic usage for tt.local_changes
batman-adv: Reorder includes for distributed-arp-table.c
batman-adv: Start new development cycle
====================
Link: https://patch.msgid.link/20250117123910.219278-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
- btusb: Add new VID/PID 13d3/3610 for MT7922
- btusb: Add new VID/PID 13d3/3628 for MT7925
- btusb: Add MT7921e device 13d3:3576
- btusb: Add RTL8851BE device 13d3:3600
- btusb: Add ID 0x2c7c:0x0130 for Qualcomm WCN785x
- btusb: add sysfs attribute to control USB alt setting
- qca: Expand firmware-name property
- qca: Fix poor RF performance for WCN6855
- L2CAP: handle NULL sock pointer in l2cap_sock_alloc
- Allow reset via sysfs
- ISO: Allow BIG re-sync
- dt-bindings: Utilize PMU abstraction for WCN6750
- MGMT: Mark LL Privacy as stable
* tag 'for-net-next-2025-01-15' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (23 commits)
Bluetooth: MGMT: Fix slab-use-after-free Read in mgmt_remove_adv_monitor_sync
Bluetooth: qca: Fix poor RF performance for WCN6855
Bluetooth: Allow reset via sysfs
Bluetooth: Get rid of cmd_timeout and use the reset callback
Bluetooth: Remove the cmd timeout count in btusb
Bluetooth: Use str_enable_disable-like helpers
Bluetooth: btmtk: Remove resetting mt7921 before downloading the fw
Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc
Bluetooth: btusb: Add RTL8851BE device 13d3:3600
dt-bindings: bluetooth: Utilize PMU abstraction for WCN6750
Bluetooth: btusb: Add MT7921e device 13d3:3576
Bluetooth: btrtl: check for NULL in btrtl_setup_realtek()
Bluetooth: btbcm: Fix NULL deref in btbcm_get_board_name()
Bluetooth: qca: Expand firmware-name to load specific rampatch
Bluetooth: qca: Update firmware-name to support board specific nvm
dt-bindings: net: bluetooth: qca: Expand firmware-name property
Bluetooth: btusb: Add new VID/PID 13d3/3628 for MT7925
Bluetooth: btusb: Add new VID/PID 13d3/3610 for MT7922
Bluetooth: btusb: add sysfs attribute to control USB alt setting
Bluetooth: btusb: Add ID 0x2c7c:0x0130 for Qualcomm WCN785x
...
====================
Link: https://patch.msgid.link/20250117213203.3921910-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.14
Most likely the last "new features" pull request for v6.14 and this is
a bigger one. Multi-Link Operation (MLO) work continues both in stack
in drivers. Few new devices supported and usual fixes all over.
Major changes:
cfg80211
* Emergency Preparedness Communication Services (EPCS) station mode support
mac80211
* an option to filter a sta from being flushed
* some support for RX Operating Mode Indication (OMI) power saving
* support for adding and removing station links for MLO
iwlwifi
* new device ids
* rework firmware error handling and restart
rtw88
* RTL8812A: RFE type 2 support
* LED support
rtw89
* variant info to support RTL8922AE-VS
mt76
* mt7996: single wiphy multiband support (preparation for MLO)
* mt7996: support for more variants
* mt792x: P2P_DEVICE support
* mt7921u: TP-Link TXE50UH support
ath12k
* enable MLO for QCN9274 (although it seems to be broken with dual
band devices)
* MLO radar detection support
* debugfs: transmit buffer OFDMA, AST entry and puncture stats
* tag 'wireless-next-2025-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (322 commits)
wifi: brcmfmac: fix NULL pointer dereference in brcmf_txfinalize()
wifi: rtw88: add RTW88_LEDS depends on LEDS_CLASS to Kconfig
wifi: wilc1000: unregister wiphy only after netdev registration
wifi: cfg80211: adjust allocation of colocated AP data
wifi: mac80211: fix memory leak in ieee80211_mgd_assoc_ml_reconf()
wifi: ath12k: fix key cache handling
wifi: ath12k: Fix uninitialized variable access in ath12k_mac_allocate() function
wifi: ath12k: Remove ath12k_get_num_hw() helper function
wifi: ath12k: Refactor the ath12k_hw get helper function argument
wifi: ath12k: Refactor ath12k_hw set helper function argument
wifi: mt76: mt7996: add implicit beamforming support for mt7992
wifi: mt76: mt7996: fix beacon command during disabling
wifi: mt76: mt7996: fix ldpc setting
wifi: mt76: mt7996: fix definition of tx descriptor
wifi: mt76: connac: adjust phy capabilities based on band constraints
wifi: mt76: mt7996: fix incorrect indexing of MIB FW event
wifi: mt76: mt7996: fix HE Phy capability
wifi: mt76: mt7996: fix the capability of reception of EHT MU PPDU
wifi: mt76: mt7996: add max mpdu len capability
wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain
...
