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A busy enough release, but not for the core which has only seen very
small updates. The biggest addition is the readdition of support for
detailed configuration of the timings around chip selects. That had
been removed for lack of use but there's been applications found for it
on Atmel systems. Otherwise the updates are mostly feature additions
and cleanups to existing drivers.
- Provide a helper for getting device match data in a way that
abstracts away which firmware interface is being used.
- Re-add the spi_set_cs_timing() API for detailed configuration of the
timing around chip select and support it on Atmel.
- Support for MediaTek MT7986, Microchip PCI1xxxx, Nuvoton WPCM450 FIU
and Socionext F_OSPI.
There's a straightforward add/add conflict with the rpmsg tree in the
xilinx firmware code (both trees got new users of the firmware added
each needing new firmware<->kernel ioctls).
There's a cross tree merge with I2C in order to use the new
i2c_client_get_device_id() helper in some I2C attached SPI controllers
as part of their conversion to I2C's probe_new() API.
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Merge tag 'spi-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A busy enough release, but not for the core which has only seen very
small updates. The biggest addition is the readdition of support for
detailed configuration of the timings around chip selects. That had
been removed for lack of use but there's been applications found for
it on Atmel systems. Otherwise the updates are mostly feature
additions and cleanups to existing drivers.
Summary:
- Provide a helper for getting device match data in a way that
abstracts away which firmware interface is being used.
- Re-add the spi_set_cs_timing() API for detailed configuration of
the timing around chip select and support it on Atmel.
- Support for MediaTek MT7986, Microchip PCI1xxxx, Nuvoton WPCM450
FIU and Socionext F_OSPI"
* tag 'spi-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (66 commits)
spi: dt-bindings: Convert Synquacer SPI to DT schema
spi: spi-gpio: Don't set MOSI as an input if not 3WIRE mode
spi: spi-mtk-nor: Add recovery mechanism for dma read timeout
spi: spi-fsl-lpspi: add num-cs binding for lpspi
spi: spi-fsl-lpspi: support multiple cs for lpspi
spi: mtk-snfi: Add snfi support for MT7986 IC
spi: spidev: mask SPI_CS_HIGH in SPI_IOC_RD_MODE
spi: cadence-quadspi: Add minimum operable clock rate warning to baudrate divisor calculation
spi: microchip: pci1xxxx: Add suspend and resume support for PCI1XXXX SPI driver
spi: dt-bindings: nuvoton,wpcm450-fiu: Fix warning in example (missing reg property)
spi: dt-bindings: nuvoton,wpcm450-fiu: Fix error in example (bogus include)
spi: mediatek: Enable irq when pdata is ready
spi: spi-mtk-nor: Unify write buffer on/off
spi: intel: Add support for SFDP opcode
spi: intel: Take possible chip address into account in intel_spi_read/write_reg()
spi: intel: Implement adjust_op_size()
spi: intel: Use ->replacement_op in intel_spi_hw_cycle()
spi: cadence: Drop obsolete dependency on COMPILE_TEST
spi: Add Nuvoton WPCM450 Flash Interface Unit (FIU) bindings
spi: wpcm-fiu: Add direct map support
...
Quite a quiet release for regulator, the diffstat is dominated by the
I2C migration to probe_new() and the newly added MT6357 driver. We've
just one framework addition and the rest is all new device support,
fixes and cleanups.
The framework addition is an API for requesting all regulators defined
in DT, this isn't great practice but has reasonable applications when
there is generic code handling devices on buses where the bus
specification doesn't include power. The immediate application is MDIO
but I believe there's others, it's another API that'll need an eye
keeping on it for undesirable usage.
- An API for requesting all regulators defined in DT.
- Conversion of lots of drivers to the I2C probe_new() API.
- Support for Mediatek MT6357, Qualcomm PM8550, PMR735a and
Richtek RT6190.
There's a cross tree merge with the I2C tree in order to use the new
i2c_client_get_device_id() helper in the conversions to probe_new().
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Merge tag 'regulator-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Quite a quiet release for regulator, the diffstat is dominated by the
I2C migration to probe_new() and the newly added MT6357 driver. We've
just one framework addition and the rest is all new device support,
fixes and cleanups.
The framework addition is an API for requesting all regulators defined
in DT, this isn't great practice but has reasonable applications when
there is generic code handling devices on buses where the bus
specification doesn't include power. The immediate application is MDIO
but I believe there's others, it's another API that'll need an eye
keeping on it for undesirable usage.
Summary:
- An API for requesting all regulators defined in DT
- Conversion of lots of drivers to the I2C probe_new() API
- Support for Mediatek MT6357, Qualcomm PM8550, PMR735a and Richtek
RT6190"
* tag 'regulator-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (56 commits)
regulator: core: Use different devices for resource allocation and DT lookup
dt-bindings: Add missing 'unevaluatedProperties' to regulator nodes
regulator: qcom-labibb: Fix missing of_node_put() in qcom_labibb_regulator_probe()
regulator: add mt6357 regulator
regulator: dt-bindings: Add binding schema for mt6357 regulators
regulator: core: fix resource leak in regulator_register()
regulator: core: fix module refcount leak in set_supply()
regulator: core: fix use_count leakage when handling boot-on
regulator: rk808: Use dev_err_probe
regulator: rk808: reduce 'struct rk808' usage
regulator: Drop obsolete dependencies on COMPILE_TEST
regulator: pv88080-regulator: Convert to i2c's .probe_new()
regulator: pfuze100-regulator: Convert to i2c's .probe_new()
regulator: isl6271a-regulator: Convert to i2c's .probe_new()
regulator: fan53555: Convert to i2c's .probe_new()
regulator: act8865-regulator: Convert to i2c's .probe_new()
regulator: qcom-rpmh: Add support for PM8550 regulators
regulator: dt-bindings: qcom,rpmh: Add compatible for PM8550
regulator: tps65023-regulator: Convert to i2c's .probe_new()
regulator: tps62360-regulator: Convert to i2c's .probe_new()
...
A few new APIs here, support for the FSI bus (which is used in some
PowerPC systems) plus a couple of new APIs, one allowing abstractions
built on top of regmap to tell if the regmap can be used in an atomic
context and one providing a callback for an in flight device which can't
do interrupt masking very well.
There's also a fix that I never got round to sending because it really
should be fixed better but that's not happened yet and it does avoid the
problem, the fix was in -next for a long time.
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Merge tag 'regmap-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"A few new APIs here, support for the FSI bus (which is used in some
PowerPC systems) plus a couple of new APIs, one allowing abstractions
built on top of regmap to tell if the regmap can be used in an atomic
context and one providing a callback for an in flight device which
can't do interrupt masking very well.
There's also a fix that I never got round to sending because it really
should be fixed better but that's not happened yet and it does avoid
the problem, the fix was in -next for a long time"
* tag 'regmap-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap-irq: Add handle_mask_sync() callback
regmap: Add FSI bus support
regmap: add regmap_might_sleep()
regmap-irq: Use the new num_config_regs property in regmap_add_irq_chip_fwnode
* Fix refcount error in del_mtd_device()
* Fix possible resource leak in init_mtd()
* Set ROOT_DEV for partitions marked as rootfs in DT
* Describe marking rootfs partitions in the bindings
* Fix device name leak when register device failed in add_mtd_device()
* Try to find OF node for every MTD partition
* simplify (a bit) code find partition-matching dynamic OF node
MTD driver changes:
* pxa2xx-flash maps: fix memory leak in probe
* BCM parser: refer to ARCH_BCMBCA instead of ARCH_BCM4908
* lpddr2_nvm: Fix possible null-ptr-deref
* inftlcore: fix repeated words in comments
* lart: remove driver
* tplink:
- Add TP-Link SafeLoader partitions table parser and bindings
- Describe TP-Link SafeLoader parser
- Describe TP-Link SafeLoader dynamic subpartitions
* mtdoops:
- Panic caused mtdoops to call mtdoops_erase function immediately
- Add mtdoops_erase function and move mtdoops_inc_counter to after it
- Change printk() to counterpart pr_ functions
MTD binding cleanup:
* Fixed-partitions: Fix 'sercomm,scpart-id' schema
* Standardize the style in the examples
* Drop object types when referencing other files
* Argue in favor of keeping additionalProperties set to true
* NVMEM-cells:
- Inherit from MTD partitions
- Drop range property from example
* Partitions:
- Change qcom,smem-part partition type
- Constrain the list of parsers
* Physmap: Reuse the generic definitions
* SPI-NOR: Drop common properties
* Sunxi-nand: Add an example to validate the bindings
* Onenand: Mention the expected node name
* Ingenic: Mark partitions in the controller node as deprecated
* NAND:
- Standardize the child node name
- Drop common properties already defined in generic files
- nand-chip.yaml should reference mtd.yaml
* Remove useless file about partitions
* Clarify all partition subnodes
SPI NOR core changes:
* Add support for flash reset using the dt reset-gpios property.
* Update hwcaps.mask to include 8D-8D-8D read and page program ops
when xSPI profile 1.0 table is defined.
* Bypass zero erase size in spi_nor_find_best_erase_type().
* Fix select_uniform_erase to skip 0 erase size
* Add generic flash driver. If a flash is not found in the flash_info
array, fall back to the generic flash driver which is described solely
by the flash's SFDP tables.
* Fix the number of bytes for the dummy cycles in
spi_nor_spimem_check_readop().
* Introduce SPI_NOR_QUAD_PP flag, as PP_1_1_4 is not SFDP discoverable.
SPI NOR manufacturer drivers changes:
* Spansion:
- use PARSE_SFDP for s28hs512t,
- add support for s28hl512t, s28hl01gt, and s28hs01gt.
* Gigadevice: Replace default_init() with post_bfpt() for gd25q256.
* Micron - ST: Enable locking for mt25qu256a.
* Winbond: Add support for W25Q512NW-IQ.
* ISSI: Use PARSE_SFDP and SPI_NOR_QUAD_PP.
Raw NAND core changes:
* Drop obsolete dependencies on COMPILE_TEST
* MAINTAINERS: rectify entry for MESON NAND controller bindings
* Drop EXPORT_SYMBOL_GPL for nanddev_erase()
Raw NAND driver changes:
* marvell: Enable NFC/DEVBUS arbiter
* gpmi: Use pm_runtime_resume_and_get instead of pm_runtime_get_sync
* mpc5121: Replace NO_IRQ by 0
* lpc32xx_{slc,mlc}:
- Switch to using pm_ptr()
- Switch to using gpiod API
* lpc32xx_mlc: Switch to using pm_ptr()
* cadence: Support 64-bit slave dma interface
* rockchip: Describe rk3128-nfc in the bindings
* brcmnand: Update interrupts description in the bindings
SPI-NAND driver changes:
* winbond:
- Add Winbond W25N02KV flash support
- Fix flash identification
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Merge tag 'mtd/for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd updates from Miquel Raynal:
"MTD core changes:
- Fix refcount error in del_mtd_device()
- Fix possible resource leak in init_mtd()
- Set ROOT_DEV for partitions marked as rootfs in DT
- Describe marking rootfs partitions in the bindings
- Fix device name leak when register device fails in add_mtd_device()
- Try to find OF node for every MTD partition
- simplify (a bit) code find partition-matching dynamic OF node
MTD driver changes:
- pxa2xx-flash maps: fix memory leak in probe
- BCM parser: refer to ARCH_BCMBCA instead of ARCH_BCM4908
- lpddr2_nvm: Fix possible null-ptr-deref
- inftlcore: fix repeated words in comments
- lart: remove driver
- tplink:
- Add TP-Link SafeLoader partitions table parser and bindings
- Describe TP-Link SafeLoader parser
- Describe TP-Link SafeLoader dynamic subpartitions
- mtdoops:
- Panic caused mtdoops to call mtdoops_erase function immediately
- Add mtdoops_erase function and move mtdoops_inc_counter after it
- Change printk() to counterpart pr_ functions
MTD binding cleanup:
- Fixed-partitions: Fix 'sercomm,scpart-id' schema
- Standardize the style in the examples
- Drop object types when referencing other files
- Argue in favor of keeping additionalProperties set to true
- NVMEM-cells:
- Inherit from MTD partitions
- Drop range property from example
- Partitions:
- Change qcom,smem-part partition type
- Constrain the list of parsers
- Physmap: Reuse the generic definitions
- SPI-NOR: Drop common properties
- Sunxi-nand: Add an example to validate the bindings
- Onenand: Mention the expected node name
- Ingenic: Mark partitions in the controller node as deprecated
- NAND:
- Standardize the child node name
- Drop common properties already defined in generic files
- nand-chip.yaml should reference mtd.yaml
- Remove useless file about partitions
- Clarify all partition subnodes
SPI NOR core changes:
- Add support for flash reset using the dt reset-gpios property.
- Update hwcaps.mask to include 8D-8D-8D read and page program ops
when xSPI profile 1.0 table is defined.
- Bypass zero erase size in spi_nor_find_best_erase_type().
- Fix select_uniform_erase to skip 0 erase size
- Add generic flash driver. If a flash is not found in the flash_info
array, fall back to the generic flash driver which is described
solely by the flash's SFDP tables.
- Fix the number of bytes for the dummy cycles in
spi_nor_spimem_check_readop().
- Introduce SPI_NOR_QUAD_PP flag, as PP_1_1_4 is not SFDP
discoverable.
SPI NOR manufacturer drivers changes:
- Spansion:
- use PARSE_SFDP for s28hs512t,
- add support for s28hl512t, s28hl01gt, and s28hs01gt.
- Gigadevice: Replace default_init() with post_bfpt() for gd25q256.
- Micron - ST: Enable locking for mt25qu256a.
- Winbond: Add support for W25Q512NW-IQ.
- ISSI: Use PARSE_SFDP and SPI_NOR_QUAD_PP.
