5f5e6a3e8b
990097 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Takashi Iwai
|
5f5e6a3e8b |
ALSA: usb-audio: Allow modifying parameters with succeeding hw_params calls
The recent fix for the hw constraints for implicit feedback streams via commit |
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Takashi Iwai
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21cba9c535 |
ALSA: usb-audio: Drop bogus dB range in too low level
Some USB audio firmware seem to report broken dB values for the volume controls, and this screws up applications like PulseAudio who blindly trusts the given data. For example, Edifier G2000 reports a PCM volume from -128dB to -127dB, and this results in barely inaudible sound. This patch adds a sort of sanity check at parsing the dB values in USB-audio driver and disables the dB reporting if the range looks bogus. Here, we assume -96dB as the bottom line of the max dB. Note that, if one can figure out that proper dB range later, it can be patched in the mixer maps. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211929 Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20210227105737.3656-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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Takashi Iwai
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dcf269b3f7 |
ALSA: usb-audio: Don't abort even if the clock rate differs
The commit |
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Wei Yongjun
|
c88fb897c1 |
ALSA: n64: Fix return value check in n64audio_probe()
In case of error, the function devm_platform_ioremap_resource()
returns ERR_PTR() and never returns NULL. The NULL test in the
return value check should be replaced with IS_ERR().
Fixes:
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Linus Torvalds
|
10e2ec8ede |
sound updates for 5.12
A relatively calm release at this time, and no massive code changes
are found in the stats, while a wide range of code refactoring and
cleanup have been done.
Note that this update includes the tree-wide trivial changes for
dropping the return value from ISA remove callbacks, too.
Below lists up some highlight:
* ALSA Core:
- Support for the software jack injection via debugfs
- Fixes for sync_stop PCM operations
* HD-audio and USB-audio:
- A few usual HD-audio device quirks
- Updates for Tegra HD-audio
- More quirks for Pioneer and other USB-audio devices
- Stricter state checks at USB-audio disconnection
* ASoC:
- Continued code refactoring, cleanup and fixes in ASoC core API
- A KUnit testsuite for the topology code
- Lots of ASoC Intel driver Realtek codec updates, quirk additions and
fixes
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers
* Others:
- Drop return value from ISA driver remove callback
- Cleanup with DIV_ROUND_UP() macro
- FireWire updates, HDSP output loopback support
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Merge tag 'sound-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"A relatively calm release at this time, and no massive code changes
are found in the stats, while a wide range of code refactoring and
cleanup have been done.
Note that this update includes the tree-wide trivial changes for
dropping the return value from ISA remove callbacks, too.
Below lists up some highlight:
ALSA Core:
- Support for the software jack injection via debugfs
- Fixes for sync_stop PCM operations
HD-audio and USB-audio:
- A few usual HD-audio device quirks
- Updates for Tegra HD-audio
- More quirks for Pioneer and other USB-audio devices
- Stricter state checks at USB-audio disconnection
ASoC:
- Continued code refactoring, cleanup and fixes in ASoC core API
- A KUnit testsuite for the topology code
- Lots of ASoC Intel driver Realtek codec updates, quirk additions
and fixes
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers
Others:
- Drop return value from ISA driver remove callback
- Cleanup with DIV_ROUND_UP() macro
- FireWire updates, HDSP output loopback support"
* tag 'sound-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (322 commits)
ALSA: hda: intel-dsp-config: add Alder Lake support
ASoC: soc-pcm: fix hw param limits calculation for multi-DAI
ASoC: Intel: bytcr_rt5640: Add quirk for the Acer One S1002 tablet
ASoC: Intel: bytcr_rt5651: Add quirk for the Jumper EZpad 7 tablet
ASoC: Intel: bytcr_rt5640: Add quirk for the Voyo Winpad A15 tablet
ASoC: Intel: bytcr_rt5640: Add quirk for the Estar Beauty HD MID 7316R tablet
ASoC: soc-pcm: fix hwparams min/max init for dpcm
ALSA: hda/realtek: Quirk for HP Spectre x360 14 amp setup
ALSA: usb-audio: Add implicit fb quirk for BOSS GP-10
ALSA: hda: Add another CometLake-H PCI ID
ASoC: soc-pcm: add soc_pcm_hw_update_format()
ASoC: soc-pcm: add soc_pcm_hw_update_chan()
ASoC: soc-pcm: add soc_pcm_hw_update_rate()
ASoC: wm_adsp: Remove unused control callback structure
ASoC: SOF: relax ABI checks and avoid unnecessary warnings
ASoC: codecs: lpass-tx-macro: add dapm widgets and route
ASoC: codecs: lpass-tx-macro: add support for lpass tx macro
ASoC: qcom: dt-bindings: add bindings for lpass tx macro codec
ASoC: codecs: lpass-rx-macro: add iir widgets
ASoC: codecs: lpass-rx-macro: add dapm widgets and route
...
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Linus Torvalds
|
de16175788 |
media updates for v5.12-rc1
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Linus Torvalds
|
66f73fb3fa |
This pull request contains changes (actually just fixes) for UBIFS
JFFS2: - Fix for use-after-free in jffs2_sum_write_data() - Fix for out-of-bounds access in jffs2_zlib_compress() UBI: - Remove dead/useless code UBIFS: - Fix for a memory leak in ubifs_init_authentication() - Fix for high stack usage - Fix for a off-by-one error in xattrs code -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmAyuh8WHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wT+bD/9Q2Ar9yMX9drPyAnyb3vudE8c8 l0RdNLyBSL87pskpszNZR2+o8Yi3vjlbGWq5i97JsP/7UOb4Gc/MfXPYJteP1xUN S46EZwgcZa4XCgMSSdMk/NZl7bVdbwjvcGjw1CA4RdPkwt8s2jwYdS+hPrHu6o87 3xkP7kWShs/2KhUyvodZgAu6SYcTW+OjiKwdAIKxa1Ak9YUMGzsSHqCbl19he5MG hMxFZIqRZ2zZUfFeYXffVApJI8eBEKVud2qtNA/A6eGsy5Wx3c4F/bxG/uWdoJPp n5CmFRc6UGh8teA43aag5BnLv8sR9bC1Kf3lQX4nwfpBSzE7LwIMN7SVpL0JH5vT dJdwn37JYL/RQjmjTk++O/sSgeg9jJWMG+VOSmuKWPgP6xAYEVXqWg9njuV3wl9W NFBoybP82IyVHcthOcTrY8dx0F7A4q+3PkMy+7cikO2fYKVvJjdKgTp4pcVnGCR3 IadXzNRdYrLPvYwf25D2AyETwQQxcmh/Ox7ZOhkUXuFQ/KnhU0yqbO3cTTB1A/mO jY2SPtXXeUZwgGpGc8Lyr8/KGZ6tJX/3jswwmg+XvdegBLRogqty8XOcwUuJszCh 1kDAKs2LJ6UaMYyhV6Jxr4c+wgHoKJG+voY+oTkrUP4Lt0hQVELCylEkX2uJo60Y x4Gic/YbRUwnfjlAcg== =xorv -----END PGP SIGNATURE----- Merge tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull JFFS2/UBIFS and UBI updates from Richard Weinberger: "JFFS2: - Fix for use-after-free in jffs2_sum_write_data() - Fix for out-of-bounds access in jffs2_zlib_compress() UBI: - Remove dead/useless code UBIFS: - Fix for a memory leak in ubifs_init_authentication() - Fix for high stack usage - Fix for a off-by-one error in xattrs code" * tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubifs: Fix error return code in alloc_wbufs() jffs2: check the validity of dstlen in jffs2_zlib_compress() ubifs: Fix off-by-one error ubifs: replay: Fix high stack usage, again ubifs: Fix memleak in ubifs_init_authentication jffs2: fix use after free in jffs2_sum_write_data() ubi: eba: Delete useless kfree code ubi: remove dead code in validate_vid_hdr() |
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Linus Torvalds
|
69e9b12a27 |
MTD core changes:
* Initial support for BCM4908 partitions
Raw NAND controller drivers:
* Intel: Fix an error handling path in 'ebu_dma_start()'
* Tango: Remove the driver
* Marvell: Convert comma to semicolon
* MXC: Convert comma to semicolon
* Qcom: Add support for Qcom SMEM parser
Related MTD changes:
* parsers: Add Qcom SMEM parser
SPI NOR core changes:
* Add non-uniform erase fixes.
* Add Global Block Unlock command. It is defined by few flash
vendors, and it is used for now just by sst.
SPI NOR controller drivers changes:
* intel-spi: Add support for Intel Alder Lake-P SPI serial flash.
* hisi-sfc: Put child node np on error path.
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Merge tag 'mtd/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- Initial support for BCM4908 partitions
Raw NAND controller drivers:
- Intel: Fix an error handling path in 'ebu_dma_start()'
- Tango: Remove the driver
- Marvell: Convert comma to semicolon
- MXC: Convert comma to semicolon
- Qcom: Add support for Qcom SMEM parser
Related MTD changes:
- parsers: Add Qcom SMEM parser
SPI NOR core changes:
- Add non-uniform erase fixes.
- Add Global Block Unlock command. It is defined by few flash
vendors, and it is used for now just by sst.
SPI NOR controller drivers changes:
- intel-spi: Add support for Intel Alder Lake-P SPI serial flash.
- hisi-sfc: Put child node np on error path"
* tag 'mtd/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (23 commits)
dt-bindings: mtd: add binding for BCM4908 partitions
dt-bindings: mtd: move partition binding to its own file
mtd: spi-nor: sst: Add support for Global Unlock on sst26vf
mtd: spi-nor: Add Global Block Unlock command
mtd: spi-nor: core: Add erase size check for erase command initialization
mtd: spi-nor: core: Fix erase type discovery for overlaid region
mtd: spi-nor: sfdp: Fix last erase region marking
mtd: spi-nor: sfdp: Fix wrong erase type bitmask for overlaid region
mtd: rawnand: intel: Fix an error handling path in 'ebu_dma_start()'
mtd: rawnand: tango: Remove the driver
mtd: rawnand: marvell: convert comma to semicolon
mtd: st_spi_fsm: convert comma to semicolon
mtd: convert comma to semicolon
mtd: parsers: afs: Fix freeing the part name memory in failure
mtd: parser: imagetag: fix error codes in bcm963xx_parse_imagetag_partitions()
mtd: phram: use div_u64_rem to stop overwrite len in phram_setup
mtd: remove redundant assignment to pointer eb
mtd: spi-nor: hisi-sfc: Put child node np on error path
mtd: spi-nor: intel-spi: Add support for Intel Alder Lake-P SPI serial flash
mtd: rawnand: qcom: Add support for Qcom SMEM parser
...
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Linus Torvalds
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04471d3f18 |
This pull request contains the following changes for UML:
- Many cleanups and fixes for our virtio code - Add support for a pseudo RTC - Fix for a possible jailbreak - Minor fixes (spelling, header files) -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmAyu0oWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wd5jD/9sb/5xYhXCSfTdPS/eIrWvBQoc B8rxLfRpYW1Yvzz4R60/vKe8/td5I1/AvlprLp/1AJeawl49vCbSOqwdjn+58Uqb rlagZ2Ikilfn5lVIsxPf8fjbleonvBe8qVA30gJKgCYdYuAcXLs404jZ8MMvwZ0g t4G7BUc7bq19+UVF06kwefzC64c1WgPiHTmO6DT6RcXoFKq/x6i1FN4QnMEoiKQi SsficYHo7FsIhJZKtgTfujzEInLyMMuZ9mTJU/3wwUveLWArG0NRtIttC6FPvhi4 xx5RlTfC/Jzoqi9Qo14bLqV6KcOU/J7Oi4bDpYyhNggF/QfhnNgT8MGPwx5f+Gso 8OJg3MsZw70480EBH7/xLSdhZ3ih178Rr/asmiJkwLOYm5zJ22yqtx/jXQBlGOz3 FHPgTMJcRMzosGqSrhl+KxFdrK1uSLbcFZS3Sp8PUGdtgPPu19Proz2SPdHzt1Mj QJY30nRKKUoTLnRYnQV3VSa7uZXGVAK+HtkpRl/ubTKbGcSF8rdl4fYhOPnmAsKQ F4HBXwqKBht7eKN2BsNNTLz86OFBopn8eFqq8XxwOqF9O7DZitU0sOboWJyMUY2u /QzKxtSAUnNg6Ab+whKhAvkwktJ7IrVJh1JENWDy0pRoCGdF135ajic0bpFDCjqV ohOT/Ol+p4/ClLgxiw== =e5Qa -----END PGP SIGNATURE----- Merge tag 'for-linux-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Many cleanups and fixes for our virtio code - Add support for a pseudo RTC - Fix for a possible jailbreak - Minor fixes (spelling, header files) * tag 'for-linux-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: irq.h: include <asm-generic/irq.h> um: io.h: include <linux/types.h> um: add a pseudo RTC um: remove process stub VMA um: rework userspace stubs to not hard-code stub location um: separate child and parent errors in clone stub um: defer killing userspace on page table update failures um: mm: check more comprehensively for stub changes um: print register names in wait_for_stub um: hostfs: use a kmem cache for inodes mm: Remove arch_remap() and mm-arch-hooks.h um: fix spelling mistake in Kconfig "privleges" -> "privileges" um: virtio: allow devices to be configured for wakeup um: time-travel: rework interrupt handling in ext mode um: virtio: disable VQs during suspend um: virtio: fix handling of messages without payload um: virtio: clean up a comment |
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Linus Torvalds
|
df24212a49 |
s390 updates for the 5.12 merge window
- Convert to using the generic entry infrastructure.
- Add vdso time namespace support.
- Switch s390 and alpha to 64-bit ino_t. As discussed here
lkml.kernel.org/r/YCV7QiyoweJwvN+m@osiris
- Get rid of expensive stck (store clock) usages where possible. Utilize
cpu alternatives to patch stckf when supported.
- Make tod_clock usage less error prone by converting it to a union and
rework code which is using it.