====================
Link: https://patch.msgid.link/20250117203529.72D45C4CEDD@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The number of SYN + MPC retransmissions before falling back to TCP was
fixed to 2. This is certainly a good default value, but having a fixed
number can be a problem in some environments.
The current behaviour means that if all packets are dropped, there will
be:
- The initial SYN + MPC
- 2 retransmissions with MPC
- The next ones will be without MPTCP.
So typically ~3 seconds before falling back to TCP. In some networks
where some temporally blackholes are unfortunately frequent, or when a
client tries to initiate connections while the network is not ready yet,
this can cause new connections not to have MPTCP connections.
In such environments, it is now possible to increase the number of SYN
retransmissions with MPTCP options to make sure MPTCP is used.
Interesting values are:
- 0: the first retransmission will be done without MPTCP options: quite
aggressive, but also a higher risk of detecting false-positive
MPTCP blackholes.
- >= 128: all SYN retransmissions will keep the MPTCP options: back to
the < 6.12 behaviour.
The default behaviour is not changed here.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250117-net-next-mptcp-syn_retrans_before_tcp_fallback-v1-1-ab4b187099b0@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For packets with two-step timestamp requests, the hardware timestamp
comes back to the driver through a confirmation mechanism of sorts,
which allows the driver to confidently bump the successful "pkts"
counter.
For one-step PTP, the NIC is supposed to autonomously insert its
hardware TX timestamp in the packet headers while simultaneously
transmitting it. There may be a confirmation that this was done
successfully, or there may not.
None of the current drivers which implement ethtool_ops :: get_ts_stats()
also support HWTSTAMP_TX_ONESTEP_SYNC or HWTSTAMP_TX_ONESTEP_SYNC, so it
is a bit unclear which model to follow. But there are NICs, such as DSA,
where there is no transmit confirmation at all. Here, it would be wrong /
misleading to increment the successful "pkts" counter, because one-step
PTP packets can be dropped on TX just like any other packets.
So introduce a special counter which signifies "yes, an attempt was made,
but we don't know whether it also exited the port or not". I expect that
for one-step PTP packets where a confirmation is available, the "pkts"
counter would be bumped.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250116104628.123555-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Introduce a new property to describe the power budget of the regulator.
This property will allow power management support for regulator consumers
like PSE controllers, enabling them to make decisions based on the
available power capacity.
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20250115-feature_regulator_pw_budget-v2-2-0a44b949e6bc@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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* for-next/perf: (29 commits)
perf docs: arm_spe: Document new discard mode
perf: arm_spe: Add format option for discard mode
MAINTAINERS: Add perf list for drivers/perf/
drivers/perf: apple_m1: Map generic branch events
drivers/perf: hisi: Set correct IRQ affinity for PMUs with no association
perf: imx9_perf: Introduce AXI filter version to refactor the driver and better extension
perf/arm-cmn: Permit more exhaustive groups
perf/dwc_pcie: Qualify RAS DES VSEC Capability by Vendor, Revision
drivers/perf: hisi: Delete redundant blank line of DDRC PMU
drivers/perf: hisi: Fix incorrect variable name "hha_pmu" in DDRC PMU driver
drivers/perf: hisi: Export associated CPUs of each PMU through sysfs
drivers/perf: hisi: Provide a generic implementation of cpumask/identifier
drivers/perf: hisi: Add a common function to retrieve topology from firmware
drivers/perf: hisi: Extract topology information to a separate structure
drivers/perf: hisi: Refactor the detection of associated CPUs
drivers/perf: hisi: Migrate to one online CPU if no associated one online
drivers/perf: hisi: Don't update the associated_cpus on CPU offline
drivers/perf: hisi: Define a symbol namespace for HiSilicon Uncore PMUs
perf/marvell: Odyssey LLC-TAD performance monitor support
perf/marvell: Refactor to extract platform data
...
