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One small core feature this time around but mostly driver improvements
and additions for SPI:
- Add support for controlling the idle state of MOSI, some systems can
support this and depending on the system integration may need it to
avoid glitching in some situations.
- Support for polling mode in the S3C64xx driver and DMA on the
Qualcomm QSPI driver.
- Support for several Allwinner SoCs, AMD Pensando Elba, Intel Mount
Evans, Renesas RZ/V2M, and ST STM32H7.
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Merge tag 'spi-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"One small core feature this time around but mostly driver improvements
and additions for SPI:
- Add support for controlling the idle state of MOSI, some systems
can support this and depending on the system integration may need
it to avoid glitching in some situations
- Support for polling mode in the S3C64xx driver and DMA on the
Qualcomm QSPI driver
- Support for several Allwinner SoCs, AMD Pensando Elba, Intel Mount
Evans, Renesas RZ/V2M, and ST STM32H7"
* tag 'spi-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (66 commits)
spi: dt-bindings: atmel,at91rm9200-spi: fix broken sam9x7 compatible
spi: dt-bindings: atmel,at91rm9200-spi: add sam9x7 compatible
spi: Add support for Renesas CSI
spi: dt-bindings: Add bindings for RZ/V2M CSI
spi: sun6i: Use the new helper to derive the xfer timeout value
spi: atmel: Prevent false timeouts on long transfers
spi: dt-bindings: stm32: do not disable spi-slave property for stm32f4-f7
spi: Create a helper to derive adaptive timeouts
spi: spi-geni-qcom: correctly handle -EPROBE_DEFER from dma_request_chan()
spi: stm32: disable spi-slave property for stm32f4-f7
spi: stm32: introduction of stm32h7 SPI device mode support
spi: stm32: use dmaengine_terminate_{a}sync instead of _all
spi: stm32: renaming of spi_master into spi_controller
spi: dw: Remove misleading comment for Mount Evans SoC
spi: dt-bindings: snps,dw-apb-ssi: Add compatible for Intel Mount Evans SoC
spi: dw: Add compatible for Intel Mount Evans SoC
spi: s3c64xx: Use dev_err_probe()
spi: s3c64xx: Use the managed spi master allocation function
spi: spl022: Probe defer is no error
spi: spi-imx: fix mixing of native and gpio chipselects for imx51/imx53/imx6 variants
...
This release is almost all drivers, there's some small improvements in
the core but otherwise everything is updates to drivers, mostly the
addition of new ones.
There's also a bunch of changes pulled in from the MFD subsystem as
dependencies, Rockchip and TI core MFD code that the regulator drivers
depend on.
I've also yet again managed to put a SPI commit in the regulator tree, I
don't know what it is about those two trees (this for spi-geni-qcom).
- Support for Renesas RAA215300, Rockchip RK808, Texas Instruments
TPS6594 and TPS6287x, and X-Powers AXP15060 and AXP313a
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Merge tag 'regulator-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This release is almost all drivers, there's some small improvements in
the core but otherwise everything is updates to drivers, mostly the
addition of new ones.
There's also a bunch of changes pulled in from the MFD subsystem as
dependencies, Rockchip and TI core MFD code that the regulator drivers
depend on.
I've also yet again managed to put a SPI commit in the regulator tree,
I don't know what it is about those two trees (this for
spi-geni-qcom).
