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The main change this time is the introduction of the drivers/genpd
subsystem that gets split out from drivers/soc to keep common
functionality together. Ulf Hansson is taking over maintainership for
these and is sending a separate pull request with the same commits,
but they are in the soc drivers tree to avoid conflicts against other
soc driver patches.
The SCMI driver subsystem gets an update to version 3.2 of the
specification. There are also updates to memory, reset and other firmware
drivers.
On the soc driver side, the updates are mostly cleanups across a number
of Arm platforms. On driver for loongarch adds power management for DT
based systems, another driver is for HiSilicon's Arm server chips with
their HCCS system health interface.
The remaining updates for the most part add support for additional
hardware in existing drivers or contain minor cleanups. Most of these
are for the Qualcomm Snapdragon platform.
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Merge tag 'soc-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"The main change this time was the introduction of the drivers/genpd
subsystem that gets split out from drivers/soc to keep common
functionality together.
The SCMI driver subsystem gets an update to version 3.2 of the
specification. There are also updates to memory, reset and other
firmware drivers.
On the soc driver side, the updates are mostly cleanups across a
number of Arm platforms. On driver for loongarch adds power management
for DT based systems, another driver is for HiSilicon's Arm server
chips with their HCCS system health interface.
The remaining updates for the most part add support for additional
hardware in existing drivers or contain minor cleanups. Most of these
are for the Qualcomm Snapdragon platform"
* tag 'soc-drivers-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (136 commits)
bus: fsl-mc: Use common ranges functions
soc: kunpeng_hccs: fix some sparse warnings about incorrect type
soc: loongson2_pm: add power management support
soc: dt-bindings: add loongson-2 pm
soc: rockchip: grf: Fix SDMMC not working on RK3588 with bus-width > 1
genpd: rockchip: Add PD_VO entry for rv1126
bus: ti-sysc: Fix cast to enum warning
soc: kunpeng_hccs: add MAILBOX dependency
MAINTAINERS: remove OXNAS entry
dt-bindings: interrupt-controller: arm,versatile-fpga-irq: mark oxnas compatible as deprecated
irqchip: irq-versatile-fpga: remove obsolete oxnas compatible
soc: qcom: aoss: Tidy up qmp_send() callers
soc: qcom: aoss: Format string in qmp_send()
soc: qcom: aoss: Move length requirements from caller
soc: kunpeng_hccs: fix size_t format string
soc: ti: k3-socinfo.c: Add JTAG ID for AM62PX
dt-bindings: firmware: qcom: scm: Updating VMID list
firmware: imx: scu-irq: support identifying SCU wakeup source from sysfs
firmware: imx: scu-irq: enlarge the IMX_SC_IRQ_NUM_GROUP
firmware: imx: scu-irq: add imx_scu_irq_get_status
...
and starts moving some of the corresponding code in there.
We have currently ~60 users of the genpd provider interface, which are
sprinkled across various subsystems. To release some burden from the soc
maintainers (Arnd Bergmann, etc) in particular, but also to gain a better
overall view of what goes on in the area, I will help out with maintenance.
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Merge tag 'genpd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull ARM SoC generic power domain driver updates from Ulf Hansson:
"This adds a new subsystem for generic power domain providers in
drivers/genpd and starts moving some of the corresponding code in
there.
We have currently ~60 users of the genpd provider interface, which are
sprinkled across various subsystems. To release some burden from the
soc maintainers (Arnd Bergmann, etc) in particular, but also to gain a
better overall view of what goes on in the area, I will help out with
maintenance"
[ I find the "genpd" name singularly uninformative, so we'll probably
end up moving this driver subsystem somewhere else, but that's still
being discussed - Linus ]
* tag 'genpd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: (30 commits)
genpd: ti: Use for_each_node_with_property() simplify code logic
genpd: Explicitly include correct DT includes
genpd: imx: scu-pd: initialize is_off according to HW state
genpd: imx: scu-pd: Suppress bind attrs
genpd: imx: scu-pd: do not power off console if no_console_suspend
genpd: imx: scu-pd: add more PDs
genpd: imx: scu-pd: enlarge PD range
genpd: imx: relocate scu-pd under genpd
MAINTAINERS: adjust file entry in STARFIVE JH71XX PMU CONTROLLER DRIVER
genpd: Makefile: build imx
genpd: move owl-sps-helper.c from drivers/soc
soc: starfive: remove stale Makefile entry
ARM: ux500: Move power-domain driver to the genpd dir
ARM: ux500: Convert power-domain code into a regular platform driver
soc: xilinx: Move power-domain driver to the genpd dir
soc: ti: Mover power-domain drivers to the genpd dir
soc: tegra: Move powergate-bpmp driver to the genpd dir
soc: sunxi: Move power-domain driver to the genpd dir
soc: starfive: Move the power-domain driver to the genpd dir
soc: samsung: Move power-domain driver to the genpd dir
...
We've received a fairly wide range of changes at this time, including
for ALSA and ASoC core, but all of them are rather small changes.
Here are some highlights:
ALSA / ASoC Core:
- Fixes of inconsistent locking around control API helpers
- A few new control API functions and cleanups
- Workarounds for potential UAFs by delayed kobj releases
- Unified PCM copy ops with iov_iter
- Continued efforts for ASoC API cleanups
ASoC:
- An adaptor to allow use of IIO DACs and ADCs in ASoC which pulls in
some IIO changes
- Create a library function for intlog10() and use it in the NAU8825
driver
- Convert drivers to use the more modern maple tree register cache
- Lots of work on the SOF framework, AMD and Intel drivers, including a
lot of cleanup and new device support
- Standardization of the presentation of jacks from drivers
- Provision of some generic sound card DT properties
- Support for AMD Van Gogh, AMD machines with MAX98388 and NAU8821,
AWInic AW88261, Cirrus Logic CS35L36 and CS42L43, various Intel
platforms including AVS machines with ES8336 and RT5663, Mediatek
MT7986, NXP i.MX93, RealTek RT1017 and StarFive JH7110
Others:
- New test coverage including ASoC and topology tests in KUnit;
this also involves enabling UML builds of ALSA since that's the
default KUnit test environment which pulls in the addition of some
stubs to the driver
- More enhancement of pcmtest driver
- A few fixes / enhancements of MIDI 2.0 UMP core
- Using PCI definitions in allover HD-audio code
- Support for Cirrus CS35L56 and TI TAS2781 HD-audio sub-codecs
- CS35L41 HD-audio sub-codec improvements
- Continued emu10k1 improvements
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Merge tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"We've received a fairly wide range of changes at this time, including
for ALSA and ASoC core, but all of them are rather small changes.
Here are some highlights:
ALSA / ASoC Core:
- Fixes of inconsistent locking around control API helpers
- A few new control API functions and cleanups
- Workarounds for potential UAFs by delayed kobj releases
- Unified PCM copy ops with iov_iter
- Continued efforts for ASoC API cleanups
ASoC:
- An adaptor to allow use of IIO DACs and ADCs in ASoC which pulls in
some IIO changes
- Create a library function for intlog10() and use it in the NAU8825
driver
- Convert drivers to use the more modern maple tree register cache
- Lots of work on the SOF framework, AMD and Intel drivers, including
a lot of cleanup and new device support
- Standardization of the presentation of jacks from drivers
- Provision of some generic sound card DT properties
- Support for AMD Van Gogh, AMD machines with MAX98388 and NAU8821,
AWInic AW88261, Cirrus Logic CS35L36 and CS42L43, various Intel
platforms including AVS machines with ES8336 and RT5663, Mediatek
MT7986, NXP i.MX93, RealTek RT1017 and StarFive JH7110
Others:
- New test coverage including ASoC and topology tests in KUnit; this
also involves enabling UML builds of ALSA since that's the default
KUnit test environment which pulls in the addition of some stubs to
the driver
- More enhancement of pcmtest driver
- A few fixes / enhancements of MIDI 2.0 UMP core
- Using PCI definitions in allover HD-audio code
- Support for Cirrus CS35L56 and TI TAS2781 HD-audio sub-codecs
- CS35L41 HD-audio sub-codec improvements
- Continued emu10k1 improvements"
* tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (693 commits)
ALSA: pcm: Fix missing fixup call in compat hw_refine ioctl
ASoC: dwc: i2s: Fix unused functions
ALSA: usb-audio: Don't try to submit URBs after disconnection
ALSA: emu10k1: add separate documentation for E-MU cards
ALSA: emu10k1: more documentation updates
ALSA: emu10k1: de-duplicate audigy-mixer.rst vs. sb-live-mixer.rst
ALSA: ump: Fix -Wformat-truncation warnings
ALSA: hda: Add missing dependency on CONFIG_EFI for Cirrus/TI sub-codecs
ALSA: doc: Fix missing backquote in midi-2.0.rst
ALSA: hda/realtek: Add quirk for mute LEDs on HP ENVY x360 15-eu0xxx
ALSA: hda/tas2781: Switch back to use struct i2c_driver's .probe()
ASoC: soc-core.c: Do not error if a DAI link component is not found
ASoC: codecs: Fix error code in aw88261_i2c_probe()
ASoC: audio-graph-card.c: move audio_graph_parse_of()
ASoC: cs42l43: Use new-style PM runtime macros
ALSA: documentation: Add description for USB MIDI 2.0 gadget driver
ALSA: ump: Don't create unused substreams for static blocks
ALSA: ump: Fill group names for legacy rawmidi substreams
ALSA: usb-audio: Attach legacy rawmidi after probing all UMP EPs
ALSA: ac97: Fix possible error value of *rac97
...
core:
- fix gfp flags in drmm_kmalloc
gpuva:
- add new generic GPU VA manager (for nouveau initially)
syncobj:
- add new DRM_IOCTL_SYNCOBJ_EVENTFD ioctl
dma-buf:
- acquire resv lock for mmap() in exporters
- support dma-buf self import automatically
- docs fixes
backlight:
- fix fbdev interactions
atomic:
- improve logging
prime:
- remove struct gem_prim_mmap plus driver updates
gem:
- drm_exec: add locking over multiple GEM objects
- fix lockdep checking
fbdev:
- make fbdev userspace interfaces optional
- use linux device instead of fbdev device
- use deferred i/o helper macros in various drivers
- Make FB core selectable without drivers
- Remove obsolete flags FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT
- Add helper macros and Kconfig tokens for DMA-allocated framebuffer
ttm:
- support init_on_free
- swapout fixes
panel:
- panel-edp: Support AUO B116XAB01.4
- Support Visionox R66451 plus DT bindings
- ld9040: Backlight support, magic improved,
Kconfig fix
- Convert to of_device_get_match_data()
- Fix Kconfig dependencies
- simple: Set bpc value to fix warning; Set connector type for AUO T215HVN01;
Support Innolux G156HCE-L01 plus DT bindings
- ili9881: Support TDO TL050HDV35 LCD panel plus DT bindings
- startek: Support KD070FHFID015 MIPI-DSI panel plus DT bindings
- sitronix-st7789v: Support Inanbo T28CP45TN89 plus DT bindings;
Support EDT ET028013DMA plus DT bindings; Various cleanups
- edp: Add timings for N140HCA-EAC
- Allow panels and touchscreens to power sequence together
- Fix Innolux G156HCE-L01 LVDS clock
bridge:
- debugfs for chains support
- dw-hdmi: Improve support for YUV420 bus format
CEC suspend/resume, update EDID on HDMI detect
- dw-mipi-dsi: Fix enable/disable of DSI controller
- lt9611uxc: Use MODULE_FIRMWARE()
- ps8640: Remove broken EDID code
- samsung-dsim: Fix command transfer
- tc358764: Handle HS/VS polarity; Use BIT() macro; Various cleanups
- adv7511: Fix low refresh rate
- anx7625: Switch to macros instead of hardcoded values
locking fixes
- tc358767: fix hardware delays
- sitronix-st7789v: Support panel orientation; Support rotation
property; Add support for Jasonic
JT240MHQS-HWT-EK-E3 plus DT bindings
amdgpu:
- SDMA 6.1.0 support
- HDP 6.1 support
- SMUIO 14.0 support
- PSP 14.0 support
- IH 6.1 support
- Lots of checkpatch cleanups
- GFX 9.4.3 updates
- Add USB PD and IFWI flashing documentation
- GPUVM updates
- RAS fixes
- DRR fixes
- FAMS fixes
- Virtual display fixes
- Soft IH fixes
- SMU13 fixes
- Rework PSP firmware loading for other IPs
- Kernel doc fixes
- DCN 3.0.1 fixes
- LTTPR fixes
- DP MST fixes
- DCN 3.1.6 fixes
- SMU 13.x fixes
- PSP 13.x fixes
- SubVP fixes
- GC 9.4.3 fixes
- Display bandwidth calculation fixes
- VCN4 secure submission fixes
- Allow building DC on RISC-V
- Add visible FB info to bo_print_info
- HBR3 fixes
- GFX9 MCBP fix
- GMC10 vmhub index fix
- GMC11 vmhub index fix
- Create a new doorbell manager
- SR-IOV fixes
- initial freesync panel replay support
- revert zpos properly until igt regression is fixeed
- use TTM to manage doorbell BAR
- Expose both current and average power via hwmon if supported
amdkfd:
- Cleanup CRIU dma-buf handling
- Use KIQ to unmap HIQ
- GFX 9.4.3 debugger updates
- GFX 9.4.2 debugger fixes
- Enable cooperative groups fof gfx11
- SVM fixes
- Convert older APUs to use dGPU path like newer APUs
- Drop IOMMUv2 path as it is no longer used
- TBA fix for aldebaran
i915:
- ICL+ DSI modeset sequence
- HDCP improvements
- MTL display fixes and cleanups
- HSW/BDW PSR1 restored
- Init DDI ports in VBT order
- General display refactors
- Start using plane scale factor for relative data rate
- Use shmem for dpt objects
- Expose RPS thresholds in sysfs
- Apply GuC SLPC min frequency softlimit correctly
- Extend Wa_14015795083 to TGL, RKL, DG1 and ADL
- Fix a VMA UAF for multi-gt platform
- Do not use stolen on MTL due to HW bug
- Check HuC and GuC version compatibility on MTL
- avoid infinite GPU waits due to premature release
of request memory
- Fixes and updates for GSC memory allocation
- Display SDVO fixes
- Take stolen handling out of FBC code
- Make i915_coherent_map_type GT-centric
- Simplify shmem_create_from_object map_type
msm:
- SM6125 MDSS support
- DPU: SM6125 DPU support
- DSI: runtime PM support, burst mode support
- DSI PHY: SM6125 support in 14nm DSI PHY driver
- GPU: prepare for a7xx
- fix a690 firmware
- disable relocs on a6xx and newer
radeon:
- Lots of checkpatch cleanups
ast:
- improve device-model detection
- Represent BMV as virtual connector
- Report DP connection status
nouveau:
- add new exec/bind interface to support Vulkan
- document some getparam ioctls
- improve VRAM detection
- various fixes/cleanups
- workraound DPCD issues
ivpu:
- MMU updates
- debugfs support
- Support vpu4
virtio:
- add sync object support
atmel-hlcdc:
- Support inverted pixclock polarity
etnaviv:
- runtime PM cleanups
- hang handling fixes
exynos:
- use fbdev DMA helpers
- fix possible NULL ptr dereference
komeda:
- always attach encoder
omapdrm:
- use fbdev DMA helpers
ingenic:
- kconfig regmap fixes
loongson:
- support display controller
mediatek:
- Small mtk-dpi cleanups
- DisplayPort: support eDP and aux-bus
- Fix coverity issues
- Fix potential memory leak if vmap() fail
mgag200:
- minor fixes
mxsfb:
- support disabling overlay planes
panfrost:
- fix sync in IRQ handling
ssd130x:
- Support per-controller default resolution plus DT bindings
- Reduce memory-allocation overhead
- Improve intermediate buffer size computation
- Fix allocation of temporary buffers
- Fix pitch computation
- Fix shadow plane allocation
tegra:
- use fbdev DMA helpers
- Convert to devm_platform_ioremap_resource()
- support bridge/connector
- enable PM
tidss:
- Support TI AM625 plus DT bindings
- Implement new connector model plus driver updates
vkms:
- improve write back support
- docs fixes
- support gamma LUT
zynqmp-dpsub:
- misc fixes
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Merge tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"The drm core grew a new generic gpu virtual address manager, and new
execution locking helpers. These are used by nouveau now to provide
uAPI support for the userspace Vulkan driver. AMD had a bunch of new
IP core support, loads of refactoring around fbdev, but mostly just
the usual amount of stuff across the board.