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* for-next/docs:
Documentation: arm64: Remove stale and redundant virtual memory diagrams
docs: arm64: Document EL3 requirements for FEAT_PMUv3
docs: arm64: Document EL3 requirements for cpu debug architecture
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix a regression in the irqsoff and wakeup latency tracing
The function graph tracer infrastructure has become generic so that
fprobes and BPF can be based on it. As it use to only handle function
graph tracing, it would always calculate the time the function
entered so that it could then calculate the time it exits and give
the length of time the function executed for. But this is not needed
for the other users (fprobes and BPF) and reading the clock adds a
non-negligible overhead, so the calculation was moved into the
function graph tracer logic.
But the irqsoff and wakeup latency tracers, when the "display-graph"
option was set, would use the function graph tracer to calculate the
times of functions during the latency. The movement of the calltime
calculation made the value zero for these tracers, and the output no
longer showed the length of time of each tracer, but instead the
absolute timestamp of when the function returned (rettime - calltime
where calltime is now zero).
Have the irqsoff and wakeup latency tracers also do the calltime
calculation as the function graph tracer does and report the proper
length of the function timings.
- Update the tracing display to reflect the new preempt lazy model
When the system is configured with preempt lazy, the output of the
trace data would state "unknown" for the current preemption model.
Because the lazy preemption model was just added, make it known to
the tracing subsystem too. This is just a one line change.
- Document multiple function graph having slightly different timings
Now that function graph tracer infrastructure is separate, this also
allows the function graph tracer to run in multiple instances (it
wasn't able to do so before). If two instances ran the function graph
tracer and traced the same functions, the timings for them will be
slightly different because each does their own timings and collects
the timestamps differently. Document this to not have people be
confused by it.
* tag 'trace-v6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ftrace: Document that multiple function_graph tracing may have different times
tracing: Print lazy preemption model
tracing: Fix irqsoff and wakeup latency tracers when using function graph
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Cross-merge networking fixes after downstream PR (net-6.13-rc8).
Conflicts:
drivers/net/ethernet/realtek/r8169_main.c
1f691a1fc4be ("r8169: remove redundant hwmon support")
152d00a91396 ("r8169: simplify setting hwmon attribute visibility")
https://lore.kernel.org/20250115122152.760b4e8d@canb.auug.org.au
Adjacent changes:
drivers/net/ethernet/broadcom/bnxt/bnxt.c
152f4da05aee ("bnxt_en: add support for rx-copybreak ethtool command")
f0aa6a37a3db ("eth: bnxt: always recalculate features after XDP clearing, fix null-deref")
drivers/net/ethernet/intel/ice/ice_type.h
50327223a8bb ("ice: add lock to protect low latency interface")
dc26548d729e ("ice: Fix quad registers read on E825")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Problem: The x86_64 UEFI doc references Elilo which is an
unmaintained/orphaned bootloader project. Also, on x86_64 a bootloader
is technically not actually required since there is support for the
Linux EFI stub.
Solution: Remove the references to Elilo from the doc and refer to the
EFI stub doc page, update steps accordingly, and add more details about
creation of the EFI partition to improve clarity.
Signed-off-by: Nir Lichtman <nir@lichtman.org>
Link: https://lore.kernel.org/r/20250108113522.GA897677@lichtman.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There is no mention of timer_migration in the docs. Add
a short description.
Signed-off-by: Phil Auld <pauld@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250114190525.169022-1-pauld@redhat.com
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"zone_t" doesn't exist in current code base anymore, remove the
description of it.
Signed-off-by: I Hsin Cheng <richard120310@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250115070355.41769-1-richard120310@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Update the documentation of cpuidle governors that does not match the
code any more after previous functional changes (Rafael Wysocki) and
fix up the cpufreq Kconfig file broken inadvertently by a previous
update (Viresh Kumar)"
* tag 'pm-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Move endif to the end of Kconfig file
cpuidle: teo: Update documentation after previous changes
cpuidle: menu: Update documentation after previous changes
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The hds-thresh option configures the threshold value of
the header-data-split.
If a received packet size is larger than this threshold value, a packet
will be split into header and payload.
The header indicates TCP and UDP header, but it depends on driver spec.
The bnxt_en driver supports HDS(Header-Data-Split) configuration at
FW level, affecting TCP and UDP too.
So, If hds-thresh is set, it affects UDP and TCP packets.
Example:
# ethtool -G <interface name> hds-thresh <value>
# ethtool -G enp14s0f0np0 tcp-data-split on hds-thresh 256
# ethtool -g enp14s0f0np0
Ring parameters for enp14s0f0np0:
Pre-set maximums:
...
HDS thresh: 1023
Current hardware settings:
...
TCP data split: on
HDS thresh: 256
The default/min/max values are not defined in the ethtool so the drivers
should define themself.