- Machine check handler fixes and cleanups.
- Drop couple of minor inline asm optimizations to fix clang build.
- Default configs changes notably to make libvirt happy.
- Various changes to rework and improve qdio code.
- Other small various fixes and improvements all over the code.
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Merge tag 's390-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Convert to using the generic entry infrastructure.
- Add vdso time namespace support.
- Switch s390 and alpha to 64-bit ino_t. As discussed at
https://lore.kernel.org/linux-mm/YCV7QiyoweJwvN+m@osiris/
- Get rid of expensive stck (store clock) usages where possible.
Utilize cpu alternatives to patch stckf when supported.
- Make tod_clock usage less error prone by converting it to a union and
rework code which is using it.
- Machine check handler fixes and cleanups.
- Drop couple of minor inline asm optimizations to fix clang build.
- Default configs changes notably to make libvirt happy.
- Various changes to rework and improve qdio code.
- Other small various fixes and improvements all over the code.
* tag 's390-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (68 commits)
s390/qdio: remove 'merge_pending' mechanism
s390/qdio: improve handling of PENDING buffers for QEBSM devices
s390/qdio: rework q->qdio_error indication
s390/qdio: inline qdio_kick_handler()
s390/time: remove get_tod_clock_ext()
s390/crypto: use store_tod_clock_ext()
s390/hypfs: use store_tod_clock_ext()
s390/debug: use union tod_clock
s390/kvm: use union tod_clock
s390/vdso: use union tod_clock
s390/time: convert tod_clock_base to union
s390/time: introduce new store_tod_clock_ext()
s390/time: rename store_tod_clock_ext() and use union tod_clock
s390/time: introduce union tod_clock
s390,alpha: switch to 64-bit ino_t
s390: split cleanup_sie
s390: use r13 in cleanup_sie as temp register
s390: fix kernel asce loading when sie is interrupted
s390: add stack for machine check handler
s390: use WRITE_ONCE when re-allocating async stack
...
|
||
|
Linus Torvalds
|
3e10585335 |
x86:
- Support for userspace to emulate Xen hypercalls
- Raise the maximum number of user memslots
- Scalability improvements for the new MMU. Instead of the complex
"fast page fault" logic that is used in mmu.c, tdp_mmu.c uses an
rwlock so that page faults are concurrent, but the code that can run
against page faults is limited. Right now only page faults take the
lock for reading; in the future this will be extended to some
cases of page table destruction. I hope to switch the default MMU
around 5.12-rc3 (some testing was delayed due to Chinese New Year).
- Cleanups for MAXPHYADDR checks
- Use static calls for vendor-specific callbacks
- On AMD, use VMLOAD/VMSAVE to save and restore host state
- Stop using deprecated jump label APIs
- Workaround for AMD erratum that made nested virtualization unreliable
- Support for LBR emulation in the guest
- Support for communicating bus lock vmexits to userspace
- Add support for SEV attestation command
- Miscellaneous cleanups
PPC:
- Support for second data watchpoint on POWER10
- Remove some complex workarounds for buggy early versions of POWER9
- Guest entry/exit fixes
ARM64
- Make the nVHE EL2 object relocatable
- Cleanups for concurrent translation faults hitting the same page
- Support for the standard TRNG hypervisor call
- A bunch of small PMU/Debug fixes
- Simplification of the early init hypercall handling
Non-KVM changes (with acks):
- Detection of contended rwlocks (implemented only for qrwlocks,
because KVM only needs it for x86)
- Allow __DISABLE_EXPORTS from assembly code
- Provide a saner follow_pfn replacements for modules
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"x86:
- Support for userspace to emulate Xen hypercalls
- Raise the maximum number of user memslots
- Scalability improvements for the new MMU.
Instead of the complex "fast page fault" logic that is used in
mmu.c, tdp_mmu.c uses an rwlock so that page faults are concurrent,
but the code that can run against page faults is limited. Right now
only page faults take the lock for reading; in the future this will
be extended to some cases of page table destruction. I hope to
switch the default MMU around 5.12-rc3 (some testing was delayed
due to Chinese New Year).
- Cleanups for MAXPHYADDR checks
- Use static calls for vendor-specific callbacks
- On AMD, use VMLOAD/VMSAVE to save and restore host state
- Stop using deprecated jump label APIs
- Workaround for AMD erratum that made nested virtualization
unreliable
- Support for LBR emulation in the guest
- Support for communicating bus lock vmexits to userspace
- Add support for SEV attestation command
- Miscellaneous cleanups
PPC:
- Support for second data watchpoint on POWER10
- Remove some complex workarounds for buggy early versions of POWER9
- Guest entry/exit fixes
ARM64:
- Make the nVHE EL2 object relocatable
- Cleanups for concurrent translation faults hitting the same page
- Support for the standard TRNG hypervisor call
- A bunch of small PMU/Debug fixes
- Simplification of the early init hypercall handling
Non-KVM changes (with acks):
- Detection of contended rwlocks (implemented only for qrwlocks,
because KVM only needs it for x86)
- Allow __DISABLE_EXPORTS from assembly code
- Provide a saner follow_pfn replacements for modules"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (192 commits)
KVM: x86/xen: Explicitly pad struct compat_vcpu_info to 64 bytes
KVM: selftests: Don't bother mapping GVA for Xen shinfo test
KVM: selftests: Fix hex vs. decimal snafu in Xen test
KVM: selftests: Fix size of memslots created by Xen tests
KVM: selftests: Ignore recently added Xen tests' build output
KVM: selftests: Add missing header file needed by xAPIC IPI tests
KVM: selftests: Add operand to vmsave/vmload/vmrun in svm.c
KVM: SVM: Make symbol 'svm_gp_erratum_intercept' static
locking/arch: Move qrwlock.h include after qspinlock.h
KVM: PPC: Book3S HV: Fix host radix SLB optimisation with hash guests
KVM: PPC: Book3S HV: Ensure radix guest has no SLB entries
KVM: PPC: Don't always report hash MMU capability for P9 < DD2.2
KVM: PPC: Book3S HV: Save and restore FSCR in the P9 path
KVM: PPC: remove unneeded semicolon
KVM: PPC: Book3S HV: Use POWER9 SLBIA IH=6 variant to clear SLB
KVM: PPC: Book3S HV: No need to clear radix host SLB before loading HPT guest
KVM: PPC: Book3S HV: Fix radix guest SLB side channel
KVM: PPC: Book3S HV: Remove support for running HPT guest on RPT host without mixed mode support
KVM: PPC: Book3S HV: Introduce new capability for 2nd DAWR
KVM: PPC: Book3S HV: Add infrastructure to support 2nd DAWR
...
|
||
|
Linus Torvalds
|
9c5b80b795 |
hyperv-next for 5.12
-----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmArly8THHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXkRfCADB0PA4xlfVF0Na/iZoBFdNFr3EMU4K NddGJYyk0o+gipUIj2xu7TksVw8c1/cWilXOUBe7oZRKw2/fC/0hpDwvLpPtD/wP +Tc2DcIgwquMvsSksyqpMOb0YjNNhWCx9A9xPWawpUdg20IfbK/ekRHlFI5MsEww 7tFS+MHY4QbsPv0WggoK61PGnhGCBt/85Lv4I08ZGohA6uirwC4fNIKp83SgFNtf 1hHbvpapAFEXwZiKFbzwpue20jWJg+tlTiEFpen3exjBICoagrLLaz3F0SZJvbxl 2YY32zbBsQe4Izre5PVuOlMoNFRom9NSzEzdZT10g7HNtVrwKVNLcohS =MyO4 -----END PGP SIGNATURE----- Merge tag 'hyperv-next-signed-20210216' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull Hyper-V updates from Wei Liu: - VMBus hardening patches from Andrea Parri and Andres Beltran. - Patches to make Linux boot as the root partition on Microsoft Hypervisor from Wei Liu. - One patch to add a new sysfs interface to support hibernation on Hyper-V from Dexuan Cui. - Two miscellaneous clean-up patches from Colin and Gustavo. * tag 'hyperv-next-signed-20210216' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (31 commits) Revert "Drivers: hv: vmbus: Copy packets sent by Hyper-V out of the ring buffer" iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition x86/hyperv: implement an MSI domain for root partition asm-generic/hyperv: import data structures for mapping device interrupts asm-generic/hyperv: introduce hv_device_id and auxiliary structures asm-generic/hyperv: update hv_interrupt_entry asm-generic/hyperv: update hv_msi_entry x86/hyperv: implement and use hv_smp_prepare_cpus x86/hyperv: provide a bunch of helper functions ACPI / NUMA: add a stub function for node_to_pxm() x86/hyperv: handling hypercall page setup for root x86/hyperv: extract partition ID from Microsoft Hypervisor if necessary x86/hyperv: allocate output arg pages if required clocksource/hyperv: use MSR-based access if running as root Drivers: hv: vmbus: skip VMBus initialization if Linux is root x86/hyperv: detect if Linux is the root partition asm-generic/hyperv: change HV_CPU_POWER_MANAGEMENT to HV_CPU_MANAGEMENT hv: hyperv.h: Replace one-element array with flexible-array in struct icmsg_negotiate hv_netvsc: Restrict configurations on isolated guests Drivers: hv: vmbus: Enforce 'VMBus version >= 5.2' on isolated guests ... |
||
|
Linus Torvalds
|
08179b47e1 |
Merge branch 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller: - Optimize parisc page table locks by using the existing page_table_lock - Export argv0-preserve flag in binfmt_misc for usage in qemu-user - Fix interrupt table (IVT) checksum so firmware will call crash handler (HPMC) - Increase IRQ stack to 64kb on 64-bit kernel - Switch to common devmem_is_allowed() implementation - Minor fix to get_whan() * 'parisc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: binfmt_misc: pass binfmt_misc flags to the interpreter parisc: Optimize per-pagetable spinlocks parisc: Replace test_ti_thread_flag() with test_tsk_thread_flag() parisc: Bump 64-bit IRQ stack size to 64 KB parisc: Fix IVT checksum calculation wrt HPMC parisc: Use the generic devmem_is_allowed() parisc: Drop out of get_whan() if task is running again |
||
|
Linus Torvalds
|
2671fe5e1d |
- added support for Nintendo N64
- added support for Realtek RTL83XX SoCs
- kaslr support for Loongson64
- first steps to get rid of set_fs()
- DMA runtime coherent/non-coherent selection cleanup
- cleanups and fixes
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Merge tag 'mips_5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- added support for Nintendo N64
- added support for Realtek RTL83XX SoCs
- kaslr support for Loongson64
- first steps to get rid of set_fs()
- DMA runtime coherent/non-coherent selection cleanup
- cleanups and fixes
* tag 'mips_5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (98 commits)
Revert "MIPS: Add basic support for ptrace single step"
vmlinux.lds.h: catch more UBSAN symbols into .data
MIPS: kernel: Drop kgdb_call_nmi_hook
MAINTAINERS: Add git tree for KVM/mips
MIPS: Use common way to parse elfcorehdr
MIPS: Simplify EVA cache handling
Revert "MIPS: kernel: {ftrace,kgdb}: Set correct address limit for cache flushes"
MIPS: remove CONFIG_DMA_PERDEV_COHERENT
MIPS: remove CONFIG_DMA_MAYBE_COHERENT
driver core: lift dma_default_coherent into common code
MIPS: refactor the runtime coherent vs noncoherent DMA indicators
MIPS/alchemy: factor out the DMA coherent setup
MIPS/malta: simplify plat_setup_iocoherency
MIPS: Add basic support for ptrace single step
MAINTAINERS: replace non-matching patterns for loongson{2,3}
MIPS: Make check condition for SDBBP consistent with EJTAG spec
mips: Replace lkml.org links with lore
Revert "MIPS: microMIPS: Fix the judgment of mm_jr16_op and mm_jalr_op"
MIPS: crash_dump.c: Simplify copy_oldmem_page()
Revert "mips: Manually call fdt_init_reserved_mem() method"
...
|
||
|
Linus Torvalds
|
b811b41024 |
m68k updates for v5.11
- Fix ADB autopoll regression, - Defconfig updates. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCYCqO0hUcZ2VlcnRAbGlu dXgtbTY4ay5vcmcACgkQisJQ/WRJ8XAxqAEA0EmRHcUuulR6MlS+rLNIc9FVMab7 g994FDjfoX6a2PkBAN2s4zd8NdX3sfOnCZduSjuLFxzJmRz6Z2GgO2MM9DsA =0qVl -----END PGP SIGNATURE----- Merge tag 'm68k-for-v5.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - fix ADB autopoll regression - defconfig updates * tag 'm68k-for-v5.12-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: macintosh/adb-iop: Use big-endian autopoll mask m68k: defconfig: Update defconfigs for v5.11-rc1 |
||
|
Linus Torvalds
|
99ca0edb41 |
arm64 updates for 5.12
- vDSO build improvements including support for building with BSD.
- Cleanup to the AMU support code and initialisation rework to support
cpufreq drivers built as modules.
- Removal of synthetic frame record from exception stack when entering
the kernel from EL0.
- Add support for the TRNG firmware call introduced by Arm spec
DEN0098.
- Cleanup and refactoring across the board.
- Avoid calling arch_get_random_seed_long() from
add_interrupt_randomness()
- Perf and PMU updates including support for Cortex-A78 and the v8.3
SPE extensions.
- Significant steps along the road to leaving the MMU enabled during
kexec relocation.
- Faultaround changes to initialise prefaulted PTEs as 'old' when
hardware access-flag updates are supported, which drastically
improves vmscan performance.
- CPU errata updates for Cortex-A76 (#1463225) and Cortex-A55
(#1024718)
- Preparatory work for yielding the vector unit at a finer granularity
in the crypto code, which in turn will one day allow us to defer
softirq processing when it is in use.
- Support for overriding CPU ID register fields on the command-line.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
- vDSO build improvements including support for building with BSD.
- Cleanup to the AMU support code and initialisation rework to support
cpufreq drivers built as modules.