Summary:
- Support for Renesas RAA215300, Rockchip RK808, Texas Instruments
TPS6594 and TPS6287x, and X-Powers AXP15060 and AXP313a"
* tag 'regulator-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (43 commits)
regulator: Add Renesas PMIC RAA215300 driver
regulator: dt-bindings: Add Renesas RAA215300 PMIC bindings
regulator: ltc3676: Use maple tree register cache
regulator: ltc3589: Use maple tree register cache
regulator: helper: Document ramp_delay parameter of regulator_set_ramp_delay_regmap()
regulator: mt6358: Use linear voltage helpers for single range regulators
regulator: mt6358: Const-ify mt6358_regulator_info data structures
regulator: mt6358: Drop *_SSHUB regulators
regulator: mt6358: Merge VCN33_* regulators
regulator: dt-bindings: mt6358: Drop *_sshub regulators
regulator: dt-bindings: mt6358: Merge ldo_vcn33_* regulators
regulator: dt-bindings: pwm-regulator: Add missing type for "pwm-dutycycle-unit"
regulator: Switch two more i2c drivers back to use .probe()
spi: spi-geni-qcom: Do not do DMA map/unmap inside driver, use framework instead
soc: qcom: geni-se: Add interfaces geni_se_tx_init_dma() and geni_se_rx_init_dma()
regulator: tps6594-regulator: Add driver for TI TPS6594 regulators
regulator: axp20x: Add AXP15060 support
regulator: axp20x: Add support for AXP313a variant
dt-bindings: pfuze100.yaml: Add an entry for interrupts
regulator: stm32-pwr: Fix regulator disabling
...
Another busy release for regmap with the second half fo the maple tree
register cache implementation, there's some smaller optimisations that
could be done but this should now be able to replace the rbtree cache
for most devices.
We also had a followup from Aidan MacDonald's refactoring of some of the
regmap-irq interfaces, the conversion is complete so the old interfaces
are removed. This means that even with the new features for the maple
tree cache we'd have a nice negative diffstat were it not for the
addition of a bunch more KUnit coverage.
There's one GPIO patch in here, it was a dependency for a cleanup of an
API in the regmap-irq code for which the gpio-104-dio-48e driver was the
only user.
Highlights:
- The maple tree cache can now load in default values more efficiently,
and is capabale of syncing multiple registers in a single write
during cache sync.
- More KUnit coverage, including some coverage for raw I/O and a dummy
RAM backed cache to support it.
- Removal of several old interfaces in regmap-irq now all the users
have been modernised.
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Merge tag 'regmap-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Another busy release for regmap with the second half of the maple tree
register cache implementation, there's some smaller optimisations that
could be done but this should now be able to replace the rbtree cache
for most devices.
We also had a followup from Aidan MacDonald's refactoring of some of
the regmap-irq interfaces, the conversion is complete so the old
interfaces are removed. This means that even with the new features for
the maple tree cache we'd have a nice negative diffstat were it not
for the addition of a bunch more KUnit coverage.
There's one GPIO patch in here, it was a dependency for a cleanup of
an API in the regmap-irq code for which the gpio-104-dio-48e driver
was the only user.
Highlights:
- The maple tree cache can now load in default values more
efficiently, and is capabale of syncing multiple registers
in a single write during cache sync
- More KUnit coverage, including some coverage for raw I/O
and a dummy RAM backed cache to support it
- Removal of several old interfaces in regmap-irq now all
users have been modernised"
* tag 'regmap-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (23 commits)
regmap: Allow reads from write only registers with the flat cache
regmap: Drop early readability check
regmap: Check for register readability before checking cache during read
regmap: Add test to make sure we don't sync to read only registers
regmap: Add a test case for write only registers
regmap: Add test that writes to write only registers are prevented
regmap: Add debugfs file for forcing field writes
regmap: Don't check for changes in regcache_set_val()
regmap: maple: Implement block sync for the maple tree cache
regmap: Provide basic KUnit coverage for the raw register I/O
regmap: Provide a ram backed regmap with raw support
regmap: Add missing cache_only checks
regmap: regmap-irq: Move handle_post_irq to before pm_runtime_put
regmap: Load register defaults in blocks rather than register by register
regmap: mmio: Allow passing an empty config->reg_stride
regmap-irq: Drop backward compatibility for inverted mask/unmask
regmap-irq: Minor adjustments to .handle_mask_sync()
regmap-irq: Remove support for not_fixed_stride
regmap-irq: Remove type registers
regmap-irq: Remove virtual registers
...
The memory encryption initialization logic was moved from init/main.c
into arch_cpu_finalize_init() in commit 439e17576eb4 ("init, x86: Move
mem_encrypt_init() into arch_cpu_finalize_init()"), but a stale
declaration for the init function was left in <linux/init.h>.