core:
- fix gfp flags in drmm_kmalloc
gpuva:
- add new generic GPU VA manager (for nouveau initially)
syncobj:
- add new DRM_IOCTL_SYNCOBJ_EVENTFD ioctl
dma-buf:
- acquire resv lock for mmap() in exporters
- support dma-buf self import automatically
- docs fixes
backlight:
- fix fbdev interactions
atomic:
- improve logging
prime:
- remove struct gem_prim_mmap plus driver updates
gem:
- drm_exec: add locking over multiple GEM objects
- fix lockdep checking
fbdev:
- make fbdev userspace interfaces optional
- use linux device instead of fbdev device
- use deferred i/o helper macros in various drivers
- Make FB core selectable without drivers
- Remove obsolete flags FBINFO_DEFAULT and FBINFO_FLAG_DEFAULT
- Add helper macros and Kconfig tokens for DMA-allocated framebuffer
ttm:
- support init_on_free
- swapout fixes
panel:
- panel-edp: Support AUO B116XAB01.4
- Support Visionox R66451 plus DT bindings
- ld9040:
- Backlight support
- magic improved
- Kconfig fix
- Convert to of_device_get_match_data()
- Fix Kconfig dependencies
- simple:
- Set bpc value to fix warning
- Set connector type for AUO T215HVN01
- Support Innolux G156HCE-L01 plus DT bindings
- ili9881: Support TDO TL050HDV35 LCD panel plus DT bindings
- startek: Support KD070FHFID015 MIPI-DSI panel plus DT bindings
- sitronix-st7789v:
- Support Inanbo T28CP45TN89 plus DT bindings
- Support EDT ET028013DMA plus DT bindings
- Various cleanups
- edp: Add timings for N140HCA-EAC
- Allow panels and touchscreens to power sequence together
- Fix Innolux G156HCE-L01 LVDS clock
bridge:
- debugfs for chains support
- dw-hdmi:
- Improve support for YUV420 bus format
- CEC suspend/resume
- update EDID on HDMI detect
- dw-mipi-dsi: Fix enable/disable of DSI controller
- lt9611uxc: Use MODULE_FIRMWARE()
- ps8640: Remove broken EDID code
- samsung-dsim: Fix command transfer
- tc358764:
- Handle HS/VS polarity
- Use BIT() macro
- Various cleanups
- adv7511: Fix low refresh rate
- anx7625:
- Switch to macros instead of hardcoded values
- locking fixes
- tc358767: fix hardware delays
- sitronix-st7789v:
- Support panel orientation
- Support rotation property
- Add support for Jasonic JT240MHQS-HWT-EK-E3 plus DT bindings
amdgpu:
- SDMA 6.1.0 support
- HDP 6.1 support
- SMUIO 14.0 support
- PSP 14.0 support
- IH 6.1 support
- Lots of checkpatch cleanups
- GFX 9.4.3 updates
- Add USB PD and IFWI flashing documentation
- GPUVM updates
- RAS fixes
- DRR fixes
- FAMS fixes
- Virtual display fixes
- Soft IH fixes
- SMU13 fixes
- Rework PSP firmware loading for other IPs
- Kernel doc fixes
- DCN 3.0.1 fixes
- LTTPR fixes
- DP MST fixes
- DCN 3.1.6 fixes
- SMU 13.x fixes
- PSP 13.x fixes
- SubVP fixes
- GC 9.4.3 fixes
- Display bandwidth calculation fixes
- VCN4 secure submission fixes
- Allow building DC on RISC-V
- Add visible FB info to bo_print_info
- HBR3 fixes
- GFX9 MCBP fix
- GMC10 vmhub index fix
- GMC11 vmhub index fix
- Create a new doorbell manager
- SR-IOV fixes
- initial freesync panel replay support
- revert zpos properly until igt regression is fixeed
- use TTM to manage doorbell BAR
- Expose both current and average power via hwmon if supported
amdkfd:
- Cleanup CRIU dma-buf handling
- Use KIQ to unmap HIQ
- GFX 9.4.3 debugger updates
- GFX 9.4.2 debugger fixes
- Enable cooperative groups fof gfx11
- SVM fixes
- Convert older APUs to use dGPU path like newer APUs
- Drop IOMMUv2 path as it is no longer used
- TBA fix for aldebaran
i915:
- ICL+ DSI modeset sequence
- HDCP improvements
- MTL display fixes and cleanups
- HSW/BDW PSR1 restored
- Init DDI ports in VBT order
- General display refactors
- Start using plane scale factor for relative data rate
- Use shmem for dpt objects
- Expose RPS thresholds in sysfs
- Apply GuC SLPC min frequency softlimit correctly
- Extend Wa_14015795083 to TGL, RKL, DG1 and ADL
- Fix a VMA UAF for multi-gt platform
- Do not use stolen on MTL due to HW bug
- Check HuC and GuC version compatibility on MTL
- avoid infinite GPU waits due to premature release of request memory
- Fixes and updates for GSC memory allocation
- Display SDVO fixes
- Take stolen handling out of FBC code
- Make i915_coherent_map_type GT-centric
- Simplify shmem_create_from_object map_type
msm:
- SM6125 MDSS support
- DPU: SM6125 DPU support
- DSI: runtime PM support, burst mode support
- DSI PHY: SM6125 support in 14nm DSI PHY driver
- GPU: prepare for a7xx
- fix a690 firmware
- disable relocs on a6xx and newer
radeon:
- Lots of checkpatch cleanups
ast:
- improve device-model detection
- Represent BMV as virtual connector
- Report DP connection status
nouveau:
- add new exec/bind interface to support Vulkan
- document some getparam ioctls
- improve VRAM detection
- various fixes/cleanups
- workraound DPCD issues
ivpu:
- MMU updates
- debugfs support
- Support vpu4
virtio:
- add sync object support
atmel-hlcdc:
- Support inverted pixclock polarity
etnaviv:
- runtime PM cleanups
- hang handling fixes
exynos:
- use fbdev DMA helpers
- fix possible NULL ptr dereference
komeda:
- always attach encoder
omapdrm:
- use fbdev DMA helpers
ingenic:
- kconfig regmap fixes
loongson:
- support display controller
mediatek:
- Small mtk-dpi cleanups
- DisplayPort: support eDP and aux-bus
- Fix coverity issues
- Fix potential memory leak if vmap() fail
mgag200:
- minor fixes
mxsfb:
- support disabling overlay planes
panfrost:
- fix sync in IRQ handling
ssd130x:
- Support per-controller default resolution plus DT bindings
- Reduce memory-allocation overhead
- Improve intermediate buffer size computation
- Fix allocation of temporary buffers
- Fix pitch computation
- Fix shadow plane allocation
tegra:
- use fbdev DMA helpers
- Convert to devm_platform_ioremap_resource()
- support bridge/connector
- enable PM
tidss:
- Support TI AM625 plus DT bindings
- Implement new connector model plus driver updates
vkms:
- improve write back support
- docs fixes
- support gamma LUT
zynqmp-dpsub:
- misc fixes"
* tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm: (1327 commits)
drm/gpuva_mgr: remove unused prev pointer in __drm_gpuva_sm_map()
drm/tests/drm_kunit_helpers: Place correct function name in the comment header
drm/nouveau: uapi: don't pass NO_PREFETCH flag implicitly
drm/nouveau: uvmm: fix unset region pointer on remap
drm/nouveau: sched: avoid job races between entities
drm/i915: Fix HPD polling, reenabling the output poll work as needed
drm: Add an HPD poll helper to reschedule the poll work
drm/i915: Fix TLB-Invalidation seqno store
drm/ttm/tests: Fix type conversion in ttm_pool_test
drm/msm/a6xx: Bail out early if setting GPU OOB fails
drm/msm/a6xx: Move LLC accessors to the common header
drm/msm/a6xx: Introduce a6xx_llc_read
drm/ttm/tests: Require MMU when testing
drm/panel: simple: Fix Innolux G156HCE-L01 LVDS clock
Revert "Revert "drm/amdgpu/display: change pipe policy for DCN 2.0""
drm/amdgpu: Add memory vendor information
drm/amd: flush any delayed gfxoff on suspend entry
drm/amdgpu: skip fence GFX interrupts disable/enable for S0ix
drm/amdgpu: Remove gfxoff check in GFX v9.4.3
drm/amd/pm: Update pci link speed for smu v13.0.6
...
* Chandan Babu will be taking over as the XFS release manager. He has
reviewed all the patches that are in this branch, though I'm signing
the branch one last time since I'm still technically maintainer. :P
* Create a maintainer entry profile for XFS in which we lay out the
various roles that I have played for many years. Aside from release
manager, the remaining roles are as yet unfilled.
* Start merging online repair -- we now have in-memory pageable memory
for staging btrees, a bunch of pending fixes, and we've started the
process of refactoring the scrub support code to support more of
repair. In particular, reaping of old blocks from damaged structures.
* Scrub the realtime summary file.
* Fix a bug where scrub's quota iteration only ever returned the root
dquot. Oooops.
* Fix some typos.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Chandan Babu:
- Chandan Babu will be taking over as the XFS release manager. He has
reviewed all the patches that are in this branch, though I'm signing
the branch one last time since I'm still technically maintainer. :P
- Create a maintainer entry profile for XFS in which we lay out the
various roles that I have played for many years. Aside from release
manager, the remaining roles are as yet unfilled.
- Start merging online repair -- we now have in-memory pageable memory
for staging btrees, a bunch of pending fixes, and we've started the
process of refactoring the scrub support code to support more of
repair. In particular, reaping of old blocks from damaged structures.
- Scrub the realtime summary file.
- Fix a bug where scrub's quota iteration only ever returned the root
dquot. Oooops.
- Fix some typos.
[ Pull request from Chandan Babu, but signed tag and description from
Darrick Wong, thus the first person singular above is Darrick, not
Chandan ]
* tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (37 commits)
fs/xfs: Fix typos in comments
xfs: fix dqiterate thinko
xfs: don't check reflink iflag state when checking cow fork
xfs: simplify returns in xchk_bmap
xfs: rewrite xchk_inode_is_allocated to work properly
xfs: hide xfs_inode_is_allocated in scrub common code
xfs: fix agf_fllast when repairing an empty AGFL
xfs: allow userspace to rebuild metadata structures
xfs: clear pagf_agflreset when repairing the AGFL
xfs: allow the user to cancel repairs before we start writing
xfs: don't complain about unfixed metadata when repairs were injected
xfs: implement online scrubbing of rtsummary info
xfs: always rescan allegedly healthy per-ag metadata after repair
xfs: move the realtime summary file scrubber to a separate source file
xfs: wrap ilock/iunlock operations on sc->ip
xfs: get our own reference to inodes that we want to scrub
xfs: track usage statistics of online fsck
xfs: improve xfarray quicksort pivot
xfs: create scaffolding for creating debugfs entries
xfs: cache pages used for xfarray quicksort convergence
...
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Merge tag 'fsnotify_for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify update from Jan Kara:
"Just a small fsnotify cleanup this time"
* tag 'fsnotify_for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: Remove unused extern declaration fsnotify_get_conn_fsid()
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Merge tag 'for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, quota, and udf updates from Jan Kara:
- fixes for possible use-after-free issues with quota when racing with
chown
- fixes for ext2 crashing when xattr allocation races with another
block allocation to the same file from page writeback code
- fix for block number overflow in ext2
- marking of reiserfs as obsolete in MAINTAINERS
- assorted minor cleanups
* tag 'for_v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
ext2: Fix kernel-doc warnings
ext2: improve consistency of ext2_fsblk_t datatype usage
ext2: dump current reservation window info
ext2: fix race between setxattr and write back
ext2: introduce new flags argument for ext2_new_blocks()
ext2: remove ext2_new_block()
ext2: fix datatype of block number in ext2_xattr_set2()
udf: Drop pointless aops assignment
quota: use lockdep_assert_held_write in dquot_load_quota_sb
MAINTAINERS: change reiserfs status to obsolete
udf: Fix -Wstringop-overflow warnings
quota: simplify drop_dquot_ref()
quota: fix dqput() to follow the guarantees dquot_srcu should provide
quota: add new helper dquot_active()
quota: rename dquot_active() to inode_quota_active()
quota: factor out dquot_write_dquot()
ext2: remove redundant assignment to variable desc and variable best_desc
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Merge tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs updates from Amir Goldstein:
- add verification feature needed by composefs (Alexander Larsson)
- improve integration of overlayfs and fanotify (Amir Goldstein)
- fortify some overlayfs code (Andrea Righi)
* tag 'ovl-update-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: validate superblock in OVL_FS()
ovl: make consistent use of OVL_FS()
ovl: Kconfig: introduce CONFIG_OVERLAY_FS_DEBUG
ovl: auto generate uuid for new overlay filesystems
ovl: store persistent uuid/fsid with uuid=on
ovl: add support for unique fsid per instance
ovl: support encoding non-decodable file handles
ovl: Handle verity during copy-up
ovl: Validate verity xattr when resolving lowerdata
ovl: Add versioned header for overlay.metacopy xattr
ovl: Add framework for verity support
coalescing lots of silly duplicates.
* Use static_calls() instead of indirect calls for apic->foo()
* Tons of cleanups an crap removal along the way
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Merge tag 'x86_apic_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic updates from Dave Hansen:
"This includes a very thorough rework of the 'struct apic' handlers.
Quite a variety of them popped up over the years, especially in the
32-bit days when odd apics were much more in vogue.
The end result speaks for itself, which is a removal of a ton of code
and static calls to replace indirect calls.
If there's any breakage here, it's likely to be around the 32-bit
museum pieces that get light to no testing these days.
Summary:
- Rework apic callbacks, getting rid of unnecessary ones and
coalescing lots of silly duplicates.
- Use static_calls() instead of indirect calls for apic->foo()
- Tons of cleanups an crap removal along the way"
* tag 'x86_apic_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
x86/apic: Turn on static calls
x86/apic: Provide static call infrastructure for APIC callbacks
x86/apic: Wrap IPI calls into helper functions
x86/apic: Mark all hotpath APIC callback wrappers __always_inline
x86/xen/apic: Mark apic __ro_after_init
x86/apic: Convert other overrides to apic_update_callback()
x86/apic: Replace acpi_wake_cpu_handler_update() and apic_set_eoi_cb()
x86/apic: Provide apic_update_callback()
x86/xen/apic: Use standard apic driver mechanism for Xen PV
x86/apic: Provide common init infrastructure
x86/apic: Wrap apic->native_eoi() into a helper
x86/apic: Nuke ack_APIC_irq()
x86/apic: Remove pointless arguments from [native_]eoi_write()
x86/apic/noop: Tidy up the code
x86/apic: Remove pointless NULL initializations
x86/apic: Sanitize APIC ID range validation
x86/apic: Prepare x2APIC for using apic::max_apic_id
x86/apic: Simplify X2APIC ID validation
x86/apic: Add max_apic_id member
x86/apic: Wrap APIC ID validation into an inline
...
- Prevent kprobes on compiler generated CFI checking code.