The 0 value means that all TCP/UDP packets' header and payload
will be split.
Tested-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250114142852.3364986-3-ap420073@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ath/ath
ath.git patches for v6.14
This development cycle again featured multiple patchsets to ath12k to
support the new 802.11be MLO feature, this time including the device
grouping infrastructure, and the advertisement of MLO support to the
wireless core. However the MLO feature is still considered to be
incomplete.
In addition, there was the usual set of bug fixes and cleanups, mostly
in ath12k, but also in ath9k.
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We are now using the on-chip PMU node for power sequencing to manage the
enable/disable functionality of Bluetooth. Consequently, the inputs
previously marked as required under the Bluetooth node can be removed.
For instance, the enable GPIO is now managed by the PMU node with the
property bt-enable-gpios.
Signed-off-by: Janaki Ramaiah Thota <quic_janathot@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Expand the firmware-name property to specify the names of NVM and
rampatch firmware to load. This update will support loading specific
firmware (nvm and rampatch) for certain chips, like the QCA6698
Bluetooth chip, which shares the same IP core as the WCN6855 but has
different RF components and RAM sizes, requiring new firmware files.
We might use different connectivity boards on the same platform. For
example, QCA6698-based boards can support either a two-antenna or
three-antenna solution, both of which work on the sa8775p-ride platform.
Due to differences in connectivity boards and variations in RF
performance from different foundries, different NVM configurations are
used based on the board ID.
So In firmware-name, if the NVM file has an extension, the NVM file will
be used. Otherwise, the system will first try the .bNN (board ID) file,
and if that fails, it will fall back to the .bin file.
Possible configurations:
firmware-name = "QCA6698/hpnv21.bin", "QCA6698/hpbtfw21.tlv";
firmware-name = "QCA6698/hpnv21", "QCA6698/hpbtfw21.tlv";
firmware-name = "QCA6698/hpnv21.bin";
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Cheng Jiang <quic_chejiang@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This compatible was only added to the list for compatibility with older
dtschema (<2024.02). Add it to the other list also so both new and old
tools work.
Fixes: 0d078d47cd3e ("dt-bindings: mfd: syscon: Add ti,j784s4-acspcie-proxy-ctrl compatible")
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
Link: https://lore.kernel.org/r/20250103174524.28768-2-afd@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
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This compatible seems to be missing the last 'e', looks to be a typo
when creating this file. Noticed this when diff'ing the two compatible
lists (which should stay in sync).
Fixes: f97b0435c857 ("dt-bindings: mfd: syscon: Split and enforce documenting MFD children")
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250103174524.28768-4-afd@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>
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These are flags to be passed when linking proc macros for the Rust
toolchain. If unset, it defaults to $(KBUILD_HOSTLDFLAGS).
This is needed because the list of flags to link hostprogs is not
necessarily the same as the list of flags used to link libmacros.so.
When we build proc macros, we need the latter, not the former (e.g. when
using a Rust compiler binary linked to a different C library than host
programs).
To distinguish between the two, introduce this new variable to stand
out from KBUILD_HOSTLDFLAGS used to link other host progs.
Signed-off-by: HONG Yifan <elsk@google.com>
Link: https://lore.kernel.org/r/20241017210430.2401398-2-elsk@google.com
[ v3:
- `export`ed the variable. Otherwise it would not be visible in
`rust/Makefile`.
- Removed "additional" from the documentation and commit message,
since this actually replaces the other flags, unlike other cases.
- Added example of use case to documentation and commit message.
Thanks Alice for the details on what Google needs!
- Instead of `HOSTLDFLAGS`, used `KBUILD_HOSTLDFLAGS` as the fallback
to preserve the previous behavior as much as possible, as discussed
with Alice/Yifan. Thus moved the variable down too (currently we
do not modify `KBUILD_HOSTLDFLAGS` elsewhere) and avoided
mentioning `HOSTLDFLAGS` directly in the documentation.
- Fixed documentation header formatting.
- Reworded slightly.
- Miguel ]
Tested-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: HONG Yifan <elsk@google.com>
Acked-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20241112184455.855133-1-ojeda@kernel.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Commit b168ed458dde ("kernel/cgroup: Add "dmem" memory accounting
cgroup") introduced a new documentation file, with a shorter than
expected underline. This results in a documentation build warning. Fix
that underline length.
Fixes: b168ed458dde ("kernel/cgroup: Add "dmem" memory accounting cgroup")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20250113154611.624256bf@canb.auug.org.au/
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Simona Vetter <simona.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20250113092608.1349287-4-mripard@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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