And didn't cause any problems if you had X86_MEM_ENCRYPT enabled, which
apparently everybody involved did have. See also commit 0a9567ac5e6a
("x86/mem_encrypt: Unbreak the AMD_MEM_ENCRYPT=n build") in this whole
sad saga of conflicting declarations for different situations.
Reported-by: Matthew Wilcox <willy@infradead.org>
Fixes: 439e17576eb4 init, x86: Move mem_encrypt_init() into arch_cpu_finalize_init()
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit ca5e863233e8 ("mm/gup: remove vmas parameter from
get_user_pages_remote()") removed the vma argument from GUP handling,
and instead added a helper function (get_user_page_vma_remote()) that
looks it up separately using 'vma_lookup()'. And then converted
existing users that needed a vma to use the helper instead.
However, the helper function intentionally acts exactly like the old
get_user_pages_remote() did, and only fills in 'vma' on successful page
lookup. Fine so far.
However, __access_remote_vm() wants the vma even for the unsuccessful
case, and used to do a
vma = vma_lookup(mm, addr);
explicitly to look it up when the get_user_page() failed.
However, that conversion commit incorrectly removed that vma lookup,
thinking that get_user_page_vma_remote() would have done it. Not so.
So add the vma_lookup() back in.
Fixes: ca5e863233e8 ("mm/gup: remove vmas parameter from get_user_pages_remote()")
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
top-level directories.
- Douglas Anderson has added a new "buddy" mode to the hardlockup
detector. It permits the detector to work on architectures which
cannot provide the required interrupts, by having CPUs periodically
perform checks on other CPUs.
- Zhen Lei has enhanced kexec's ability to support two crash regions.
- Petr Mladek has done a lot of cleanup on the hard lockup detector's
Kconfig entries.
- And the usual bunch of singleton patches in various places.
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Merge tag 'mm-nonmm-stable-2023-06-24-19-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-mm updates from Andrew Morton:
- Arnd Bergmann has fixed a bunch of -Wmissing-prototypes in top-level
directories
- Douglas Anderson has added a new "buddy" mode to the hardlockup
detector. It permits the detector to work on architectures which
cannot provide the required interrupts, by having CPUs periodically
perform checks on other CPUs
- Zhen Lei has enhanced kexec's ability to support two crash regions
- Petr Mladek has done a lot of cleanup on the hard lockup detector's
Kconfig entries
- And the usual bunch of singleton patches in various places
* tag 'mm-nonmm-stable-2023-06-24-19-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (72 commits)
kernel/time/posix-stubs.c: remove duplicated include
ocfs2: remove redundant assignment to variable bit_off
watchdog/hardlockup: fix typo in config HARDLOCKUP_DETECTOR_PREFER_BUDDY
powerpc: move arch_trigger_cpumask_backtrace from nmi.h to irq.h
devres: show which resource was invalid in __devm_ioremap_resource()
watchdog/hardlockup: define HARDLOCKUP_DETECTOR_ARCH
watchdog/sparc64: define HARDLOCKUP_DETECTOR_SPARC64
watchdog/hardlockup: make HAVE_NMI_WATCHDOG sparc64-specific
watchdog/hardlockup: declare arch_touch_nmi_watchdog() only in linux/nmi.h
watchdog/hardlockup: make the config checks more straightforward
watchdog/hardlockup: sort hardlockup detector related config values a logical way
watchdog/hardlockup: move SMP barriers from common code to buddy code
watchdog/buddy: simplify the dependency for HARDLOCKUP_DETECTOR_PREFER_BUDDY
watchdog/buddy: don't copy the cpumask in watchdog_next_cpu()
watchdog/buddy: cleanup how watchdog_buddy_check_hardlockup() is called
watchdog/hardlockup: remove softlockup comment in touch_nmi_watchdog()
watchdog/hardlockup: in watchdog_hardlockup_check() use cpumask_copy()
watchdog/hardlockup: don't use raw_cpu_ptr() in watchdog_hardlockup_kick()
watchdog/hardlockup: HAVE_NMI_WATCHDOG must implement watchdog_hardlockup_probe()
watchdog/hardlockup: keep kernel.nmi_watchdog sysctl as 0444 if probe fails
...