The compiler generates a instruction sequence for indirect call
checks. If this sequence is modified with a kprobe, then the check
fails. So the instructions must be protected against probing.
- A few minor cleanups for the SMP code
Thanks,
tglx
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Merge tag 'x86-core-2023-08-30-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 core updates from Thomas Gleixner:
- Prevent kprobes on compiler generated CFI checking code.
The compiler generates an instruction sequence for indirect call
checks. If this sequence is modified with a kprobe, then the check
fails. So the instructions must be protected against probing.
- A few minor cleanups for the SMP code
* tag 'x86-core-2023-08-30-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kprobes: Prohibit probing on compiler generated CFI checking code
x86/smpboot: Change smp_store_boot_cpu_info() to static
x86/smp: Remove a non-existent function declaration
x86/smpboot: Remove a stray comment about CPU hotplug
- Include PAT in page protection modify mask
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Merge tag 'x86_mm_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Dave Hansen:
"A pair of small x86/mm updates. The INVPCID one is purely a cleanup.
The PAT one fixes a real issue, albeit a relatively obscure one
(graphics device passthrough under Xen). The fix also makes the code
much more readable.
Summary:
- Remove unnecessary "INVPCID single" feature tracking
- Include PAT in page protection modify mask"
* tag 'x86_mm_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Remove "INVPCID single" feature tracking
x86/mm: Fix PAT bit missing from page protection modify mask
Intel CPUs ship with ERMS for over a decade, but this is not true for
AMD. In particular one reasonably recent uarch (EPYC 7R13) does not
have it (or at least the bit is inactive when running on the Amazon EC2
cloud -- I found rather conflicting information about AMD CPUs vs the
extension).
Hand-rolled mov loops executing in this case are quite pessimal compared
to rep movsq for bigger sizes. While the upper limit depends on uarch,
everyone is well south of 1KB AFAICS and sizes bigger than that are
common.
While technically ancient CPUs may be suffering from rep usage, gcc has
been emitting it for years all over kernel code, so I don't think this
is a legitimate concern.
Sample result from read1_processes from will-it-scale (4KB reads/s):
before: 1507021
after: 1721828 (+14%)
Note that the cutoff point for rep usage is set to 64 bytes, which is
way too conservative but I'm sticking to what was done in 47ee3f1dd93b
("x86: re-introduce support for ERMS copies for user space accesses").
That is to say *some* copies will now go slower, which is fixable but
beyond the scope of this patch.
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'Smack-for-6.6' of https://github.com/cschaufler/smack-next
Pull smack updates from Casey Schaufler:
"Two minor fixes: is a simple spelling fix. The other is a bounds check
for a very likely underflow"
* tag 'Smack-for-6.6' of https://github.com/cschaufler/smack-next:
smackfs: Prevent underflow in smk_set_cipso()
security: smack: smackfs: fix typo (lables->labels)
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Merge tag 'integrity-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity subsystem updates from Mimi Zohar:
- With commit 099f26f22f58 ("integrity: machine keyring CA
configuration") certificates may be loaded onto the IMA keyring,
directly or indirectly signed by keys on either the "builtin" or the
"machine" keyrings.
With the ability for the system/machine owner to sign the IMA policy
itself without needing to recompile the kernel, update the IMA
architecture specific policy rules to require the IMA policy itself
be signed.
[ As commit 099f26f22f58 was upstreamed in linux-6.4, updating the
IMA architecture specific policy now to require signed IMA policies
may break userspace expectations. ]
- IMA only checked the file data hash was not on the system blacklist
keyring for files with an appended signature (e.g. kernel modules,
Power kernel image).
Check all file data hashes regardless of how it was signed
- Code cleanup, and a kernel-doc update
* tag 'integrity-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
kexec_lock: Replace kexec_mutex() by kexec_lock() in two comments
ima: require signed IMA policy when UEFI secure boot is enabled
integrity: Always reference the blacklist keyring with appraisal
ima: Remove deprecated IMA_TRUSTED_KEYRING Kconfig
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Merge tag 'lsm-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
Pull LSM updates from Paul Moore:
- Add proper multi-LSM support for xattrs in the
security_inode_init_security() hook
Historically the LSM layer has only allowed a single LSM to add an
xattr to an inode, with IMA/EVM measuring that and adding its own as
well. As we work towards promoting IMA/EVM to a "proper LSM" instead
of the special case that it is now, we need to better support the
case of multiple LSMs each adding xattrs to an inode and after
several attempts we now appear to have something that is working
well. It is worth noting that in the process of making this change we
uncovered a problem with Smack's SMACK64TRANSMUTE xattr which is also
fixed in this pull request.
- Additional LSM hook constification
Two patches to constify parameters to security_capget() and
security_binder_transfer_file(). While I generally don't make a
special note of who submitted these patches, these were the work of
an Outreachy intern, Khadija Kamran, and that makes me happy;
hopefully it does the same for all of you reading this.
- LSM hook comment header fixes
One patch to add a missing hook comment header, one to fix a minor
typo.
- Remove an old, unused credential function declaration
It wasn't clear to me who should pick this up, but it was trivial,
obviously correct, and arguably the LSM layer has a vested interest
in credentials so I merged it. Sadly I'm now noticing that despite my
subject line cleanup I didn't cleanup the "unsued" misspelling, sigh
* tag 'lsm-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
lsm: constify the 'file' parameter in security_binder_transfer_file()
lsm: constify the 'target' parameter in security_capget()
lsm: add comment block for security_sk_classify_flow LSM hook
security: Fix ret values doc for security_inode_init_security()
cred: remove unsued extern declaration change_create_files_as()
evm: Support multiple LSMs providing an xattr
evm: Align evm_inode_init_security() definition with LSM infrastructure
smack: Set the SMACK64TRANSMUTE xattr in smack_inode_init_security()
security: Allow all LSMs to provide xattrs for inode_init_security hook
lsm: fix typo in security_file_lock() comment header
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Merge tag 'selinux-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"Thirty three SELinux patches, which is a pretty big number for us, but
there isn't really anything scary in here; in fact we actually manage
to remove 10 lines of code with this :)
- Promote the SELinux DEBUG_HASHES macro to CONFIG_SECURITY_SELINUX_DEBUG
The DEBUG_HASHES macro was a buried SELinux specific preprocessor
debug macro that was a problem waiting to happen. Promoting the
debug macro to a proper Kconfig setting should help both improve
the visibility of the feature as well enable improved test
coverage. We've moved some additional debug functions under the
CONFIG_SECURITY_SELINUX_DEBUG flag and we may see more work in the
future.
- Emit a pr_notice() message if virtual memory is executable by default
As this impacts the SELinux access control policy enforcement, if
the system's configuration is such that virtual memory is
executable by default we print a single line notice to the console.
- Drop avtab_search() in favor of avtab_search_node()
Both functions are nearly identical so we removed avtab_search()
and converted the callers to avtab_search_node().
- Add some SELinux network auditing helpers
The helpers not only reduce a small amount of code duplication, but
they provide an opportunity to improve UDP flood performance
slightly by delaying initialization of the audit data in some
cases.
- Convert GFP_ATOMIC allocators to GFP_KERNEL when reading SELinux policy
There were two SELinux policy load helper functions that were
allocating memory using GFP_ATOMIC, they have been converted to
GFP_KERNEL.
- Quiet a KMSAN warning in selinux_inet_conn_request()
A one-line error path (re)set patch that resolves a KMSAN warning.
It is important to note that this doesn't represent a real bug in
the current code, but it quiets KMSAN and arguably hardens the code
against future changes.
- Cleanup the policy capability accessor functions
This is a follow-up to the patch which reverted SELinux to using a
global selinux_state pointer. This patch cleans up some artifacts
of that change and turns each accessor into a one-line READ_ONCE()
call into the policy capabilities array.
- A number of patches from Christian Göttsche
Christian submitted almost two-thirds of the patches in this pull
request as he worked to harden the SELinux code against type
differences, variable overflows, etc.
- Support for separating early userspace from the kernel in policy,
with a later revert
We did have a patch that added a new userspace initial SID which
would allow SELinux to distinguish between early user processes
created before the initial policy load and the kernel itself.
Unfortunately additional post-merge testing revealed a problematic
interaction with an old SELinux userspace on an old version of
Ubuntu so we've reverted the patch until we can resolve the
compatibility issue.
- Remove some outdated comments dealing with LSM hook registration
When we removed the runtime disable functionality we forgot to
remove some old comments discussing the importance of LSM hook
registration ordering.
- Minor administrative changes
Stephen Smalley updated his email address and "debranded" SELinux
from "NSA SELinux" to simply "SELinux". We've come a long way from
the original NSA submission and I would consider SELinux a true
community project at this point so removing the NSA branding just
makes sense"
* tag 'selinux-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: (33 commits)
selinux: prevent KMSAN warning in selinux_inet_conn_request()
selinux: use unsigned iterator in nlmsgtab code
selinux: avoid implicit conversions in policydb code
selinux: avoid implicit conversions in selinuxfs code
selinux: make left shifts well defined
selinux: update type for number of class permissions in services code
selinux: avoid implicit conversions in avtab code
selinux: revert SECINITSID_INIT support
selinux: use GFP_KERNEL while reading binary policy
selinux: update comment on selinux_hooks[]
selinux: avoid implicit conversions in services code
selinux: avoid implicit conversions in mls code
selinux: use identical iterator type in hashtab_duplicate()
selinux: move debug functions into debug configuration
selinux: log about VM being executable by default
selinux: fix a 0/NULL mistmatch in ad_net_init_from_iif()
selinux: introduce SECURITY_SELINUX_DEBUG configuration
selinux: introduce and use lsm_ad_net_init*() helpers
selinux: update my email address
selinux: add missing newlines in pr_err() statements
...
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Merge tag 'audit-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"Six audit patches, the highlights are:
- Add an explicit cond_resched() call when generating PATH records
Certain tracefs/debugfs operations can generate a *lot* of audit
PATH entries and if one has an aggressive system configuration (not
the default) this can cause a soft lockup in the audit code as it
works to process all of these new entries.
This is in sharp contrast to the common case where only one or two
PATH entries are logged. In order to fix this corner case without
excessively impacting the common case we're adding a single
cond_rescued() call between two of the most intensive loops in the
__audit_inode_child() function.
- Various minor cleanups
We removed a conditional header file as the included header already
had the necessary logic in place, fixed a dummy function's return
value, and the usual collection of checkpatch.pl noise (whitespace,
brace, and trailing statement tweaks)"
* tag 'audit-pr-20230829' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: move trailing statements to next line
audit: cleanup function braces and assignment-in-if-condition
audit: add space before parenthesis and around '=', "==", and '<'
audit: fix possible soft lockup in __audit_inode_child()
audit: correct audit_filter_inodes() definition
audit: include security.h unconditionally
- allow dynamic sizing of the swiotlb buffer, to cater for secure
virtualization workloads that require all I/O to be bounce buffered
(Petr Tesarik)
- move a declaration to a header (Arnd Bergmann)
- check for memory region overlap in dma-contiguous (Binglei Wang)
- remove the somewhat dangerous runtime swiotlb-xen enablement and
unexport is_swiotlb_active (Christoph Hellwig, Juergen Gross)
- per-node CMA improvements (Yajun Deng)
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Merge tag 'dma-mapping-6.6-2023-08-29' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-maping updates from Christoph Hellwig:
- allow dynamic sizing of the swiotlb buffer, to cater for secure
virtualization workloads that require all I/O to be bounce buffered
(Petr Tesarik)
- move a declaration to a header (Arnd Bergmann)
- check for memory region overlap in dma-contiguous (Binglei Wang)
- remove the somewhat dangerous runtime swiotlb-xen enablement and
unexport is_swiotlb_active (Christoph Hellwig, Juergen Gross)
- per-node CMA improvements (Yajun Deng)
* tag 'dma-mapping-6.6-2023-08-29' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: optimize get_max_slots()
swiotlb: move slot allocation explanation comment where it belongs
swiotlb: search the software IO TLB only if the device makes use of it
swiotlb: allocate a new memory pool when existing pools are full
swiotlb: determine potential physical address limit
swiotlb: if swiotlb is full, fall back to a transient memory pool
swiotlb: add a flag whether SWIOTLB is allowed to grow
swiotlb: separate memory pool data from other allocator data
swiotlb: add documentation and rename swiotlb_do_find_slots()
swiotlb: make io_tlb_default_mem local to swiotlb.c
swiotlb: bail out of swiotlb_init_late() if swiotlb is already allocated
dma-contiguous: check for memory region overlap
dma-contiguous: support numa CMA for specified node
dma-contiguous: support per-numa CMA for all architectures
dma-mapping: move arch_dma_set_mask() declaration to header
swiotlb: unexport is_swiotlb_active
x86: always initialize xen-swiotlb when xen-pcifront is enabling
xen/pci: add flag for PCI passthrough being possible
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Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
"Pretty quiet round for this release. This contains:
- Add support for zoned storage to ublk (Andreas, Ming)
- Series improving performance for drivers that mark themselves as
needing a blocking context for issue (Bart)
- Cleanup the flush logic (Chengming)
- sed opal keyring support (Greg)
- Fixes and improvements to the integrity support (Jinyoung)
- Add some exports for bcachefs that we can hopefully delete again in
the future (Kent)
- deadline throttling fix (Zhiguo)
- Series allowing building the kernel without buffer_head support
(Christoph)
- Sanitize the bio page adding flow (Christoph)
- Write back cache fixes (Christoph)
- MD updates via Song:
- Fix perf regression for raid0 large sequential writes (Jan)
- Fix split bio iostat for raid0 (David)
- Various raid1 fixes (Heinz, Xueshi)
- raid6test build fixes (WANG)
- Deprecate bitmap file support (Christoph)
- Fix deadlock with md sync thread (Yu)
- Refactor md io accounting (Yu)
- Various non-urgent fixes (Li, Yu, Jack)
- Various fixes and cleanups (Arnd, Azeem, Chengming, Damien, Li,
Ming, Nitesh, Ruan, Tejun, Thomas, Xu)"
* tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux: (113 commits)
block: use strscpy() to instead of strncpy()
block: sed-opal: keyring support for SED keys
block: sed-opal: Implement IOC_OPAL_REVERT_LSP
block: sed-opal: Implement IOC_OPAL_DISCOVERY
blk-mq: prealloc tags when increase tagset nr_hw_queues
blk-mq: delete redundant tagset map update when fallback
blk-mq: fix tags leak when shrink nr_hw_queues
ublk: zoned: support REQ_OP_ZONE_RESET_ALL
md: raid0: account for split bio in iostat accounting
md/raid0: Fix performance regression for large sequential writes
md/raid0: Factor out helper for mapping and submitting a bio
md raid1: allow writebehind to work on any leg device set WriteMostly
md/raid1: hold the barrier until handle_read_error() finishes
md/raid1: free the r1bio before waiting for blocked rdev
md/raid1: call free_r1bio() before allow_barrier() in raid_end_bio_io()
blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init
drivers/rnbd: restore sysfs interface to rnbd-client
md/raid5-cache: fix null-ptr-deref for r5l_flush_stripe_to_raid()
raid6: test: only check for Altivec if building on powerpc hosts
raid6: test: make sure all intermediate and artifact files are .gitignored
...