- Removal of synthetic frame record from exception stack when entering
the kernel from EL0.
- Add support for the TRNG firmware call introduced by Arm spec
DEN0098.
- Cleanup and refactoring across the board.
- Avoid calling arch_get_random_seed_long() from
add_interrupt_randomness()
- Perf and PMU updates including support for Cortex-A78 and the v8.3
SPE extensions.
- Significant steps along the road to leaving the MMU enabled during
kexec relocation.
- Faultaround changes to initialise prefaulted PTEs as 'old' when
hardware access-flag updates are supported, which drastically
improves vmscan performance.
- CPU errata updates for Cortex-A76 (#1463225) and Cortex-A55
(#1024718)
- Preparatory work for yielding the vector unit at a finer granularity
in the crypto code, which in turn will one day allow us to defer
softirq processing when it is in use.
- Support for overriding CPU ID register fields on the command-line.
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (85 commits)
drivers/perf: Replace spin_lock_irqsave to spin_lock
mm: filemap: Fix microblaze build failure with 'mmu_defconfig'
arm64: Make CPU_BIG_ENDIAN depend on ld.bfd or ld.lld 13.0.0+
arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line
arm64: Defer enabling pointer authentication on boot core
arm64: cpufeatures: Allow disabling of BTI from the command-line
arm64: Move "nokaslr" over to the early cpufeature infrastructure
KVM: arm64: Document HVC_VHE_RESTART stub hypercall
arm64: Make kvm-arm.mode={nvhe, protected} an alias of id_aa64mmfr1.vh=0
arm64: Add an aliasing facility for the idreg override
arm64: Honor VHE being disabled from the command-line
arm64: Allow ID_AA64MMFR1_EL1.VH to be overridden from the command line
arm64: cpufeature: Add an early command-line cpufeature override facility
arm64: Extract early FDT mapping from kaslr_early_init()
arm64: cpufeature: Use IDreg override in __read_sysreg_by_encoding()
arm64: cpufeature: Add global feature override facility
arm64: Move SCTLR_EL1 initialisation to EL-agnostic code
arm64: Simplify init_el2_state to be non-VHE only
arm64: Move VHE-specific SPE setup to mutate_to_vhe()
arm64: Drop early setting of MDSCR_EL2.TPMS
...
|
||
|
Linus Torvalds
|
4a037ad5d1 |
xen: branch for v5.12-rc1
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCYCu8dgAKCRCAXGG7T9hj vuxTAP0S1iJ6DR5Y2pdSy2dfxn/gItNqUlR7vbFdxgf/mBSNxAD/fxbtVWM1GuTs 3Fwz0T60BcxsHZXhDcPAA2cjoqORbQs= =2b0M -----END PGP SIGNATURE----- Merge tag 'for-linus-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: "A series of Xen related security fixes, all related to limited error handling in Xen backend drivers" * tag 'for-linus-5.12-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen-blkback: fix error handling in xen_blkbk_map() xen-scsiback: don't "handle" error by BUG() xen-netback: don't "handle" error by BUG() xen-blkback: don't "handle" error by BUG() xen/arm: don't ignore return errors from set_phys_to_machine Xen/gntdev: correct error checking in gntdev_map_grant_pages() Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() Xen/x86: don't bail early from clear_foreign_p2m_mapping() |
||
|
Linus Torvalds
|
d310ec03a3 |
The performance event updates for v5.12 are:
- Add CPU-PMU support for Intel Sapphire Rapids CPUs
- Extend the perf ABI with PERF_SAMPLE_WEIGHT_STRUCT, to offer two-parameter
sampling event feedback. Not used yet, but is intended for Golden Cove
CPU-PMU, which can provide both the instruction latency and the cache
latency information for memory profiling events.
- Remove experimental, default-disabled perfmon-v4 counter_freezing support
that could only be enabled via a boot option. The hardware is hopelessly
broken, we'd like to make sure nobody starts relying on this, as it would
only end in tears.
- Fix energy/power events on Intel SPR platforms
- Simplify the uprobes resume_execution() logic
- Misc smaller fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance event updates from Ingo Molnar:
- Add CPU-PMU support for Intel Sapphire Rapids CPUs
- Extend the perf ABI with PERF_SAMPLE_WEIGHT_STRUCT, to offer
two-parameter sampling event feedback. Not used yet, but is intended
for Golden Cove CPU-PMU, which can provide both the instruction
latency and the cache latency information for memory profiling
events.
- Remove experimental, default-disabled perfmon-v4 counter_freezing
support that could only be enabled via a boot option. The hardware is
hopelessly broken, we'd like to make sure nobody starts relying on
this, as it would only end in tears.
- Fix energy/power events on Intel SPR platforms
- Simplify the uprobes resume_execution() logic
- Misc smaller fixes.
* tag 'perf-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/rapl: Fix psys-energy event on Intel SPR platform
perf/x86/rapl: Only check lower 32bits for RAPL energy counters
perf/x86/rapl: Add msr mask support
perf/x86/kvm: Add Cascade Lake Xeon steppings to isolation_ucodes[]
perf/x86/intel: Support CPUID 10.ECX to disable fixed counters
perf/x86/intel: Add perf core PMU support for Sapphire Rapids
perf/x86/intel: Filter unsupported Topdown metrics event
perf/x86/intel: Factor out intel_update_topdown_event()
perf/core: Add PERF_SAMPLE_WEIGHT_STRUCT
perf/intel: Remove Perfmon-v4 counter_freezing support
x86/perf: Use static_call for x86_pmu.guest_get_msrs
perf/x86/intel/uncore: With > 8 nodes, get pci bus die id from NUMA info
perf/x86/intel/uncore: Store the logical die id instead of the physical die id.
x86/kprobes: Do not decode opcode in resume_execution()
|
||
|
Linus Torvalds
|
657bd90c93 |
Scheduler updates for v5.12:
[ NOTE: unfortunately this tree had to be freshly rebased today,
it's a same-content tree of 82891be90f3c (-next published)
merged with v5.11.
The main reason for the rebase was an authorship misattribution
problem with a new commit, which we noticed in the last minute,
and which we didn't want to be merged upstream. The offending
commit was deep in the tree, and dependent commits had to be
rebased as well. ]
- Core scheduler updates:
- Add CONFIG_PREEMPT_DYNAMIC: this in its current form adds the
preempt=none/voluntary/full boot options (default: full),
to allow distros to build a PREEMPT kernel but fall back to
close to PREEMPT_VOLUNTARY (or PREEMPT_NONE) runtime scheduling
behavior via a boot time selection.
There's also the /debug/sched_debug switch to do this runtime.
This feature is implemented via runtime patching (a new variant of static calls).
The scope of the runtime patching can be best reviewed by looking
at the sched_dynamic_update() function in kernel/sched/core.c.
( Note that the dynamic none/voluntary mode isn't 100% identical,
for example preempt-RCU is available in all cases, plus the
preempt count is maintained in all models, which has runtime
overhead even with the code patching. )
The PREEMPT_VOLUNTARY/PREEMPT_NONE models, used by the vast majority
of distributions, are supposed to be unaffected.
- Fix ignored rescheduling after rcu_eqs_enter(). This is a bug that
was found via rcutorture triggering a hang. The bug is that
rcu_idle_enter() may wake up a NOCB kthread, but this happens after
the last generic need_resched() check. Some cpuidle drivers fix it
by chance but many others don't.
In true 2020 fashion the original bug fix has grown into a 5-patch
scheduler/RCU fix series plus another 16 RCU patches to address
the underlying issue of missed preemption events. These are the
initial fixes that should fix current incarnations of the bug.
- Clean up rbtree usage in the scheduler, by providing & using the following
consistent set of rbtree APIs:
partial-order; less() based:
- rb_add(): add a new entry to the rbtree
- rb_add_cached(): like rb_add(), but for a rb_root_cached
total-order; cmp() based:
- rb_find(): find an entry in an rbtree
- rb_find_add(): find an entry, and add if not found
- rb_find_first(): find the first (leftmost) matching entry
- rb_next_match(): continue from rb_find_first()
- rb_for_each(): iterate a sub-tree using the previous two
- Improve the SMP/NUMA load-balancer: scan for an idle sibling in a single pass.
This is a 4-commit series where each commit improves one aspect of the idle
sibling scan logic.
- Improve the cpufreq cooling driver by getting the effective CPU utilization
metrics from the scheduler
- Improve the fair scheduler's active load-balancing logic by reducing the number
of active LB attempts & lengthen the load-balancing interval. This improves
stress-ng mmapfork performance.
- Fix CFS's estimated utilization (util_est) calculation bug that can result in
too high utilization values
- Misc updates & fixes:
- Fix the HRTICK reprogramming & optimization feature
- Fix SCHED_SOFTIRQ raising race & warning in the CPU offlining code
- Reduce dl_add_task_root_domain() overhead
- Fix uprobes refcount bug
- Process pending softirqs in flush_smp_call_function_from_idle()
- Clean up task priority related defines, remove *USER_*PRIO and
USER_PRIO()
- Simplify the sched_init_numa() deduplication sort
- Documentation updates
- Fix EAS bug in update_misfit_status(), which degraded the quality
of energy-balancing
- Smaller cleanups
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Core scheduler updates:
- Add CONFIG_PREEMPT_DYNAMIC: this in its current form adds the
preempt=none/voluntary/full boot options (default: full), to allow
distros to build a PREEMPT kernel but fall back to close to
PREEMPT_VOLUNTARY (or PREEMPT_NONE) runtime scheduling behavior via
a boot time selection.
There's also the /debug/sched_debug switch to do this runtime.
This feature is implemented via runtime patching (a new variant of
static calls).
The scope of the runtime patching can be best reviewed by looking
at the sched_dynamic_update() function in kernel/sched/core.c.
( Note that the dynamic none/voluntary mode isn't 100% identical,
for example preempt-RCU is available in all cases, plus the
preempt count is maintained in all models, which has runtime
overhead even with the code patching. )
The PREEMPT_VOLUNTARY/PREEMPT_NONE models, used by the vast
majority of distributions, are supposed to be unaffected.
- Fix ignored rescheduling after rcu_eqs_enter(). This is a bug that
was found via rcutorture triggering a hang. The bug is that
rcu_idle_enter() may wake up a NOCB kthread, but this happens after
the last generic need_resched() check. Some cpuidle drivers fix it
by chance but many others don't.
In true 2020 fashion the original bug fix has grown into a 5-patch
scheduler/RCU fix series plus another 16 RCU patches to address the
underlying issue of missed preemption events. These are the initial
fixes that should fix current incarnations of the bug.
- Clean up rbtree usage in the scheduler, by providing & using the
following consistent set of rbtree APIs:
partial-order; less() based:
- rb_add(): add a new entry to the rbtree
- rb_add_cached(): like rb_add(), but for a rb_root_cached
total-order; cmp() based:
- rb_find(): find an entry in an rbtree
- rb_find_add(): find an entry, and add if not found
- rb_find_first(): find the first (leftmost) matching entry
- rb_next_match(): continue from rb_find_first()
- rb_for_each(): iterate a sub-tree using the previous two
- Improve the SMP/NUMA load-balancer: scan for an idle sibling in a
single pass. This is a 4-commit series where each commit improves
one aspect of the idle sibling scan logic.
- Improve the cpufreq cooling driver by getting the effective CPU
utilization metrics from the scheduler
- Improve the fair scheduler's active load-balancing logic by
reducing the number of active LB attempts & lengthen the
load-balancing interval. This improves stress-ng mmapfork
performance.
- Fix CFS's estimated utilization (util_est) calculation bug that can
result in too high utilization values
Misc updates & fixes:
- Fix the HRTICK reprogramming & optimization feature
- Fix SCHED_SOFTIRQ raising race & warning in the CPU offlining code
- Reduce dl_add_task_root_domain() overhead
- Fix uprobes refcount bug
- Process pending softirqs in flush_smp_call_function_from_idle()
- Clean up task priority related defines, remove *USER_*PRIO and
USER_PRIO()
- Simplify the sched_init_numa() deduplication sort
- Documentation updates
- Fix EAS bug in update_misfit_status(), which degraded the quality
of energy-balancing
- Smaller cleanups"
* tag 'sched-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
sched,x86: Allow !PREEMPT_DYNAMIC
entry/kvm: Explicitly flush pending rcuog wakeup before last rescheduling point
entry: Explicitly flush pending rcuog wakeup before last rescheduling point
rcu/nocb: Trigger self-IPI on late deferred wake up before user resume
rcu/nocb: Perform deferred wake up before last idle's need_resched() check
rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers
sched/features: Distinguish between NORMAL and DEADLINE hrtick
sched/features: Fix hrtick reprogramming
sched/deadline: Reduce rq lock contention in dl_add_task_root_domain()
uprobes: (Re)add missing get_uprobe() in __find_uprobe()
smp: Process pending softirqs in flush_smp_call_function_from_idle()
sched: Harden PREEMPT_DYNAMIC
static_call: Allow module use without exposing static_call_key
sched: Add /debug/sched_preempt
preempt/dynamic: Support dynamic preempt with preempt= boot option
preempt/dynamic: Provide irqentry_exit_cond_resched() static call
preempt/dynamic: Provide preempt_schedule[_notrace]() static calls
preempt/dynamic: Provide cond_resched() and might_resched() static calls
preempt: Introduce CONFIG_PREEMPT_DYNAMIC
static_call: Provide DEFINE_STATIC_CALL_RET0()
...
|
||
|
Linus Torvalds
|
7b15c27e2f |
These changes fix MM (soft-)dirty bit management in the procfs code & clean up the API.
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||
|
Linus Torvalds
|
9eef023345 |
These are the v5.12 updates for the locking subsystem:
- Core locking primitives updates:
- Remove mutex_trylock_recursive() from the API - no users left
- Simplify + constify the futex code a bit
- Lockdep updates:
- Teach lockdep about local_lock_t
- Add CONFIG_DEBUG_IRQFLAGS=y debug config option to check for
potentially unsafe IRQ mask restoration patterns. (I.e.
calling raw_local_irq_restore() with IRQs enabled.)