Raw NAND core changes:
- Drop obsolete dependencies on COMPILE_TEST
- MAINTAINERS: rectify entry for MESON NAND controller bindings
- Drop EXPORT_SYMBOL_GPL for nanddev_erase()
Raw NAND driver changes:
- marvell: Enable NFC/DEVBUS arbiter
- gpmi: Use pm_runtime_resume_and_get instead of pm_runtime_get_sync
- mpc5121: Replace NO_IRQ by 0
- lpc32xx_{slc,mlc}:
- Switch to using pm_ptr()
- Switch to using gpiod API
- lpc32xx_mlc: Switch to using pm_ptr()
- cadence: Support 64-bit slave dma interface
- rockchip: Describe rk3128-nfc in the bindings
- brcmnand: Update interrupts description in the bindings
SPI-NAND driver changes:
- winbond:
- Add Winbond W25N02KV flash support
- Fix flash identification"
* tag 'mtd/for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (76 commits)
mtd: rawnand: Drop obsolete dependencies on COMPILE_TEST
mtd: maps: pxa2xx-flash: fix memory leak in probe
mtd: core: Fix refcount error in del_mtd_device()
mtd: spi-nor: add SFDP fixups for Quad Page Program
mtd: spi-nor: issi: is25wp256: Init flash based on SFDP
mtd: spi-nor: winbond: add support for W25Q512NW-IQ
mtd: spi-nor: micron-st: Enable locking for mt25qu256a
mtd: spi-nor: Fix the number of bytes for the dummy cycles
mtd: spi-nor: gigadevice: gd25q256: replace gd25q256_default_init with gd25q256_post_bfpt
mtd: spi-nor: Fix formatting in spi_nor_read_raw() kerneldoc comment
mtd: spi-nor: sysfs: print JEDEC ID for generic flash driver
mtd: spi-nor: add generic flash driver
mtd: spi-nor: fix select_uniform_erase to skip 0 erase size
mtd: spi-nor: move function declaration out of sfdp.h
mtd: spi-nor: remember full JEDEC flash ID
mtd: spi-nor: sysfs: hide manufacturer if it is not set
mtd: spi-nor: hide jedec_id sysfs attribute if not present
mtd: spi-nor: Check for zero erase size in spi_nor_find_best_erase_type()
mtd: rawnand: marvell: Enable NFC/DEVBUS arbiter
mtd: parsers: refer to ARCH_BCMBCA instead of ARCH_BCM4908
...
Initial accel subsystem support. There are no drivers yet, just the framework.
New driver:
- ofdrm - replacement for offb
fbdev:
- add support for nomodeset
fourcc:
- add Vivante tiled modifier
core:
- atomic-helpers: CRTC primary plane test fixes, fb access hooks
- connector: TV API consistency, cmdline parser improvements
- send connector hotplug on cleanup
- sort makefile objects
tests:
- sort kunit tests
- improve DP-MST tests
- add kunit helpers to create a device
sched:
- module param for scheduling policy
- refcounting fix
buddy:
- add back random seed log
ttm:
- convert ttm_resource to size_t
- optimize pool allocations
edid:
- HFVSDB parsing support fixes
- logging/debug improvements
- DSC quirks
dma-buf:
- Add unlocked vmap and attachment mapping
- move drivers to common locking convention
- locking improvements
firmware:
- new API for rPI firmware and vc4
xilinx:
- zynqmp: displayport bridge support
- dpsub fix
bridge:
- adv7533: Remove dynamic lane switching
- it6505: Runtime PM support, sync improvements
- ps8640: Handle AUX defer messages
- tc358775: Drop soft-reset over I2C
panel:
- panel-edp: Add INX N116BGE-EA2 C2 and C4 support.
- Jadard JD9365DA-H3
- NewVision NV3051D
amdgpu:
- DCN support on ARM
- DCN 2.1 secure display
- Sienna Cichlid mode2 reset fixes
- new GC 11.x firmware versions
- drop AMD specific DSC workarounds in favour of drm code
- clang warning fixes
- scheduler rework
- SR-IOV fixes
- GPUVM locking fixes
- fix memory leak in CS IOCTL error path
- flexible array updates
- enable new GC/PSP/SMU/NBIO IP
- GFX preemption support for gfx9
amdkfd:
- cache size fixes
- userptr fixes
- enable cooperative launch on gfx 10.3
- enable GC 11.0.4 KFD support
radeon:
- replace kmap with kmap_local_page
- ACPI ref count fix
- HDA audio notifier support
i915:
- DG2 enabled by default
- MTL enablement work
- hotplug refactoring
- VBT improvements
- Display and watermark refactoring
- ADL-P workaround
- temp disable runtime_pm for discrete-
- fix for A380 as a secondary GPU
- Wa_18017747507 for DG2
- CS timestamp support fixes for gen5 and earlier
- never purge busy TTM objects
- use i915_sg_dma_sizes for all backends
- demote GuC kernel contexts to normal priority
- gvt: refactor for new MDEV interface
- enable DC power states on eDP ports
- fix gen 2/3 workarounds
nouveau:
- fix page fault handling
- Ampere acceleration support
- driver stability improvements
- nva3 backlight support
msm:
- MSM_INFO_GET_FLAGS support
- DPU: XR30 and P010 image formats
- Qualcomm SM6115 support
- DSI PHY support for QCM2290
- HDMI: refactored dev init path
- remove exclusive-fence hack
- fix speed-bin detection
- enable clamp to idle on 7c3
- improved hangcheck detection
vmwgfx:
- fb and cursor refactoring
- convert to generic hashtable
- cursor improvements
etnaviv:
- hw workarounds
- softpin MMU fixes
ast:
- atomic gamma LUT support
- convert to SHMEM
lcdif:
- support YUV planes
- Increase DMA burst size
- FIFO threshold tuning
meson:
- fix return type of cvbs mode_valid
mgag200:
- fix PLL setup on some revisions
sun4i:
- A100 and D1 support
udl:
- modesetting improvements
- hot unplug support
vc4:
- support PAL-M
- fix regression preventing 4K @ 60Hz
- fix NULL ptr deref
v3d:
- switch to drm managed resources
renesas:
- RZ/G2L DSI support
- DU Kconfig cleanup
mediatek:
- fixup dpi and hdmi
- MT8188 dpi support
- MT8195 AFBC support
tegra:
- NVDEC hardware on Tegra234 SoC
hdlcd:
- switch to drm managed resources
ingenic:
- fix registration error path
hisilicon:
- convert to drm_mode_init
maildp:
- use managed resources
mtk:
- use drm_mode_init
rockchip:
- use drm_mode_copy
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Merge tag 'drm-next-2022-12-13' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"The biggest highlight is that the accel subsystem framework is merged.
Hopefully for 6.3 we will be able to line up a driver to use it.
In drivers land, i915 enables DG2 support by default now, and nouveau
has a big stability refactoring and initial ampere support, AMD
includes new hw IP support and should build on ARM again. There is
also an ofdrm driver to take over offb on platforms it's used.
Stuff outside my tree, the dma-buf patches hit a few places, the vc4
firmware changes also do, and i915 has some interactions with MEI for
discrete GPUs. I think all of those should have been acked/reviewed by
relevant parties.
New driver:
- ofdrm - replacement for offb
fbdev:
- add support for nomodeset
fourcc:
- add Vivante tiled modifier
core:
- atomic-helpers: CRTC primary plane test fixes, fb access hooks
- connector: TV API consistency, cmdline parser improvements
- send connector hotplug on cleanup
- sort makefile objects
tests:
- sort kunit tests
- improve DP-MST tests
- add kunit helpers to create a device
sched:
- module param for scheduling policy
- refcounting fix
buddy:
- add back random seed log
ttm:
- convert ttm_resource to size_t
- optimize pool allocations
edid:
- HFVSDB parsing support fixes
- logging/debug improvements
- DSC quirks
dma-buf:
- Add unlocked vmap and attachment mapping
- move drivers to common locking convention
- locking improvements
firmware:
- new API for rPI firmware and vc4
xilinx:
- zynqmp: displayport bridge support
- dpsub fix
bridge:
- adv7533: Remove dynamic lane switching
- it6505: Runtime PM support, sync improvements
- ps8640: Handle AUX defer messages
- tc358775: Drop soft-reset over I2C
panel:
- panel-edp: Add INX N116BGE-EA2 C2 and C4 support.
- Jadard JD9365DA-H3
- NewVision NV3051D
amdgpu:
- DCN support on ARM
- DCN 2.1 secure display
- Sienna Cichlid mode2 reset fixes
- new GC 11.x firmware versions
- drop AMD specific DSC workarounds in favour of drm code
- clang warning fixes
- scheduler rework
- SR-IOV fixes
- GPUVM locking fixes
- fix memory leak in CS IOCTL error path
- flexible array updates
- enable new GC/PSP/SMU/NBIO IP
- GFX preemption support for gfx9
amdkfd:
- cache size fixes
- userptr fixes
- enable cooperative launch on gfx 10.3
- enable GC 11.0.4 KFD support
radeon:
- replace kmap with kmap_local_page
- ACPI ref count fix
- HDA audio notifier support
i915:
- DG2 enabled by default
- MTL enablement work
- hotplug refactoring
- VBT improvements
- Display and watermark refactoring
- ADL-P workaround
- temp disable runtime_pm for discrete-
- fix for A380 as a secondary GPU
- Wa_18017747507 for DG2
- CS timestamp support fixes for gen5 and earlier
- never purge busy TTM objects
- use i915_sg_dma_sizes for all backends
- demote GuC kernel contexts to normal priority
- gvt: refactor for new MDEV interface
- enable DC power states on eDP ports
- fix gen 2/3 workarounds
nouveau:
- fix page fault handling
- Ampere acceleration support
- driver stability improvements
- nva3 backlight support
msm:
- MSM_INFO_GET_FLAGS support
- DPU: XR30 and P010 image formats
- Qualcomm SM6115 support
- DSI PHY support for QCM2290
- HDMI: refactored dev init path
- remove exclusive-fence hack
- fix speed-bin detection
- enable clamp to idle on 7c3
- improved hangcheck detection
vmwgfx:
- fb and cursor refactoring
- convert to generic hashtable
- cursor improvements
etnaviv:
- hw workarounds
- softpin MMU fixes
ast:
- atomic gamma LUT support
- convert to SHMEM
lcdif:
- support YUV planes
- Increase DMA burst size
- FIFO threshold tuning
meson:
- fix return type of cvbs mode_valid
mgag200:
- fix PLL setup on some revisions
sun4i:
- A100 and D1 support
udl:
- modesetting improvements
- hot unplug support
vc4:
- support PAL-M
- fix regression preventing 4K @ 60Hz
- fix NULL ptr deref
v3d:
- switch to drm managed resources
renesas:
- RZ/G2L DSI support
- DU Kconfig cleanup
mediatek:
- fixup dpi and hdmi
- MT8188 dpi support
- MT8195 AFBC support
tegra:
- NVDEC hardware on Tegra234 SoC
hdlcd:
- switch to drm managed resources
ingenic:
- fix registration error path
hisilicon:
- convert to drm_mode_init
maildp:
- use managed resources
mtk:
- use drm_mode_init
rockchip:
- use drm_mode_copy"
* tag 'drm-next-2022-12-13' of git://anongit.freedesktop.org/drm/drm: (1397 commits)
drm/amdgpu: fix mmhub register base coding error
drm/amdgpu: add tmz support for GC IP v11.0.4
drm/amdgpu: enable GFX Clock Gating control for GC IP v11.0.4
drm/amdgpu: enable GFX Power Gating for GC IP v11.0.4
drm/amdgpu: enable GFX IP v11.0.4 CG support
drm/amdgpu: Make amdgpu_ring_mux functions as static
drm/amdgpu: generally allow over-commit during BO allocation
drm/amd/display: fix array index out of bound error in DCN32 DML
drm/amd/display: 3.2.215
drm/amd/display: set optimized required for comp buf changes
drm/amd/display: Add debug option to skip PSR CRTC disable
drm/amd/display: correct DML calc error of UrgentLatency
drm/amd/display: correct static_screen_event_mask
drm/amd/display: Ensure commit_streams returns the DC return code
drm/amd/display: read invalid ddc pin status cause engine busy
drm/amd/display: Bypass DET swath fill check for max clocks
drm/amd/display: Disable uclk pstate for subvp pipes
drm/amd/display: Fix DCN2.1 default DSC clocks
drm/amd/display: Enable dp_hdmi21_pcon support
drm/amd/display: prevent seamless boot on displays that don't have the preferred dig
...
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Merge tag 'media/v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- DVB core changes to avoid refcount troubles and UAF
- DVB API/core has gained support for DVB-C2 and DVB-S2X
- New sensor drivers: ov08x40, ov4689.c, st-vgxy61 and tc358746.c
- Removal of an unused sensor driver: s5k4ecgx
- Move microchip_csi2dc to a new directory, named after the
manufacturer
- Add media controller support to Microship drivers
- Old Atmel/Microship drivers that don't use media controler got moved
to staging
- New drivers added for Renesas RZ/G2L CRU and MIPI CSI-2 support
- Allwinner A31 camera sensor driver code was now split into a bridge
and a separate processor driver
- Added a virtual stateless decoder driver in order to test core
support for stateless drivers and test userspace apps using it
- removed platform-based support for ov9650, as this is not used
anymore
- atomisp now uses videobuf2 and supports normal mmap mode
- the imx7-media-csi driver got promoted from staging
- rcar-vin driver has gained support for gen3 UDS (Up Down Scaler)
- most i2c drivers now use I2C .probe_new() kAPI
- lots of drivers fixes, cleanups and improvements
* tag 'media/v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (544 commits)
media: s5c73m3: Switch to GPIO descriptors
media: i2c: s5k5baf: switch to using gpiod API
media: i2c: s5k6a3: switch to using gpiod API
media: imx: remove code for non-existing config IMX_GPT_ICAP
media: si470x: Fix use-after-free in si470x_int_in_callback()
media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies
media: coda: Add check for kmalloc
media: coda: Add check for dcoda_iram_alloc
dt-bindings: media: s5c73m3: Fix reset-gpio descriptor
media: dt-bindings: allwinner: h6-vpu-g2: Add IOMMU reference property
media: s5k4ecgx: Delete driver
media: s5k4ecgx: Switch to GPIO descriptors
media: Switch to use dev_err_probe() helper
headers: Remove some left-over license text in include/uapi/linux/v4l2-*
headers: Remove some left-over license text in include/uapi/linux/dvb/
media: usb: pwc-uncompress: Use flex array destination for memcpy()
media: s5p-mfc: Fix to handle reference queue during finishing
media: s5p-mfc: Clear workbit to handle error condition
media: s5p-mfc: Fix in register read and write for H264
media: imx: Use get_mbus_config instead of parsing upstream DT endpoints
...