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Merge tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux
Pull io_uring updates from Jens Axboe:
"Fairly quiet round in terms of features, mostly just improvements all
over the map for existing code. In detail:
- Initial support for socket operations through io_uring. Latter half
of this will likely land with the 6.7 kernel, then allowing things
like get/setsockopt (Breno)
- Cleanup of the cancel code, and then adding support for canceling
requests with the opcode as the key (me)
- Improvements for the io-wq locking (me)
- Fix affinity setting for SQPOLL based io-wq (me)
- Remove the io_uring userspace code. These were added initially as
copies from liburing, but all of them have since bitrotted and are
way out of date at this point. Rather than attempt to keep them in
sync, just get rid of them. People will have liburing available
anyway for these examples. (Pavel)
- Series improving the CQ/SQ ring caching (Pavel)
- Misc fixes and cleanups (Pavel, Yue, me)"
* tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux: (47 commits)
io_uring: move iopoll ctx fields around
io_uring: move multishot cqe cache in ctx
io_uring: separate task_work/waiting cache line
io_uring: banish non-hot data to end of io_ring_ctx
io_uring: move non aligned field to the end
io_uring: add option to remove SQ indirection
io_uring: compact SQ/CQ heads/tails
io_uring: force inline io_fill_cqe_req
io_uring: merge iopoll and normal completion paths
io_uring: reorder cqring_flush and wakeups
io_uring: optimise extra io_get_cqe null check
io_uring: refactor __io_get_cqe()
io_uring: simplify big_cqe handling
io_uring: cqe init hardening
io_uring: improve cqe !tracing hot path
io_uring/rsrc: Annotate struct io_mapped_ubuf with __counted_by
io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used
io_uring: simplify io_run_task_work_sig return
io_uring/rsrc: keep one global dummy_ubuf
io_uring: never overflow io_aux_cqe
...
Long ago we set out to remove the kitchen sink on kernel/sysctl.c arrays and
placings sysctls to their own sybsystem or file to help avoid merge conflicts.
Matthew Wilcox pointed out though that if we're going to do that we might as
well also *save* space while at it and try to remove the extra last sysctl
entry added at the end of each array, a sentintel, instead of bloating the
kernel by adding a new sentinel with each array moved.
Doing that was not so trivial, and has required slowing down the moves of
kernel/sysctl.c arrays and measuring the impact on size by each new move.
The complex part of the effort to help reduce the size of each sysctl is being
done by the patient work of el señor Don Joel Granados. A lot of this is truly
painful code refactoring and testing and then trying to measure the savings of
each move and removing the sentinels. Although Joel already has code which does
most of this work, experience with sysctl moves in the past shows is we need to
be careful due to the slew of odd build failures that are possible due to the
amount of random Kconfig options sysctls use.
To that end Joel's work is split by first addressing the major housekeeping
needed to remove the sentinels, which is part of this merge request. The rest
of the work to actually remove the sentinels will be done later in future
kernel releases.
At first I was only going to send his first 7 patches of his patch series,
posted 1 month ago, but in retrospect due to the testing the changes have
received in linux-next and the minor changes they make this goes with the
entire set of patches Joel had planned: just sysctl house keeping. There are
networking changes but these are part of the house keeping too.
The preliminary math is showing this will all help reduce the overall build
time size of the kernel and run time memory consumed by the kernel by about
~64 bytes per array where we are able to remove each sentinel in the future.
That also means there is no more bloating the kernel with the extra ~64 bytes
per array moved as no new sentinels are created.
Most of this has been in linux-next for about a month, the last 7 patches took
a minor refresh 2 week ago based on feedback.
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Merge tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull sysctl updates from Luis Chamberlain:
"Long ago we set out to remove the kitchen sink on kernel/sysctl.c
arrays and placings sysctls to their own sybsystem or file to help
avoid merge conflicts. Matthew Wilcox pointed out though that if we're
going to do that we might as well also *save* space while at it and
try to remove the extra last sysctl entry added at the end of each
array, a sentintel, instead of bloating the kernel by adding a new
sentinel with each array moved.
Doing that was not so trivial, and has required slowing down the moves
of kernel/sysctl.c arrays and measuring the impact on size by each new
move.
The complex part of the effort to help reduce the size of each sysctl
is being done by the patient work of el señor Don Joel Granados. A lot
of this is truly painful code refactoring and testing and then trying
to measure the savings of each move and removing the sentinels.
Although Joel already has code which does most of this work,
experience with sysctl moves in the past shows is we need to be
careful due to the slew of odd build failures that are possible due to
the amount of random Kconfig options sysctls use.
To that end Joel's work is split by first addressing the major
housekeeping needed to remove the sentinels, which is part of this
merge request. The rest of the work to actually remove the sentinels
will be done later in future kernel releases.
The preliminary math is showing this will all help reduce the overall
build time size of the kernel and run time memory consumed by the
kernel by about ~64 bytes per array where we are able to remove each
sentinel in the future. That also means there is no more bloating the
kernel with the extra ~64 bytes per array moved as no new sentinels
are created"
* tag 'sysctl-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
sysctl: Use ctl_table_size as stopping criteria for list macro
sysctl: SIZE_MAX->ARRAY_SIZE in register_net_sysctl
vrf: Update to register_net_sysctl_sz
networking: Update to register_net_sysctl_sz
netfilter: Update to register_net_sysctl_sz
ax.25: Update to register_net_sysctl_sz
sysctl: Add size to register_net_sysctl function
sysctl: Add size arg to __register_sysctl_init
sysctl: Add size to register_sysctl
sysctl: Add a size arg to __register_sysctl_table
sysctl: Add size argument to init_header
sysctl: Add ctl_table_size to ctl_table_header
sysctl: Use ctl_table_header in list_for_each_table_entry
sysctl: Prefer ctl_table_header in proc_sysctl
Summary of the changes worth highlighting from most interesting to boring below:
* Christoph Hellwig's symbol_get() fix to Nvidia's efforts to circumvent the
protection he put in place in year 2020 to prevent proprietary modules from
using GPL only symbols, and also ensuring proprietary modules which export
symbols grandfather their taint. That was done through year 2020 commit
262e6ae7081d ("modules: inherit TAINT_PROPRIETARY_MODULE"). Christoph's new
fix is done by clarifing __symbol_get() was only ever intended to prevent
module reference loops by Linux kernel modules and so making it only find
symbols exported via EXPORT_SYMBOL_GPL(). The circumvention tactic used
by Nvidia was to use symbol_get() to purposely swift through proprietary
module symbols and completley bypass our traditional EXPORT_SYMBOL*()
annotations and community agreed upon restrictions.
A small set of preamble patches fix up a few symbols which just needed
adjusting for this on two modules, the rtc ds1685 and the networking enetc
module. Two other modules just needed some build fixing and removal of use
of __symbol_get() as they can't ever be modular, as was done by Arnd on
the ARM pxa module and Christoph did on the mmc au1xmmc driver.
This is a good reminder to us that symbol_get() is just a hack to address
things which should be fixed through Kconfig at build time as was done in
the later patches, and so ultimately it should just go.
* Extremely late minor fix for old module layout 055f23b74b20 ("module: check
for exit sections in layout_sections() instead of module_init_section()") by
James Morse for arm64. Note that this layout thing is old, it is *not*
Song Liu's commit ac3b43283923 ("module: replace module_layout with
module_memory"). The issue however is very odd to run into and so there was
no hurry to get this in fast.
* Although the fix did not go through the modules tree I'd like to highlight
the fix by Peter Zijlstra in commit 54097309620e ("x86/static_call: Fix
__static_call_fixup()") now merged in your tree which came out of what
was originally suspected to be a fallout of the the newer module layout
changes by Song Liu commit ac3b43283923 ("module: replace module_layout
with module_memory") instead of module_init_section()"). Thanks to the report
by Christian Bricart and the debugging by Song Liu & Peter that turned to
be noted as a kernel regression in place since v5.19 through commit
ee88d363d156 ("x86,static_call: Use alternative RET encoding").
I highlight this to reflect and clarify that we haven't seen more fallout
from ac3b43283923 ("module: replace module_layout with module_memory").
* RISC-V toolchain got mapping symbol support which prefix symbols with "$"
to help with alignment considerations for disassembly. This is used to
differentiate between incompatible instruction encodings when disassembling.
RISC-V just matches what ARM/AARCH64 did for alignment considerations and
Palmer Dabbelt extended is_mapping_symbol() to accept these symbols for
RISC-V. We already had support for this for all architectures but it also
checked for the second character, the RISC-V check Dabbelt added was just
for the "$". After a bit of testing and fallout on linux-next and based on
feedback from Masahiro Yamada it was decided to simplify the check and treat
the first char "$" as unique for all architectures, and so we no make
is_mapping_symbol() for all archs if the symbol starts with "$".
The most relevant commit for this for RISC-V on binutils was:
https://sourceware.org/pipermail/binutils/2021-July/117350.html
* A late fix by Andrea Righi (today) to make module zstd decompression use
vmalloc() instead of kmalloc() to account for large compressed modules. I
suspect we'll see similar things for other decompression algorithms soon.
* samples/hw_breakpoint minor fixes by Rong Tao, Arnd Bergmann and Chen Jiahao
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Merge tag 'modules-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull modules updates from Luis Chamberlain:
"Summary of the changes worth highlighting from most interesting to
boring below:
- Christoph Hellwig's symbol_get() fix to Nvidia's efforts to
circumvent the protection he put in place in year 2020 to prevent
proprietary modules from using GPL only symbols, and also ensuring
proprietary modules which export symbols grandfather their taint.
That was done through year 2020 commit 262e6ae7081d ("modules:
inherit TAINT_PROPRIETARY_MODULE"). Christoph's new fix is done by
clarifing __symbol_get() was only ever intended to prevent module
reference loops by Linux kernel modules and so making it only find
symbols exported via EXPORT_SYMBOL_GPL(). The circumvention tactic
used by Nvidia was to use symbol_get() to purposely swift through
proprietary module symbols and completely bypass our traditional
EXPORT_SYMBOL*() annotations and community agreed upon
restrictions.
A small set of preamble patches fix up a few symbols which just
needed adjusting for this on two modules, the rtc ds1685 and the
networking enetc module. Two other modules just needed some build
fixing and removal of use of __symbol_get() as they can't ever be
modular, as was done by Arnd on the ARM pxa module and Christoph
did on the mmc au1xmmc driver.
This is a good reminder to us that symbol_get() is just a hack to
address things which should be fixed through Kconfig at build time
as was done in the later patches, and so ultimately it should just
go.
- Extremely late minor fix for old module layout 055f23b74b20
("module: check for exit sections in layout_sections() instead of
module_init_section()") by James Morse for arm64. Note that this
layout thing is old, it is *not* Song Liu's commit ac3b43283923
("module: replace module_layout with module_memory"). The issue
however is very odd to run into and so there was no hurry to get
this in fast.
- Although the fix did not go through the modules tree I'd like to
highlight the fix by Peter Zijlstra in commit 54097309620e
("x86/static_call: Fix __static_call_fixup()") now merged in your
tree which came out of what was originally suspected to be a
fallout of the the newer module layout changes by Song Liu commit
ac3b43283923 ("module: replace module_layout with module_memory")
instead of module_init_section()"). Thanks to the report by
Christian Bricart and the debugging by Song Liu & Peter that turned
to be noted as a kernel regression in place since v5.19 through
commit ee88d363d156 ("x86,static_call: Use alternative RET
encoding").
I highlight this to reflect and clarify that we haven't seen more
fallout from ac3b43283923 ("module: replace module_layout with
module_memory").
- RISC-V toolchain got mapping symbol support which prefix symbols
with "$" to help with alignment considerations for disassembly.
This is used to differentiate between incompatible instruction
encodings when disassembling. RISC-V just matches what ARM/AARCH64
did for alignment considerations and Palmer Dabbelt extended
is_mapping_symbol() to accept these symbols for RISC-V. We already
had support for this for all architectures but it also checked for
the second character, the RISC-V check Dabbelt added was just for
the "$". After a bit of testing and fallout on linux-next and based
on feedback from Masahiro Yamada it was decided to simplify the
check and treat the first char "$" as unique for all architectures,
and so we no make is_mapping_symbol() for all archs if the symbol
starts with "$".
The most relevant commit for this for RISC-V on binutils was:
https://sourceware.org/pipermail/binutils/2021-July/117350.html
- A late fix by Andrea Righi (today) to make module zstd
decompression use vmalloc() instead of kmalloc() to account for
large compressed modules. I suspect we'll see similar things for
other decompression algorithms soon.
- samples/hw_breakpoint minor fixes by Rong Tao, Arnd Bergmann and
Chen Jiahao"
* tag 'modules-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
module/decompress: use vmalloc() for zstd decompression workspace
kallsyms: Add more debug output for selftest
ARM: module: Use module_init_layout_section() to spot init sections
arm64: module: Use module_init_layout_section() to spot init sections
module: Expose module_init_layout_section()
modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules
rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc_poweroff
net: enetc: use EXPORT_SYMBOL_GPL for enetc_phc_index
mmc: au1xmmc: force non-modular build and remove symbol_get usage
ARM: pxa: remove use of symbol_get()
samples/hw_breakpoint: mark sample_hbp as static
samples/hw_breakpoint: fix building without module unloading
samples/hw_breakpoint: Fix kernel BUG 'invalid opcode: 0000'
modpost, kallsyms: Treat add '$'-prefixed symbols as mapping symbols
kernel: params: Remove unnecessary ‘0’ values from err
module: Ignore RISC-V mapping symbols too
("refactor Kconfig to consolidate KEXEC and CRASH options").
- kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
couple of macros to args.h").
- gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
commands").
- vsprintf inclusion rationalization from Andy Shevchenko
("lib/vsprintf: Rework header inclusions").
- Switch the handling of kdump from a udev scheme to in-kernel handling,
by Eric DeVolder ("crash: Kernel handling of CPU and memory hot
un/plug").
- Many singleton patches to various parts of the tree
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Merge tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- An extensive rework of kexec and crash Kconfig from Eric DeVolder
("refactor Kconfig to consolidate KEXEC and CRASH options")
- kernel.h slimming work from Andy Shevchenko ("kernel.h: Split out a
couple of macros to args.h")
- gdb feature work from Kuan-Ying Lee ("Add GDB memory helper
commands")
- vsprintf inclusion rationalization from Andy Shevchenko
("lib/vsprintf: Rework header inclusions")
- Switch the handling of kdump from a udev scheme to in-kernel
handling, by Eric DeVolder ("crash: Kernel handling of CPU and memory
hot un/plug")
- Many singleton patches to various parts of the tree
* tag 'mm-nonmm-stable-2023-08-28-22-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (81 commits)
document while_each_thread(), change first_tid() to use for_each_thread()
drivers/char/mem.c: shrink character device's devlist[] array
x86/crash: optimize CPU changes
crash: change crash_prepare_elf64_headers() to for_each_possible_cpu()
crash: hotplug support for kexec_load()
x86/crash: add x86 crash hotplug support
crash: memory and CPU hotplug sysfs attributes
kexec: exclude elfcorehdr from the segment digest
crash: add generic infrastructure for crash hotplug support
crash: move a few code bits to setup support of crash hotplug
kstrtox: consistently use _tolower()
kill do_each_thread()
nilfs2: fix WARNING in mark_buffer_dirty due to discarded buffer reuse
scripts/bloat-o-meter: count weak symbol sizes
treewide: drop CONFIG_EMBEDDED
lockdep: fix static memory detection even more
lib/vsprintf: declare no_hash_pointers in sprintf.h
lib/vsprintf: split out sprintf() and friends
kernel/fork: stop playing lockless games for exe_file replacement
adfs: delete unused "union adfs_dirtail" definition
...
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
reduces the special-case code for handling hugetlb pages in GUP. It
also speeds up GUP handling of transparent hugepages.
- Peng Zhang provides some maple tree speedups ("Optimize the fast path
of mas_store()").
- Sergey Senozhatsky has improved te performance of zsmalloc during
compaction (zsmalloc: small compaction improvements").
- Domenico Cerasuolo has developed additional selftest code for zswap
("selftests: cgroup: add zswap test program").
- xu xin has doe some work on KSM's handling of zero pages. These
changes are mainly to enable the user to better understand the
effectiveness of KSM's treatment of zero pages ("ksm: support tracking
KSM-placed zero-pages").