- Add wait context self-tests
- Fix graph lock corner case corrupting internal data structures
- Fix noinstr annotations
- LKMM updates:
- Simplify the litmus tests
- Documentation fixes
- KCSAN updates:
- Re-enable KCSAN instrumentation in lib/random32.c
- Misc fixes:
- Don't branch-trace static label APIs
- DocBook fix
- Remove stale leftover empty file
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"Core locking primitives updates:
- Remove mutex_trylock_recursive() from the API - no users left
- Simplify + constify the futex code a bit
Lockdep updates:
- Teach lockdep about local_lock_t
- Add CONFIG_DEBUG_IRQFLAGS=y debug config option to check for
potentially unsafe IRQ mask restoration patterns. (I.e.
calling raw_local_irq_restore() with IRQs enabled.)
- Add wait context self-tests
- Fix graph lock corner case corrupting internal data structures
- Fix noinstr annotations
LKMM updates:
- Simplify the litmus tests
- Documentation fixes
KCSAN updates:
- Re-enable KCSAN instrumentation in lib/random32.c
Misc fixes:
- Don't branch-trace static label APIs
- DocBook fix
- Remove stale leftover empty file"
* tag 'locking-core-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
checkpatch: Don't check for mutex_trylock_recursive()
locking/mutex: Kill mutex_trylock_recursive()
s390: Use arch_local_irq_{save,restore}() in early boot code
lockdep: Noinstr annotate warn_bogus_irq_restore()
locking/lockdep: Avoid unmatched unlock
locking/rwsem: Remove empty rwsem.h
locking/rtmutex: Add missing kernel-doc markup
futex: Remove unneeded gotos
futex: Change utime parameter to be 'const ... *'
lockdep: report broken irq restoration
jump_label: Do not profile branch annotations
locking: Add Reviewers
locking/selftests: Add local_lock inversion tests
locking/lockdep: Exclude local_lock_t from IRQ inversions
locking/lockdep: Clean up check_redundant() a bit
locking/lockdep: Add a skip() function to __bfs()
locking/lockdep: Mark local_lock_t
locking/selftests: More granular debug_locks_verbose
lockdep/selftest: Add wait context selftests
tools/memory-model: Fix typo in klitmus7 compatibility table
...
|
||
|
Linus Torvalds
|
d089f48fba |
These are the latest RCU updates for v5.12:
- Documentation updates.
- Miscellaneous fixes.
- kfree_rcu() updates: Addition of mem_dump_obj() to provide allocator return
addresses to more easily locate bugs. This has a couple of RCU-related commits,
but is mostly MM. Was pulled in with akpm's agreement.
- Per-callback-batch tracking of numbers of callbacks,
which enables better debugging information and smarter
reactions to large numbers of callbacks.
- The first round of changes to allow CPUs to be runtime switched from and to
callback-offloaded state.
- CONFIG_PREEMPT_RT-related changes.
- RCU CPU stall warning updates.
- Addition of polling grace-period APIs for SRCU.
- Torture-test and torture-test scripting updates, including a "torture everything"
script that runs rcutorture, locktorture, scftorture, rcuscale, and refscale.
Plus does an allmodconfig build.
- nolibc fixes for the torture tests
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'core-rcu-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"These are the latest RCU updates for v5.12:
- Documentation updates.
- Miscellaneous fixes.
- kfree_rcu() updates: Addition of mem_dump_obj() to provide
allocator return addresses to more easily locate bugs. This has a
couple of RCU-related commits, but is mostly MM. Was pulled in with
akpm's agreement.
- Per-callback-batch tracking of numbers of callbacks, which enables
better debugging information and smarter reactions to large numbers
of callbacks.
- The first round of changes to allow CPUs to be runtime switched
from and to callback-offloaded state.
- CONFIG_PREEMPT_RT-related changes.
- RCU CPU stall warning updates.
- Addition of polling grace-period APIs for SRCU.
- Torture-test and torture-test scripting updates, including a
"torture everything" script that runs rcutorture, locktorture,
scftorture, rcuscale, and refscale. Plus does an allmodconfig
build.
- nolibc fixes for the torture tests"
* tag 'core-rcu-2021-02-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (130 commits)
percpu_ref: Dump mem_dump_obj() info upon reference-count underflow
rcu: Make call_rcu() print mem_dump_obj() info for double-freed callback
mm: Make mem_obj_dump() vmalloc() dumps include start and length
mm: Make mem_dump_obj() handle vmalloc() memory
mm: Make mem_dump_obj() handle NULL and zero-sized pointers
mm: Add mem_dump_obj() to print source of memory block
tools/rcutorture: Fix position of -lgcc in mkinitrd.sh
tools/nolibc: Fix position of -lgcc in the documented example
tools/nolibc: Emit detailed error for missing alternate syscall number definitions
tools/nolibc: Remove incorrect definitions of __ARCH_WANT_*
tools/nolibc: Get timeval, timespec and timezone from linux/time.h
tools/nolibc: Implement poll() based on ppoll()
tools/nolibc: Implement fork() based on clone()
tools/nolibc: Make getpgrp() fall back to getpgid(0)
tools/nolibc: Make dup2() rely on dup3() when available
tools/nolibc: Add the definition for dup()
rcutorture: Add rcutree.use_softirq=0 to RUDE01 and TASKS01
torture: Maintain torture-specific set of CPUs-online books
torture: Clean up after torture-test CPU hotplugging
rcutorture: Make object_debug also double call_rcu() heap object
...
|
||
|
Linus Torvalds
|
3f6ec19f2d |
Time and timer updates:
- Instead of new drivers remove tango, sirf, u300 and atlas drivers - Add suspend/resume support for microchip pit64b - The usual fixes, improvements and cleanups here and there -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmAqjecTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYodVTD/9UuKlOifRBNd4ECR+yF65MzLfjqNHU j76E3Dzuf4QCbXTjmQAsadaqQ+w9l8Ie7OVT51XlmTczEBkJiV3FOGLVJeRun6R4 7OLF3VOYyBUtMoRdHzyXaYOTbsOK9gZitucDeLCQhvKhDCkVnKKFXNJR+TTkSYM3 xDBLwuI7uuHWHyh0+W+3SI1pTiEA4yMe5ZbqqoJbjGQapr3Eao+nyjd1aa3ERb2f PtS7UVQ69QowRqq6DQyZk0yKit8J3HZnHfCPH/T6eXsxGnui36GiUnTGCMhLMZpD Xvl/5cjqQuKjgt2093t8nGiumOGBOfrb8uvc/qMW777DzFe/VJtXrC/7pySVLAhK oc9Swj0iX/WPARzlpyOk3lfpDMzv6qyjMNJIXcnav2lrknITp+TMORKWOADB03UV sswlN7YFTrNe7d7uxEdybKkNX6bUwgOzo2m69A1IdSXwKPzYkZQmku6Y7GnzYErZ aiJiZl858VB9g24ROKLt/uQTarzYCS0sjcdnDgO1KSR7zKHZ4iUpd3zucd3mlmUo fGTMIbCqL/gzl4Zcl6njvzMVfJeMzOeDiQ41wCyYnOsXlIKmWNi1rONdGZcyDYvN bOiGVUMKicEZwBlSZQQ1GdR9eGf8/Ix5cTlynZepN3dkHUDc7SU+OvQZdg4Yd/RY BsquFDHnt4gl+A== =xZQt -----END PGP SIGNATURE----- Merge tag 'timers-core-2021-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer updates from Thomas Gleixner: "Time and timer updates: - Instead of new drivers remove tango, sirf, u300 and atlas drivers - Add suspend/resume support for microchip pit64b - The usual fixes, improvements and cleanups here and there" * tag 'timers-core-2021-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timens: Delete no-op time_ns_init() alarmtimer: Update kerneldoc clocksource/drivers/timer-microchip-pit64b: Add clocksource suspend/resume clocksource/drivers/prima: Remove sirf prima driver clocksource/drivers/atlas: Remove sirf atlas driver clocksource/drivers/tango: Remove tango driver clocksource/drivers/u300: Remove the u300 driver dt-bindings: timer: nuvoton: Clarify that interrupt of timer 0 should be specified clocksource/drivers/davinci: Move pr_fmt() before the includes clocksource/drivers/efm32: Drop unused timer code |
||
|
Linus Torvalds
|
b5183bc94b |
Updates for the irq subsystem:
- The usual new irq chip driver (Realtek RTL83xx) - Removal of sirfsoc and tango irq chip drivers - Conversion of the sun6i chip support to hierarchical irq domains - The usual fixes, improvements and cleanups all over the place -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmAqjRITHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYob0ND/9ghLC0XF7gSrIFBxNXczQcckd0Ev8y gt7EJMxy9+UG/krEmLk4p5FkkKaUQy4v8PMqhDpI0pR7Fdm2oaOCgPRHsNdVYr5J g7FawE99qPiRXaR29rpfX6qIBRP3rJ4/MS90YlcXGvKbgPtqCXStEWrIyu1/1Q8A 3BdfKL3K15/TeWeu9075yHX8V4Ovss6Birc0/XNtQWiHNk84GAZVIQPjfdHEu83j Kv4QxlrfSDjCvB016YKL04kjrwzUXxksvGnyjFXNXFZwg0bVtLTujSdkXajUBQjv 1ZpcEM+gBPdeOU99ELYeaQ9B0Di2mNjya5TBttmKdKW/nQ01BkWUouoqyBRqjpvd +2uXaad/D7iKUYXqXtSim8OpwBLb5THQdG4qn1vgYZOUxWu9DKdtZEO3hw8edgjN zJEQFI8yBeDtcAjKTqm0C2fomlWPhDM0A97EHmV8LiQpz0PyY9q8Oogg51t1RggH 7w9+YjjrGkaPifZXX+YogJT/CbFanK6lOUIFg/qro1QcicCsEbWrTaHUOwdpWpHr B4FKZIfrlnrY7yMC7aClPQSJr3iUXBUjfWhRKvYiwOLTabfUWz+HRFA++R8vytbL RvEZnhuvi3eyRn91yiapQM/f69yC1yslTZHy4/Ww9kvtOoawQpmegnZ3dLMhwBN1 aFgQi4U9Z7G2eA== =rM8s -----END PGP SIGNATURE----- Merge tag 'irq-core-2021-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq updates from Thomas Gleixner: "Updates for the irq subsystem: - The usual new irq chip driver (Realtek RTL83xx) - Removal of sirfsoc and tango irq chip drivers - Conversion of the sun6i chip support to hierarchical irq domains - The usual fixes, improvements and cleanups all over the place" * tag 'irq-core-2021-02-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/imx: IMX_INTMUX should not default to y, unconditionally irqchip/loongson-pch-msi: Use bitmap_zalloc() to allocate bitmap irqchip/csky-mpintc: Prevent selection on unsupported platforms irqchip: Add support for Realtek RTL838x/RTL839x interrupt controller dt-bindings: interrupt-controller: Add Realtek RTL838x/RTL839x support irqchip/ls-extirq: add IRQCHIP_SKIP_SET_WAKE to the irqchip flags genirq: Use new tasklet API for resend_tasklet dt-bindings: qcom,pdc: Add compatible for SM8350 dt-bindings: qcom,pdc: Add compatible for SM8250 irqchip/sun6i-r: Add wakeup support irqchip/sun6i-r: Use a stacked irqchip driver dt-bindings: irq: sun6i-r: Add a compatible for the H3 dt-bindings: irq: sun6i-r: Split the binding from sun7i-nmi irqchip/gic-v3: Fix typos in PMR/RPR SCR_EL3.FIQ handling explanation irqchip: Remove sirfsoc driver irqchip: Remove sigma tango driver |
||
|
Linus Torvalds
|
5bbb336ba7 |
for-5.12/io_uring-2021-02-17
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Merge tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Highlights from this cycles are things like request recycling and
task_work optimizations, which net us anywhere from 10-20% of speedups
on workloads that mostly are inline.
This work was originally done to put io_uring under memcg, which adds
considerable overhead. But it's a really nice win as well. Also worth
highlighting is the LOOKUP_CACHED work in the VFS, and using it in
io_uring. Greatly speeds up the fast path for file opens.
Summary:
- Put io_uring under memcg protection. We accounted just the rings
themselves under rlimit memlock before, now we account everything.