This looks like a relatively calm development cycle; there have been
only few changes in ALSA and ASoC core sides while we get lots of
device-specific fixes and updates as usual. Most of commits are about
ASoC, including Intel SOF/AVS and many device tree updates.
Below are some highlights:
Core:
- Improvement in memalloc helper for fallback allocations
- More cleanups of ASoC DAPM code
ASoC:
- Factoring out of mapping hw_params onto SoundWire configuration
- The ever ongoing overhauls of the Intel DSP code continue, including
support for loading libraries and probes with IPC4 on SOF.
- Support for more sample formats on JZ4740
- Lots of device tree conversions and fixups
- Support for Allwinner D1, a range of AMD and Intel systems, Mediatek
systems with multiple DMICs, Nuvoton NAU8318, NXP fsl_rpmsg and
i.MX93, Qualcomm AudioReach Enable, MFC and SAL, RealTek RT1318 and
Rockchip RK3588
ALSA:
- Addition of PCM kselftest; still minimalistic but can be extended
in future
- Fixes for corner-case XRUNs with USB-audio implicit feedback mode
- Usual device-specific quirk updates for USB- and HD-audio
- FireWire DICE updates
Also, this PR also contains a few cross-tree updates:
- Some OMAP board file updates for removal of relevant OMAP platforms
- A new I2C API update for I2C probe API adaption
- A DRM update for the further hdmi-codec updates
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Merge tag 'sound-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This looks like a relatively calm development cycle; there have been
only few changes in ALSA and ASoC core sides while we get lots of
device-specific fixes and updates as usual. Most of commits are about
ASoC, including Intel SOF/AVS and many device tree updates.
Below are some highlights:
Core:
- Improvement in memalloc helper for fallback allocations
- More cleanups of ASoC DAPM code
ASoC:
- Factoring out of mapping hw_params onto SoundWire configuration
- The ever ongoing overhauls of the Intel DSP code continue,
including support for loading libraries and probes with IPC4 on
SOF.
- Support for more sample formats on JZ4740
- Lots of device tree conversions and fixups
- Support for Allwinner D1, a range of AMD and Intel systems,
Mediatek systems with multiple DMICs, Nuvoton NAU8318, NXP
fsl_rpmsg and i.MX93, Qualcomm AudioReach Enable, MFC and SAL,
RealTek RT1318 and Rockchip RK3588
ALSA:
- Addition of PCM kselftest; still minimalistic but can be extended
in future
- Fixes for corner-case XRUNs with USB-audio implicit feedback mode
- Usual device-specific quirk updates for USB- and HD-audio
- FireWire DICE updates
This also contains a few cross-tree updates:
- Some OMAP board file updates for removal of relevant OMAP platforms
- A new I2C API update for I2C probe API adaption
- A DRM update for the further hdmi-codec updates"
* tag 'sound-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (417 commits)
ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt
ALSA: patch_realtek: Fix Dell Inspiron Plus 16
ALSA: hda/cirrus: Add extra 10 ms delay to allow PLL settle and lock.
ASoC: dt-bindings: Correct Alexandre Belloni email
ASoC: dt-bindings: maxim,max98504: Convert to DT schema
ASoC: dt-bindings: maxim,max98357a: Convert to DT schema
ASoC: dt-bindings: Reference common DAI properties
ASoC: dt-bindings: Extend name-prefix.yaml into common DAI properties
ASoC: rt715: Make read-only arrays capture_reg_H and capture_reg_L static const
ASoC: uniphier: aio-core: Make some read-only arrays static const
ASoC: wcd938x: Make read-only array minCode_param static const
ASoC: qcom: lpass-sc7280: Add maybe_unused tag for system PM ops
ASoC : SOF: amd: Add support for IPC and DSP dumps
ASoC: SOF: amd: Use poll function instead to read ACP_SHA_DSP_FW_QUALIFIER
ALSA: usb-audio: Workaround for XRUN at prepare
ALSA: pcm: Handle XRUN at trigger START
ALSA: pcm: Set missing stop_operating flag at undoing trigger start
drm: tda99x: Don't advertise non-existent capture support
ASoC: hdmi-codec: Allow playback and capture to be disabled
kselftest/alsa: Add more coverage of sample rates and channel counts
...
target destruction in DM targets: thin-pool, cache, integrity and
clone.
- Fix ABBA deadlocks in DM thin-pool and cache targets due to their
use of a bufio client (that has a shrinker whose locking can cause
the incorrect locking order).
- Fix DM cache target to set its needs_check flag after first aborting
the metadata (whereby using reset persistent-data objects to update
the superblock with, otherwise the superblock update could be
dropped due to aborting metadata). This was found with
code-inspection when comparing with the equivalent in DM thinp
code.
- Fix DM thin-pool's presume to continue resuming the device even if
the pool in is fail mode -- otherwise bios may never be failed up
the IO stack (which will prevent resetting the thin-pool target via
table reload)
- Fix DM thin-pool's metadata to use proper btree root (from previous
transaction) if metadata commit failed.
- Add 'waitfor' module param to DM module (dm_mod) to allow dm-init to
wait for the specified device before continuing with its DM target
initialization.
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Merge tag 'for-6.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Fix use-after-free races due to missing resource cleanup during DM
target destruction in DM targets: thin-pool, cache, integrity and
clone.
- Fix ABBA deadlocks in DM thin-pool and cache targets due to their use
of a bufio client (that has a shrinker whose locking can cause the
incorrect locking order).
- Fix DM cache target to set its needs_check flag after first aborting
the metadata (whereby using reset persistent-data objects to update
the superblock with, otherwise the superblock update could be dropped
due to aborting metadata). This was found with code-inspection when
comparing with the equivalent in DM thinp code.
- Fix DM thin-pool's presume to continue resuming the device even if
the pool in is fail mode -- otherwise bios may never be failed up the
IO stack (which will prevent resetting the thin-pool target via table
reload)
- Fix DM thin-pool's metadata to use proper btree root (from previous
transaction) if metadata commit failed.
- Add 'waitfor' module param to DM module (dm_mod) to allow dm-init to
wait for the specified device before continuing with its DM target
initialization.
* tag 'for-6.2/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm thin: Use last transaction's pmd->root when commit failed
dm init: add dm-mod.waitfor to wait for asynchronously probed block devices
dm ioctl: fix a couple ioctl codes
dm ioctl: a small code cleanup in list_version_get_info
dm thin: resume even if in FAIL mode
dm cache: set needs_check flag after aborting metadata
dm cache: Fix ABBA deadlock between shrink_slab and dm_cache_metadata_abort
dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata
dm integrity: Fix UAF in dm_integrity_dtr()
dm cache: Fix UAF in destroy()
dm clone: Fix UAF in clone_dtr()
dm thin: Fix UAF in run_timer_softirq()
ata changes fro 6.2 include the ususal set of driver fixes and
improvements as well as several patches improving libata core in
preparation of the introduction of the support for the command duration
limits feature. In more details:
- Define the missing COMPLETED sense key in scsi header (from me).
- Several patches to improve libata handling of the status of
completed commands and the retry and sense data reported to the scsi
layer for failed commands. In particular, this widen the support for
NCQ autosense to all drives that support this feature instead of
restricting this feature use to ZAC drives only (from Niklas).
- Cleanup of the pata_mpc52xx and sata_dwc_460ex drivers to remove the
use of the deprecated NO_IRQ macro (from Christophe).
- Fix build dedependency on OF vs use of the of_match_ptr() macro to
avoid build errors with the sata_gemini and pata_ftide010 drivers
(from me).
- Some libata cleanups using the new helper function
ata_port_is_frozen() (from Niklas).
- Improve internal command handling by not retrying commands that
failed with a timeout (from Niklas).
- Remove code for several unused libata helper functions (from
Niklas).
- Remove the palmchip pata_bk3710 driver. A couple of other driver
removal should come in through the arm tree pull request (from
Arnd).
- Remove unused variable and function in the sata_dwc_460ex driver and
libata-sff code (from Colin and Sergey).
- Minor cleanup of the pata_ep93xx driver platform code (from
Minghao).
- Remove the unnecessary linux/msi.h include from the ahci driver
(from Thomas).
- Changes to libata enum constants definitions to avoid warnings with
gcc-13 (from Arnd).
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Merge tag 'ata-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"The ususal set of driver fixes and improvements as well as several
patches improving libata core in preparation of the introduction of
the support for the command duration limits feature. In more details:
- Define the missing COMPLETED sense key in scsi header (me)
- Several patches to improve libata handling of the status of
completed commands and the retry and sense data reported to the
scsi layer for failed commands. In particular, this widen the
support for NCQ autosense to all drives that support this feature
instead of restricting this feature use to ZAC drives only (Niklas)
- Cleanup of the pata_mpc52xx and sata_dwc_460ex drivers to remove
the use of the deprecated NO_IRQ macro (Christophe)
- Fix build dedependency on OF vs use of the of_match_ptr() macro to
avoid build errors with the sata_gemini and pata_ftide010 drivers
(me)
- Some libata cleanups using the new helper function
ata_port_is_frozen() (Niklas)
- Improve internal command handling by not retrying commands that
failed with a timeout (Niklas)
- Remove code for several unused libata helper functions (from
Niklas)
- Remove the palmchip pata_bk3710 driver. A couple of other driver
removal should come in through the arm tree pull request (from
Arnd)
- Remove unused variable and function in the sata_dwc_460ex driver
and libata-sff code (Colin and Sergey)
- Minor cleanup of the pata_ep93xx driver platform code (from
Minghao)
- Remove the unnecessary linux/msi.h include from the ahci driver
(Thomas)
- Changes to libata enum constants definitions to avoid warnings with
gcc-13 (Arnd)"
* tag 'ata-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (24 commits)
ata: ahci: fix enum constants for gcc-13
ata: libata: fix commands incorrectly not getting retried during NCQ error
ata: ahci: Remove linux/msi.h include
ata: sata_dwc_460ex: Check !irq instead of irq == NO_IRQ
ata: pata_ep93xx: use devm_platform_get_and_ioremap_resource()
ata: libata-sff: kill unused ata_sff_busy_sleep()
ata: sata_dwc_460ex: remove variable num_processed
ata: remove palmchip pata_bk3710 driver
ata: remove unused helper ata_id_flush_ext_enabled()
ata: remove unused helper ata_id_flush_enabled()
ata: remove unused helper ata_id_lba48_enabled()
ata: libata-core: do not retry reading the log on timeout
scsi: libsas: make use of ata_port_is_frozen() helper
ata: make use of ata_port_is_frozen() helper
ata: add ata_port_is_frozen() helper
ata: pata_ftide010: Remove build dependency on OF
ata: sata_gemini: Remove dependency on OF for compile tests
ata: pata_mpc52xx: Replace NO_IRQ with 0
ata: libahci: read correct status and error field for NCQ commands
ata: libata: fetch sense data for ATA devices supporting sense reporting
...