- Jeff Xu has fixes the behaviour of memfd's
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
- David Howells has fixed an fscache optimization ("mm, netfs, fscache:
Stop read optimisation when folio removed from pagecache").
- Axel Rasmussen has given userfaultfd the ability to simulate memory
poisoning ("add UFFDIO_POISON to simulate memory poisoning with UFFD").
- Miaohe Lin has contributed some routine maintenance work on the
memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
check").
- Peng Zhang has contributed some maintenance work on the maple tree
code ("Improve the validation for maple tree and some cleanup").
- Hugh Dickins has optimized the collapsing of shmem or file pages into
THPs ("mm: free retracted page table by RCU").
- Jiaqi Yan has a patch series which permits us to use the healthy
subpages within a hardware poisoned huge page for general purposes
("Improve hugetlbfs read on HWPOISON hugepages").
- Kemeng Shi has done some maintenance work on the pagetable-check code
("Remove unused parameters in page_table_check").
- More folioification work from Matthew Wilcox ("More filesystem folio
conversions for 6.6"), ("Followup folio conversions for zswap"). And
from ZhangPeng ("Convert several functions in page_io.c to use a
folio").
- page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
- Baoquan He has converted some architectures to use the GENERIC_IOREMAP
ioremap()/iounmap() code ("mm: ioremap: Convert architectures to take
GENERIC_IOREMAP way").
- Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
batched/deferred tlb shootdown during page reclamation/migration").
- Better maple tree lockdep checking from Liam Howlett ("More strict
maple tree lockdep"). Liam also developed some efficiency improvements
("Reduce preallocations for maple tree").
- Cleanup and optimization to the secondary IOMMU TLB invalidation, from
Alistair Popple ("Invalidate secondary IOMMU TLB on permission
upgrade").
- Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
for arm64").
- Kemeng Shi provides some maintenance work on the compaction code ("Two
minor cleanups for compaction").
- Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle most
file-backed faults under the VMA lock").
- Aneesh Kumar contributes code to use the vmemmap optimization for DAX
on ppc64, under some circumstances ("Add support for DAX vmemmap
optimization for ppc64").
- page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
data in page_ext"), ("minor cleanups to page_ext header").
- Some zswap cleanups from Johannes Weiner ("mm: zswap: three
cleanups").
- kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
- VMA handling cleanups from Kefeng Wang ("mm: convert to
vma_is_initial_heap/stack()").
- DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
address ranges and DAMON monitoring targets").
- Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
- Liam Howlett has improved the maple tree node replacement code
("maple_tree: Change replacement strategy").
- ZhangPeng has a general code cleanup - use the K() macro more widely
("cleanup with helper macro K()").
- Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for memmap
on memory feature on ppc64").
- pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
in page_alloc"), ("Two minor cleanups for get pageblock migratetype").
- Vishal Moola introduces a memory descriptor for page table tracking,
"struct ptdesc" ("Split ptdesc from struct page").
- memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
for vm.memfd_noexec").
- MM include file rationalization from Hugh Dickins ("arch: include
asm/cacheflush.h in asm/hugetlb.h").
- THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
output").
- kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
object_cache instead of kmemleak_initialized").
- More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
and _folio_order").
- A VMA locking scalability improvement from Suren Baghdasaryan
("Per-VMA lock support for swap and userfaults").
- pagetable handling cleanups from Matthew Wilcox ("New page table range
API").
- A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
using page->private on tail pages for THP_SWAP + cleanups").
- Cleanups and speedups to the hugetlb fault handling from Matthew
Wilcox ("Change calling convention for ->huge_fault").
- Matthew Wilcox has also done some maintenance work on the MM subsystem
documentation ("Improve mm documentation").
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Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Some swap cleanups from Ma Wupeng ("fix WARN_ON in
add_to_avail_list")
- Peter Xu has a series (mm/gup: Unify hugetlb, speed up thp") which
reduces the special-case code for handling hugetlb pages in GUP. It
also speeds up GUP handling of transparent hugepages.
- Peng Zhang provides some maple tree speedups ("Optimize the fast path
of mas_store()").
- Sergey Senozhatsky has improved te performance of zsmalloc during
compaction (zsmalloc: small compaction improvements").
- Domenico Cerasuolo has developed additional selftest code for zswap
("selftests: cgroup: add zswap test program").
- xu xin has doe some work on KSM's handling of zero pages. These
changes are mainly to enable the user to better understand the
effectiveness of KSM's treatment of zero pages ("ksm: support
tracking KSM-placed zero-pages").
- Jeff Xu has fixes the behaviour of memfd's
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED sysctl ("mm/memfd: fix sysctl
MEMFD_NOEXEC_SCOPE_NOEXEC_ENFORCED").
- David Howells has fixed an fscache optimization ("mm, netfs, fscache:
Stop read optimisation when folio removed from pagecache").
- Axel Rasmussen has given userfaultfd the ability to simulate memory
poisoning ("add UFFDIO_POISON to simulate memory poisoning with
UFFD").
- Miaohe Lin has contributed some routine maintenance work on the
memory-failure code ("mm: memory-failure: remove unneeded PageHuge()
check").
- Peng Zhang has contributed some maintenance work on the maple tree
code ("Improve the validation for maple tree and some cleanup").
- Hugh Dickins has optimized the collapsing of shmem or file pages into
THPs ("mm: free retracted page table by RCU").
- Jiaqi Yan has a patch series which permits us to use the healthy
subpages within a hardware poisoned huge page for general purposes
("Improve hugetlbfs read on HWPOISON hugepages").
- Kemeng Shi has done some maintenance work on the pagetable-check code
("Remove unused parameters in page_table_check").
- More folioification work from Matthew Wilcox ("More filesystem folio
conversions for 6.6"), ("Followup folio conversions for zswap"). And
from ZhangPeng ("Convert several functions in page_io.c to use a
folio").
- page_ext cleanups from Kemeng Shi ("minor cleanups for page_ext").
- Baoquan He has converted some architectures to use the
GENERIC_IOREMAP ioremap()/iounmap() code ("mm: ioremap: Convert
architectures to take GENERIC_IOREMAP way").
- Anshuman Khandual has optimized arm64 tlb shootdown ("arm64: support
batched/deferred tlb shootdown during page reclamation/migration").
- Better maple tree lockdep checking from Liam Howlett ("More strict
maple tree lockdep"). Liam also developed some efficiency
improvements ("Reduce preallocations for maple tree").
- Cleanup and optimization to the secondary IOMMU TLB invalidation,
from Alistair Popple ("Invalidate secondary IOMMU TLB on permission
upgrade").
- Ryan Roberts fixes some arm64 MM selftest issues ("selftests/mm fixes
for arm64").
- Kemeng Shi provides some maintenance work on the compaction code
("Two minor cleanups for compaction").
- Some reduction in mmap_lock pressure from Matthew Wilcox ("Handle
most file-backed faults under the VMA lock").
- Aneesh Kumar contributes code to use the vmemmap optimization for DAX
on ppc64, under some circumstances ("Add support for DAX vmemmap
optimization for ppc64").
- page-ext cleanups from Kemeng Shi ("add page_ext_data to get client
data in page_ext"), ("minor cleanups to page_ext header").
- Some zswap cleanups from Johannes Weiner ("mm: zswap: three
cleanups").
- kmsan cleanups from ZhangPeng ("minor cleanups for kmsan").
- VMA handling cleanups from Kefeng Wang ("mm: convert to
vma_is_initial_heap/stack()").
- DAMON feature work from SeongJae Park ("mm/damon/sysfs-schemes:
implement DAMOS tried total bytes file"), ("Extend DAMOS filters for
address ranges and DAMON monitoring targets").
- Compaction work from Kemeng Shi ("Fixes and cleanups to compaction").
- Liam Howlett has improved the maple tree node replacement code
("maple_tree: Change replacement strategy").
- ZhangPeng has a general code cleanup - use the K() macro more widely
("cleanup with helper macro K()").
- Aneesh Kumar brings memmap-on-memory to ppc64 ("Add support for
memmap on memory feature on ppc64").
- pagealloc cleanups from Kemeng Shi ("Two minor cleanups for pcp list
in page_alloc"), ("Two minor cleanups for get pageblock
migratetype").
- Vishal Moola introduces a memory descriptor for page table tracking,
"struct ptdesc" ("Split ptdesc from struct page").
- memfd selftest maintenance work from Aleksa Sarai ("memfd: cleanups
for vm.memfd_noexec").
- MM include file rationalization from Hugh Dickins ("arch: include
asm/cacheflush.h in asm/hugetlb.h").
- THP debug output fixes from Hugh Dickins ("mm,thp: fix sloppy text
output").
- kmemleak improvements from Xiaolei Wang ("mm/kmemleak: use
object_cache instead of kmemleak_initialized").
- More folio-related cleanups from Matthew Wilcox ("Remove _folio_dtor
and _folio_order").
- A VMA locking scalability improvement from Suren Baghdasaryan
("Per-VMA lock support for swap and userfaults").
- pagetable handling cleanups from Matthew Wilcox ("New page table
range API").
- A batch of swap/thp cleanups from David Hildenbrand ("mm/swap: stop
using page->private on tail pages for THP_SWAP + cleanups").
- Cleanups and speedups to the hugetlb fault handling from Matthew
Wilcox ("Change calling convention for ->huge_fault").
- Matthew Wilcox has also done some maintenance work on the MM
subsystem documentation ("Improve mm documentation").
* tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (489 commits)
maple_tree: shrink struct maple_tree
maple_tree: clean up mas_wr_append()
secretmem: convert page_is_secretmem() to folio_is_secretmem()
nios2: fix flush_dcache_page() for usage from irq context
hugetlb: add documentation for vma_kernel_pagesize()
mm: add orphaned kernel-doc to the rst files.
mm: fix clean_record_shared_mapping_range kernel-doc
mm: fix get_mctgt_type() kernel-doc
mm: fix kernel-doc warning from tlb_flush_rmaps()
mm: remove enum page_entry_size
mm: allow ->huge_fault() to be called without the mmap_lock held
mm: move PMD_ORDER to pgtable.h
mm: remove checks for pte_index
memcg: remove duplication detection for mem_cgroup_uncharge_swap
mm/huge_memory: work on folio->swap instead of page->private when splitting folio
mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
mm/swap: use dedicated entry for swap in folio
mm/swap: stop using page->private on tail pages for THP_SWAP
selftests/mm: fix WARNING comparing pointer to 0
selftests: cgroup: fix test_kmem_memcg_deletion kernel mem check
...
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Merge tag 'slab-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
"This happens to be a small one (due to summer I guess), and all
hardening related:
- Randomized kmalloc caches, by GONG, Ruiqi.
A new opt-in hardening feature to make heap spraying harder. It
creates multiple (16) copies of kmalloc caches, reducing the chance
of an attacker-controllable allocation site to land in the same
slab as e.g. an allocation site with use-after-free vulnerability.
The selection of the copy is derived from the allocation site
address, including a per-boot random seed.
- Stronger typing for hardened freelists in SLUB, by Jann Horn
Introduces a custom type for hardened freelist entries instead of
"void *" as those are not directly dereferencable. While reviewing
this, I've noticed opportunities for further cleanups in that code
and added those on top"
* tag 'slab-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
Randomized slab caches for kmalloc()
mm/slub: remove freelist_dereference()
mm/slub: remove redundant kasan_reset_tag() from freelist_ptr calculations
mm/slub: refactor freelist to use custom type
Since commit 3d5089c4263d ("of/address: Add support for 3 address cell
bus"), the DT address functions can handle translating buses with 3
address cells. Replace the custom code with the for_each_of_range()
iterator.
The original code had fallbacks to get "#address-cells"/"#size-cells"
from the bus parent node if they are missing. This is non-standard
behavior, and AFAICT the upstream .dts files never relied on that.
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Tested-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230823190958.2717267-1-robh@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Hi Linus,
Please, pull the following flexible-array transformations. These patches
have been baking in linux-next for a while.
Thanks
--
Gustavo
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Merge tag 'flex-array-transformations-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull flexible-array updates from Gustavo A. R. Silva.
* tag 'flex-array-transformations-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
fs: omfs: Use flexible-array member in struct omfs_extent
sparc: openpromio: Address -Warray-bounds warning
reiserfs: Replace one-element array with flexible-array member
* add eBPF JIT compiler for 32- and 64-bit kernel
* LCD/LED driver rewrite to utilize Linux LED subsystem
* switch to generic mmap top-down layout and brk randomization
* kernel startup cleanup by loading most drivers via arch_initcall()
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Merge tag 'parisc-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture updates from Helge Deller:
"PA-RISC now has a native eBPF JIT compiler for 32- and 64-bit kernels,
the LED driver was rewritten to use the Linux LED framework and most
of the parisc bootup code was switched to use *_initcall() functions.
Summary:
- add eBPF JIT compiler for 32- and 64-bit kernel
- LCD/LED driver rewrite to utilize Linux LED subsystem
- switch to generic mmap top-down layout and brk randomization
- kernel startup cleanup by loading most drivers via arch_initcall()"
* tag 'parisc-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (31 commits)
parisc: ccio-dma: Create private runway procfs root entry
parisc: chassis: Do not overwrite string on LCD display
parisc: led: Rewrite LED/LCD driver to utilizize Linux LED subsystem
parisc: led: Fix LAN receive and transmit LEDs
parisc: lasi: Initialize LASI driver via arch_initcall()
parisc: asp: Initialize asp driver via arch_initcall()
parisc: wax: Initialize wax driver via arch_initcall()
parisc: iosapic: Convert I/O Sapic driver to use arch_initcall()
parisc: sba_iommu: Convert SBA IOMMU driver to use arch_initcall()
parisc: led: Move register_led_regions() to late_initcall()
parisc: lba: Convert LBA PCI bus driver to use arch_initcall()
parisc: gsc: Convert GSC bus driver to use arch_initcall()
parisc: ccio: Convert CCIO driver to use arch_initcall()
parisc: eisa: Convert HP EISA bus driver to use arch_initcall()
parisc: hppb: Convert HP PB bus driver to use arch_initcall()
parisc: dino: Convert dino PCI bus driver to use arch_initcall()
parisc: Makefile: Adjust order in which drivers should be loaded
parisc: led: Reduce CPU overhead for disk & lan LED computation
parisc: Avoid ioremap() for same addresss in iosapic_register()
parisc: unaligned: Simplify 32-bit assembly in emulate_std()
...
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Merge tag 'v6.6-vfs.super.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull superblock fixes from Christian Brauner:
"Two follow-up fixes for the super work this cycle:
- Move a misplaced lockep assertion before we potentially free the
object containing the lock.
- Ensure that filesystems which match superblocks in sget{_fc}()
based on sb->s_fs_info are guaranteed to see a valid sb->s_fs_info
as long as a superblock still appears on the filesystem type's
superblock list.
What we want as a proper solution for next cycle is to split
sb->free_sb() out of sb->kill_sb() so that we can simply call
kill_super_notify() after sb->kill_sb() but before sb->free_sb().
Currently, this is lumped together in sb->kill_sb()"
* tag 'v6.6-vfs.super.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
super: ensure valid info
super: move lockdep assert
Core
----
- Increase size limits for to-be-sent skb frag allocations. This
allows tun, tap devices and packet sockets to better cope with large
writes operations.
- Store netdevs in an xarray, to simplify iterating over netdevs.
- Refactor nexthop selection for multipath routes.
- Improve sched class lifetime handling.
- Add backup nexthop ID support for bridge.
- Implement drop reasons support in openvswitch.
- Several data races annotations and fixes.
- Constify the sk parameter of routing functions.
- Prepend kernel version to netconsole message.
Protocols
---------
- Implement support for TCP probing the peer being under memory
pressure.
- Remove hard coded limitation on IPv6 specific info placement
inside the socket struct.
- Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated
per socket scaling factor.
- Scaling-up the IPv6 expired route GC via a separated list of
expiring routes.
- In-kernel support for the TLS alert protocol.
- Better support for UDP reuseport with connected sockets.
- Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
header size.
- Get rid of additional ancillary per MPTCP connection struct socket.
- Implement support for BPF-based MPTCP packet schedulers.
- Format MPTCP subtests selftests results in TAP.
- Several new SMC 2.1 features including unique experimental options,
max connections per lgr negotiation, max links per lgr negotiation.
BPF
---
- Multi-buffer support in AF_XDP.
- Add multi uprobe BPF links for attaching multiple uprobes
and usdt probes, which is significantly faster and saves extra fds.
- Implement an fd-based tc BPF attach API (TCX) and BPF link support on
top of it.
- Add SO_REUSEPORT support for TC bpf_sk_assign.
- Support new instructions from cpu v4 to simplify the generated code and
feature completeness, for x86, arm64, riscv64.
- Support defragmenting IPv(4|6) packets in BPF.
- Teach verifier actual bounds of bpf_get_smp_processor_id()
and fix perf+libbpf issue related to custom section handling.
- Introduce bpf map element count and enable it for all program types.
- Add a BPF hook in sys_socket() to change the protocol ID
from IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy.
- Introduce bpf_me_mcache_free_rcu() and fix OOM under stress.
- Add uprobe support for the bpf_get_func_ip helper.
- Check skb ownership against full socket.
- Support for up to 12 arguments in BPF trampoline.
- Extend link_info for kprobe_multi and perf_event links.
Netfilter
---------
- Speed-up process exit by aborting ruleset validation if a
fatal signal is pending.
- Allow NLA_POLICY_MASK to be used with BE16/BE32 types.
Driver API
----------
- Page pool optimizations, to improve data locality and cache usage.
- Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the need
for raw ioctl() handling in drivers.
- Simplify genetlink dump operations (doit/dumpit) providing them
the common information already populated in struct genl_info.
- Extend and use the yaml devlink specs to [re]generate the split ops.
- Introduce devlink selective dumps, to allow SF filtering SF based on
handle and other attributes.
- Add yaml netlink spec for netlink-raw families, allow route, link and
address related queries via the ynl tool.
- Remove phylink legacy mode support.
- Support offload LED blinking to phy.
- Add devlink port function attributes for IPsec.
New hardware / drivers
----------------------
- Ethernet:
- Broadcom ASP 2.0 (72165) ethernet controller
- MediaTek MT7988 SoC
- Texas Instruments AM654 SoC
- Texas Instruments IEP driver
- Atheros qca8081 phy
- Marvell 88Q2110 phy
- NXP TJA1120 phy
- WiFi:
- MediaTek mt7981 support
- Can:
- Kvaser SmartFusion2 PCI Express devices
- Allwinner T113 controllers
- Texas Instruments tcan4552/4553 chips
- Bluetooth:
- Intel Gale Peak
- Qualcomm WCN3988 and WCN7850
- NXP AW693 and IW624
- Mediatek MT2925
Drivers
-------
- Ethernet NICs:
- nVidia/Mellanox:
- mlx5:
- support UDP encapsulation in packet offload mode
- IPsec packet offload support in eswitch mode
- improve aRFS observability by adding new set of counters
- extends MACsec offload support to cover RoCE traffic
- dynamic completion EQs
- mlx4:
- convert to use auxiliary bus instead of custom interface logic
- Intel
- ice:
- implement switchdev bridge offload, even for LAG interfaces
- implement SRIOV support for LAG interfaces
- igc:
- add support for multiple in-flight TX timestamps
- Broadcom:
- bnxt:
- use the unified RX page pool buffers for XDP and non-XDP
- use the NAPI skb allocation cache
- OcteonTX2:
- support Round Robin scheduling HTB offload
- TC flower offload support for SPI field
- Freescale:
- add XDP_TX feature support
- AMD:
- ionic: add support for PCI FLR event
- sfc:
- basic conntrack offload
- introduce eth, ipv4 and ipv6 pedit offloads
- ST Microelectronics:
- stmmac: maximze PTP timestamping resolution
- Virtual NICs:
- Microsoft vNIC:
- batch ringing RX queue doorbell on receiving packets
- add page pool for RX buffers
- Virtio vNIC:
- add per queue interrupt coalescing support
- Google vNIC:
- add queue-page-list mode support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add port range matching tc-flower offload
- permit enslavement to netdevices with uppers
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- convert to phylink_pcs
- Renesas:
- r8A779fx: add speed change support
- rzn1: enables vlan support
- Ethernet PHYs:
- convert mv88e6xxx to phylink_pcs
- WiFi:
- Qualcomm Wi-Fi 7 (ath12k):
- extremely High Throughput (EHT) PHY support
- RealTek (rtl8xxxu):
- enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
RTL8192EU and RTL8723BU
- RealTek (rtw89):
- Introduce Time Averaged SAR (TAS) support
- Connector:
- support for event filtering
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core:
- Increase size limits for to-be-sent skb frag allocations. This
allows tun, tap devices and packet sockets to better cope with
large writes operations
- Store netdevs in an xarray, to simplify iterating over netdevs
- Refactor nexthop selection for multipath routes
- Improve sched class lifetime handling
- Add backup nexthop ID support for bridge
- Implement drop reasons support in openvswitch
- Several data races annotations and fixes
- Constify the sk parameter of routing functions
- Prepend kernel version to netconsole message
Protocols:
- Implement support for TCP probing the peer being under memory
pressure
- Remove hard coded limitation on IPv6 specific info placement inside
the socket struct
- Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated per
socket scaling factor
- Scaling-up the IPv6 expired route GC via a separated list of
expiring routes
- In-kernel support for the TLS alert protocol
- Better support for UDP reuseport with connected sockets
- Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
header size
- Get rid of additional ancillary per MPTCP connection struct socket
- Implement support for BPF-based MPTCP packet schedulers
- Format MPTCP subtests selftests results in TAP
- Several new SMC 2.1 features including unique experimental options,
max connections per lgr negotiation, max links per lgr negotiation
BPF:
- Multi-buffer support in AF_XDP
- Add multi uprobe BPF links for attaching multiple uprobes and usdt
probes, which is significantly faster and saves extra fds
- Implement an fd-based tc BPF attach API (TCX) and BPF link support
on top of it
- Add SO_REUSEPORT support for TC bpf_sk_assign
- Support new instructions from cpu v4 to simplify the generated code
and feature completeness, for x86, arm64, riscv64
- Support defragmenting IPv(4|6) packets in BPF
- Teach verifier actual bounds of bpf_get_smp_processor_id() and fix
perf+libbpf issue related to custom section handling
- Introduce bpf map element count and enable it for all program types
- Add a BPF hook in sys_socket() to change the protocol ID from
IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy
- Introduce bpf_me_mcache_free_rcu() and fix OOM under stress
- Add uprobe support for the bpf_get_func_ip helper
- Check skb ownership against full socket
- Support for up to 12 arguments in BPF trampoline
- Extend link_info for kprobe_multi and perf_event links
Netfilter:
- Speed-up process exit by aborting ruleset validation if a fatal
signal is pending
- Allow NLA_POLICY_MASK to be used with BE16/BE32 types
Driver API:
- Page pool optimizations, to improve data locality and cache usage
- Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the
need for raw ioctl() handling in drivers
- Simplify genetlink dump operations (doit/dumpit) providing them the
common information already populated in struct genl_info
- Extend and use the yaml devlink specs to [re]generate the split ops
- Introduce devlink selective dumps, to allow SF filtering SF based
on handle and other attributes
- Add yaml netlink spec for netlink-raw families, allow route, link
and address related queries via the ynl tool
- Remove phylink legacy mode support
- Support offload LED blinking to phy
- Add devlink port function attributes for IPsec
New hardware / drivers:
- Ethernet:
- Broadcom ASP 2.0 (72165) ethernet controller
- MediaTek MT7988 SoC
- Texas Instruments AM654 SoC
- Texas Instruments IEP driver
- Atheros qca8081 phy
- Marvell 88Q2110 phy
- NXP TJA1120 phy
- WiFi:
- MediaTek mt7981 support
- Can:
- Kvaser SmartFusion2 PCI Express devices
- Allwinner T113 controllers
- Texas Instruments tcan4552/4553 chips
- Bluetooth:
- Intel Gale Peak
- Qualcomm WCN3988 and WCN7850
- NXP AW693 and IW624
- Mediatek MT2925
Drivers:
- Ethernet NICs:
- nVidia/Mellanox:
- mlx5:
- support UDP encapsulation in packet offload mode
- IPsec packet offload support in eswitch mode
- improve aRFS observability by adding new set of counters
- extends MACsec offload support to cover RoCE traffic
- dynamic completion EQs
- mlx4:
- convert to use auxiliary bus instead of custom interface
logic
- Intel
- ice:
- implement switchdev bridge offload, even for LAG
interfaces
- implement SRIOV support for LAG interfaces
- igc:
- add support for multiple in-flight TX timestamps
- Broadcom:
- bnxt:
- use the unified RX page pool buffers for XDP and non-XDP
- use the NAPI skb allocation cache
- OcteonTX2:
- support Round Robin scheduling HTB offload
- TC flower offload support for SPI field
- Freescale:
- add XDP_TX feature support
- AMD:
- ionic: add support for PCI FLR event
- sfc:
- basic conntrack offload
- introduce eth, ipv4 and ipv6 pedit offloads
- ST Microelectronics:
- stmmac: maximze PTP timestamping resolution
- Virtual NICs:
- Microsoft vNIC:
- batch ringing RX queue doorbell on receiving packets
- add page pool for RX buffers
- Virtio vNIC:
- add per queue interrupt coalescing support
- Google vNIC:
- add queue-page-list mode support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add port range matching tc-flower offload
- permit enslavement to netdevices with uppers
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- convert to phylink_pcs
- Renesas:
- r8A779fx: add speed change support
- rzn1: enables vlan support
- Ethernet PHYs:
- convert mv88e6xxx to phylink_pcs
- WiFi:
- Qualcomm Wi-Fi 7 (ath12k):
- extremely High Throughput (EHT) PHY support
- RealTek (rtl8xxxu):
- enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
RTL8192EU and RTL8723BU
- RealTek (rtw89):
- Introduce Time Averaged SAR (TAS) support
- Connector:
- support for event filtering"
* tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1806 commits)
net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show
net: ethernet: mtk_wed: add some more info in wed_txinfo_show handler
net: stmmac: clarify difference between "interface" and "phy_interface"
r8152: add vendor/device ID pair for D-Link DUB-E250
devlink: move devlink_notify_register/unregister() to dev.c
devlink: move small_ops definition into netlink.c
devlink: move tracepoint definitions into core.c
devlink: push linecard related code into separate file
devlink: push rate related code into separate file
devlink: push trap related code into separate file
devlink: use tracepoint_enabled() helper
devlink: push region related code into separate file
devlink: push param related code into separate file
devlink: push resource related code into separate file
devlink: push dpipe related code into separate file
devlink: move and rename devlink_dpipe_send_and_alloc_skb() helper
devlink: push shared buffer related code into separate file
devlink: push port related code into separate file
devlink: push object register/unregister notifications into separate helpers
inet: fix IP_TRANSPARENT error handling
...
API:
- Move crypto engine callback from tfm ctx into algorithm object.
- Fix atomic sleep bug in crypto_destroy_instance.
- Move lib/mpi into lib/crypto.
Algorithms:
- Add chacha20 and poly1305 implementation for powerpc p10.
Drivers:
- Add AES skcipher and aead support to starfive.
- Add Dynamic Boost Control support to ccp.
- Add support for STM32P13 platform to stm32.
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Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Move crypto engine callback from tfm ctx into algorithm object
- Fix atomic sleep bug in crypto_destroy_instance
- Move lib/mpi into lib/crypto
Algorithms:
- Add chacha20 and poly1305 implementation for powerpc p10
Drivers:
- Add AES skcipher and aead support to starfive
- Add Dynamic Boost Control support to ccp
- Add support for STM32P13 platform to stm32"
* tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (149 commits)
Revert "dt-bindings: crypto: qcom,prng: Add SM8450"
crypto: chelsio - Remove unused declarations
X.509: if signature is unsupported skip validation
crypto: qat - fix crypto capability detection for 4xxx
crypto: drivers - Explicitly include correct DT includes
crypto: engine - Remove crypto_engine_ctx
crypto: zynqmp - Use new crypto_engine_op interface
crypto: virtio - Use new crypto_engine_op interface
crypto: stm32 - Use new crypto_engine_op interface
crypto: jh7110 - Use new crypto_engine_op interface
crypto: rk3288 - Use new crypto_engine_op interface
crypto: omap - Use new crypto_engine_op interface
crypto: keembay - Use new crypto_engine_op interface
crypto: sl3516 - Use new crypto_engine_op interface
crypto: caam - Use new crypto_engine_op interface
crypto: aspeed - Remove non-standard sha512 algorithms
crypto: aspeed - Use new crypto_engine_op interface
crypto: amlogic - Use new crypto_engine_op interface
crypto: sun8i-ss - Use new crypto_engine_op interface
crypto: sun8i-ce - Use new crypto_engine_op interface
...
Core GPIOLIB updates:
- wake-up poll() in user-space on device unbind
- improve fwnode usage
- interrupt domain handling improvements
- correctly handle the ngpios property in gpio-mmio
Driver cleanups:
- remove unneeded calls to platform_set_drvdata() all around the place
- remove unneeded of_match_ptr() expansions whenever a driver depends on
CONFIG_OF
- remove redundant calls to dev_err_probe() from gpio-omap and gpio-davinci
Driver improvements:
- use autopointers and guards from cleanup.h in gpio-sim
- shrink code in gpio-sim using some common helpers
- convert the idio family of drivers to using gpio-regmap
- convert gpio-ws16c48 to using gpio-regmap
- use devres to simplify code in gpio-pisosr and gpio-mxc
- update gpio-sifive: support IRQ wake, improve interrupt handling, allow
building as module
- make gpio-ge and gpio-bcm-kona OF-independent (plus some minor tweaks)
- add support for new models in gpio-pca953x and gpio-ds4520
- add runtime PM support to gpio-mxc
- fix a build warning in gpio-mxs
- add support for adding pin ranges to gpio-mlxbf3
- add counter/timer support to gpio-104-dio-48e
- switch to dynamic GPIO base allocation in gpio-vf610
- minor oneliners here and there
Device-tree bindings updates:
- enable the gpio-line-names property in snps,dw-apb and STMPE GPIO
- document new models in fsl-imx-gpio, ds4520 and pca95xx
- convert the bindings for brcm,kona-gpio to YAML
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Merge tag 'gpio-updates-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"We have a lot of code refactoring using common helpers and ended up
removing more lines then we're adding this release cycle.
Nothing really stands out, just small updates all over the place.