- Yosry has also eliminated cgroup's atomic rstat flushing.
- Nhat Pham adds the new cachestat() syscall. It provides userspace
with the ability to query pagecache status - a similar concept to
mincore() but more powerful and with improved usability.
- Mel Gorman provides more optimizations for compaction, reducing the
prevalence of page rescanning.
- Lorenzo Stoakes has done some maintanance work on the get_user_pages()
interface.
- Liam Howlett continues with cleanups and maintenance work to the maple
tree code. Peng Zhang also does some work on maple tree.
- Johannes Weiner has done some cleanup work on the compaction code.
- David Hildenbrand has contributed additional selftests for
get_user_pages().
- Thomas Gleixner has contributed some maintenance and optimization work
for the vmalloc code.
- Baolin Wang has provided some compaction cleanups,
- SeongJae Park continues maintenance work on the DAMON code.
- Huang Ying has done some maintenance on the swap code's usage of
device refcounting.
- Christoph Hellwig has some cleanups for the filemap/directio code.
- Ryan Roberts provides two patch series which yield some
rationalization of the kernel's access to pte entries - use the provided
APIs rather than open-coding accesses.
- Lorenzo Stoakes has some fixes to the interaction between pagecache
and directio access to file mappings.
- John Hubbard has a series of fixes to the MM selftesting code.
- ZhangPeng continues the folio conversion campaign.
- Hugh Dickins has been working on the pagetable handling code, mainly
with a view to reducing the load on the mmap_lock.
- Catalin Marinas has reduced the arm64 kmalloc() minimum alignment from
128 to 8.
- Domenico Cerasuolo has improved the zswap reclaim mechanism by
reorganizing the LRU management.
- Matthew Wilcox provides some fixups to make gfs2 work better with the
buffer_head code.
- Vishal Moola also has done some folio conversion work.
- Matthew Wilcox has removed the remnants of the pagevec code - their
functionality is migrated over to struct folio_batch.
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Merge tag 'mm-stable-2023-06-24-19-15' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull mm updates from Andrew Morton:
- Yosry Ahmed brought back some cgroup v1 stats in OOM logs
- Yosry has also eliminated cgroup's atomic rstat flushing
- Nhat Pham adds the new cachestat() syscall. It provides userspace
with the ability to query pagecache status - a similar concept to
mincore() but more powerful and with improved usability
- Mel Gorman provides more optimizations for compaction, reducing the
prevalence of page rescanning
- Lorenzo Stoakes has done some maintanance work on the
get_user_pages() interface
- Liam Howlett continues with cleanups and maintenance work to the
maple tree code. Peng Zhang also does some work on maple tree
- Johannes Weiner has done some cleanup work on the compaction code
- David Hildenbrand has contributed additional selftests for
get_user_pages()
- Thomas Gleixner has contributed some maintenance and optimization
work for the vmalloc code
- Baolin Wang has provided some compaction cleanups,
- SeongJae Park continues maintenance work on the DAMON code
- Huang Ying has done some maintenance on the swap code's usage of
device refcounting
- Christoph Hellwig has some cleanups for the filemap/directio code
- Ryan Roberts provides two patch series which yield some
rationalization of the kernel's access to pte entries - use the
provided APIs rather than open-coding accesses
- Lorenzo Stoakes has some fixes to the interaction between pagecache
and directio access to file mappings
- John Hubbard has a series of fixes to the MM selftesting code
- ZhangPeng continues the folio conversion campaign
- Hugh Dickins has been working on the pagetable handling code, mainly
with a view to reducing the load on the mmap_lock
- Catalin Marinas has reduced the arm64 kmalloc() minimum alignment
from 128 to 8
- Domenico Cerasuolo has improved the zswap reclaim mechanism by
reorganizing the LRU management
- Matthew Wilcox provides some fixups to make gfs2 work better with the