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Merge tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- NVMe pull requests via Christoph:
- Support some passthrough commands without CAP_SYS_ADMIN (Kanchan
Joshi)
- Refactor PCIe probing and reset (Christoph Hellwig)
- Various fabrics authentication fixes and improvements (Sagi
Grimberg)
- Avoid fallback to sequential scan due to transient issues (Uday
Shankar)
- Implement support for the DEAC bit in Write Zeroes (Christoph
Hellwig)
- Allow overriding the IEEE OUI and firmware revision in configfs
for nvmet (Aleksandr Miloserdov)
- Force reconnect when number of queue changes in nvmet (Daniel
Wagner)
- Minor fixes and improvements (Uros Bizjak, Joel Granados, Sagi
Grimberg, Christoph Hellwig, Christophe JAILLET)
- Fix and cleanup nvme-fc req allocation (Chaitanya Kulkarni)
- Use the common tagset helpers in nvme-pci driver (Christoph
Hellwig)
- Cleanup the nvme-pci removal path (Christoph Hellwig)
- Use kstrtobool() instead of strtobool (Christophe JAILLET)
- Allow unprivileged passthrough of Identify Controller (Joel
Granados)
- Support io stats on the mpath device (Sagi Grimberg)
- Minor nvmet cleanup (Sagi Grimberg)
- MD pull requests via Song:
- Code cleanups (Christoph)
- Various fixes
- Floppy pull request from Denis:
- Fix a memory leak in the init error path (Yuan)
- Series fixing some batch wakeup issues with sbitmap (Gabriel)
- Removal of the pktcdvd driver that was deprecated more than 5 years
ago, and subsequent removal of the devnode callback in struct
block_device_operations as no users are now left (Greg)
- Fix for partition read on an exclusively opened bdev (Jan)
- Series of elevator API cleanups (Jinlong, Christoph)
- Series of fixes and cleanups for blk-iocost (Kemeng)
- Series of fixes and cleanups for blk-throttle (Kemeng)
- Series adding concurrent support for sync queues in BFQ (Yu)
- Series bringing drbd a bit closer to the out-of-tree maintained
version (Christian, Joel, Lars, Philipp)
- Misc drbd fixes (Wang)
- blk-wbt fixes and tweaks for enable/disable (Yu)
- Fixes for mq-deadline for zoned devices (Damien)
- Add support for read-only and offline zones for null_blk
(Shin'ichiro)
- Series fixing the delayed holder tracking, as used by DM (Yu,
Christoph)
- Series enabling bio alloc caching for IRQ based IO (Pavel)
- Series enabling userspace peer-to-peer DMA (Logan)
- BFQ waker fixes (Khazhismel)
- Series fixing elevator refcount issues (Christoph, Jinlong)
- Series cleaning up references around queue destruction (Christoph)
- Series doing quiesce by tagset, enabling cleanups in drivers
(Christoph, Chao)
- Series untangling the queue kobject and queue references (Christoph)
- Misc fixes and cleanups (Bart, David, Dawei, Jinlong, Kemeng, Ye,
Yang, Waiman, Shin'ichiro, Randy, Pankaj, Christoph)
* tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux: (247 commits)
blktrace: Fix output non-blktrace event when blk_classic option enabled
block: sed-opal: Don't include <linux/kernel.h>
sed-opal: allow using IOC_OPAL_SAVE for locking too
blk-cgroup: Fix typo in comment
block: remove bio_set_op_attrs
nvmet: don't open-code NVME_NS_ATTR_RO enumeration
nvme-pci: use the tagset alloc/free helpers
nvme: add the Apple shared tag workaround to nvme_alloc_io_tag_set
nvme: only set reserved_tags in nvme_alloc_io_tag_set for fabrics controllers
nvme: consolidate setting the tagset flags
nvme: pass nr_maps explicitly to nvme_alloc_io_tag_set
block: bio_copy_data_iter
nvme-pci: split out a nvme_pci_ctrl_is_dead helper
nvme-pci: return early on ctrl state mismatch in nvme_reset_work
nvme-pci: rename nvme_disable_io_queues
nvme-pci: cleanup nvme_suspend_queue
nvme-pci: remove nvme_pci_disable
nvme-pci: remove nvme_disable_admin_queue
nvme: merge nvme_shutdown_ctrl into nvme_disable_ctrl
nvme: use nvme_wait_ready in nvme_shutdown_ctrl
...
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Merge tag 'for-6.2/io_uring-next-2022-12-08' of git://git.kernel.dk/linux
Pull io_uring updates part two from Jens Axboe:
- Misc fixes (me, Lin)
- Series from Pavel extending the single task exclusive ring mode,
yielding nice improvements for the common case of having a single
ring per thread (Pavel)
- Cleanup for MSG_RING, removing our IOPOLL hack (Pavel)
- Further poll cleanups and fixes (Pavel)
- Misc cleanups and fixes (Pavel)
* tag 'for-6.2/io_uring-next-2022-12-08' of git://git.kernel.dk/linux: (22 commits)
io_uring/msg_ring: flag target ring as having task_work, if needed
io_uring: skip spinlocking for ->task_complete
io_uring: do msg_ring in target task via tw
io_uring: extract a io_msg_install_complete helper
io_uring: get rid of double locking
io_uring: never run tw and fallback in parallel
io_uring: use tw for putting rsrc
io_uring: force multishot CQEs into task context
io_uring: complete all requests in task context
io_uring: don't check overflow flush failures
io_uring: skip overflow CQE posting for dying ring
io_uring: improve io_double_lock_ctx fail handling
io_uring: dont remove file from msg_ring reqs
io_uring: reshuffle issue_flags
io_uring: don't reinstall quiesce node for each tw
io_uring: improve rsrc quiesce refs checks
io_uring: don't raw spin unlock to match cq_lock
io_uring: combine poll tw handlers
io_uring: improve poll warning handling
io_uring: remove ctx variable in io_poll_check_events
...
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Merge tag 'for-6.2/io_uring-2022-12-08' of git://git.kernel.dk/linux
Pull io_uring updates from Jens Axboe:
- Always ensure proper ordering in case of CQ ring overflow, which then
means we can remove some work-arounds for that (Dylan)
- Support completion batching for multishot, greatly increasing the
efficiency for those (Dylan)
- Flag epoll/eventfd wakeups done from io_uring, so that we can easily
tell if we're recursing into io_uring again.
Previously, this would have resulted in repeated multishot
notifications if we had a dependency there. That could happen if an
eventfd was registered as the ring eventfd, and we multishot polled
for events on it. Or if an io_uring fd was added to epoll, and
io_uring had a multishot request for the epoll fd.
Test cases here:
https://git.kernel.dk/cgit/liburing/commit/?id=919755a7d0096fda08fb6d65ac54ad8d0fe027cd
Previously these got terminated when the CQ ring eventually
overflowed, now it's handled gracefully (me).
- Tightening of the IOPOLL based completions (Pavel)
- Optimizations of the networking zero-copy paths (Pavel)
- Various tweaks and fixes (Dylan, Pavel)
* tag 'for-6.2/io_uring-2022-12-08' of git://git.kernel.dk/linux: (41 commits)
io_uring: keep unlock_post inlined in hot path
io_uring: don't use complete_post in kbuf
io_uring: spelling fix
io_uring: remove io_req_complete_post_tw
io_uring: allow multishot polled reqs to defer completion
io_uring: remove overflow param from io_post_aux_cqe
io_uring: add lockdep assertion in io_fill_cqe_aux
io_uring: make io_fill_cqe_aux static
io_uring: add io_aux_cqe which allows deferred completion
io_uring: allow defer completion for aux posted cqes
io_uring: defer all io_req_complete_failed
io_uring: always lock in io_apoll_task_func
io_uring: remove iopoll spinlock
io_uring: iopoll protect complete_post
io_uring: inline __io_req_complete_put()
io_uring: remove io_req_tw_post_queue
io_uring: use io_req_task_complete() in timeout
io_uring: hold locks for io_req_complete_failed
io_uring: add completion locking for iopoll
io_uring: kill io_cqring_ev_posted() and __io_cq_unlock_post()
...
- Minor code cleanup to eliminate unnecessary bit shifting.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'iomap-6.2-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap update from Darrick Wong:
- Minor code cleanup to eliminate unnecessary bit shifting
* tag 'iomap-6.2-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: directly use logical block size
- Make some minor adjustments to the remap range preparation function to
skip file updates when the request length is adjusted downwards to
zero.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'vfs-6.2-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull vfs remap_range update from Darrick Wong:
- Make some minor adjustments to the remap range preparation function
to skip file updates when the request length is adjusted downwards to
zero.
* tag 'vfs-6.2-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
fs/remap_range: avoid spurious writeback on zero length request
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Merge tag 'fs.xattr.simple.rework.rbtree.rwlock.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull simple-xattr updates from Christian Brauner:
"This ports the simple xattr infrastucture to rely on a simple rbtree
protected by a read-write lock instead of a linked list protected by a
spinlock.
A while ago we received reports about scaling issues for filesystems
using the simple xattr infrastructure that also support setting a
larger number of xattrs. Specifically, cgroups and tmpfs.
Both cgroupfs and tmpfs can be mounted by unprivileged users in
unprivileged containers and root in an unprivileged container can set
an unrestricted number of security.* xattrs and privileged users can
also set unlimited trusted.* xattrs. A few more words on further that
below. Other xattrs such as user.* are restricted for kernfs-based
instances to a fairly limited number.
As there are apparently users that have a fairly large number of
xattrs we should scale a bit better. Using a simple linked list
protected by a spinlock used for set, get, and list operations doesn't
scale well if users use a lot of xattrs even if it's not a crazy
number.
Let's switch to a simple rbtree protected by a rwlock. It scales way
better and gets rid of the perf issues some people reported. We
originally had fancier solutions even using an rcu+seqlock protected
rbtree but we had concerns about being to clever and also that
deletion from an rbtree with rcu+seqlock isn't entirely safe.
The rbtree plus rwlock is perfectly fine. By far the most common
operation is getting an xattr. While setting an xattr is not and
should be comparatively rare. And listxattr() often only happens when
copying xattrs between files or together with the contents to a new
file.
Holding a lock across listxattr() is unproblematic because it doesn't
list the values of xattrs. It can only be used to list the names of
all xattrs set on a file. And the number of xattr names that can be
listed with listxattr() is limited to XATTR_LIST_MAX aka 65536 bytes.
If a larger buffer is passed then vfs_listxattr() caps it to
XATTR_LIST_MAX and if more xattr names are found it will return
-E2BIG. In short, the maximum amount of memory that can be retrieved
via listxattr() is limited and thus listxattr() bounded.
Of course, the API is broken as documented on xattr(7) already. While
I have no idea how the xattr api ended up in this state we should
probably try to come up with something here at some point. An iterator
pattern similar to readdir() as an alternative to listxattr() or
something else.
Right now it is extremly strange that users can set millions of xattrs
but then can't use listxattr() to know which xattrs are actually set.
And it's really trivial to do:
for i in {1..1000000}; do setfattr -n security.$i -v $i ./file1; done
And around 5000 xattrs it's impossible to use listxattr() to figure
out which xattrs are actually set. So I have suggested that we try to
limit the number of xattrs for simple xattrs at least. But that's a
future patch and I don't consider it very urgent.
A bonus of this port to rbtree+rwlock is that we shrink the memory
consumption for users of the simple xattr infrastructure.
This also adds kernel documentation to all the functions"
* tag 'fs.xattr.simple.rework.rbtree.rwlock.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
xattr: use rbtree for simple_xattrs
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Merge tag 'lsm-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
Pull lsm updates from Paul Moore:
- Improve the error handling in the device cgroup such that memory
allocation failures when updating the access policy do not
potentially alter the policy.
- Some minor fixes to reiserfs to ensure that it properly releases
LSM-related xattr values.
- Update the security_socket_getpeersec_stream() LSM hook to take
sockptr_t values.
Previously the net/BPF folks updated the getsockopt code in the
network stack to leverage the sockptr_t type to make it easier to
pass both kernel and __user pointers, but unfortunately when they did
so they didn't convert the LSM hook.
While there was/is no immediate risk by not converting the LSM hook,
it seems like this is a mistake waiting to happen so this patch
proactively does the LSM hook conversion.
- Convert vfs_getxattr_alloc() to return an int instead of a ssize_t
and cleanup the callers. Internally the function was never going to
return anything larger than an int and the callers were doing some
very odd things casting the return value; this patch fixes all that
and helps bring a bit of sanity to vfs_getxattr_alloc() and its
callers.
- More verbose, and helpful, LSM debug output when the system is booted
with "lsm.debug" on the command line. There are examples in the
commit description, but the quick summary is that this patch provides
better information about which LSMs are enabled and the ordering in
which they are processed.
- General comment and kernel-doc fixes and cleanups.
* tag 'lsm-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
lsm: Fix description of fs_context_parse_param
lsm: Add/fix return values in lsm_hooks.h and fix formatting
lsm: Clarify documentation of vm_enough_memory hook
reiserfs: Add missing calls to reiserfs_security_free()
lsm,fs: fix vfs_getxattr_alloc() return type and caller error paths
device_cgroup: Roll back to original exceptions after copy failure
LSM: Better reporting of actual LSMs at boot
lsm: make security_socket_getpeersec_stream() sockptr_t safe
audit: Fix some kernel-doc warnings
lsm: remove obsoleted comments for security hooks
fs: edit a comment made in bad taste
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Merge tag 'selinux-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"Two SELinux patches: one increases the sleep time on deprecated
functionality, and one removes the indirect calls in the sidtab
context conversion code"
* tag 'selinux-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: remove the sidtab context conversion indirect calls
selinux: increase the deprecation sleep for checkreqprot and runtime disable
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Merge tag 'audit-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"Two performance oriented patches for the audit subsystem: one
consolidates similar code to gain some caching advantages, while the
other stores a value in a stack variable to avoid repeated lookups in
a loop.
The commit descriptions have more information, including some
before/after performance measurements"
* tag 'audit-pr-20221212' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: unify audit_filter_{uring(), inode_name(), syscall()}
audit: cache ctx->major in audit_filter_syscall()
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Merge tag 'landlock-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"This adds file truncation support to Landlock, contributed by Günther
Noack. As described by Günther [1], the goal of these patches is to
work towards a more complete coverage of file system operations that
are restrictable with Landlock.
The known set of currently unsupported file system operations in
Landlock is described at [2]. Out of the operations listed there,
truncate is the only one that modifies file contents, so these patches
should make it possible to prevent the direct modification of file
contents with Landlock.
The new LANDLOCK_ACCESS_FS_TRUNCATE access right covers both the
truncate(2) and ftruncate(2) families of syscalls, as well as open(2)
with the O_TRUNC flag. This includes usages of creat() in the case
where existing regular files are overwritten.
Additionally, this introduces a new Landlock security blob associated
with opened files, to track the available Landlock access rights at
the time of opening the file. This is in line with Unix's general
approach of checking the read and write permissions during open(), and
associating this previously checked authorization with the opened
file. An ongoing patch documents this use case [3].