- Request cache recycling, persistent across invocations (Pavel, me)
- First part of a cleanup/improvement to buffer registration (Bijan)
- SQPOLL fixes (Hao)
- File registration NULL pointer fixup (Dan)
- LOOKUP_CACHED support for io_uring
- Disable /proc/thread-self/ for io_uring, like we do for /proc/self
- Add Pavel to the io_uring MAINTAINERS entry
- Tons of code cleanups and optimizations (Pavel)
- Support for skip entries in file registration (Noah)"
* tag 'for-5.12/io_uring-2021-02-17' of git://git.kernel.dk/linux-block: (103 commits)
io_uring: tctx->task_lock should be IRQ safe
proc: don't allow async path resolution of /proc/thread-self components
io_uring: kill cached requests from exiting task closing the ring
io_uring: add helper to free all request caches
io_uring: allow task match to be passed to io_req_cache_free()
io-wq: clear out worker ->fs and ->files
io_uring: optimise io_init_req() flags setting
io_uring: clean io_req_find_next() fast check
io_uring: don't check PF_EXITING from syscall
io_uring: don't split out consume out of SQE get
io_uring: save ctx put/get for task_work submit
io_uring: don't duplicate io_req_task_queue()
io_uring: optimise SQPOLL mm/files grabbing
io_uring: optimise out unlikely link queue
io_uring: take compl state from submit state
io_uring: inline io_complete_rw_common()
io_uring: move res check out of io_rw_reissue()
io_uring: simplify iopoll reissuing
io_uring: clean up io_req_free_batch_finish()
io_uring: move submit side state closer in the ring
...
|
||
|
Linus Torvalds
|
9820b4dca0 |
for-5.12/drivers-2021-02-17
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Merge tag 'for-5.12/drivers-2021-02-17' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
- Remove the skd driver. It's been EOL for a long time (Damien)
- NVMe pull requests
- fix multipath handling of ->queue_rq errors (Chao Leng)
- nvmet cleanups (Chaitanya Kulkarni)
- add a quirk for buggy Amazon controller (Filippo Sironi)
- avoid devm allocations in nvme-hwmon that don't interact well
with fabrics (Hannes Reinecke)
- sysfs cleanups (Jiapeng Chong)
- fix nr_zones for multipath (Keith Busch)
- nvme-tcp crash fix for no-data commands (Sagi Grimberg)
- nvmet-tcp fixes (Sagi Grimberg)
- add a missing __rcu annotation (Christoph)
- failed reconnect fixes (Chao Leng)
- various tracing improvements (Michal Krakowiak, Johannes
Thumshirn)
- switch the nvmet-fc assoc_list to use RCU protection (Leonid
Ravich)
- resync the status codes with the latest spec (Max Gurtovoy)
- minor nvme-tcp improvements (Sagi Grimberg)
- various cleanups (Rikard Falkeborn, Minwoo Im, Chaitanya
Kulkarni, Israel Rukshin)
- Floppy O_NDELAY fix (Denis)
- MD pull request
- raid5 chunk_sectors fix (Guoqing)
- Use lore links (Kees)
- Use DEFINE_SHOW_ATTRIBUTE for nbd (Liao)
- loop lock scaling (Pavel)
- mtip32xx PCI fixes (Bjorn)
- bcache fixes (Kai, Dongdong)
- Misc fixes (Tian, Yang, Guoqing, Joe, Andy)
* tag 'for-5.12/drivers-2021-02-17' of git://git.kernel.dk/linux-block: (64 commits)
lightnvm: pblk: Replace guid_copy() with export_guid()/import_guid()
lightnvm: fix unnecessary NULL check warnings
nvme-tcp: fix crash triggered with a dataless request submission
block: Replace lkml.org links with lore
nbd: Convert to DEFINE_SHOW_ATTRIBUTE
nvme: add 48-bit DMA address quirk for Amazon NVMe controllers
nvme-hwmon: rework to avoid devm allocation
nvmet: remove else at the end of the function
nvmet: add nvmet_req_subsys() helper
nvmet: use min of device_path and disk len
nvmet: use invalid cmd opcode helper
nvmet: use invalid cmd opcode helper
nvmet: add helper to report invalid opcode
nvmet: remove extra variable in id-ns handler
nvmet: make nvmet_find_namespace() req based
nvmet: return uniform error for invalid ns
nvmet: set status to 0 in case for invalid nsid
nvmet-fc: add a missing __rcu annotation to nvmet_fc_tgt_assoc.queues
nvme-multipath: set nr_zones for zoned namespaces
nvmet-tcp: fix potential race of tcp socket closing accept_work
...
|
||
|
Linus Torvalds
|
582cd91f69 |
for-5.12/block-2021-02-17
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||
|
Linus Torvalds
|
bd018bbaa5 |
for-5.12/libata-2021-02-17
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||
|
Linus Torvalds
|
24880bef41 |
Remove oprofile and dcookies support
The "oprofile" user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. The dcookies stuff is only used by the oprofile code. Now that oprofile's support is getting removed from the kernel, there is no need for dcookies as well. Remove kernel's old oprofile and dcookies support. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJgJMEVAAoJENK5HDyugRIcL8YP/jkmXH5CZT80ntcqrJGWKcG7 lWbach7uNeQteht7B1ZPKvojxizTkmfrN2sClX0B2hbGkc5TiWUQ2ZSnvnfWDZ8+ z2qQcEB11G/ReL2vvRk1fJlWdAOyUfrPee/44AkemnLRv+Niw/8PqnGd87yDQGsK qy5E1XXfbjUq6Y/uMiLOX3+21I6w6o2Q6I3NNXC93s0wS3awqnft8n0XBC7iAPBj eowRJxpdRU2Vcuj8UOzzOI7gQlwdjwYImyLPbRy/V8NawC8a+FHrPrf5/GCYlVzl 7TGFBsDQSmzvrBChUfoGz1Rq/VZ1a357p5rhRqemfUrdkjW+vyzelnD8I1W/hb2o SmBXoPoyl3+UkFHNyJI0mI7obaV+2PzyXMV0JIQUj+IiX/mfeFv0nF4XfZD2IkRt 6xhaYj775Zrx32iBdGZIvvLg5Gh9ZkZmR5vJ7Fi/EIZFe6Z+bZnPKUROnAgS/o0z +UkSygOhgo/1XbqrzZVk1iweWeu+EUMbY4YQv2qVnFhpvsq4ieThcUGQpWcxGjjH WP8O0n1yq1slsnpUtxhiTsm46ENajx9zZp6Iv6Ws+NM0RUqjND8BdF1co9WGD3LS cnZMFBs4Bg/V1HICL/D4s6L7t1ofrEXIgJH1y3iF0HeECq03mU4CgA/qly9Aebqg UxPF3oNlVOPlds9FzsU2 =I2Ac -----END PGP SIGNATURE----- Merge tag 'oprofile-removal-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux Pull oprofile and dcookies removal from Viresh Kumar: "Remove oprofile and dcookies support The 'oprofile' user-space tools don't use the kernel OPROFILE support any more, and haven't in a long time. User-space has been converted to the perf interfaces. The dcookies stuff is only used by the oprofile code. Now that oprofile's support is getting removed from the kernel, there is no need for dcookies as well. Remove kernel's old oprofile and dcookies support" * tag 'oprofile-removal-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/linux: fs: Remove dcookies support drivers: Remove CONFIG_OPROFILE support arch: xtensa: Remove CONFIG_OPROFILE support arch: x86: Remove CONFIG_OPROFILE support arch: sparc: Remove CONFIG_OPROFILE support arch: sh: Remove CONFIG_OPROFILE support arch: s390: Remove CONFIG_OPROFILE support arch: powerpc: Remove oprofile arch: powerpc: Stop building and using oprofile arch: parisc: Remove CONFIG_OPROFILE support arch: mips: Remove CONFIG_OPROFILE support arch: microblaze: Remove CONFIG_OPROFILE support arch: ia64: Remove rest of perfmon support arch: ia64: Remove CONFIG_OPROFILE support arch: hexagon: Don't select HAVE_OPROFILE arch: arc: Remove CONFIG_OPROFILE support arch: arm: Remove CONFIG_OPROFILE support arch: alpha: Remove CONFIG_OPROFILE support |
||
|
Linus Torvalds
|
b52bb135aa |
New code for 5.12:
- Fix an ABBA deadlock when renaming files on overlayfs.
- Make sure that we can't overflow the inode extent counters when adding
to or removing extents from a file.
- Make directory sgid inheritance work the same way as all the other
filesystems.
- Don't drain the buffer cache on freeze and ro remount, which should
reduce the amount of time if read-only workloads are continuing
during the freeze.
- Fix a bug where symlink size isn't reported to the vfs in ecryptfs.
- Disentangle log cleaning from log covering. This refactoring sets us
up for future changes to the log, though for now it simply means that
we can use covering for freezes, and cleaning becomes something we
only do at unmount.
- Speed up file fsyncs by reducing iolock cycling.
- Fix delalloc blocks leaking when changing the project id fails because
of input validation errors in FSSETXATTR.
- Fix oversized quota reservation when converting unwritten extents
during a DAX write.
- Create a transaction allocation helper function to standardize the
idiom of allocating a transaction, reserving blocks, locking inodes,
and reserving quota. Replace all the open-coded logic for file
creation, file ownership changes, and file modifications to use them.
- Actually shut down the fs if the incore quota reservations get
corrupted.
- Fix background block garbage collection scans to not block and to
actually clean out CoW staging extents properly.
- Run block gc scans when we run low on project quota.
- Use the standardized transaction allocation helpers to make it so that
ENOSPC and EDQUOT errors during reservation will back out, invoke the
block gc scanner, and try again. This is preparation for introducing
background inode garbage collection in the next cycle.
- Combine speculative post-EOF block garbage collection with speculative
copy on write block garbage collection.
- Enable multithreaded quotacheck.
- Allow sysadmins to tweak the CPU affinities and maximum concurrency
levels of quotacheck and background blockgc worker pools.
- Expose the inode btree counter feature in the fs geometry ioctl.
- Cleanups of the growfs code in preparation for starting work on
filesystem shrinking.
- Fix all the bloody gcc warnings that the maintainer knows about. :P
- Fix a RST syntax error.
- Don't trigger bmbt corruption assertions after the fs shuts down.
- Restore behavior of forcing SIGBUS on a shut down filesystem when
someone triggers a mmap write fault (or really, any buffered write).
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Merge tag 'xfs-5.12-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"There's a lot going on this time, which seems about right for this
drama-filled year.
Community developers added some code to speed up freezing when
read-only workloads are still running, refactored the logging code,
added checks to prevent file extent counter overflow, reduced iolock
cycling to speed up fsync and gc scans, and started the slow march
towards supporting filesystem shrinking.
There's a huge refactoring of the internal speculative preallocation
garbage collection code which fixes a bunch of bugs, makes the gc
scheduling per-AG and hence multithreaded, and standardizes the retry
logic when we try to reserve space or quota, can't, and want to
trigger a gc scan. We also enable multithreaded quotacheck to reduce
mount times further. This is also preparation for background file gc,
which may or may not land for 5.13.
We also fixed some deadlocks in the rename code, fixed a quota
accounting leak when FSSETXATTR fails, restored the behavior that
write faults to an mmap'd region actually cause a SIGBUS, fixed a bug
where sgid directory inheritance wasn't quite working properly, and
fixed a bug where symlinks weren't working properly in ecryptfs. We
also now advertise the inode btree counters feature that was
introduced two cycles ago.
Summary:
- Fix an ABBA deadlock when renaming files on overlayfs.
- Make sure that we can't overflow the inode extent counters when
adding to or removing extents from a file.
- Make directory sgid inheritance work the same way as all the other
filesystems.
- Don't drain the buffer cache on freeze and ro remount, which should
reduce the amount of time if read-only workloads are continuing
during the freeze.
- Fix a bug where symlink size isn't reported to the vfs in ecryptfs.
- Disentangle log cleaning from log covering. This refactoring sets
us up for future changes to the log, though for now it simply means
that we can use covering for freezes, and cleaning becomes
something we only do at unmount.
- Speed up file fsyncs by reducing iolock cycling.
- Fix delalloc blocks leaking when changing the project id fails
because of input validation errors in FSSETXATTR.
- Fix oversized quota reservation when converting unwritten extents
during a DAX write.
- Create a transaction allocation helper function to standardize the
idiom of allocating a transaction, reserving blocks, locking
inodes, and reserving quota. Replace all the open-coded logic for
file creation, file ownership changes, and file modifications to
use them.
- Actually shut down the fs if the incore quota reservations get
corrupted.
- Fix background block garbage collection scans to not block and to
actually clean out CoW staging extents properly.
- Run block gc scans when we run low on project quota.
- Use the standardized transaction allocation helpers to make it so
that ENOSPC and EDQUOT errors during reservation will back out,
invoke the block gc scanner, and try again. This is preparation for
introducing background inode garbage collection in the next cycle.
- Combine speculative post-EOF block garbage collection with
speculative copy on write block garbage collection.
- Enable multithreaded quotacheck.
- Allow sysadmins to tweak the CPU affinities and maximum concurrency
levels of quotacheck and background blockgc worker pools.
- Expose the inode btree counter feature in the fs geometry ioctl.
- Cleanups of the growfs code in preparation for starting work on
filesystem shrinking.
- Fix all the bloody gcc warnings that the maintainer knows about. :P
- Fix a RST syntax error.
- Don't trigger bmbt corruption assertions after the fs shuts down.
- Restore behavior of forcing SIGBUS on a shut down filesystem when
someone triggers a mmap write fault (or really, any buffered
write)"
* tag 'xfs-5.12-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (85 commits)
xfs: consider shutdown in bmapbt cursor delete assert
xfs: fix boolreturn.cocci warnings
xfs: restore shutdown check in mapped write fault path
xfs: fix rst syntax error in admin guide
xfs: fix incorrect root dquot corruption error when switching group/project quota types
xfs: get rid of xfs_growfs_{data,log}_t
xfs: rename `new' to `delta' in xfs_growfs_data_private()
libxfs: expose inobtcount in xfs geometry
xfs: don't bounce the iolock between free_{eof,cow}blocks
xfs: expose the blockgc workqueue knobs publicly
xfs: parallelize block preallocation garbage collection
xfs: rename block gc start and stop functions
xfs: only walk the incore inode tree once per blockgc scan
xfs: consolidate the eofblocks and cowblocks workers
xfs: consolidate incore inode radix tree posteof/cowblocks tags
xfs: remove trivial eof/cowblocks functions
xfs: hide xfs_icache_free_cowblocks
xfs: hide xfs_icache_free_eofblocks
xfs: relocate the eofb/cowb workqueue functions
xfs: set WQ_SYSFS on all workqueues in debug mode
...
|
||
|
Linus Torvalds
|
4f016a316f |
New code for 5.12:
- Adjust the final parameter of iomap_dio_rw.
- Add a new flag to request that iomap directio writes return EAGAIN if
the write is not a pure overwrite within EOF; this will be used to
reduce lock contention with unaligned direct writes on XFS.
- Amend XFS' directio code to eliminate exclusive locking for unaligned
direct writes if the circumstances permit
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Merge tag 'iomap-5.12-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"The big change in this cycle is some new code to make it possible for
XFS to try unaligned directio overwrites without taking locks. If the
block is fully written and within EOF (i.e. doesn't require any
further fs intervention) then we can let the unlocked write proceed.
If not, we fall back to synchronizing direct writes.
Summary:
- Adjust the final parameter of iomap_dio_rw.