buffer_head code
- Vishal Moola also has done some folio conversion work
- Matthew Wilcox has removed the remnants of the pagevec code - their
functionality is migrated over to struct folio_batch
* tag 'mm-stable-2023-06-24-19-15' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (380 commits)
mm/hugetlb: remove hugetlb_set_page_subpool()
mm: nommu: correct the range of mmap_sem_read_lock in task_mem()
hugetlb: revert use of page_cache_next_miss()
Revert "page cache: fix page_cache_next/prev_miss off by one"
mm/vmscan: fix root proactive reclaim unthrottling unbalanced node
mm: memcg: rename and document global_reclaim()
mm: kill [add|del]_page_to_lru_list()
mm: compaction: convert to use a folio in isolate_migratepages_block()
mm: zswap: fix double invalidate with exclusive loads
mm: remove unnecessary pagevec includes
mm: remove references to pagevec
mm: rename invalidate_mapping_pagevec to mapping_try_invalidate
mm: remove struct pagevec
net: convert sunrpc from pagevec to folio_batch
i915: convert i915_gpu_error to use a folio_batch
pagevec: rename fbatch_count()
mm: remove check_move_unevictable_pages()
drm: convert drm_gem_put_pages() to use a folio_batch
i915: convert shmem_sg_free_table() to use a folio_batch
scatterlist: add sg_set_folio()
...
brings some order to the documentation directory, declutters the top-level
directory, and makes the documentation organization more closely match that
of the source.
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Merge tag 'docs-arm64-move' of git://git.lwn.net/linux
Pull arm64 documentation move from Jonathan Corbet:
"Move the arm64 architecture documentation under Documentation/arch/.
This brings some order to the documentation directory, declutters the
top-level directory, and makes the documentation organization more
closely match that of the source"
* tag 'docs-arm64-move' of git://git.lwn.net/linux:
perf arm-spe: Fix a dangling Documentation/arm64 reference
mm: Fix a dangling Documentation/arm64 reference
arm64: Fix dangling references to Documentation/arm64
dt-bindings: fix dangling Documentation/arm64 reference
docs: arm64: Move arm64 documentation under Documentation/arch/
- Fix KMSAN vs FORTIFY in strlcpy/strlcat (Alexander Potapenko)
- Convert strreplace() to return string start (Andy Shevchenko)
- Flexible array conversions (Arnd Bergmann, Wyes Karny, Kees Cook)
- Add missing function prototypes seen with W=1 (Arnd Bergmann)
- Fix strscpy() kerndoc typo (Arne Welzel)
- Replace strlcpy() with strscpy() across many subsystems which were
either Acked by respective maintainers or were trivial changes that
went ignored for multiple weeks (Azeem Shaikh)
- Remove unneeded cc-option test for UBSAN_TRAP (Nick Desaulniers)
- Add KUnit tests for strcat()-family
- Enable KUnit tests of FORTIFY wrappers under UML
- Add more complete FORTIFY protections for strlcat()
- Add missed disabling of FORTIFY for all arch purgatories.
- Enable -fstrict-flex-arrays=3 globally
- Tightening UBSAN_BOUNDS when using GCC
- Improve checkpatch to check for strcpy, strncpy, and fake flex arrays
- Improve use of const variables in FORTIFY
- Add requested struct_size_t() helper for types not pointers
- Add __counted_by macro for annotating flexible array size members
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Merge tag 'hardening-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"There are three areas of note:
A bunch of strlcpy()->strscpy() conversions ended up living in my tree
since they were either Acked by maintainers for me to carry, or got
ignored for multiple weeks (and were trivial changes).
The compiler option '-fstrict-flex-arrays=3' has been enabled
globally, and has been in -next for the entire devel cycle. This
changes compiler diagnostics (though mainly just -Warray-bounds which
is disabled) and potential UBSAN_BOUNDS and FORTIFY _warning_
coverage. In other words, there are no new restrictions, just
potentially new warnings. Any new FORTIFY warnings we've seen have
been fixed (usually in their respective subsystem trees). For more
details, see commit df8fc4e934c12b.