In order to treat truncate(2) and ftruncate(2) calls differently in an
LSM hook, we split apart the existing security_path_truncate hook into
security_path_truncate (for truncation by path) and
security_file_truncate (for truncation of previously opened files)"
Link: https://lore.kernel.org/r/20221018182216.301684-1-gnoack3000@gmail.com [1]
Link: https://www.kernel.org/doc/html/v6.1/userspace-api/landlock.html#filesystem-flags [2]
Link: https://lore.kernel.org/r/20221209193813.972012-1-mic@digikod.net [3]
* tag 'landlock-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
samples/landlock: Document best-effort approach for LANDLOCK_ACCESS_FS_REFER
landlock: Document Landlock's file truncation support
samples/landlock: Extend sample tool to support LANDLOCK_ACCESS_FS_TRUNCATE
selftests/landlock: Test ftruncate on FDs created by memfd_create(2)
selftests/landlock: Test FD passing from restricted to unrestricted processes
selftests/landlock: Locally define __maybe_unused
selftests/landlock: Test open() and ftruncate() in multiple scenarios
selftests/landlock: Test file truncation support
landlock: Support file truncation
landlock: Document init_layer_masks() helper
landlock: Refactor check_access_path_dual() into is_access_to_paths_allowed()
security: Create file_truncate hook from path_truncate hook
- fix a memory leak in configfs_create_dir (Chen Zhongjin)
- remove mentions of committable items that were implemented
(Bartosz Golaszewski)
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Merge tag 'configfs-6.2-2022-12-13' of git://git.infradead.org/users/hch/configfs
Pull configfs updates from Christoph Hellwig:
- fix a memory leak in configfs_create_dir (Chen Zhongjin)
- remove mentions of committable items that were implemented (Bartosz
Golaszewski)
* tag 'configfs-6.2-2022-12-13' of git://git.infradead.org/users/hch/configfs:
configfs: remove mentions of committable items
configfs: fix possible memory leak in configfs_create_dir()
Highlights include:
Bugfixes
- Fix a NULL pointer dereference in the mount parser
- Fix a memory stomp in decode_attr_security_label
- Fix a credential leak in _nfs4_discover_trunking()
- Fix a buffer leak in rpcrdma_req_create()
- Fix a leaked socket in rpc_sockname()
- Fix a deadlock between nfs4_open_recover_helper() and delegreturn
- Fix an Oops in nfs_d_automount()
- Fix a potential race in nfs_call_unlink()
- Multiple fixes for the open context mode
- NFSv4.2 READ_PLUS fixes
- Fix a regression in which small rsize/wsize values are being forbidden
- Fail client initialisation if the NFSv4.x state manager thread can't run
- avoid spurious warning of lost lock that is being unlocked.
- Ensure the initialisation of struct nfs4_label
Features and cleanups
- Trigger the "ls -l" readdir heuristic sooner
- Clear the file access cache upon login to ensure supplementary group
info is in sync between the client and server
- pnfs: Fix up the logging of layout stateids
- NFSv4.2: Change the default KConfig value for READ_PLUS
- Use sysfs_emit() instead of scnprintf() where appropriate
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Merge tag 'nfs-for-6.2-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust
"Bugfixes:
- Fix NULL pointer dereference in the mount parser
- Fix memory stomp in decode_attr_security_label
- Fix credential leak in _nfs4_discover_trunking()
- Fix buffer leak in rpcrdma_req_create()
- Fix leaked socket in rpc_sockname()
- Fix deadlock between nfs4_open_recover_helper() and delegreturn
- Fix an Oops in nfs_d_automount()
- Fix potential race in nfs_call_unlink()
- Multiple fixes for the open context mode
- NFSv4.2 READ_PLUS fixes
- Fix a regression in which small rsize/wsize values are being
forbidden
- Fail client initialisation if the NFSv4.x state manager thread
can't run
- Avoid spurious warning of lost lock that is being unlocked.
- Ensure the initialisation of struct nfs4_label
Features and cleanups:
- Trigger the "ls -l" readdir heuristic sooner
- Clear the file access cache upon login to ensure supplementary
group info is in sync between the client and server
- pnfs: Fix up the logging of layout stateids
- NFSv4.2: Change the default KConfig value for READ_PLUS
- Use sysfs_emit() instead of scnprintf() where appropriate"
* tag 'nfs-for-6.2-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (24 commits)
NFSv4.2: Change the default KConfig value for READ_PLUS
NFSv4.x: Fail client initialisation if state manager thread can't run
fs: nfs: sysfs: use sysfs_emit() to instead of scnprintf()
NFS: use sysfs_emit() to instead of scnprintf()
NFS: Allow very small rsize & wsize again
NFSv4.2: Fix up READ_PLUS alignment
NFSv4.2: Set the correct size scratch buffer for decoding READ_PLUS
SUNRPC: Fix missing release socket in rpc_sockname()
xprtrdma: Fix regbuf data not freed in rpcrdma_req_create()
NFS: avoid spurious warning of lost lock that is being unlocked.
nfs: fix possible null-ptr-deref when parsing param
NFSv4: check FMODE_EXEC from open context mode in nfs4_opendata_access()
NFS: make sure open context mode have FMODE_EXEC when file open for exec
NFS4.x/pnfs: Fix up logging of layout stateids
NFS: Fix a race in nfs_call_unlink()
NFS: Fix an Oops in nfs_d_automount()
NFSv4: Fix a deadlock between nfs4_open_recover_helper() and delegreturn
NFSv4: Fix a credential leak in _nfs4_discover_trunking()
NFS: Trigger the "ls -l" readdir heuristic sooner
NFSv4.2: Fix initialisation of struct nfs4_label
...
This release introduces support for the CB_RECALL_ANY operation.
NFSD can send this operation to request that clients return any
delegations they choose. The server uses this operation to handle
low memory scenarios or indicate to a client when that client has
reached the maximum number of delegations the server supports.
The NFSv4.2 READ_PLUS operation has been simplified temporarily
whilst support for sparse files in local filesystems and the VFS is
improved.
Two major data structure fixes appear in this release:
* The nfs4_file hash table is replaced with a resizable hash table
to reduce the latency of NFSv4 OPEN operations.
* Reference counting in the NFSD filecache has been hardened against
races.
In furtherance of removing support for NFSv2 in a subsequent kernel
release, a new Kconfig option enables server-side support for NFSv2
to be left out of a kernel build.
MAINTAINERS has been updated to indicate that changes to fs/exportfs
should go through the NFSD tree.
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Merge tag 'nfsd-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd updates from Chuck Lever:
"This release introduces support for the CB_RECALL_ANY operation. NFSD
can send this operation to request that clients return any delegations
they choose. The server uses this operation to handle low memory
scenarios or indicate to a client when that client has reached the
maximum number of delegations the server supports.
The NFSv4.2 READ_PLUS operation has been simplified temporarily whilst
support for sparse files in local filesystems and the VFS is improved.
Two major data structure fixes appear in this release:
- The nfs4_file hash table is replaced with a resizable hash table to
reduce the latency of NFSv4 OPEN operations.
- Reference counting in the NFSD filecache has been hardened against
races.
In furtherance of removing support for NFSv2 in a subsequent kernel
release, a new Kconfig option enables server-side support for NFSv2 to
be left out of a kernel build.
MAINTAINERS has been updated to indicate that changes to fs/exportfs
should go through the NFSD tree"
* tag 'nfsd-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (49 commits)
NFSD: Avoid clashing function prototypes
SUNRPC: Fix crasher in unwrap_integ_data()
SUNRPC: Make the svc_authenticate tracepoint conditional
NFSD: Use only RQ_DROPME to signal the need to drop a reply
SUNRPC: Clean up xdr_write_pages()
SUNRPC: Don't leak netobj memory when gss_read_proxy_verf() fails
NFSD: add CB_RECALL_ANY tracepoints
NFSD: add delegation reaper to react to low memory condition
NFSD: add support for sending CB_RECALL_ANY
NFSD: refactoring courtesy_client_reaper to a generic low memory shrinker
trace: Relocate event helper files
NFSD: pass range end to vfs_fsync_range() instead of count
lockd: fix file selection in nlmsvc_cancel_blocked
lockd: ensure we use the correct file descriptor when unlocking
lockd: set missing fl_flags field when retrieving args
NFSD: Use struct_size() helper in alloc_session()
nfsd: return error if nfs4_setacl fails
lockd: set other missing fields when unlocking files
NFSD: Add an nfsd_file_fsync tracepoint
sunrpc: svc: Remove an unused static function svc_ungetu32()
...
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Merge tag 'for-6.2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This round there are a lot of cleanups and moved code so the diffstat
looks huge, otherwise there are some nice performance improvements and
an update to raid56 reliability.
User visible features:
- raid56 reliability vs performance trade off:
- fix destructive RMW for raid5 data (raid6 still needs work): do
full checksum verification for all data during RMW cycle, this
should prevent rewriting potentially corrupted data without
notice
- stripes are cached in memory which should reduce the performance
impact but still can hurt some workloads
- checksums are verified after repair again
- this is the last option without introducing additional features
(write intent bitmap, journal, another tree), the extra checksum
read/verification was supposed to be avoided by the original
implementation exactly for performance reasons but that caused
all the reliability problems
- discard=async by default for devices that support it
- implement emergency flush reserve to avoid almost all unnecessary
transaction aborts due to ENOSPC in cases where there are too many
delayed refs or delayed allocation
- skip block group synchronization if there's no change in used
bytes, can reduce transaction commit count for some workloads
Performance improvements:
- fiemap and lseek:
- overall speedup due to skipping unnecessary or duplicate
searches (-40% run time)
- cache some data structures and sharedness of extents (-30% run
time)
- send:
- faster backref resolution when finding clones
- cached leaf to root mapping for faster backref walking
- improved clone/sharing detection
- overall run time improvements (-70%)
Core:
- module initialization converted to a table of function pointers run
in a sequence
- preparation for fscrypt, extend passing file names across calls,
dir item can store encryption status
- raid56 updates:
- more accurate error tracking of sectors within stripe
- simplify recovery path and remove dedicated endio worker kthread
- simplify scrub call paths
- refactoring to support the extra data checksum verification
during RMW cycle
- tree block parentness checks consolidated and done at metadata read
time
- improved error handling
- cleanups:
- move a lot of code for better synchronization between kernel and
user space sources, split big files
- enum cleanups
- GFP flag cleanups
- header file cleanups, prototypes, dependencies
- redundant parameter cleanups
- inline extent handling simplifications
- inode parameter conversion
- data structure cleanups, reductions, renames, merges"
* tag 'for-6.2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (249 commits)
btrfs: print transaction aborted messages with an error level
btrfs: sync some cleanups from progs into uapi/btrfs.h
btrfs: do not BUG_ON() on ENOMEM when dropping extent items for a range
btrfs: fix extent map use-after-free when handling missing device in read_one_chunk
btrfs: remove outdated logic from overwrite_item() and add assertion
btrfs: unify overwrite_item() and do_overwrite_item()
btrfs: replace strncpy() with strscpy()
btrfs: fix uninitialized variable in find_first_clear_extent_bit
btrfs: fix uninitialized parent in insert_state
btrfs: add might_sleep() annotations
btrfs: add stack helpers for a few btrfs items
btrfs: add nr_global_roots to the super block definition
btrfs: remove BTRFS_LEAF_DATA_OFFSET
btrfs: add helpers for manipulating leaf items and data
btrfs: add eb to btrfs_node_key_ptr_offset
btrfs: pass the extent buffer for the btrfs_item_nr helpers
btrfs: move the csum helpers into ctree.h
btrfs: move eb offset helpers into extent_io.h
btrfs: move file_extent_item helpers into file-item.h
btrfs: move leaf_data_end into ctree.c
...
These patches include the usual cleanups and minor fixes, the removal of
code that is no longer needed due to recent improvements, and
improvements to processing large volumes of messages during heavy
locking activity.
- Misc code cleanup.
- Fix a couple socket handling bugs: a double release on an error path
and a data-ready race in an accept loop.
- Remove code for resending dir-remove messages. This code is no longer
needed since the midcomms layer now ensures the messages are resent if
needed.
- Add tracepoints for dlm messages.
- Improve callback queueing by replacing the fixed array with a list.
- Simplify the handling of a remove message followed by a lookup
message by sending both without releasing a spinlock in between.
- Improve the concurrency of sending and receiving messages by holding
locks for a shorter time, and changing how workqueues are used.
- Remove old code for shutting down sockets, which is no longer needed
with the reliable connection handling that was recently added.
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Merge tag 'dlm-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"These patches include the usual cleanups and minor fixes, the removal
of code that is no longer needed due to recent improvements, and
improvements to processing large volumes of messages during heavy
locking activity.
Summary:
- Misc code cleanup
- Fix a couple of socket handling bugs: a double release on an error
path and a data-ready race in an accept loop
- Remove code for resending dir-remove messages. This code is no
longer needed since the midcomms layer now ensures the messages are
resent if needed
- Add tracepoints for dlm messages
- Improve callback queueing by replacing the fixed array with a list
- Simplify the handling of a remove message followed by a lookup
message by sending both without releasing a spinlock in between
- Improve the concurrency of sending and receiving messages by
holding locks for a shorter time, and changing how workqueues are
used
- Remove old code for shutting down sockets, which is no longer
needed with the reliable connection handling that was recently
added"
* tag 'dlm-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: (37 commits)
fs: dlm: fix building without lockdep
fs: dlm: parallelize lowcomms socket handling
fs: dlm: don't init error value
fs: dlm: use saved sk_error_report()
fs: dlm: use sock2con without checking null
fs: dlm: remove dlm_node_addrs lookup list
fs: dlm: don't put dlm_local_addrs on heap
fs: dlm: cleanup listen sock handling
fs: dlm: remove socket shutdown handling
fs: dlm: use listen sock as dlm running indicator
fs: dlm: use list_first_entry_or_null
fs: dlm: remove twice INIT_WORK
fs: dlm: add midcomms init/start functions
fs: dlm: add dst nodeid for msg tracing
fs: dlm: rename seq to h_seq for msg tracing
fs: dlm: rename DLM_IFL_NEED_SCHED to DLM_IFL_CB_PENDING
fs: dlm: ast do WARN_ON_ONCE() on hotpath
fs: dlm: drop lkb ref in bug case
fs: dlm: avoid false-positive checker warning
fs: dlm: use WARN_ON_ONCE() instead of WARN_ON()
...