Core GPIOLIB updates:
- wake-up poll() in user-space on device unbind
- improve fwnode usage
- interrupt domain handling improvements
- correctly handle the ngpios property in gpio-mmio
Driver cleanups:
- remove unneeded calls to platform_set_drvdata() all around the
place
- remove unneeded of_match_ptr() expansions whenever a driver depends
on CONFIG_OF
- remove redundant calls to dev_err_probe() from gpio-omap and
gpio-davinci
Driver improvements:
- use autopointers and guards from cleanup.h in gpio-sim
- shrink code in gpio-sim using some common helpers
- convert the idio family of drivers to using gpio-regmap
- convert gpio-ws16c48 to using gpio-regmap
- use devres to simplify code in gpio-pisosr and gpio-mxc
- update gpio-sifive: support IRQ wake, improve interrupt handling,
allow building as module
- make gpio-ge and gpio-bcm-kona OF-independent (plus some minor
tweaks)
- add support for new models in gpio-pca953x and gpio-ds4520
- add runtime PM support to gpio-mxc
- fix a build warning in gpio-mxs
- add support for adding pin ranges to gpio-mlxbf3
- add counter/timer support to gpio-104-dio-48e
- switch to dynamic GPIO base allocation in gpio-vf610
- minor oneliners here and there
Device-tree bindings updates:
- enable the gpio-line-names property in snps,dw-apb and STMPE GPIO
- document new models in fsl-imx-gpio, ds4520 and pca95xx
- convert the bindings for brcm,kona-gpio to YAML"
* tag 'gpio-updates-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (94 commits)
gpio: pca953x: add support for TCA9538
dt-bindings: gpio: pca95xx: document new tca9538 chip
gpio: pca953x: Use i2c_get_match_data()
gpio: mlxbf3: use capital "OR" for multiple licenses in SPDX
gpio: pcf857x: Extend match data support for OF tables
gpio: vf610: switch to dynamic allocat GPIO base
gpiolib: provide and use gpiod_line_state_notify()
gpio: cdev: wake up lineevent poll() on device unbind
gpio: cdev: wake up linereq poll() on device unbind
gpio: cdev: wake up chardev poll() on device unbind
gpiolib: add a second blocking notifier to struct gpio_device
gpio: cdev: open-code to_gpio_chardev_data()
gpiolib: rename the gpio_device notifier
gpio: mlxbf3: Support add_pin_ranges()
gpio: mxc: Use helper function devm_clk_get_optional_enabled()
gpio: pca9570: fix kerneldoc
gpio: sim: simplify code with cleanup helpers
gpio: sim: replace memmove() + strstrip() with skip_spaces() + strim()
gpio: sim: simplify gpio_sim_device_config_live_store()
gpio: mxc: release the parent IRQ in runtime suspend
...
- New drivers
* Driver for Renesas HS3001
- Chip support added to existing drivers
* pmbus/mp2975 driver now supports MP2971 and MP2973
- Functional improvements
* Additional voltage and temperature sensor support for
NCT6798/NCT6799 in nt6755 driver
* it87 driver now detects AMDTSI sensor type
* dimmtemp now supports more than 32 DIMMs
- Driver removals
* sm665 driver removed as unsupportable and long since obsolete
- Minor fixes, cleanups, and simplifications in several drivers
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Merge tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Renesas HS3001
Chip support added to existing drivers:
- pmbus/mp2975 driver now supports MP2971 and MP2973
Functional improvements:
- Additional voltage and temperature sensor support for
NCT6798/NCT6799 in nt6755 driver
- it87 driver now detects AMDTSI sensor type
- dimmtemp now supports more than 32 DIMMs
Driver removals:
- sm665 driver removed as unsupportable and long since obsolete
.. and minor fixes, cleanups, and simplifications in several drivers"
* tag 'hwmon-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (57 commits)
hwmon: (tmp513) Simplify probe()
hwmon: (tmp513) Fix the channel number in tmp51x_is_visible()
hwmon: (mlxreg-fan) Extend number of supported fans
hwmon: (sis5595) Do PCI error checks on own line
hwmon: (vt8231) Do PCI error checks on own line
hwmon: (via686a) Do PCI error checks on own line
hwmon: pmbus: Fix -EIO seen on pli1209
hwmon: pmbus: Drop unnecessary clear fault page
hwmon: pmbus: Reduce clear fault page invocations
hwmon: (nsa320-hwmon) Remove redundant of_match_ptr()
hwmon: (pmbus/ucd9200) fix Wvoid-pointer-to-enum-cast warning
hwmon: (pmbus/ucd9000) fix Wvoid-pointer-to-enum-cast warning
hwmon: (pmbus/tps53679) fix Wvoid-pointer-to-enum-cast warning
hwmon: (pmbus/ibm-cffps) fix Wvoid-pointer-to-enum-cast warning
hwmon: (tmp513) fix Wvoid-pointer-to-enum-cast warning
hwmon: (max6697) fix Wvoid-pointer-to-enum-cast warning
hwmon: (max20730) fix Wvoid-pointer-to-enum-cast warning
hwmon: (lm90) fix Wvoid-pointer-to-enum-cast warning
hwmon: (lm85) fix Wvoid-pointer-to-enum-cast warning
hwmon: (lm75) fix Wvoid-pointer-to-enum-cast warning
...
- Convert drivers to use the ->remove_new() callback
- Propagate the removable attribute for the card's device
MMC host:
- Convert drivers to use the ->remove_new() callback
- atmel-mci: Convert to gpio descriptors and cleanup the code
- davinci: Make SDIO irq truly optional
- renesas_sdhi: Register irqs before registering controller
- sdhci: Simplify the sdhci_pltfm_* interface a bit
- sdhci-esdhc-imx: Improve support for the 1.8V errata
- sdhci-of-at91: Add support for the microchip sam9x7 variant
- sdhci-of-dwcmshc: Add support for runtime PM
- sdhci-pci-o2micro: Add support for the new Bayhub GG8 variant
- sdhci-sprd: Add support for SD high-speed mode tuning
- uniphier-sd: Register irqs before registering controller
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Merge tag 'mmc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Convert drivers to use the ->remove_new() callback
- Propagate the removable attribute for the card's device
MMC host:
- Convert drivers to use the ->remove_new() callback
- atmel-mci: Convert to gpio descriptors and cleanup the code
- davinci: Make SDIO irq truly optional
- renesas_sdhi: Register irqs before registering controller
- sdhci: Simplify the sdhci_pltfm_* interface a bit
- sdhci-esdhc-imx: Improve support for the 1.8V errata
- sdhci-of-at91: Add support for the microchip sam9x7 variant
- sdhci-of-dwcmshc: Add support for runtime PM
- sdhci-pci-o2micro: Add support for the new Bayhub GG8 variant
- sdhci-sprd: Add support for SD high-speed mode tuning
- uniphier-sd: Register irqs before registering controller"
* tag 'mmc-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (108 commits)
mmc: atmel-mci: Move card detect gpio polarity quirk to gpiolib
mmc: atmel-mci: move atmel MCI header file
mmc: atmel-mci: Convert to gpio descriptors
mmc: sdhci-sprd: Add SD HS mode online tuning
mmc: core: Add host specific tuning support for SD HS mode
mmc: sdhci-of-dwcmshc: Add runtime PM operations
mmc: sdhci-of-dwcmshc: Add error handling in dwcmshc_resume
mmc: sdhci-esdhc-imx: improve ESDHC_FLAG_ERR010450
mmc: sdhci-pltfm: Rename sdhci_pltfm_register()
mmc: sdhci-pltfm: Remove sdhci_pltfm_unregister()
mmc: sdhci-st: Use sdhci_pltfm_remove()
mmc: sdhci-pxav2: Use sdhci_pltfm_remove()
mmc: sdhci-of-sparx5: Use sdhci_pltfm_remove()
mmc: sdhci-of-hlwd: Use sdhci_pltfm_remove()
mmc: sdhci-of-esdhc: Use sdhci_pltfm_remove()
mmc: sdhci-of-at91: Use sdhci_pltfm_remove()
mmc: sdhci-of-arasan: Use sdhci_pltfm_remove()
mmc: sdhci-iproc: Use sdhci_pltfm_remove()
mmc: sdhci_f_sdh30: Use sdhci_pltfm_remove()
mmc: sdhci-dove: Use sdhci_pltfm_remove()
...
There's been quite a lot of generic activity here, but more
administrative than featuers. We also have a bunch of new drivers,
including one that's part of a MFD so we pulled in the core parts of
that:
- Lots of work from both Yang Yingliang and Andy Shevchenko on moving
to host/device/controller based terminology for devices.
- QuadSPI SPI support for Allwinner sun6i.
- New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
QuPv3 and StarFive JH7110 QSPI.
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Merge tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"There's been quite a lot of generic activity here, but more
administrative than featuers. We also have a bunch of new drivers,
including one that's part of a MFD so we pulled in the core parts of
that:
- Lots of work from both Yang Yingliang and Andy Shevchenko on moving
to host/device/controller based terminology for devices.
- QuadSPI SPI support for Allwinner sun6i.
- New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
QuPv3 and StarFive JH7110 QSPI"
* tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (151 commits)
spi: at91-usart: Use PTR_ERR_OR_ZERO() to simplify code
spi: spi-sn-f-ospi: switch to use modern name
spi: sifive: switch to use modern name
spi: sh: switch to use modern name
spi: sh-sci: switch to use modern name
spi: sh-msiof: switch to use modern name
spi: sh-hspi: switch to use modern name
spi: sc18is602: switch to use modern name
spi: s3c64xx: switch to use modern name
spi: rzv2m-csi: switch to use devm_spi_alloc_host()
spi: rspi: switch to use spi_alloc_host()
spi: rockchip: switch to use modern name
spi: rockchip-sfc: switch to use modern name
spi: realtek-rtl: switch to use devm_spi_alloc_host()
spi: rb4xx: switch to use modern name
spi: qup: switch to use modern name
spi: spi-qcom-qspi: switch to use modern name
spi: pxa2xx: switch to use modern name
spi: ppc4xx: switch to use modern name
spi: spl022: switch to use modern name
...
Other tha new device support and some minor fixes this has been a really
quiet release, the only notable things are the new drivers. There's a
couple of MFDs among the new devices so the generic parts are pulled in:
- Support for Analog Devices MAX77831/57/59, Awinc AW37503, Qualcom
PMX75 and RFGEN, RealTek RT5733, RichTek RTQ2208 and Texas
Instruments TPS65086.
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Merge tag 'regulator-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Other than new device support and some minor fixes this has been a
really quiet release, the only notable things are the new drivers.
There's a couple of MFDs among the new devices so the generic parts
are pulled in:
- Support for Analog Devices MAX77831/57/59, Awinc AW37503, Qualcom
PMX75 and RFGEN, RealTek RT5733, RichTek RTQ2208 and Texas
Instruments TPS65086"
* tag 'regulator-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (68 commits)
regulator: userspace-consumer: Drop event support for this cycle
regulator: aw37503: Switch back to use struct i2c_driver's .probe()
dt-bindings: regulator: qcom,rpmh-regulator: allow i, j, l, m & n as RPMh resource name suffix
regulator: dt-bindings: Add Awinic AW37503
regulator: aw37503: add regulator driver for Awinic AW37503
regulator: tps65086: Select dedicated regulator config for chip variant
mfd: tps65086: Read DEVICE ID register 1 from device
regulator: raa215300: Update help description
regulator: raa215300: Add missing blank space
regulator: raa215300: Change rate from 32000->32768
regulator: db8500-prcmu: Remove unused declaration power_state_active_is_enabled()
regulator: raa215300: Add const definition
regulator: raa215300: Fix resource leak in case of error
regulator: rtq2208: Switch back to use struct i2c_driver's .probe()
regulator: lp872x: Fix Wvoid-pointer-to-enum-cast warning
regulator: max77857: Fix Wvoid-pointer-to-enum-cast warning
regulator: ltc3589: Fix Wvoid-pointer-to-enum-cast warning
regulator: qcom_rpm-regulator: Use devm_kmemdup to replace devm_kmalloc + memcpy
regulator: tps6286x-regulator: Remove redundant of_match_ptr() macros
regulator: pfuze100-regulator: Remove redundant of_match_ptr() macro
...
This is a much quieter release than the past few, there's one small API
addition that I noticed a user for in ALSA and a bunch of cleanups:
- Provide an interface for determining if a register is present in the
cache and add a user of it in ALSA.
- Full support for dynamic allocations, following the temporary bodges
that were done as fixes in the previous release.
- Remove the unused and questionably working 64 bit support.
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Merge tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"This is a much quieter release than the past few, there's one small
API addition that I noticed a user for in ALSA and a bunch of
cleanups:
- Provide an interface for determining if a register is present in
the cache and add a user of it in ALSA.
- Full support for dynamic allocations, following the temporary
bodges that were done as fixes in the previous release.
- Remove the unused and questionably working 64 bit support"
* tag 'regmap-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fix the type used for a bitmap pointer
regmap: Remove dynamic allocation warnings for rbtree and maple
regmap: rbtree: Use alloc_flags for memory allocations
regmap: maple: Use alloc_flags for memory allocations
regmap: Reject fast_io regmap configurations with RBTREE and MAPLE caches
ALSA: hda: Use regcache_reg_cached() rather than open coding
regmap: Provide test for regcache_reg_present()
regmap: Let users check if a register is cached
regmap: Provide user selectable option to enable regmap
regmap: mmio: Remove unused 64-bit support code
regmap: cache: Revert "Add 64-bit mode support"
regmap: Revert "add 64-bit mode support" and Co.
* explicitly include correct DT includes
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Merge tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI update from Sebastian Reichel:
- explicitly include correct DT includes
* tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
hsi: omap_ssi: Explicitly include correct DT includes
- hd44780: move cursor home after clear display command
The change allows to support displays like the NewHaven
NHD-0220DZW-AG5 which has a non-standard controller.
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Merge tag 'auxdisplay-6.6' of https://github.com/ojeda/linux
Pull auxdisplay update from Miguel Ojeda:
- hd44780: move cursor home after clear display command
The change allows to support displays like the NewHaven
NHD-0220DZW-AG5 which has a non-standard controller.
* tag 'auxdisplay-6.6' of https://github.com/ojeda/linux:
auxdisplay: hd44780: move cursor home after clear display command
In terms of lines, most changes this time are on the pinned-init API
and infrastructure. While we have a Rust version upgrade, and thus a
bunch of changes from the vendored 'alloc' crate as usual, this time
those do not account for many lines.
Toolchain and infrastructure:
- Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
smaller jump compared to the last time.
This version allows us to remove the '__rust_*' allocator functions
-- the compiler now generates them as expected, thus now our
'KernelAllocator' is used.
It also introduces the 'offset_of!' macro in the standard library
(as an unstable feature) which we will need soon. So far, we were
using a declarative macro as a prerequisite in some not-yet-landed
patch series, which did not support sub-fields (i.e. nested structs):
#[repr(C)]
struct S {
a: u16,
b: (u8, u8),
}
assert_eq!(offset_of!(S, b.1), 3);
- Upgrade to bindgen 0.65.1. This is the first time we upgrade its
version.
Given it is a fairly big jump, it comes with a fair number of
improvements/changes that affect us, such as a fix needed to support
LLVM 16 as well as proper support for '__noreturn' C functions, which
are now mapped to return the '!' type in Rust:
void __noreturn f(void); // C
pub fn f() -> !; // Rust
- 'scripts/rust_is_available.sh' improvements and fixes.
This series takes care of all the issues known so far and adds a few
new checks to cover for even more cases, plus adds some more help
texts. All this together will hopefully make problematic setups
easier to identify and to be solved by users building the kernel.
In addition, it adds a test suite which covers all branches of the
shell script, as well as tests for the issues found so far.
- Support rust-analyzer for out-of-tree modules too.
- Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.
- Drop 'scripts/is_rust_module.sh' since it is not needed anymore.
Macros crate:
- New 'paste!' proc macro.
This macro is a more flexible version of 'concat_idents!': it allows
the resulting identifier to be used to declare new items and it
allows to transform the identifiers before concatenating them, e.g.
let x_1 = 42;
paste!(let [<x _2>] = [<x _1>];);
assert!(x_1 == x_2);
The macro is then used for several of the pinned-init API changes in
this pull.