The under-development compiler attribute __counted_by has been added
so that we can start annotating flexible array members with their
associated structure member that tracks the count of flexible array
elements at run-time. It is possible (likely?) that the exact syntax
of the attribute will change before it is finalized, but GCC and Clang
are working together to sort it out. Any changes can be made to the
macro while we continue to add annotations.
As an example of that last case, I have a treewide commit waiting with
such annotations found via Coccinelle:
https://git.kernel.org/linus/adc5b3cb48a049563dc673f348eab7b6beba8a9b
Also see commit dd06e72e68bcb4 for more details.
Summary:
- Fix KMSAN vs FORTIFY in strlcpy/strlcat (Alexander Potapenko)
- Convert strreplace() to return string start (Andy Shevchenko)
- Flexible array conversions (Arnd Bergmann, Wyes Karny, Kees Cook)
- Add missing function prototypes seen with W=1 (Arnd Bergmann)
- Fix strscpy() kerndoc typo (Arne Welzel)
- Replace strlcpy() with strscpy() across many subsystems which were
either Acked by respective maintainers or were trivial changes that
went ignored for multiple weeks (Azeem Shaikh)
- Remove unneeded cc-option test for UBSAN_TRAP (Nick Desaulniers)
- Add KUnit tests for strcat()-family
- Enable KUnit tests of FORTIFY wrappers under UML
- Add more complete FORTIFY protections for strlcat()
- Add missed disabling of FORTIFY for all arch purgatories.
- Enable -fstrict-flex-arrays=3 globally
- Tightening UBSAN_BOUNDS when using GCC
- Improve checkpatch to check for strcpy, strncpy, and fake flex
arrays
- Improve use of const variables in FORTIFY
- Add requested struct_size_t() helper for types not pointers
- Add __counted_by macro for annotating flexible array size members"
* tag 'hardening-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (54 commits)
netfilter: ipset: Replace strlcpy with strscpy
uml: Replace strlcpy with strscpy
um: Use HOST_DIR for mrproper
kallsyms: Replace all non-returning strlcpy with strscpy
sh: Replace all non-returning strlcpy with strscpy
of/flattree: Replace all non-returning strlcpy with strscpy
sparc64: Replace all non-returning strlcpy with strscpy
Hexagon: Replace all non-returning strlcpy with strscpy
kobject: Use return value of strreplace()
lib/string_helpers: Change returned value of the strreplace()
jbd2: Avoid printing outside the boundary of the buffer
checkpatch: Check for 0-length and 1-element arrays
riscv/purgatory: Do not use fortified string functions
s390/purgatory: Do not use fortified string functions
x86/purgatory: Do not use fortified string functions
acpi: Replace struct acpi_table_slit 1-element array with flex-array
clocksource: Replace all non-returning strlcpy with strscpy
string: use __builtin_memcpy() in strlcpy/strlcat
staging: most: Replace all non-returning strlcpy with strscpy
drm/i2c: tda998x: Replace all non-returning strlcpy with strscpy
...
- Fix a few comments for correctness and typos (Baruch Siach)
- Small simplifications for binfmt (Christophe JAILLET)
- Set p_align to 4 for PT_NOTE in core dump (Fangrui Song)
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Merge tag 'execve-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve updates from Kees Cook:
- Fix a few comments for correctness and typos (Baruch Siach)
- Small simplifications for binfmt (Christophe JAILLET)
- Set p_align to 4 for PT_NOTE in core dump (Fangrui Song)
* tag 'execve-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
binfmt_elf: fix comment typo s/reset/regset/
elf: correct note name comment
binfmt: Slightly simplify elf_fdpic_map_file()
binfmt: Use struct_size()
coredump, vmcore: Set p_align to 4 for PT_NOTE
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Merge tag 'Smack-for-6.5' of https://github.com/cschaufler/smack-next
Pull smack updates from Casey Schaufler:
"There are two patches, both of which change how Smack initializes the
SMACK64TRANSMUTE extended attribute.