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Merge tag 'jfs-6.2' of https://github.com/kleikamp/linux-shaggy
Pull jfs updates from David Kleikamp:
"Assorted JFS fixes for 6.2"
* tag 'jfs-6.2' of https://github.com/kleikamp/linux-shaggy:
jfs: makes diUnmount/diMount in jfs_mount_rw atomic
jfs: Fix a typo in function jfs_umount
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
jfs: Fix fortify moan in symlink
jfs: remove redundant assignments to ipaimap and ipaimap2
jfs: remove unused declarations for jfs
fs/jfs/jfs_xattr.h: Fix spelling typo in comment
MAINTAINERS: git://github -> https://github.com for kleikamp
fs/jfs: replace ternary operator with min_t()
fs: jfs: fix shift-out-of-bounds in dbAllocAG
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Merge tag 'fixes_for_v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull udf and ext2 fixes from Jan Kara:
- a couple of smaller cleanups and fixes for ext2
- fixes of a data corruption issues in udf when handling holes and
preallocation extents
- fixes and cleanups of several smaller issues in udf
- add maintainer entry for isofs
* tag 'fixes_for_v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Fix extending file within last block
udf: Discard preallocation before extending file with a hole
udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size
udf: Fix preallocation discarding at indirect extent boundary
udf: Increase UDF_MAX_READ_VERSION to 0x0260
fs/ext2: Fix code indentation
ext2: unbugger ext2_empty_dir()
udf: remove ->writepage
ext2: remove ->writepage
ext2: Don't flush page immediately for DIRSYNC directories
ext2: Fix some kernel-doc warnings
maintainers: Add ISOFS entry
udf: Avoid double brelse() in udf_rename()
fs: udf: Optimize udf_free_in_core_inode and udf_find_fileset function
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Merge tag 'fs.xattr.simple.noaudit.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull xattr audit fix from Seth Forshee:
"This is a single patch to remove auditing of the capability check in
simple_xattr_list().
This check is done to check whether trusted xattrs should be included
by listxattr(2). SELinux will normally log a denial when capable() is
called and the task's SELinux context doesn't have the corresponding
capability permission allowed, which can end up spamming the log.
Since a failed check here cannot be used to infer malicious intent,
auditing is of no real value, and it makes sense to stop auditing the
capability check"
* tag 'fs.xattr.simple.noaudit.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
fs: don't audit the capability check in simple_xattr_list()
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Merge tag 'fs.idmapped.squashfs.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull squashfs update from Seth Forshee:
"This is a simple patch to enable idmapped mounts for squashfs.
All functionality squashfs needs to support idmapped mounts is already
implemented in generic VFS code, so all that is needed is to set
FS_ALLOW_IDMAP in fs_flags"
* tag 'fs.idmapped.squashfs.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
squashfs: enable idmapped mounts
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Merge tag 'fuse-update-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse update from Miklos Szeredi:
- Allow some write requests to proceed in parallel
- Fix a performance problem with allow_sys_admin_access
- Add a special kind of invalidation that doesn't immediately purge
submounts
- On revalidation treat the target of rename(RENAME_NOREPLACE) the same
as open(O_EXCL)
- Use type safe helpers for some mnt_userns transformations
* tag 'fuse-update-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: Rearrange fuse_allow_current_process checks
fuse: allow non-extending parallel direct writes on the same file
fuse: remove the unneeded result variable
fuse: port to vfs{g,u}id_t and associated helpers
fuse: Remove user_ns check for FUSE_DEV_IOC_CLONE
fuse: always revalidate rename target dentry
fuse: add "expire only" mode to FUSE_NOTIFY_INVAL_ENTRY
fs/fuse: Replace kmap() with kmap_local_page()
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Merge tag 'ovl-update-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs update from Miklos Szeredi:
- Fix a couple of bugs found by syzbot
- Don't ingore some open flags set by fcntl(F_SETFL)
- Fix failure to create a hard link in certain cases
- Use type safe helpers for some mnt_userns transformations
- Improve performance of mount
- Misc cleanups
* tag 'ovl-update-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: Kconfig: Fix spelling mistake "undelying" -> "underlying"
ovl: use inode instead of dentry where possible
ovl: Add comment on upperredirect reassignment
ovl: use plain list filler in indexdir and workdir cleanup
ovl: do not reconnect upper index records in ovl_indexdir_cleanup()
ovl: fix comment typos
ovl: port to vfs{g,u}id_t and associated helpers
ovl: Use ovl mounter's fsuid and fsgid in ovl_link()
ovl: Use "buf" flexible array for memcpy() destination
ovl: update ->f_iocb_flags when ovl_change_flags() modifies ->f_flags
ovl: fix use inode directly in rcu-walk mode
- Enable large folios for iomap/fscache mode;
- Avoid sysfs warning due to mounting twice with the same fsid and
domain_id in fscache mode;
- Refine fscache interface among erofs, fscache, and cachefiles;
- Use kmap_local_page() only for metabuf;
- Fixes around crafted images found by syzbot;
- Minor cleanups and documentation updates.
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Merge tag 'erofs-for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, large folios are now enabled in the iomap/fscache mode
for uncompressed files first. In order to do that, we've also cleaned
up better interfaces between erofs and fscache, which are acked by
fscache/netfs folks and included in this pull request.
Other than that, there are random fixes around erofs over fscache and
crafted images by syzbot, minor cleanups and documentation updates.
Summary:
- Enable large folios for iomap/fscache mode
- Avoid sysfs warning due to mounting twice with the same fsid and
domain_id in fscache mode
- Refine fscache interface among erofs, fscache, and cachefiles
- Use kmap_local_page() only for metabuf
- Fixes around crafted images found by syzbot
- Minor cleanups and documentation updates"
* tag 'erofs-for-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: validate the extent length for uncompressed pclusters
erofs: fix missing unmap if z_erofs_get_extent_compressedlen() fails
erofs: Fix pcluster memleak when its block address is zero
erofs: use kmap_local_page() only for erofs_bread()
erofs: enable large folios for fscache mode
erofs: support large folios for fscache mode
erofs: switch to prepare_ondemand_read() in fscache mode
fscache,cachefiles: add prepare_ondemand_read() callback
erofs: clean up cached I/O strategies
erofs: update documentation
erofs: check the uniqueness of fsid in shared domain in advance
erofs: enable large folios for iomap mode
The main change this cycle is to stop using the PG_error flag to track
verity failures, and instead just track failures at the bio level. This
follows a similar fscrypt change that went into 6.1, and it is a step
towards freeing up PG_error for other uses.
There's also one other small cleanup.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fsverity updates from Eric Biggers:
"The main change this cycle is to stop using the PG_error flag to track
verity failures, and instead just track failures at the bio level.
This follows a similar fscrypt change that went into 6.1, and it is a
step towards freeing up PG_error for other uses.
There's also one other small cleanup"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fsverity: simplify fsverity_get_digest()
fsverity: stop using PG_error to track error status
This release adds SM4 encryption support, contributed by Tianjia Zhang.
SM4 is a Chinese block cipher that is an alternative to AES.
I recommend against using SM4, but (according to Tianjia) some people
are being required to use it. Since SM4 has been turning up in many
other places (crypto API, wireless, TLS, OpenSSL, ARMv8 CPUs, etc.), it
hasn't been very controversial, and some people have to use it, I don't
think it would be fair for me to reject this optional feature.
Besides the above, there are a couple cleanups.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"This release adds SM4 encryption support, contributed by Tianjia
Zhang. SM4 is a Chinese block cipher that is an alternative to AES.
I recommend against using SM4, but (according to Tianjia) some people
are being required to use it. Since SM4 has been turning up in many
other places (crypto API, wireless, TLS, OpenSSL, ARMv8 CPUs, etc.),
it hasn't been very controversial, and some people have to use it, I
don't think it would be fair for me to reject this optional feature.
Besides the above, there are a couple cleanups"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: add additional documentation for SM4 support
fscrypt: remove unused Speck definitions
fscrypt: Add SM4 XTS/CTS symmetric algorithm support
blk-crypto: Add support for SM4-XTS blk crypto mode
fscrypt: add comment for fscrypt_valid_enc_modes_v1()
fscrypt: pass super_block to fscrypt_put_master_key_activeref()
found by Syzbot and fuzzing. (Many of the bug fixes involve less-used
ext4 features such as fast_commit, inline_data and bigalloc.)
In addition, remove the writepage function for ext4, since the
medium-term plan is to remove ->writepage() entirely. (The VM doesn't
need or want writepage() for writeback, since it is fine with
->writepages() so long as ->migrate_folio() is implemented.)
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"A large number of cleanups and bug fixes, with many of the bug fixes
found by Syzbot and fuzzing. (Many of the bug fixes involve less-used
ext4 features such as fast_commit, inline_data and bigalloc)
In addition, remove the writepage function for ext4, since the
medium-term plan is to remove ->writepage() entirely. (The VM doesn't
need or want writepage() for writeback, since it is fine with
->writepages() so long as ->migrate_folio() is implemented)"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (58 commits)
ext4: fix reserved cluster accounting in __es_remove_extent()
ext4: fix inode leak in ext4_xattr_inode_create() on an error path
ext4: allocate extended attribute value in vmalloc area
ext4: avoid unaccounted block allocation when expanding inode
ext4: initialize quota before expanding inode in setproject ioctl
ext4: stop providing .writepage hook
mm: export buffer_migrate_folio_norefs()
ext4: switch to using write_cache_pages() for data=journal writeout
jbd2: switch jbd2_submit_inode_data() to use fs-provided hook for data writeout
ext4: switch to using ext4_do_writepages() for ordered data writeout
ext4: move percpu_rwsem protection into ext4_writepages()
ext4: provide ext4_do_writepages()
ext4: add support for writepages calls that cannot map blocks
ext4: drop pointless IO submission from ext4_bio_write_page()
ext4: remove nr_submitted from ext4_bio_write_page()
ext4: move keep_towrite handling to ext4_bio_write_page()
ext4: handle redirtying in ext4_bio_write_page()
ext4: fix kernel BUG in 'ext4_write_inline_data_end()'
ext4: make ext4_mb_initialize_context return void
ext4: fix deadlock due to mbcache entry corruption
...
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Merge tag 'fs.idmapped.mnt_idmap.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull idmapping updates from Christian Brauner:
"Last cycle we've already made the interaction with idmapped mounts
more robust and type safe by introducing the vfs{g,u}id_t type. This
cycle we concluded the conversion and removed the legacy helpers.
Currently we still pass around the plain namespace that was attached
to a mount. This is in general pretty convenient but it makes it easy
to conflate namespaces that are relevant on the filesystem - with
namespaces that are relevent on the mount level. Especially for
filesystem developers without detailed knowledge in this area this can
be a potential source for bugs.
Instead of passing the plain namespace we introduce a dedicated type
struct mnt_idmap and replace the pointer with a pointer to a struct
mnt_idmap. There are no semantic or size changes for the mount struct
caused by this.
We then start converting all places aware of idmapped mounts to rely
on struct mnt_idmap. Once the conversion is done all helpers down to
the really low-level make_vfs{g,u}id() and from_vfs{g,u}id() will take
a struct mnt_idmap argument instead of two namespace arguments. This
way it becomes impossible to conflate the two removing and thus
eliminating the possibility of any bugs. Fwiw, I fixed some issues in
that area a while ago in ntfs3 and ksmbd in the past. Afterwards only
low-level code can ultimately use the associated namespace for any
permission checks. Even most of the vfs can be completely obivious
about this ultimately and filesystems will never interact with it in
any form in the future.
A struct mnt_idmap currently encompasses a simple refcount and pointer
to the relevant namespace the mount is idmapped to. If a mount isn't
idmapped then it will point to a static nop_mnt_idmap and if it
doesn't that it is idmapped. As usual there are no allocations or
anything happening for non-idmapped mounts. Everthing is carefully
written to be a nop for non-idmapped mounts as has always been the
case.
If an idmapped mount is created a struct mnt_idmap is allocated and a
reference taken on the relevant namespace. Each mount that gets
idmapped or inherits the idmap simply bumps the reference count on
struct mnt_idmap. Just a reminder that we only allow a mount to change
it's idmapping a single time and only if it hasn't already been
attached to the filesystems and has no active writers.
The actual changes are fairly straightforward but this will have huge
benefits for maintenance and security in the long run even if it
causes some churn.
Note that this also makes it possible to extend struct mount_idmap in
the future. For example, it would be possible to place the namespace
pointer in an anonymous union together with an idmapping struct. This
would allow us to expose an api to userspace that would let it specify
idmappings directly instead of having to go through the detour of
setting up namespaces at all"
* tag 'fs.idmapped.mnt_idmap.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
acl: conver higher-level helpers to rely on mnt_idmap
fs: introduce dedicated idmap type for mounts
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Merge tag 'fs.vfsuid.conversion.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull vfsuid updates from Christian Brauner:
"Last cycle we introduced the vfs{g,u}id_t types and associated helpers
to gain type safety when dealing with idmapped mounts. That initial
work already converted a lot of places over but there were still some
left,
This converts all remaining places that still make use of non-type
safe idmapping helpers to rely on the new type safe vfs{g,u}id based
helpers.