Pinned-init API:
- Make '#[pin_data]' compatible with conditional compilation of fields,
allowing to write code like:
#[pin_data]
pub struct Foo {
#[cfg(CONFIG_BAR)]
a: Bar,
#[cfg(not(CONFIG_BAR))]
a: Baz,
}
- New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait, which
allows 'unsafe' implementations for structs where every field
implements the 'Zeroable' trait, e.g.:
#[derive(Zeroable)]
pub struct DriverData {
id: i64,
buf_ptr: *mut u8,
len: usize,
}
- Add '..Zeroable::zeroed()' syntax to the 'pin_init!' macro for
zeroing all other fields, e.g.:
pin_init!(Buf {
buf: [1; 64],
..Zeroable::zeroed()
});
- New '{,pin_}init_array_from_fn()' functions to create array
initializers given a generator function, e.g.:
let b: Box<[usize; 1_000]> = Box::init::<Error>(
init_array_from_fn(|i| i)
).unwrap();
assert_eq!(b.len(), 1_000);
assert_eq!(b[123], 123);
- New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
execute a closure on the value directly after initialization, e.g.:
let foo = init!(Foo {
buf <- init::zeroed()
}).chain(|foo| {
foo.setup();
Ok(())
});
- Support arbitrary paths in init macros, instead of just identifiers
and generic types.
- Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
'Opaque<T>' types.
- Make initializer values inaccessible after initialization.
- Make guards in the init macros hygienic.
'allocator' module:
- Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
misaligned allocations when the Rust 1.71.1 upgrade is applied later
in this pull.
The equivalent fix for the previous compiler version (where
'KernelAllocator' is not yet used) was merged into 6.5 already,
which added the 'krealloc_aligned()' function used here.
- Implement 'KernelAllocator::{realloc, alloc_zeroed}' for performance,
using 'krealloc_aligned()' too, which forwards the call to the C API.
'types' module:
- Make 'Opaque' be '!Unpin', removing the need to add a 'PhantomPinned'
field to Rust structs that contain C structs which must not be moved.
- Make 'Opaque' use 'UnsafeCell' as the outer type, rather than inner.
Documentation:
- Suggest obtaining the source code of the Rust's 'core' library using
the tarball instead of the repository.
MAINTAINERS:
- Andreas and Alice, from Samsung and Google respectively, are joining
as reviewers of the "RUST" entry.
As well as a few other minor changes and cleanups.
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Merge tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux
Pull rust updates from Miguel Ojeda:
"In terms of lines, most changes this time are on the pinned-init API
and infrastructure. While we have a Rust version upgrade, and thus a
bunch of changes from the vendored 'alloc' crate as usual, this time
those do not account for many lines.
Toolchain and infrastructure:
- Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
smaller jump compared to the last time.
This version allows us to remove the '__rust_*' allocator functions
-- the compiler now generates them as expected, thus now our
'KernelAllocator' is used.
It also introduces the 'offset_of!' macro in the standard library
(as an unstable feature) which we will need soon. So far, we were
using a declarative macro as a prerequisite in some not-yet-landed
patch series, which did not support sub-fields (i.e. nested
structs):
#[repr(C)]
struct S {
a: u16,
b: (u8, u8),
}
assert_eq!(offset_of!(S, b.1), 3);
- Upgrade to bindgen 0.65.1. This is the first time we upgrade its
version.
Given it is a fairly big jump, it comes with a fair number of
improvements/changes that affect us, such as a fix needed to
support LLVM 16 as well as proper support for '__noreturn' C
functions, which are now mapped to return the '!' type in Rust:
void __noreturn f(void); // C
pub fn f() -> !; // Rust
- 'scripts/rust_is_available.sh' improvements and fixes.
This series takes care of all the issues known so far and adds a
few new checks to cover for even more cases, plus adds some more
help texts. All this together will hopefully make problematic
setups easier to identify and to be solved by users building the
kernel.
In addition, it adds a test suite which covers all branches of the
shell script, as well as tests for the issues found so far.
- Support rust-analyzer for out-of-tree modules too.
- Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.
- Drop 'scripts/is_rust_module.sh' since it is not needed anymore.
Macros crate:
- New 'paste!' proc macro.
This macro is a more flexible version of 'concat_idents!': it
allows the resulting identifier to be used to declare new items and
it allows to transform the identifiers before concatenating them,
e.g.
let x_1 = 42;
paste!(let [<x _2>] = [<x _1>];);
assert!(x_1 == x_2);
The macro is then used for several of the pinned-init API changes
in this pull.
Pinned-init API:
- Make '#[pin_data]' compatible with conditional compilation of
fields, allowing to write code like:
#[pin_data]
pub struct Foo {
#[cfg(CONFIG_BAR)]
a: Bar,
#[cfg(not(CONFIG_BAR))]
a: Baz,
}
- New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait,
which allows 'unsafe' implementations for structs where every field
implements the 'Zeroable' trait, e.g.:
#[derive(Zeroable)]
pub struct DriverData {
id: i64,
buf_ptr: *mut u8,
len: usize,
}
- Add '..Zeroable::zeroed()' syntax to the 'pin_init!' macro for
zeroing all other fields, e.g.:
pin_init!(Buf {
buf: [1; 64],
..Zeroable::zeroed()
});
- New '{,pin_}init_array_from_fn()' functions to create array
initializers given a generator function, e.g.:
let b: Box<[usize; 1_000]> = Box::init::<Error>(
init_array_from_fn(|i| i)
).unwrap();
assert_eq!(b.len(), 1_000);
assert_eq!(b[123], 123);
- New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
execute a closure on the value directly after initialization, e.g.:
let foo = init!(Foo {
buf <- init::zeroed()
}).chain(|foo| {
foo.setup();
Ok(())
});
- Support arbitrary paths in init macros, instead of just identifiers
and generic types.
- Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
'Opaque<T>' types.
- Make initializer values inaccessible after initialization.
- Make guards in the init macros hygienic.
'allocator' module:
- Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
misaligned allocations when the Rust 1.71.1 upgrade is applied
later in this pull.
The equivalent fix for the previous compiler version (where
'KernelAllocator' is not yet used) was merged into 6.5 already,
which added the 'krealloc_aligned()' function used here.
- Implement 'KernelAllocator::{realloc, alloc_zeroed}' for
performance, using 'krealloc_aligned()' too, which forwards the
call to the C API.
'types' module:
- Make 'Opaque' be '!Unpin', removing the need to add a
'PhantomPinned' field to Rust structs that contain C structs which
must not be moved.
- Make 'Opaque' use 'UnsafeCell' as the outer type, rather than
inner.
Documentation:
- Suggest obtaining the source code of the Rust's 'core' library
using the tarball instead of the repository.
MAINTAINERS:
- Andreas and Alice, from Samsung and Google respectively, are
joining as reviewers of the "RUST" entry.
As well as a few other minor changes and cleanups"
* tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux: (42 commits)
rust: init: update expanded macro explanation
rust: init: add `{pin_}chain` functions to `{Pin}Init<T, E>`
rust: init: make `PinInit<T, E>` a supertrait of `Init<T, E>`
rust: init: implement `Zeroable` for `UnsafeCell<T>` and `Opaque<T>`
rust: init: add support for arbitrary paths in init macros
rust: init: add functions to create array initializers
rust: init: add `..Zeroable::zeroed()` syntax for zeroing all missing fields
rust: init: make initializer values inaccessible after initializing
rust: init: wrap type checking struct initializers in a closure
rust: init: make guards in the init macros hygienic
rust: add derive macro for `Zeroable`
rust: init: make `#[pin_data]` compatible with conditional compilation of fields
rust: init: consolidate init macros
docs: rust: clarify what 'rustup override' does
docs: rust: update instructions for obtaining 'core' source
docs: rust: add command line to rust-analyzer section
scripts: generate_rust_analyzer: provide `cfg`s for `core` and `alloc`
rust: bindgen: upgrade to 0.65.1
rust: enable `no_mangle_with_rust_abi` Clippy lint
rust: upgrade to Rust 1.71.1
...
Contents:
- Restrict linking of keys to .ima and .evm keyrings based on
digitalSignature attribute in the certificate.
- PowerVM: load machine owner keys into the .machine [1] keyring.
- PowerVM: load module signing keys into the secondary trusted keyring
(keys blessed by the vendor).
- tpm_tis_spi: half-duplex transfer mode
- tpm_tis: retry corrupted transfers
- Apply revocation list (.mokx) to an all system keyrings (e.g. .machine
keyring).
[1] https://blogs.oracle.com/linux/post/the-machine-keyring
BR, Jarkko
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Merge tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
- Restrict linking of keys to .ima and .evm keyrings based on
digitalSignature attribute in the certificate
- PowerVM: load machine owner keys into the .machine [1] keyring
- PowerVM: load module signing keys into the secondary trusted keyring
(keys blessed by the vendor)
- tpm_tis_spi: half-duplex transfer mode
- tpm_tis: retry corrupted transfers
- Apply revocation list (.mokx) to an all system keyrings (e.g.
.machine keyring)
Link: https://blogs.oracle.com/linux/post/the-machine-keyring [1]
* tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
certs: Reference revocation list for all keyrings
tpm/tpm_tis_synquacer: Use module_platform_driver macro to simplify the code
tpm: remove redundant variable len
tpm_tis: Resend command to recover from data transfer errors
tpm_tis: Use responseRetry to recover from data transfer errors
tpm_tis: Move CRC check to generic send routine
tpm_tis_spi: Add hardware wait polling
KEYS: Replace all non-returning strlcpy with strscpy
integrity: PowerVM support for loading third party code signing keys
integrity: PowerVM machine keyring enablement
integrity: check whether imputed trust is enabled
integrity: remove global variable from machine_keyring.c
integrity: ignore keys failing CA restrictions on non-UEFI platform
integrity: PowerVM support for loading CA keys on machine keyring
integrity: Enforce digitalSignature usage in the ima and evm keyrings
KEYS: DigitalSignature link restriction
tpm_tis: Revert "tpm_tis: Disable interrupts on ThinkPad T490s"
The update of rate_num/den and msbits were factored out to
fixup_unreferenced_params() function to be called explicitly after the
hw_refine or hw_params procedure. It's called from
snd_pcm_hw_refine_user(), but it's forgotten in the PCM compat ioctl.
This ended up with the incomplete rate_num/den and msbits parameters
when 32bit compat ioctl is used.
This patch adds the missing call in snd_pcm_ioctl_hw_params_compat().
Reported-by: Meng_Cai@novatek.com.cn
Fixes: f9a076bff053 ("ALSA: pcm: calculate non-mask/non-interval parameters always when possible")
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20230829134344.31588-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Merge the new hardening feature to make heap spraying harder, by GONG,
Ruiqi. It creates multiple (16) copies of kmalloc caches, reducing the
chance of an attacker-controllable allocation site to land in the same
slab as e.g. an allocation site with use-after-free vulnerability. The
selection of the copy is derived from the allocation site address,
including a per-boot random seed.
In line with SLAB deprecation, this is a SLUB only feature, incompatible
with SLUB_TINY due to the memory overhead of the extra cache copies.
For keyed filesystems that recycle superblocks based on s_fs_info or
information contained therein s_fs_info must be kept as long as the
superblock is on the filesystem type super list. This isn't guaranteed
as s_fs_info will be freed latest in sb->kill_sb().
The fix is simply to perform notification and list removal in
kill_anon_super(). Any filesystem needs to free s_fs_info after they
call the kill_*() helpers. If they don't they risk use-after-free right
now so fixing it here is guaranteed that s_fs_info remain valid.
For block backed filesystems notifying in pass sb->kill_sb() in
deactivate_locked_super() remains unproblematic and is required because
multiple other block devices can be shut down after kill_block_super()
has been called from a filesystem's sb->kill_sb() handler. For example,
ext4 and xfs close additional devices. Block based filesystems don't
depend on s_fs_info (btrfs does use s_fs_info but also uses
kill_anon_super() and not kill_block_super().).
Sorry for that braino. Goal should be to unify this behavior during this
cycle obviously. But let's please do a simple bugfix now.
Fixes: 2c18a63b760a ("super: wait until we passed kill super")
Fixes: syzbot+5b64180f8d9e39d3f061@syzkaller.appspotmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reported-by: syzbot+5b64180f8d9e39d3f061@syzkaller.appspotmail.com
Message-Id: <20230828-vfs-super-fixes-v1-2-b37a4a04a88f@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Fix braino and move the lockdep assertion after put_super() otherwise we
risk a use-after-free.
Fixes: 2c18a63b760a ("super: wait until we passed kill super")
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Message-Id: <20230828-vfs-super-fixes-v1-1-b37a4a04a88f@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This nolibc update for Linux 6.6-rc1 consists of:
Nolibc:
- improved portability by removing build errors with -ENOSYS
- added syscall6() on MIPS to support pselect6() and mmap()
- added setvbuf(), rmdir(), pipe(), pipe2()
- add support for ppc/ppc64
- environ is no longer optional
- fixed frame pointer issues at -O0
- dropped sys_stat() in favor of sys_statx()
- centralized _start_c() to remove lots of asm code
- switched size_t to __SIZE_TYPE__
Selftests:
- improved status reporting (success/warning/failure counts,
path to log file)
- various code cleanups (indent, unused variables, ...)
- more consistent test numbering
- enabled compiler warnings
- dropped unreliable chmod_net test
- improved reliability (create /dev/zero & /tmp, rely less on /proc)
- new tests (brk/sbrk/mmap/munmap)
- improved compatibility with musl
- new run-nolibc-test target to build and run natively
- new run-libc-test target to build and run against native libc
- made the cmdline parser more reliable against boolean arguments
- dropped dependency on memfd for vfprintf() test
- nolibc-test is no longer stripped
- added support for extending ARCH via XARCH
Other:
- add Thomas as co-maintainer
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Merge tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull nolibc updates from Shuah Khan:
"Nolibc:
- improved portability by removing build errors with -ENOSYS
- added syscall6() on MIPS to support pselect6() and mmap()
- added setvbuf(), rmdir(), pipe(), pipe2()
- add support for ppc/ppc64
- environ is no longer optional
- fixed frame pointer issues at -O0
- dropped sys_stat() in favor of sys_statx()
- centralized _start_c() to remove lots of asm code
- switched size_t to __SIZE_TYPE__
Selftests:
- improved status reporting (success/warning/failure counts, path to
log file)
- various code cleanups (indent, unused variables, ...)
- more consistent test numbering
- enabled compiler warnings
- dropped unreliable chmod_net test
- improved reliability (create /dev/zero & /tmp, rely less on /proc)
- new tests (brk/sbrk/mmap/munmap)
- improved compatibility with musl
- new run-nolibc-test target to build and run natively
- new run-libc-test target to build and run against native libc
- made the cmdline parser more reliable against boolean arguments
- dropped dependency on memfd for vfprintf() test
- nolibc-test is no longer stripped
- added support for extending ARCH via XARCH
Other:
- add Thomas as co-maintainer"
* tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (103 commits)
tools/nolibc: avoid undesired casts in the __sysret() macro
tools/nolibc: keep brk(), sbrk(), mmap() away from __sysret()
tools/nolibc: silence ppc64 compile warnings
selftests/nolibc: libc-test: use HOSTCC instead of CC
tools/nolibc: stackprotector.h: make __stack_chk_init static
selftests/nolibc: allow report with existing test log
selftests/nolibc: add test support for ppc64
selftests/nolibc: add test support for ppc64le
selftests/nolibc: add test support for ppc
selftests/nolibc: add XARCH and ARCH mapping support
tools/nolibc: add support for powerpc64
tools/nolibc: add support for powerpc
MAINTAINERS: nolibc: add myself as co-maintainer
selftests/nolibc: enable compiler warnings
selftests/nolibc: don't strip nolibc-test
selftests/nolibc: prevent out of bounds access in expect_vfprintf
selftests/nolibc: use correct return type for read() and write()
selftests/nolibc: avoid sign-compare warnings
selftests/nolibc: avoid unused parameter warnings
selftests/nolibc: make functions static if possible
...
Linus Torvalds
Mateusz Guzik
Rob Herring
Andrea Righi
Takashi Iwai
Vlastimil Babka
Christian Brauner
Paolo Abeni