The first corrects the behavior of overlayfs, which creates inodes
differently from other filesystems. The second ensures that transmute
attributes specified by mount options are correctly assigned"
* tag 'Smack-for-6.5' of https://github.com/cschaufler/smack-next:
smack: Record transmuting in smk_transmuted
smack: Retrieve transmuting information in smack_inode_getsecurity()
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Merge tag 'integrity-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity subsystem updates from Mimi Zohar:
"An i_version change, one bug fix, and three kernel doc fixes:
- instead of IMA detecting file change by directly accesssing
i_version, it now calls vfs_getattr_nosec().
- fix a race condition when inserting a new node in the iint rb-tree"
* tag 'integrity-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: Fix build warnings
evm: Fix build warnings
evm: Complete description of evm_inode_setattr()
integrity: Fix possible multiple allocation in integrity_inode_get()
IMA: use vfs_getattr_nosec to get the i_version
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Merge tag 'lsm-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm
Pull lsm updates from Paul Moore:
- A SafeSetID patch to correct what appears to be a cut-n-paste typo in
the code causing a UID to be printed where a GID was desired.
This is coming via the LSM tree because we haven't been able to get a
response from the SafeSetID maintainer (Micah Morton) in several
months. Hopefully we are able to get in touch with Micah, but until
we do I'm going to pick them up in the LSM tree.
- A small fix to the reiserfs LSM xattr code.
We're continuing to work through some issues with the reiserfs code
as we try to fixup the LSM xattr handling, but in the process we're
uncovering some ugly problems in reiserfs and we may just end up
removing the LSM xattr support in reiserfs prior to reiserfs'
removal.
For better or worse, this shouldn't impact any of the reiserfs users,
as we discovered that LSM xattrs on reiserfs were completely broken,
meaning no one is currently using the combo of reiserfs and a file
labeling LSM.
- A tweak to how the cap_user_data_t struct/typedef is declared in the
header file to appease the Sparse gods.
- In the process of trying to sort out the SafeSetID lost-maintainer
problem I realized that I needed to update the labeled networking
entry to "Supported".
- Minor comment/documentation and spelling fixes.
* tag 'lsm-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
device_cgroup: Fix kernel-doc warnings in device_cgroup
SafeSetID: fix UID printed instead of GID
MAINTAINERS: move labeled networking to "supported"
capability: erase checker warnings about struct __user_cap_data_struct
lsm: fix a number of misspellings
reiserfs: Initialize sec->length in reiserfs_security_init().
capability: fix kernel-doc warnings in capability.c
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Merge tag 'selinux-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
- Thanks to help from the MPTCP folks, it looks like we have finally
sorted out a proper solution to the MPTCP socket labeling issue, see
the new security_mptcp_add_subflow() LSM hook.
- Fix the labeled NFS handling such that a labeled NFS share mounted
prior to the initial SELinux policy load is properly labeled once a
policy is loaded; more information in the commit description.
- Two patches to security/selinux/Makefile, the first took the cleanups
in v6.4 a bit further and the second removed the grouped targets
support as that functionality doesn't appear to be properly supported
prior to make v4.3.
- Deprecate the "fs" object context type in SELinux policies. The fs
object context type was an old vestige that was introduced back in
v2.6.12-rc2 but never really used.
- A number of small changes that remove dead code, clean up some
awkward bits, and generally improve the quality of the code. See the
individual commit descriptions for more information.
* tag 'selinux-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: avoid bool as identifier name
selinux: fix Makefile for versions of make < v4.3
selinux: make labeled NFS work when mounted before policy load
selinux: cleanup exit_sel_fs() declaration
selinux: deprecated fs ocon
selinux: make header files self-including
selinux: keep context struct members in sync
selinux: Implement mptcp_add_subflow hook
security, lsm: Introduce security_mptcp_add_subflow()
selinux: small cleanups in selinux_audit_rule_init()
selinux: declare read-only data arrays const
selinux: retain const qualifier on string literal in avtab_hash_eval()
selinux: drop return at end of void function avc_insert()
selinux: avc: drop unused function avc_disable()
selinux: adjust typos in comments
selinux: do not leave dangling pointer behind
selinux: more Makefile tweaks
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Merge tag 'audit-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit update from Paul Moore:
"A single audit patch that resolves two compiler warnings regarding
missing function prototypes"
* tag 'audit-pr-20230626' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: avoid missing-prototype warnings
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Merge tag 'landlock-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"Add support for Landlock to UML.