Afterwards it removes all the old non-type safe helpers"
* tag 'fs.vfsuid.conversion.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
fs: remove unused idmapping helpers
ovl: port to vfs{g,u}id_t and associated helpers
fuse: port to vfs{g,u}id_t and associated helpers
ima: use type safe idmapping helpers
apparmor: use type safe idmapping helpers
caps: use type safe idmapping helpers
fs: use type safe idmapping helpers
mnt_idmapping: add missing helpers
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Merge tag 'fs.ovl.setgid.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull setgid inheritance updates from Christian Brauner:
"This contains the work to make setgid inheritance consistent between
modifying a file and when changing ownership or mode as this has been
a repeated source of very subtle bugs. The gist is that we perform the
same permission checks in the write path as we do in the ownership and
mode changing paths after this series where we're currently doing
different things.
We've already made setgid inheritance a lot more consistent and
reliable in the last releases by moving setgid stripping from the
individual filesystems up into the vfs. This aims to make the logic
even more consistent and easier to understand and also to fix
long-standing overlayfs setgid inheritance bugs. Miklos was nice
enough to just let me carry the trivial overlayfs patches from Amir
too.
Below is a more detailed explanation how the current difference in
setgid handling lead to very subtle bugs exemplified via overlayfs
which is a victim of the current rules. I hope this explains why I
think taking the regression risk here is worth it.
A long while ago I found a few setgid inheritance bugs in overlayfs in
the write path in certain conditions. Amir recently picked this back
up in [1] and I jumped on board to fix this more generally.
On the surface all that overlayfs would need to fix setgid inheritance
would be to call file_remove_privs() or file_modified() but actually
that isn't enough because the setgid inheritance api is wildly
inconsistent in that area.
Before this pr setgid stripping in file_remove_privs()'s old
should_remove_suid() helper was inconsistent with other parts of the
vfs. Specifically, it only raises ATTR_KILL_SGID if the inode is
S_ISGID and S_IXGRP but not if the inode isn't in the caller's groups
and the caller isn't privileged over the inode although we require
this already in setattr_prepare() and setattr_copy() and so all
filesystem implement this requirement implicitly because they have to
use setattr_{prepare,copy}() anyway.
But the inconsistency shows up in setgid stripping bugs for overlayfs
in xfstests (e.g., generic/673, generic/683, generic/685, generic/686,
generic/687). For example, we test whether suid and setgid stripping
works correctly when performing various write-like operations as an
unprivileged user (fallocate, reflink, write, etc.):
echo "Test 1 - qa_user, non-exec file $verb"
setup_testfile
chmod a+rws $junk_file
commit_and_check "$qa_user" "$verb" 64k 64k
The test basically creates a file with 6666 permissions. While the
file has the S_ISUID and S_ISGID bits set it does not have the S_IXGRP
set.
On a regular filesystem like xfs what will happen is:
sys_fallocate()
-> vfs_fallocate()
-> xfs_file_fallocate()
-> file_modified()
-> __file_remove_privs()
-> dentry_needs_remove_privs()
-> should_remove_suid()
-> __remove_privs()
newattrs.ia_valid = ATTR_FORCE | kill;
-> notify_change()
-> setattr_copy()
In should_remove_suid() we can see that ATTR_KILL_SUID is raised
unconditionally because the file in the test has S_ISUID set.
But we also see that ATTR_KILL_SGID won't be set because while the
file is S_ISGID it is not S_IXGRP (see above) which is a condition for
ATTR_KILL_SGID being raised.
So by the time we call notify_change() we have attr->ia_valid set to
ATTR_KILL_SUID | ATTR_FORCE.
Now notify_change() sees that ATTR_KILL_SUID is set and does:
ia_valid = attr->ia_valid |= ATTR_MODE
attr->ia_mode = (inode->i_mode & ~S_ISUID);
which means that when we call setattr_copy() later we will definitely
update inode->i_mode. Note that attr->ia_mode still contains S_ISGID.
Now we call into the filesystem's ->setattr() inode operation which
will end up calling setattr_copy(). Since ATTR_MODE is set we will
hit:
if (ia_valid & ATTR_MODE) {
umode_t mode = attr->ia_mode;
vfsgid_t vfsgid = i_gid_into_vfsgid(mnt_userns, inode);
if (!vfsgid_in_group_p(vfsgid) &&
!capable_wrt_inode_uidgid(mnt_userns, inode, CAP_FSETID))
mode &= ~S_ISGID;
inode->i_mode = mode;
}
and since the caller in the test is neither capable nor in the group
of the inode the S_ISGID bit is stripped.
But assume the file isn't suid then ATTR_KILL_SUID won't be raised
which has the consequence that neither the setgid nor the suid bits
are stripped even though it should be stripped because the inode isn't
in the caller's groups and the caller isn't privileged over the inode.
If overlayfs is in the mix things become a bit more complicated and
the bug shows up more clearly.
When e.g., ovl_setattr() is hit from ovl_fallocate()'s call to
file_remove_privs() then ATTR_KILL_SUID and ATTR_KILL_SGID might be
raised but because the check in notify_change() is questioning the
ATTR_KILL_SGID flag again by requiring S_IXGRP for it to be stripped
the S_ISGID bit isn't removed even though it should be stripped:
sys_fallocate()
-> vfs_fallocate()
-> ovl_fallocate()
-> file_remove_privs()
-> dentry_needs_remove_privs()
-> should_remove_suid()
-> __remove_privs()
newattrs.ia_valid = ATTR_FORCE | kill;
-> notify_change()
-> ovl_setattr()
/* TAKE ON MOUNTER'S CREDS */
-> ovl_do_notify_change()
-> notify_change()
/* GIVE UP MOUNTER'S CREDS */
/* TAKE ON MOUNTER'S CREDS */
-> vfs_fallocate()
-> xfs_file_fallocate()
-> file_modified()
-> __file_remove_privs()
-> dentry_needs_remove_privs()
-> should_remove_suid()
-> __remove_privs()
newattrs.ia_valid = attr_force | kill;
-> notify_change()
The fix for all of this is to make file_remove_privs()'s
should_remove_suid() helper perform the same checks as we already
require in setattr_prepare() and setattr_copy() and have
notify_change() not pointlessly requiring S_IXGRP again. It doesn't
make any sense in the first place because the caller must calculate
the flags via should_remove_suid() anyway which would raise
ATTR_KILL_SGID
Note that some xfstests will now fail as these patches will cause the
setgid bit to be lost in certain conditions for unprivileged users
modifying a setgid file when they would've been kept otherwise. I
think this risk is worth taking and I explained and mentioned this
multiple times on the list [2].
Enforcing the rules consistently across write operations and
chmod/chown will lead to losing the setgid bit in cases were it
might've been retained before.
While I've mentioned this a few times but it's worth repeating just to
make sure that this is understood. For the sake of maintainability,
consistency, and security this is a risk worth taking.
If we really see regressions for workloads the fix is to have special
setgid handling in the write path again with different semantics from
chmod/chown and possibly additional duct tape for overlayfs. I'll
update the relevant xfstests with if you should decide to merge this
second setgid cleanup.
Before that people should be aware that there might be failures for
fstests where unprivileged users modify a setgid file"
Link: https://lore.kernel.org/linux-fsdevel/20221003123040.900827-1-amir73il@gmail.com [1]
Link: https://lore.kernel.org/linux-fsdevel/20221122142010.zchf2jz2oymx55qi@wittgenstein [2]
* tag 'fs.ovl.setgid.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping:
fs: use consistent setgid checks in is_sxid()
ovl: remove privs in ovl_fallocate()
ovl: remove privs in ovl_copyfile()
attr: use consistent sgid stripping checks
attr: add setattr_should_drop_sgid()
fs: move should_remove_suid()
attr: add in_group_or_capable()
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Merge tag 'fs.acl.rework.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping
Pull VFS acl updates from Christian Brauner:
"This contains the work that builds a dedicated vfs posix acl api.
The origins of this work trace back to v5.19 but it took quite a while
to understand the various filesystem specific implementations in
sufficient detail and also come up with an acceptable solution.
As we discussed and seen multiple times the current state of how posix
acls are handled isn't nice and comes with a lot of problems: The
current way of handling posix acls via the generic xattr api is error
prone, hard to maintain, and type unsafe for the vfs until we call
into the filesystem's dedicated get and set inode operations.
It is already the case that posix acls are special-cased to death all
the way through the vfs. There are an uncounted number of hacks that
operate on the uapi posix acl struct instead of the dedicated vfs
struct posix_acl. And the vfs must be involved in order to interpret
and fixup posix acls before storing them to the backing store, caching
them, reporting them to userspace, or for permission checking.
Currently a range of hacks and duct tape exist to make this work. As
with most things this is really no ones fault it's just something that
happened over time. But the code is hard to understand and difficult
to maintain and one is constantly at risk of introducing bugs and
regressions when having to touch it.
Instead of continuing to hack posix acls through the xattr handlers
this series builds a dedicated posix acl api solely around the get and
set inode operations.
Going forward, the vfs_get_acl(), vfs_remove_acl(), and vfs_set_acl()
helpers must be used in order to interact with posix acls. They
operate directly on the vfs internal struct posix_acl instead of
abusing the uapi posix acl struct as we currently do. In the end this
removes all of the hackiness, makes the codepaths easier to maintain,
and gets us type safety.
This series passes the LTP and xfstests suites without any
regressions. For xfstests the following combinations were tested:
- xfs
- ext4
- btrfs
- overlayfs
- overlayfs on top of idmapped mounts
- orangefs
- (limited) cifs
There's more simplifications for posix acls that we can make in the
future if the basic api has made it.
A few implementation details:
- The series makes sure to retain exactly the same security and
integrity module permission checks. Especially for the integrity
modules this api is a win because right now they convert the uapi
posix acl struct passed to them via a void pointer into the vfs
struct posix_acl format to perform permission checking on the mode.
There's a new dedicated security hook for setting posix acls which
passes the vfs struct posix_acl not a void pointer. Basing checking
on the posix acl stored in the uapi format is really unreliable.
The vfs currently hacks around directly in the uapi struct storing
values that frankly the security and integrity modules can't
correctly interpret as evidenced by bugs we reported and fixed in
this area. It's not necessarily even their fault it's just that the
format we provide to them is sub optimal.
- Some filesystems like 9p and cifs need access to the dentry in
order to get and set posix acls which is why they either only
partially or not even at all implement get and set inode
operations. For example, cifs allows setxattr() and getxattr()
operations but doesn't allow permission checking based on posix
acls because it can't implement a get acl inode operation.
Thus, this patch series updates the set acl inode operation to take
a dentry instead of an inode argument. However, for the get acl
inode operation we can't do this as the old get acl method is
called in e.g., generic_permission() and inode_permission(). These
helpers in turn are called in various filesystem's permission inode
operation. So passing a dentry argument to the old get acl inode
operation would amount to passing a dentry to the permission inode
operation which we shouldn't and probably can't do.
So instead of extending the existing inode operation Christoph
suggested to add a new one. He also requested to ensure that the
get and set acl inode operation taking a dentry are consistently
named. So for this version the old get acl operation is renamed to
->get_inode_acl() and a new ->get_acl() inode operation taking a
dentry is added. With this we can give both 9p and cifs get and set
acl inode operations and in turn remove their complex custom posix
xattr handlers.
In the future I hope to get rid of the inode method duplication but
it isn't like we have never had this situation. Readdir is just one
example. And frankly, the overall gain in type safety and the more
pleasant api wise are simply too big of a benefit to not accept
this duplication for a while.
- We've done a full audit of every codepaths using variant of the
current generic xattr api to get and set posix acls and
surprisingly it isn't that many places. There's of course always a
chance that we might have missed some and if so I'm sure we'll find
them soon enough.
The crucial codepaths to be converted are obviously stacking
filesystems such as ecryptfs and overlayfs.
For a list of all callers currently using generic xattr api helpers
see [2] including comments whether they support posix acls or not.
- The old vfs generic posix acl infrastructure doesn't obey the
create and replace semantics promised on the setxattr(2) manpage.
This patch series doesn't address this. It really is something we
should revisit later though.
The patches are roughly organized as follows:
(1) Change existing set acl inode operation to take a dentry
argument (Intended to be a non-functional change)
(2) Rename existing get acl method (Intended to be a non-functional
change)
(3) Implement get and set acl inode operations for filesystems that
couldn't implement one before because of the missing dentry.
That's mostly 9p and cifs (Intended to be a non-functional
change)
(4) Build posix acl api, i.e., add vfs_get_acl(), vfs_remove_acl(),
and vfs_set_acl() including security and integrity hooks
(Intended to be a non-functional change)
(5) Implement get and set acl inode operations for stacking
filesystems (Intended to be a non-functional change)
(6) Switch posix acl handling in stacking filesystems to new posix
acl api now that all filesystems it can stack upon support it.
(7) Switch vfs to new posix acl api (semantical change)
(8) Remove all now unused helpers
(9) Additional regression fixes reported after we merged this into
linux-next
Thanks to Seth for a lot of good discussion around this and
encouragement and input from Christoph"
* tag 'fs.acl.rework.v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping: (36 commits)
posix_acl: Fix the type of sentinel in get_acl
orangefs: fix mode handling
ovl: call posix_acl_release() after error checking
evm: remove dead code in evm_inode_set_acl()
cifs: check whether acl is valid early
acl: make vfs_posix_acl_to_xattr() static
acl: remove a slew of now unused helpers
9p: use stub posix acl handlers
cifs: use stub posix acl handlers
ovl: use stub posix acl handlers
ecryptfs: use stub posix acl handlers
evm: remove evm_xattr_acl_change()
xattr: use posix acl api
ovl: use posix acl api
ovl: implement set acl method
ovl: implement get acl method
ecryptfs: implement set acl method
ecryptfs: implement get acl method
ksmbd: use vfs_remove_acl()
acl: add vfs_remove_acl()
...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"misc pile"
* tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: sysv: Fix sysv_nblocks() returns wrong value
get rid of INT_LIMIT, use type_max() instead
btrfs: replace INT_LIMIT(loff_t) with OFFSET_MAX
fs: simplify vfs_get_super
fs: drop useless condition from inode_needs_update_time
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull namespace fix from Al Viro:
"Fix weird corner case in copy_mnt_ns()"
* tag 'pull-namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
copy_mnt_ns(): handle a corner case (overmounted mntns bindings) saner
direction misannotations and (hopefully) preventing
more of the same for the future.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull iov_iter updates from Al Viro:
"iov_iter work; most of that is about getting rid of direction
misannotations and (hopefully) preventing more of the same for the
future"
* tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
use less confusing names for iov_iter direction initializers
iov_iter: saner checks for attempt to copy to/from iterator
[xen] fix "direction" argument of iov_iter_kvec()
[vhost] fix 'direction' argument of iov_iter_{init,bvec}()
[target] fix iov_iter_bvec() "direction" argument
[s390] memcpy_real(): WRITE is "data source", not destination...