- Add a new flag to request that iomap directio writes return EAGAIN
if the write is not a pure overwrite within EOF; this will be used
to reduce lock contention with unaligned direct writes on XFS.
- Amend XFS' directio code to eliminate exclusive locking for
unaligned direct writes if the circumstances permit"
* tag 'iomap-5.12-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: reduce exclusive locking on unaligned dio
xfs: split the unaligned DIO write code out
xfs: improve the reflink_bounce_dio_write tracepoint
xfs: simplify the read/write tracepoints
xfs: remove the buffered I/O fallback assert
xfs: cleanup the read/write helper naming
xfs: make xfs_file_aio_write_checks IOCB_NOWAIT-aware
xfs: factor out a xfs_ilock_iocb helper
iomap: add a IOMAP_DIO_OVERWRITE_ONLY flag
iomap: pass a flags argument to iomap_dio_rw
iomap: rename the flags variable in __iomap_dio_rw
|
||
|
Linus Torvalds
|
f02361639a |
pstore update for v5.12-rc1
- Fix a CONFIG typo (Jiri Bohac) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmAuz1gACgkQiXL039xt wCbHmA/8Dweb4NELHwpMb+7CS0YTtQSkDsZT8PeKnIl3UaoZKQdTcolCm/20wkDx Pvh25zu9bCwut9bYtAiMSKTsfvOIJAxLiPpLNtyuukx/MtGo6SUVaxRZ2Cm1HL+c uQBCgBXnMGznJPOiU0O6/AH9QFr+HQMuXjRHuIBabNOnat93s4sSSefbSAaCUlFS TOTCEIUpTS3w3s0KUGuVsQ8M/OLg/in5JZ+Hbvfq7dejHi/5lQlBDkd8juqzapOL BCW4s45NIrnXOFqImFnDx7M6vXB8nt/D8Wf/70Qv7tQgqbFjU7qz0r4HEwGAlghG DYr5kr5R58tmqyYPuswJKgxdJi8DvmVI9XMdmST2XRIkgQpFfF9Fi5JrNHKXPDHV mFIC58ts17BmAE32jEglYgndYg86YkX+uNYJ/9mZ5s0LEYHzQE1AlNwz7+zlKMQJ ByiSs+TRDEWvintB1BXtba5W/IE1uqkieZp4NFmwIddvTGj9DCz0ST3eLhyJX7Jd RBR3HH83SOR1T1Nis+rIMSMurgSzMo+XH4w2G0+Bo3KAujqyZAnxu/TczTeEtvR1 5fbpVG7KBtKOLsCPHGAzOP5YRj/Y1M7toAIANZpgStn5rqgQIvdS2JiWFfYs4MWU fdGAO+mTfuXpfZwUt8IVFZ0cC56z6mJ8RRUEHhk+M0N7CdD2Jps= =zSj6 -----END PGP SIGNATURE----- Merge tag 'pstore-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore fix from Kees Cook: "Fix a CONFIG typo (Jiri Bohac)" * tag 'pstore-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: Fix typo in compression option name |
||
|
Linus Torvalds
|
f7b36dc5cb |
fsverity updates for 5.12
Add an ioctl which allows reading fs-verity metadata from a file. This is useful when a file with fs-verity enabled needs to be served somewhere, and the other end wants to do its own fs-verity compatible verification of the file. See the commit messages for details. This new ioctl has been tested using new xfstests I've written for it. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCYCv/2hQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK6/7AQDRmmnV+G34yGPCWfu8tyjdYvWPyak2 IA/I+eM6S/F+4QEAkbX6rOwYVhLHN9KSOYyNhJiBchm6xq83J+R8BYh/Kw0= =FPNK -----END PGP SIGNATURE----- Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt Pull fsverity updates from Eric Biggers: "Add an ioctl which allows reading fs-verity metadata from a file. This is useful when a file with fs-verity enabled needs to be served somewhere, and the other end wants to do its own fs-verity compatible verification of the file. See the commit messages for details. This new ioctl has been tested using new xfstests I've written for it" * tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fs-verity: support reading signature with ioctl fs-verity: support reading descriptor with ioctl fs-verity: support reading Merkle tree with ioctl fs-verity: add FS_IOC_READ_VERITY_METADATA ioctl fs-verity: don't pass whole descriptor to fsverity_verify_signature() fs-verity: factor out fsverity_get_descriptor() |
||
|
Linus Torvalds
|
99f1a5872b |
Highlights:
- Update NFSv2 and NFSv3 XDR decoding functions - Further improve support for re-exporting NFS mounts - Convert NFSD stats to per-CPU counters - Add batch Receive posting to the server's RPC/RDMA transport -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmAYVsAACgkQM2qzM29m f5f1Lg/+IBC7Bhnnc8jNr4nv4IntCwwKdx2VzSzQszbN/kkhLZK89u36nZyqp0RB Vg3olyS5DseEisMMx0rI0KkHBz7pz+kXVdOGvve8fHBZvewnJ/FpxNZPChG4aMDc mfjHLvDHO0/GoUqSftrBrjSEJ2jHoNdDcmvzgdAlugTuLOjGX3HhmKa3ZYVTNgFn kDmFMaEHjS3pb3LqNDHNIYYpNnvtIukxHUh9weDvr+AH8Rmt/WVfjDc26xBS0FQu jDJUk9AP06VYgZx0dLKp4In8GJYwz9DNjNrWm91+RyJml9AWrFswdBHHcfi0W/Yy GipkBZGYE6ZblyMlITZCB4etyHQsq7qLuqicTlcXjL/Fdkd7xlT8DwFlZ8LjpyCU LeHTI2cGzRSJ/JjL2hvhPvT3gR5hln/qk17jSP7V4S6psZAqAEvw/Xa/+MDJhB/b vnzltFPvEgZc59Q/SJLbaWZLHy1q0enbrOBLMZDmUlk911/tgAuflHJM60N8o732 vkfy05pvZlrV0cFY546pQd7zTKZcAOYPVHHoP25wPa2ibKBu6eQ6kZEi5zu+tVK3 CkvqIhePFspBMQ6GOPKixTiFV4KFoO1HBtk+JEeMkiHXHk1xATCWbg1m7wkaagsq NNS/qFkLRnftGYpFViBaxTFBGxiBOSbsTIS/zfj5L7JOpW4FRD4= =02xw -----END PGP SIGNATURE----- Merge tag 'nfsd-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: - Update NFSv2 and NFSv3 XDR decoding functions - Further improve support for re-exporting NFS mounts - Convert NFSD stats to per-CPU counters - Add batch Receive posting to the server's RPC/RDMA transport * tag 'nfsd-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (65 commits) nfsd: skip some unnecessary stats in the v4 case nfs: use change attribute for NFS re-exports NFSv4_2: SSC helper should use its own config. nfsd: cstate->session->se_client -> cstate->clp nfsd: simplify nfsd4_check_open_reclaim nfsd: remove unused set_client argument nfsd: find_cpntf_state cleanup nfsd: refactor set_client nfsd: rename lookup_clientid->set_client nfsd: simplify nfsd_renew nfsd: simplify process_lock nfsd4: simplify process_lookup1 SUNRPC: Correct a comment svcrdma: DMA-sync the receive buffer in svc_rdma_recvfrom() svcrdma: Reduce Receive doorbell rate svcrdma: Deprecate stat variables that are no longer used svcrdma: Restore read and write stats svcrdma: Convert rdma_stat_sq_starve to a per-CPU counter svcrdma: Convert rdma_stat_recv to a per-CPU counter svcrdma: Refactor svc_rdma_init() and svc_rdma_clean_up() ... |
||
|
Linus Torvalds
|
681e2abe21 |
Changes since last update:
- fix shift-out-of-bounds of crafted blkszbits generated by syzkaller; - ensure initialized fields can only be observed after bit is set. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQThPAmQN9sSA0DVxtI5NzHcH7XmBAUCYC5qFBUcaHNpYW5na2Fv QHJlZGhhdC5jb20ACgkQOTcx3B+15gT4PwD/W8BGqC3/uBC6qGJuNkRteFmaIDvB EplXizcZ+6ennkkBAIbbEsFx8K3TM/tg45YqV+ebjRbsH4NG1owVqb8ZAc0M =Ni8F -----END PGP SIGNATURE----- Merge tag 'erofs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "This contains a somewhat important but rarely reproduced fix reported month ago for platforms which have weak memory model (e.g. arm64). The root cause is that test_bit/set_bit atomic operations are actually implemented in relaxed forms, and uninitialized fields governed by an atomic bit could be observed in advance due to memory reordering thus memory barrier pairs should be used. There is also a trivial fix of crafted blkszbits generated by syzkaller. Summary: - fix shift-out-of-bounds of crafted blkszbits generated by syzkaller - ensure initialized fields can only be observed after bit is set" * tag 'erofs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: initialized fields can only be observed after bit is set erofs: fix shift-out-of-bounds of blkszbits |
||
|
Linus Torvalds
|
8b42fe123b |
f2fs-for-5.12-rc1
We've added two major features: 1) compression level and 2) checkpoint_merge, in
this round. 1) compression level expands 'compress_algorithm' mount option to
accept parameter as format of <algorithm>:<level>, by this way, it gives a way
to allow user to do more specified config on lz4 and zstd compression level,
then f2fs compression can provide higher compress ratio. 2) checkpoint_merge
creates a kernel daemon and makes it to merge concurrent checkpoint requests as
much as possible to eliminate redundant checkpoint issues. Plus, we can
eliminate the sluggish issue caused by slow checkpoint operation when the
checkpoint is done in a process context in a cgroup having low i/o budget and
cpu shares.
Enhancement:
- add compress level for lz4 and zstd in mount option
- checkpoint_merge mount option
- deprecate f2fs_trace_io
Bug fix:
- flush data when enabling checkpoint back
- handle corner cases of mount options
- missing ACL update and lock for I_LINKABLE flag
- attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
- fix potential deadlock in compression flow
- fix wrong submit_io condition
As usual, we've cleaned up many code flows and fixed minor bugs.
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Merge tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"We've added two major features: 1) compression level and 2)
checkpoint_merge, in this round.
Compression level expands 'compress_algorithm' mount option to accept
parameter as format of <algorithm>:<level>, by this way, it gives a
way to allow user to do more specified config on lz4 and zstd
compression level, then f2fs compression can provide higher compress
ratio.
checkpoint_merge creates a kernel daemon and makes it to merge
concurrent checkpoint requests as much as possible to eliminate
redundant checkpoint issues. Plus, we can eliminate the sluggish issue
caused by slow checkpoint operation when the checkpoint is done in a
process context in a cgroup having low i/o budget and cpu shares.
Enhancements:
- add compress level for lz4 and zstd in mount option
- checkpoint_merge mount option
- deprecate f2fs_trace_io
Bug fixes:
- flush data when enabling checkpoint back
- handle corner cases of mount options
- missing ACL update and lock for I_LINKABLE flag
- attach FIEMAP_EXTENT_MERGED in f2fs_fiemap
- fix potential deadlock in compression flow
- fix wrong submit_io condition
As usual, we've cleaned up many code flows and fixed minor bugs"
* tag 'f2fs-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (32 commits)
Documentation: f2fs: fix typo s/automaic/automatic
f2fs: give a warning only for readonly partition
f2fs: don't grab superblock freeze for flush/ckpt thread
f2fs: add ckpt_thread_ioprio sysfs node
f2fs: introduce checkpoint_merge mount option
f2fs: relocate inline conversion from mmap() to mkwrite()
f2fs: fix a wrong condition in __submit_bio
f2fs: remove unnecessary initialization in xattr.c
f2fs: fix to avoid inconsistent quota data
f2fs: flush data when enabling checkpoint back
f2fs: deprecate f2fs_trace_io
f2fs: Remove readahead collision detection
f2fs: remove unused stat_{inc, dec}_atomic_write
f2fs: introduce sb_status sysfs node
f2fs: fix to use per-inode maxbytes
f2fs: compress: fix potential deadlock
libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()
f2fs: fix to set/clear I_LINKABLE under i_lock
f2fs: fix null page reference in redirty_blocks
f2fs: clean up post-read processing
...
|
||
|
Linus Torvalds
|
6f3952cbe0 |
for-5.12-tag
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Merge tag 'for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This brings updates of space handling, performance improvements or bug
fixes. The subpage block size and zoned mode features have reached
state where they're usable but with limitations.
Performance or related:
- do not block on deleted block group mutex in the cleaner, avoids
some long stalls
- improved flushing: make it work better with ticket space
reservations and avoid excessive transaction commits in some
scenarios, slightly improves throughput for random write load
- preemptive background flushing: separate the logic from ticket
reservations, improve the accounting and decisions when to flush in
low space conditions
- less lock contention related to running delayed refs, let just one
thread do the flushing when there are many inside transaction
commit
- dbench workload improvements: avoid unnecessary work when logging
inodes, fewer fallbacks to transaction commit and thus less waiting
for it (+7% throughput, -20% latency)
Core:
- subpage block size
- currently read-only support
- refactor and generalize code where sectorsize is assumed to be
page size, add the subpage handling everywhere
- the read-write support is on the way, page sizes are still
limited to 4K or 64K
- zoned mode, first working version but with limitations
- SMR/ZBC/ZNS friendly allocation mode, utilizing the "no fixed
location for structures" and chunked allocation
- superblock as the only fixed data structure needs special
handling, uses 2 consecutive zones as a ring buffer
- tree-log support with a dedicated block group to avoid unordered
writes
- emulated zones on non-zoned devices
- not yet working
- all non-single block group profiles, requires more zone write
pointer synchronization between the multiple block groups
- fitrim due to dependency on space cache, can be implemented
Fixes:
- ref-verify: proper tree owner and node level tracking
- fix pinned byte accounting, causing some early ENOSPC now more
likely due to other changes in delayed refs
Other:
- error handling fixes and improvements
- more error injection points
- more function documentation
- more and updated tracepoints
- subset of W=1 checked by default
- update comments to allow more automatic kdoc parameter checks"
* tag 'for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (144 commits)
btrfs: zoned: enable to mount ZONED incompat flag
btrfs: zoned: deal with holes writing out tree-log pages
btrfs: zoned: reorder log node allocation on zoned filesystem
btrfs: zoned: serialize log transaction on zoned filesystems
btrfs: zoned: extend zoned allocator to use dedicated tree-log block group
btrfs: split alloc_log_tree()
btrfs: zoned: relocate block group to repair IO failure in zoned filesystems
btrfs: zoned: enable relocation on a zoned filesystem
btrfs: zoned: support dev-replace in zoned filesystems
btrfs: zoned: implement copying for zoned device-replace
btrfs: zoned: implement cloning for zoned device-replace
btrfs: zoned: mark block groups to copy for device-replace
btrfs: zoned: do not use async metadata checksum on zoned filesystems
btrfs: zoned: wait for existing extents before truncating
btrfs: zoned: serialize metadata IO
btrfs: zoned: introduce dedicated data write path for zoned filesystems
btrfs: zoned: enable zone append writing for direct IO
btrfs: zoned: use ZONE_APPEND write for zoned mode
btrfs: save irq flags when looking up an ordered extent
btrfs: zoned: cache if block group is on a sequential zone
...
|
||
|
Linus Torvalds
|
f9d58de231 |
affs-for-5.12-tag
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||
|
Linus Torvalds
|
d88e8b67a6 |
A few jfs fixes
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEIodevzQLVs53l6BhNqiEXrVAjGQFAmAqmbYACgkQNqiEXrVA jGSf9A/7BatjusxdjAQ3pF8xROzVl3+xZR/uG7NZFvhh7X8/Gm+/DIPH4MIpI99s gaQLCOPaBz3s7ZAK+LYMyJ6/Ko0e1tgBWXCVNdm24bc5ETNbT68NNWiqsKw+HG/q iVf/2n2PIgeDWjwkXfuOnYK6vpisl6l5gst8d2aIorPHk2oE9qTvylxmTBg114dP 6gJEyNnokrqo9oVPoEGwFsDIOigM0QSrreiBtzb5+8nWxd366VoOh8zznehPjGAs C2MiKxQYOTub7AcyKdnuOwrWjmWiHHhkXq2w33QVZKSVU2m0Uoa7XkA75n+PE6GT ypxUopxNZmQu3WB7BzkoZB6zsNHdyCbp9RdFtzLO2o1eKj8B2yvSTrp8TmSd8ReM 4Wi3CjVjVQcGyFgbng6071h5eRfXpxuFg4blGscFnttkHGaKNGtmklhie2qQAPiJ ToV1bdam7CuvlMsOSX+DSFM7ZZbnLFlvcD8eDAztMKPWim1qgkMiY6tumSLPAGrj 9N02IIET9Iixx0BE9/HeauU3/0CTbgNwRBqBTqwBBYH9RTER4B3/+4ouWM7aLsNJ ky/d4IB+QGXgVTbNj+FCo2dyCc3tLy/TZvY/uIq7QBNEqTuLmGwGl71BuZIvWYEV hM4oHmV//ncgBFDM8a+cWp+saDkI2CRVJTAn/pd1vIPZRWgVwgM= =ESGZ -----END PGP SIGNATURE----- Merge tag 'jfs-5.12' of git://github.com/kleikamp/linux-shaggy Pull jfs updates from David Kleikamp: "A few jfs fixes" * tag 'jfs-5.12' of git://github.com/kleikamp/linux-shaggy: fs/jfs: fix potential integer overflow on shift of a int jfs: turn diLog(), dataLog() and txLog() into void functions JFS: more checks for invalid superblock |
||
|
Linus Torvalds
|
961a9b512d |
fcntl() fix for v5.12
-----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEES8DXskRxsqGE6vXTAA5oQRlWghUFAmAqXhITHGpsYXl0b25A a2VybmVsLm9yZwAKCRAADmhBGVaCFc2CEAC2WgxNFYXUINTo8FzmgYquLrVfj04X ecXUJwOJBUQjg+F46OENufh0uREI9DmwlW9RWQAwiVBecLK24vz0WBhKOi/88JhG 8S1I2YL3zIBbnOyBKwAiuK7y3uAQswvKRFRzaY7+aFxVvagDO2YC0l4QCdg3WDp/ n9es8OksUR04ztMYLn6qT1xHb1pWXUmHeYiGzmhgWBwyPygs5OxSP+y2qmDkj08l o64f3GdUZivF6tT7m7rBDrx9pzUha8oqEw8+LDgiUEaq7ZeMVxHSuFVNHW7fCWVH ICLfeZPUEZgdMD0w2v5+z/jpy8H4tm2bWNtOWxba1uQoUj5cHrPVuYXSSU1rt5SP +yHCSyr4eEfR211d7j/U+v/O+WwJCFHRxzE9PdUpi6VlMnuTVkBhrbSGMtBiQRv7 UUwXN3JLRPO63d1D2rfpqxMspZpp5e70TpWKXYLQ69Fl1j0GcF1eLfnKsHPZld8C Uqfa+CUwRDJKEpnprVn0BOHUlWoPHu4pUIz/gf52pN2v+mTAziZA7WHdxR30V8Pm H1VAhRX+rPNXsjHzc9TuQK+IsaDenKHRyBOrteBS0TT1hBLF+pe0ocOVgMSP+H3w p0BL3bVf6gToKRZMnT5+L5GA0Zp1PIQCODyjfSRxQGtNNumnGr/vmZsGka0j3gIW JO6I+6fsEr0TEg== =hsmB -----END PGP SIGNATURE----- Merge tag 'locks-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux Pull fcntl fix from Jeff Layton. * tag 'locks-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: fcntl: make F_GETOWN(EX) return 0 on dead owner task |
||
|
Linus Torvalds
|
c57b1f0a5f |
Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull namei updates from Al Viro: "Most of that pile is LOOKUP_CACHED series; the rest is a couple of misc cleanups in the general area... There's a minor bisect hazard in the end of series, and normally I would've just folded the fix into the previous commit, but this branch is shared with Jens' tree, with stuff on top of it in there, so that would've required rebases outside of vfs.git" * 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix handling of nd->depth on LOOKUP_CACHED failures in try_to_unlazy* fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED fs: add support for LOOKUP_CACHED saner calling conventions for unlazy_child() fs: make unlazy_walk() error handling consistent fs/namei.c: Remove unlikely of status being -ECHILD in lookup_fast() do_tmpfile(): don't mess with finish_open() |
||
|
Linus Torvalds
|
591fd30eee |
Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull ELF compat updates from Al Viro:
"Sanitizing ELF compat support, especially for triarch architectures:
- X32 handling cleaned up
- MIPS64 uses compat_binfmt_elf.c both for O32 and N32 now
- Kconfig side of things regularized
Eventually I hope to have compat_binfmt_elf.c killed, with both native
and compat built from fs/binfmt_elf.c, with -DELF_BITS={64,32} passed
by kbuild, but that's a separate story - not included here"
* 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
get rid of COMPAT_ELF_EXEC_PAGESIZE
compat_binfmt_elf: don't bother with undef of ELF_ARCH
Kconfig: regularize selection of CONFIG_BINFMT_ELF
mips compat: switch to compat_binfmt_elf.c
mips: don't bother with ELF_CORE_EFLAGS
mips compat: don't bother with ELF_ET_DYN_BASE
mips: KVM_GUEST makes no sense for 64bit builds...
mips: kill unused definitions in binfmt_elf[on]32.c
mips binfmt_elf*32.c: use elfcore-compat.h
x32: make X32, !IA32_EMULATION setups able to execute x32 binaries
[amd64] clean PRSTATUS_SIZE/SET_PR_FPVALID up properly
elf_prstatus: collect the common part (everything before pr_reg) into a struct
binfmt_elf: partially sanitize PRSTATUS_SIZE and SET_PR_FPVALID
|
||
|
Linus Torvalds
|
054560e961 |
Merge branch 'work.sendfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull sendfile updates from Al Viro: "Make sendfile() to pipe destination do the right thing, should make 'fs/pipe: allow sendfile() to pipe again' redundant" * 'work.sendfile' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: teach sendfile(2) to handle send-to-pipe directly take the guts of file-to-pipe splice into a helper function do_splice_to(): move the logics for limiting the read length in |
||
|
Linus Torvalds
|
55f62bc873 |
PNP updates for 5.12-rc1
- Add printf annotation to a logging function (Tom Rix).
- Use DEFINE_SPINLOCK() for defining a spinlock so as to initialize
it statically (Zheng Yongjun).
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Merge tag 'pnp-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull PNP updates from Rafael Wysocki:
"These make two janitorial changes of the code.
Specifics:
- Add printf annotation to a logging function (Tom Rix)
- Use DEFINE_SPINLOCK() for defining a spinlock so as to initialize
it statically (Zheng Yongjun)"
* tag 'pnp-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PNP: pnpbios: Use DEFINE_SPINLOCK() for spinlock
PNP: add printf attribute to log function
|
||
|
Linus Torvalds
|
3c8f504b3a |
ACPI updates for 5.12-rc1
- Update ACPICA code in the kernel to upstream revision 20201113
with changes as follows:
* Remove the MTMR (Mid-Timer) table (Al Stone).
* Remove the VRTC table (Al Stone).
* Add type casts for string functions (Bob Moore).
* Update all copyrights to 2021 (Bob Moore).
* Fix exception code class checks (Maximilian Luz).
* Clean up exception code class checks (Maximilian Luz).
* Fix -Wfallthrough (Nick Desaulniers).
- Add support for setting and reading global profile of the platform
along with documentation (Mark Pearson, Hans de Goede, Jiaxun Yang).
- Fix fwnode properties matching and clean up the code handling
device properties and its documentation (Rafael Wysocki, Andy
Shevchenko).
- Clean up ACPI-based device enumeration code (Rafael Wysocki).
- Clean up the CPPC support library code (Ionela Voinescu).
- Clean up the APEI support code (Yang Li, Yazen Ghannam).
- Update GPIO-related properties documentation (Flavio Suligoi).
- Consolidate and clean up the printing of messages in several
places (Rafael Wysocki).
- Fix error code path in configfs handling code (Qinglang Miao).
- Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).
- Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
multiple places (Bjorn Helgaas).
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Merge tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20210105, fix and clean up the handling of device properties, add
support for setting global profile of the platform, clean up device
enumeration, the CPPC library, the APEI support and more, update the
documentation, consolidate the printing of messages in several places
and make assorted janitorial changes.
Specifics:
- Update ACPICA code in the kernel to upstream revision 20201113 with
changes as follows:
* Remove the MTMR (Mid-Timer) table (Al Stone).
* Remove the VRTC table (Al Stone).
* Add type casts for string functions (Bob Moore).
* Update all copyrights to 2021 (Bob Moore).
* Fix exception code class checks (Maximilian Luz).
* Clean up exception code class checks (Maximilian Luz).
* Fix -Wfallthrough (Nick Desaulniers).
- Add support for setting and reading global profile of the platform
along with documentation (Mark Pearson, Hans de Goede, Jiaxun
Yang).
- Fix fwnode properties matching and clean up the code handling
device properties and its documentation (Rafael Wysocki, Andy
Shevchenko).
- Clean up ACPI-based device enumeration code (Rafael Wysocki).
- Clean up the CPPC support library code (Ionela Voinescu).
- Clean up the APEI support code (Yang Li, Yazen Ghannam).
- Update GPIO-related properties documentation (Flavio Suligoi).
- Consolidate and clean up the printing of messages in several places
(Rafael Wysocki).
- Fix error code path in configfs handling code (Qinglang Miao).
- Use DEVICE_ATTR_<RW|RO|WO> macros where applicable (Dwaipayan Ray).
- Replace tests for !ACPI_FAILURE with tests for ACPI_SUCCESS in
multiple places (Bjorn Helgaas)"
* tag 'acpi-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
ACPI: property: Satisfy kernel doc validator (part 2)
ACPI: property: Satisfy kernel doc validator (part 1)
ACPI: property: Make acpi_node_prop_read() static
ACPI: property: Remove dead code
ACPI: property: Fix fwnode string properties matching
ACPI: OSL: Clean up printing messages
ACPI: OSL: Rework acpi_check_resource_conflict()
ACPI: APEI: ERST: remove unneeded semicolon
ACPI: thermal: Clean up printing messages
ACPI: video: Clean up printing messages
ACPI: button: Clean up printing messages
ACPI: battery: Clean up printing messages
ACPI: AC: Clean up printing messages
ACPI: bus: Drop ACPI_BUS_COMPONENT which is not used any more
ACPI: utils: Clean up printing messages
ACPI: scan: Clean up printing messages
ACPI: bus: Clean up printing messages
ACPI: PM: Clean up printing messages
ACPI: power: Clean up printing messages
ACPI: APEI: Add is_generic_error() to identify GHES sources
...
|
||
|
Linus Torvalds
|
02f9fc286e |
Power management updates for 5.12-rc1
- Add new power capping facility called DTPM (Dynamic Thermal Power
Management), based on the existing power capping framework, to
allow aggregate power constraints to be applied to sets of devices
in a distributed manner, along with a CPU backend driver based on
the Energy Model (Daniel Lezcano, Dan Carpenter, Colin Ian King).
- Add AlderLake Mobile support to the Intel RAPL power capping
driver and make it use the topology interface when laying out the
system topology (Zhang Rui, Yunfeng Ye).
- Drop the cpufreq tango driver belonging to a platform that is not
supported any more (Arnd Bergmann).
- Drop the redundant CPUFREQ_STICKY and CPUFREQ_PM_NO_WARN cpufreq
driver flags (Viresh Kumar).
- Update cpufreq drivers:
* Fix max CPU frequency discovery in the intel_pstate driver and
make janitorial changes in it (Chen Yu, Rafael Wysocki, Nigel
Christian).
* Fix resource leaks in the brcmstb-avs-cpufreq driver (Christophe
JAILLET).
* Make the tegra20 driver use the resource-managed API (Dmitry
Osipenko).