[s390] zcore: WRITE is "data source", not destination...
[infiniband] READ is "data destination", not source...
[fsi] WRITE is "data source", not destination...
[s390] copy_oldmem_kernel() - WRITE is "data source", not destination
csum_and_copy_to_iter(): handle ITER_DISCARD
get rid of unlikely() on page_copy_sane() calls
switching stuff - this pile is just the straightforward stuff.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull alpha updates from Al Viro:
"Alpha architecture cleanups and fixes.
One thing *not* included is lazy FPU switching stuff - this pile is
just the straightforward stuff"
* tag 'pull-alpha' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
alpha: ret_from_fork can go straight to ret_to_user
alpha: syscall exit cleanup
alpha: fix handling of a3 on straced syscalls
alpha: fix syscall entry in !AUDUT_SYSCALL case
alpha: _TIF_ALLWORK_MASK is unused
alpha: fix TIF_NOTIFY_SIGNAL handling
handling. Collecting per-thread register values is the
only thing that needs to be ifdefed there...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-elfcore' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull elf coredumping updates from Al Viro:
"Unification of regset and non-regset sides of ELF coredump handling.
Collecting per-thread register values is the only thing that needs to
be ifdefed there..."
* tag 'pull-elfcore' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
[elf] get rid of get_note_info_size()
[elf] unify regset and non-regset cases
[elf][non-regset] use elf_core_copy_task_regs() for dumper as well
[elf][non-regset] uninline elf_core_copy_task_fpregs() (and lose pt_regs argument)
elf_core_copy_task_regs(): task_pt_regs is defined everywhere
[elf][regset] simplify thread list handling in fill_note_info()
[elf][regset] clean fill_note_info() a bit
kill extern of vsyscall32_sysctl
kill coredump_params->regs
kill signal_pt_regs()
- A ptrace API cleanup series from Sergey Shtylyov
- Fixes and cleanups for kexec from ye xingchen
- nilfs2 updates from Ryusuke Konishi
- squashfs feature work from Xiaoming Ni: permit configuration of the
filesystem's compression concurrency from the mount command line.
- A series from Akinobu Mita which addresses bound checking errors when
writing to debugfs files.
- A series from Yang Yingliang to address rapido memory leaks
- A series from Zheng Yejian to address possible overflow errors in
encode_comp_t().
- And a whole shower of singleton patches all over the place.
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Merge tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
- A ptrace API cleanup series from Sergey Shtylyov
- Fixes and cleanups for kexec from ye xingchen
- nilfs2 updates from Ryusuke Konishi
- squashfs feature work from Xiaoming Ni: permit configuration of the
filesystem's compression concurrency from the mount command line
- A series from Akinobu Mita which addresses bound checking errors when
writing to debugfs files
- A series from Yang Yingliang to address rapidio memory leaks
- A series from Zheng Yejian to address possible overflow errors in
encode_comp_t()
- And a whole shower of singleton patches all over the place
* tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (79 commits)
ipc: fix memory leak in init_mqueue_fs()
hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
rapidio: devices: fix missing put_device in mport_cdev_open
kcov: fix spelling typos in comments
hfs: Fix OOB Write in hfs_asc2mac
hfs: fix OOB Read in __hfs_brec_find
relay: fix type mismatch when allocating memory in relay_create_buf()
ocfs2: always read both high and low parts of dinode link count
io-mapping: move some code within the include guarded section
kernel: kcsan: kcsan_test: build without structleak plugin
mailmap: update email for Iskren Chernev
eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD
rapidio: fix possible UAF when kfifo_alloc() fails
relay: use strscpy() is more robust and safer
cpumask: limit visibility of FORCE_NR_CPUS
acct: fix potential integer overflow in encode_comp_t()
acct: fix accuracy loss for input value of encode_comp_t()
linux/init.h: include <linux/build_bug.h> and <linux/stringify.h>
rapidio: rio: fix possible name leak in rio_register_mport()
rapidio: fix possible name leaks when rio_add_device() fails
...
- The beginnings of a set of translations into Spanish, headed up by Carlos
Bilbao.
- More Chinese translations.
- A change to the Sphinx "alabaster" theme by default for HTML generation.
Unlike the previous default (Read the Docs), alabaster is shipped with
Sphinx by default, reducing the number of other dependencies that need to
be installed. It also (IMO) produces a cleaner and more readable result.
- The ability to render the documentation into the texinfo format
(something Sphinx could always do, we just never wired it up until now).
Plus the usual collection of typo fixes, build-warning fixes, and minor
updates.
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Merge tag 'docs-6.2' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This was a not-too-busy cycle for documentation; highlights include:
- The beginnings of a set of translations into Spanish, headed up by
Carlos Bilbao
- More Chinese translations
- A change to the Sphinx "alabaster" theme by default for HTML
generation.
Unlike the previous default (Read the Docs), alabaster is shipped
with Sphinx by default, reducing the number of other dependencies
that need to be installed. It also (IMO) produces a cleaner and
more readable result.
- The ability to render the documentation into the texinfo format
(something Sphinx could always do, we just never wired it up until
now)
Plus the usual collection of typo fixes, build-warning fixes, and
minor updates"
* tag 'docs-6.2' of git://git.lwn.net/linux: (67 commits)
Documentation/features: Use loongarch instead of loong
Documentation/features-refresh.sh: Only sed the beginning "arch" of ARCH_DIR
docs/zh_CN: Fix '.. only::' directive's expression
docs/sp_SP: Add memory-barriers.txt Spanish translation
docs/zh_CN/LoongArch: Update links of LoongArch ISA Vol1 and ELF psABI
docs/LoongArch: Update links of LoongArch ISA Vol1 and ELF psABI
Documentation/features: Update feature lists for 6.1
Documentation: Fixed a typo in bootconfig.rst
docs/sp_SP: Add process coding-style translation
docs/sp_SP: Add kernel-docs.rst Spanish translation
docs: Create translations/sp_SP/process/, move submitting-patches.rst
docs: Add book to process/kernel-docs.rst
docs: Retire old resources from kernel-docs.rst
docs: Update maintainer of kernel-docs.rst
Documentation: riscv: Document the sv57 VM layout
Documentation: USB: correct possessive "its" usage
math64: fix kernel-doc return value warnings
math64: add kernel-doc for DIV64_U64_ROUND_UP
math64: favor kernel-doc from header files
doc: add texinfodocs and infodocs targets
...
The first set of changes after the merge, the major ones being:
- String and formatting: new types `CString`, `CStr`, `BStr` and
`Formatter`; new macros `c_str!`, `b_str!` and `fmt!`.
- Errors: the rest of the error codes from `errno-base.h`, as well as
some `From` trait implementations for the `Error` type.
- Printing: the rest of the `pr_*!` levels and the continuation one
`pr_cont!`, as well as a new sample.
- `alloc` crate: new constructors `try_with_capacity()` and
`try_with_capacity_in()` for `RawVec` and `Vec`.
- Procedural macros: new macros `#[vtable]` and `concat_idents!`, as
well as better ergonomics for `module!` users.
- Asserting: new macros `static_assert!`, `build_error!` and
`build_assert!`, as well as a new crate `build_error` to support them.
- Vocabulary types: new types `Opaque` and `Either`.
- Debugging: new macro `dbg!`.
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Merge tag 'rust-6.2' of https://github.com/Rust-for-Linux/linux
Pull rust updates from Miguel Ojeda:
"The first set of changes after the merge, the major ones being:
- String and formatting: new types 'CString', 'CStr', 'BStr' and
'Formatter'; new macros 'c_str!', 'b_str!' and 'fmt!'.
- Errors: the rest of the error codes from 'errno-base.h', as well as
some 'From' trait implementations for the 'Error' type.
- Printing: the rest of the 'pr_*!' levels and the continuation one
'pr_cont!', as well as a new sample.
- 'alloc' crate: new constructors 'try_with_capacity()' and
'try_with_capacity_in()' for 'RawVec' and 'Vec'.
- Procedural macros: new macros '#[vtable]' and 'concat_idents!', as
well as better ergonomics for 'module!' users.
- Asserting: new macros 'static_assert!', 'build_error!' and
'build_assert!', as well as a new crate 'build_error' to support
them.
- Vocabulary types: new types 'Opaque' and 'Either'.
- Debugging: new macro 'dbg!'"
* tag 'rust-6.2' of https://github.com/Rust-for-Linux/linux: (28 commits)
rust: types: add `Opaque` type
rust: types: add `Either` type
rust: build_assert: add `build_{error,assert}!` macros
rust: add `build_error` crate
rust: static_assert: add `static_assert!` macro
rust: std_vendor: add `dbg!` macro based on `std`'s one
rust: str: add `fmt!` macro
rust: str: add `CString` type
rust: str: add `Formatter` type
rust: str: add `c_str!` macro
rust: str: add `CStr` unit tests
rust: str: implement several traits for `CStr`
rust: str: add `CStr` type
rust: str: add `b_str!` macro
rust: str: add `BStr` type
rust: alloc: add `Vec::try_with_capacity{,_in}()` constructors
rust: alloc: add `RawVec::try_with_capacity_in()` constructor
rust: prelude: add `error::code::*` constant items
rust: error: add `From` implementations for `Error`
rust: error: add codes from `errno-base.h`
...
- New tool "rv" for starting and stopping runtime verification:
example: ./rv mon wip -r printk -v
Enables the wake-in-preempt monitor and the printk reactor in verbose mode
- Fix exit status of rtla usage() calls
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Merge tag 'trace-tools-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tools updates from Steven Rostedt:
- New tool "rv" for starting and stopping runtime verification.
Example:
./rv mon wip -r printk -v
Enables the wake-in-preempt monitor and the printk reactor in verbose
mode
- Fix exit status of rtla usage() calls
* tag 'trace-tools-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
Documentation/rv: Add verification/rv man pages
tools/rv: Add in-kernel monitor interface
rv: Add rv tool
rtla: Fix exit status when returning from calls to usage()
- Fix minconfig test to unset the config and not relying on
olddefconfig to do it, as some configs are set to default y
- Fix reading grub2 menus for handling submenus
- Add new ${shell <cmd>} to execute shell commands that will be useful
for setting variables like: HOSTNAME := ${shell hostname}
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Merge tag 'ktest-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest updates from Steven Rostedt:
- Fix minconfig test to unset the config and not relying on
olddefconfig to do it, as some configs are set to default y
- Fix reading grub2 menus for handling submenus
- Add new ${shell <cmd>} to execute shell commands that will be useful
for setting variables like: HOSTNAME := ${shell hostname}
* tag 'ktest-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest.pl: Add shell commands to variables
kest.pl: Fix grub2 menu handling for rebooting
ktest.pl minconfig: Unset configs instead of just removing them
This KUnit next update for Linux 6.2-rc1 consists of several enhancements,
fixes, clean-ups, documentation updates, improvements to logging and KTAP
compliance of KUnit test output:
- log numbers in decimal and hex
- parse KTAP compliant test output
- allow conditionally exposing static symbols to tests
when KUNIT is enabled
- make static symbols visible during kunit testing
- clean-ups to remove unused structure definition
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Merge tag 'linux-kselftest-kunit-next-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan:
"Several enhancements, fixes, clean-ups, documentation updates,
improvements to logging and KTAP compliance of KUnit test output:
- log numbers in decimal and hex
- parse KTAP compliant test output
- allow conditionally exposing static symbols to tests when KUNIT is
enabled
- make static symbols visible during kunit testing
- clean-ups to remove unused structure definition"
* tag 'linux-kselftest-kunit-next-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
Documentation: dev-tools: Clarify requirements for result description
apparmor: test: make static symbols visible during kunit testing
kunit: add macro to allow conditionally exposing static symbols to tests
kunit: tool: make parser preserve whitespace when printing test log
Documentation: kunit: Fix "How Do I Use This" / "Next Steps" sections
kunit: tool: don't include KTAP headers and the like in the test log
kunit: improve KTAP compliance of KUnit test output
kunit: tool: parse KTAP compliant test output
mm: slub: test: Use the kunit_get_current_test() function
kunit: Use the static key when retrieving the current test
kunit: Provide a static key to check if KUnit is actively running tests
kunit: tool: make --json do nothing if --raw_ouput is set
kunit: tool: tweak error message when no KTAP found
kunit: remove KUNIT_INIT_MEM_ASSERTION macro
Documentation: kunit: Remove redundant 'tips.rst' page
Documentation: KUnit: reword description of assertions
Documentation: KUnit: make usage.rst a superset of tips.rst, remove duplication
kunit: eliminate KUNIT_INIT_*_ASSERT_STRUCT macros
kunit: tool: remove redundant file.close() call in unit test
kunit: tool: unit tests all check parser errors, standardize formatting a bit
...
Linus Torvalds