* Enable boost support in the qcom-hw driver (Shawn Guo).
- Update the operating performance points (OPP) framework:
* Clean up the OPP core (Dmitry Osipenko, Viresh Kumar).
* Extend the OPP API by adding new helpers to it (Dmitry Osipenko,
Viresh Kumar).
* Allow required OPPs to be used for devfreq devices and update
the devfreq governor code accordingly (Saravana Kannan).
* Prepare the framework for introducing new dev_pm_opp_set_opp()
helper (Viresh Kumar).
* Drop dev_pm_opp_set_bw() and update related drivers (Viresh
Kumar).
* Allow lazy linking of required-OPPs (Viresh Kumar).
- Simplify and clean up devfreq somewhat (Lukasz Luba, Yang Li,
Pierre Kuo).
- Update the generic power domains (genpd) framework:
* Use device's next wakeup to determine domain idle state (Lina
Iyer).
* Improve initialization and debug (Dmitry Osipenko).
* Simplify computations (Abaci Team).
- Make janitorial changes in the core code handling system sleep
and PM-runtime (Bhaskar Chowdhury, Bjorn Helgaas, Rikard Falkeborn,
Zqiang).
- Update the MAINTAINERS entry for the exynos cpuidle driver and
drop DEBUG definition from intel_idle (Krzysztof Kozlowski, Tom
Rix).
- Extend the PM clock layer to cover clocks that must sleep (Nicolas
Pitre).
- Update the cpupower utility:
* Update cpupower command, add support for AMD family 0x19 and clean
up the code to remove many of the family checks to make future
family updates easier (Nathan Fontenot, Robert Richter).
* Add Makefile dependencies for install targets to allow building
cpupower in parallel rather than serially (Ivan Babrou).
- Make janitorial changes in power management Kconfig (Lukasz Luba).
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Merge tag 'pm-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add a new power capping facility allowing aggregate power
constraints to be applied to sets of devices in a distributed manner,
add a new CPU ID to the RAPL power capping driver and improve it, drop
a cpufreq driver belonging to a platform that is not supported any
more, drop two redundant cpufreq driver flags, update cpufreq drivers
(intel_pstate, brcmstb-avs, qcom-hw), update the operating performance
points (OPP) framework (code cleanups, new helpers, devfreq-related
modifications), clean up devfreq, extend the PM clock layer, update
the cpupower utility and make assorted janitorial changes.
Specifics:
- Add new power capping facility called DTPM (Dynamic Thermal Power
Management), based on the existing power capping framework, to
allow aggregate power constraints to be applied to sets of devices
in a distributed manner, along with a CPU backend driver based on
the Energy Model (Daniel Lezcano, Dan Carpenter, Colin Ian King).
- Add AlderLake Mobile support to the Intel RAPL power capping driver
and make it use the topology interface when laying out the system
topology (Zhang Rui, Yunfeng Ye).
- Drop the cpufreq tango driver belonging to a platform that is not
supported any more (Arnd Bergmann).
- Drop the redundant CPUFREQ_STICKY and CPUFREQ_PM_NO_WARN cpufreq
driver flags (Viresh Kumar).
- Update cpufreq drivers:
* Fix max CPU frequency discovery in the intel_pstate driver and
make janitorial changes in it (Chen Yu, Rafael Wysocki, Nigel
Christian).
* Fix resource leaks in the brcmstb-avs-cpufreq driver (Christophe
JAILLET).
* Make the tegra20 driver use the resource-managed API (Dmitry
Osipenko).
* Enable boost support in the qcom-hw driver (Shawn Guo).
- Update the operating performance points (OPP) framework:
* Clean up the OPP core (Dmitry Osipenko, Viresh Kumar).
* Extend the OPP API by adding new helpers to it (Dmitry Osipenko,
Viresh Kumar).
* Allow required OPPs to be used for devfreq devices and update
the devfreq governor code accordingly (Saravana Kannan).
* Prepare the framework for introducing new dev_pm_opp_set_opp()
helper (Viresh Kumar).
* Drop dev_pm_opp_set_bw() and update related drivers (Viresh
Kumar).
* Allow lazy linking of required-OPPs (Viresh Kumar).
- Simplify and clean up devfreq somewhat (Lukasz Luba, Yang Li,
Pierre Kuo).
- Update the generic power domains (genpd) framework:
* Use device's next wakeup to determine domain idle state (Lina
Iyer).
* Improve initialization and debug (Dmitry Osipenko).
* Simplify computations (Abaci Team).
- Make janitorial changes in the core code handling system sleep and
PM-runtime (Bhaskar Chowdhury, Bjorn Helgaas, Rikard Falkeborn,
Zqiang).
- Update the MAINTAINERS entry for the exynos cpuidle driver and drop
DEBUG definition from intel_idle (Krzysztof Kozlowski, Tom Rix).
- Extend the PM clock layer to cover clocks that must sleep (Nicolas
Pitre).
- Update the cpupower utility:
* Update cpupower command, add support for AMD family 0x19 and
clean up the code to remove many of the family checks to make
future family updates easier (Nathan Fontenot, Robert Richter).
* Add Makefile dependencies for install targets to allow building
cpupower in parallel rather than serially (Ivan Babrou).
- Make janitorial changes in power management Kconfig (Lukasz Luba)"
* tag 'pm-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (89 commits)
MAINTAINERS: cpuidle: exynos: include header in file pattern
powercap: intel_rapl: Use topology interface in rapl_init_domains()
powercap: intel_rapl: Use topology interface in rapl_add_package()
PM: sleep: Constify static struct attribute_group
PM: Kconfig: remove unneeded "default n" options
PM: EM: update Kconfig description and drop "default n" option
cpufreq: Remove unused flag CPUFREQ_PM_NO_WARN
cpufreq: Remove CPUFREQ_STICKY flag
PM / devfreq: Add required OPPs support to passive governor
PM / devfreq: Cache OPP table reference in devfreq
OPP: Add function to look up required OPP's for a given OPP
PM / devfreq: rk3399_dmc: Remove unneeded semicolon
opp: Replace ENOTSUPP with EOPNOTSUPP
opp: Fix "foo * bar" should be "foo *bar"
opp: Don't ignore clk_get() errors other than -ENOENT
opp: Update bandwidth requirements based on scaling up/down
opp: Allow lazy-linking of required-opps
opp: Remove dev_pm_opp_set_bw()
devfreq: tegra30: Migrate to dev_pm_opp_set_opp()
drm: msm: Migrate to dev_pm_opp_set_opp()
...
|
||
|
Linus Torvalds
|
5d99aa093b |
Staging/IIO driver patches for 5.12-rc1
Here is the "big" set of staging and IIO driver patches for 5.12-rc1. Nothing really huge in here, the number of staging tree patches has gone down for a bit, maybe there's only so much churn to happen in here at the moment. The IIO changes are: - new drivers - new DT bindings - new iio driver features with full details in the shortlog. The staging driver patches are just a lot of tiny coding style cleanups, along with some semi-larger hikey driver cleanups as those are _almost_ good enough to get out of the staging tree, but will probably have to wait until 5.13 to have happen. All of these have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYCqelQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymIDQCguWtPGy6U1sgaL3GAK/ROt2aet3wAn3TP1WgB GeKAKKPshu3cskYQzlou =UPZR -----END PGP SIGNATURE----- Merge tag 'staging-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging and IIO driver updates from Greg KH: "Here is the "big" set of staging and IIO driver patches for 5.12-rc1. Nothing really huge in here, the number of staging tree patches has gone down for a bit, maybe there's only so much churn to happen in here at the moment. The IIO changes are: - new drivers - new DT bindings - new iio driver features with full details in the shortlog. The staging driver patches are just a lot of tiny coding style cleanups, along with some semi-larger hikey driver cleanups as those are _almost_ good enough to get out of the staging tree, but will probably have to wait until 5.13 to have happen. All of these have been in linux-next with no reported issues" * tag 'staging-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (189 commits) staging: hikey9xx: Fix alignment of function parameters staging: greybus: Fixed a misspelling in hid.c staging: wimax/i2400m: fix some byte order issues found by sparse staging: wimax: i2400m: fix some incorrect type warnings staging: greybus: minor code style fix staging:wlan-ng: use memdup_user instead of kmalloc/copy_from_user staging:r8188eu: use IEEE80211_FCTL_* kernel definitions staging: rtl8192e: remove multiple blank lines staging: greybus: Fixed alignment issue in hid.c staging: wfx: remove unused included header files staging: nvec: minor coding style fix staging: wimax: Fix some coding style problem staging: fbtft: add tearing signal detect staging: vt6656: Fixed issue with alignment in rf.c staging: qlge: Remove duplicate word in comment staging: rtl8723bs: remove obsolete commented out code staging: rtl8723bs: fix function comments to follow kernel-doc staging: wfx: avoid defining array of flexible struct staging: rtl8723bs: Replace one-element array with flexible-array member in struct ndis_80211_var_ie staging: Replace lkml.org links with lore ... |
||
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Linus Torvalds
|
780607b973 |
USB/Thunderbolt patches for 5.12-rc1
Here is the big set of USB and Thunderbolt driver changes for 5.12-rc1. It's been an active set of development in these subsystems for the past few months: - loads of typec features added for new hardware - xhci features and bugfixes - dwc3 features added for more hardware support - dwc2 fixes and new hardware support - cdns3 driver updates for more hardware support - gadget driver cleanups and minor fixes - usb-serial fixes, new driver, and more devices supported - thunderbolt feature additions for new hardware - lots of other tiny fixups and additions The chrome driver changes are in here as well, as they depended on some of the typec changes, and the maintainer acked them. All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYCqf5Q8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykZhQCgoDMMu9YZZI8chWVlIbDYiHxG520An1SlbwDb hRh87fsQFkwWk06Bp9AQ =LmS1 -----END PGP SIGNATURE----- Merge tag 'usb-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB and Thunderbolt updates from Greg KH: "Here is the big set of USB and Thunderbolt driver changes for 5.12-rc1. It's been an active set of development in these subsystems for the past few months: - loads of typec features added for new hardware - xhci features and bugfixes - dwc3 features added for more hardware support - dwc2 fixes and new hardware support - cdns3 driver updates for more hardware support - gadget driver cleanups and minor fixes - usb-serial fixes, new driver, and more devices supported - thunderbolt feature additions for new hardware - lots of other tiny fixups and additions The chrome driver changes are in here as well, as they depended on some of the typec changes, and the maintainer acked them. All of these have been in linux-next for a while with no reported issues" * tag 'usb-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (300 commits) dt-bindings: usb: mediatek: musb: add mt8516 compatbile dt-bindings: usb: mtk-xhci: add compatible for mt2701 and mt7623 dt-bindings: usb: mtk-xhci: add optional assigned clock properties Documentation: connector: Update the description of sink-vdos usb: misc: usb3503: Fix logic in usb3503_init() dt-bindings: usb: usb-device: fix typo in required properties usb: Replace lkml.org links with lore dt-bindings: usb: dwc3: add description for rk3328 dt-bindings: usb: convert rockchip,dwc3.txt to yaml usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable USB: quirks: sort quirk entries USB: serial: drop bogus to_usb_serial_port() checks USB: serial: make remove callback return void USB: serial: drop if with an always false condition usb: gadget: Assign boolean values to a bool variable usb: typec: tcpm: Get Sink VDO from fwnode dt-bindings: connector: Add SVDM VDO properties usb: typec: displayport: Fill the negotiated SVDM Version in the header usb: typec: ucsi: Determine common SVDM Version usb: typec: tcpm: Determine common SVDM Version ... |
||
|
Linus Torvalds
|
e4286926ab |
TTY/Serial driver changes for 5.12-rc1
Here is the big set of tty/serial driver changes for 5.12-rc1. Nothing huge, just lots of good cleanups and additions: - Your n_tty line discipline cleanups - vt core cleanups and reworks to make the code more "modern" - stm32 driver additions - tty led support added to the tty core and led layer - minor serial driver fixups and additions All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYCqgqw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymJYQCgnxHmkhzJ2VarTDR3cWm1gu0NU7AAoNe5wWUh 4TQbhB9LSNo78HnIVze0 =Chcg -----END PGP SIGNATURE----- Merge tag 'tty-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver updates from Greg KH: "Here is the big set of tty/serial driver changes for 5.12-rc1. Nothing huge, just lots of good cleanups and additions: - n_tty line discipline cleanups - vt core cleanups and reworks to make the code more "modern" - stm32 driver additions - tty led support added to the tty core and led layer - minor serial driver fixups and additions All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (54 commits) serial: core: Remove BUG_ON(in_interrupt()) check vt_ioctl: Remove in_interrupt() check dt-bindings: serial: imx: Switch to my personal address vt: keyboard, use new API for keyboard_tasklet serial: stm32: improve platform_get_irq condition handling in init_port serial: ifx6x60: Remove driver for deprecated platform tty: fix up iterate_tty_read() EOVERFLOW handling tty: fix up hung_up_tty_read() conversion tty: fix up hung_up_tty_write() conversion tty: teach the n_tty ICANON case about the new "cookie continuations" too tty: teach n_tty line discipline about the new "cookie continuations" tty: clean up legacy leftovers from n_tty line discipline tty: implement read_iter tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer serial: remove sirf prima/atlas driver serial: mxs-auart: Remove <asm/cacheflush.h> serial: mxs-auart: Remove serial_mxs_probe_dt() serial: fsl_lpuart: Use of_device_get_match_data() dt-bindings: serial: renesas,hscif: Add r8a779a0 support tty: serial: Drop unused efm32 serial driver ... |
||
|
Linus Torvalds
|
3342ff2698 |
tty: protect tty_write from odd low-level tty disciplines
Al root-caused a new warning from syzbot to the ttyprintk tty driver returning a write count larger than the data the tty layer actually gave it. Which confused the tty write code mightily, and with the new iov_iter based code, caused a WARNING in iov_iter_revert(). syzbot correctly bisected the source of the new warning to commit |