To do this, this fixes the way hostfs manages inodes according to the
underlying filesystem [1]. They are now properly handled as for other
filesystems, which enables Landlock support (and probably other
features).
This also extends Landlock's tests with 6 pseudo filesystems,
including hostfs"
[1] https://lore.kernel.org/all/20230612191430.339153-1-mic@digikod.net/
* tag 'landlock-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Add hostfs tests
selftests/landlock: Add tests for pseudo filesystems
selftests/landlock: Make mounts configurable
selftests/landlock: Add supports_filesystem() helper
selftests/landlock: Don't create useless file layouts
hostfs: Fix ephemeral inodes
* Whenever cpuset needs to rebuild sched_domain, it walked all tasks looking
for DEADLINE tasks as they need to be accounted on the new domain. Walking
all tasks can be expensive and there may not be any DEADLINE tasks at all.
Task iteration is now omitted if there are no DEADLINE tasks.
* Fixes DEADLINE bandwidth misaccounting after task migration failures.
* When no controller is enabled, -Wstringop-overflow warning is triggered.
The fix patch added an early exit which is too eager and got reverted for
now. Will fix later.
* Everything else are minor cleanups.
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Merge tag 'cgroup-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Whenever cpuset needs to rebuild sched_domain, it walked all tasks
looking for DEADLINE tasks as they need to be accounted on the new
domain. Walking all tasks can be expensive and there may not be any
DEADLINE tasks at all. Task iteration is now omitted if there are no
DEADLINE tasks
- Fixes DEADLINE bandwidth misaccounting after task migration failures
- When no controller is enabled, -Wstringop-overflow warning is
triggered. The fix patch added an early exit which is too eager and
got reverted for now. Will fix later
- Everything else is minor cleanups
* tag 'cgroup-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
Revert "cgroup: Avoid -Wstringop-overflow warnings"
cgroup/misc: Expose misc.current on cgroup v2 root
cgroup: Avoid -Wstringop-overflow warnings
cgroup: remove obsolete comment on cgroup_on_dfl()
cgroup: remove unused task_cgroup_path()
cgroup/cpuset: remove unneeded header files
cgroup: make cgroup_is_threaded() and cgroup_is_thread_root() static
rdmacg: fix kernel-doc warnings in rdmacg
cgroup: Replace the css_set call with cgroup_get
cgroup: remove unused macro for_each_e_css()
cgroup: Update out-of-date comment in cgroup_migrate()
cgroup: Replace all non-returning strlcpy with strscpy
cgroup/cpuset: remove unneeded header files
cgroup/cpuset: Free DL BW in case can_attach() fails
sched/deadline: Create DL BW alloc, free & check overflow interface
cgroup/cpuset: Iterate only if DEADLINE tasks are present
sched/cpuset: Keep track of SCHED_DEADLINE task in cpusets
sched/cpuset: Bring back cpuset_mutex
cgroup/cpuset: Rename functions dealing with DEADLINE accounting
For historical reasons, unbound workqueues with max concurrency limit of 1
are considered ordered, even though the concurrency limit hasn't been
system-wide for a long time. This creates ambiguity around whether ordered
execution is actually required for correctness, which was actually confusing
for e.g. btrfs (btrfs updates are being routed through the btrfs tree).
There aren't that many users in the tree which use the combination and there
are pending improvements to unbound workqueue affinity handling which will
make inadvertent use of ordered workqueue a bigger loss. This pull request
clarifies the situation for most of them by updating the ones which require
ordered execution to use alloc_ordered_workqueue().
There are some conversions being routed through subsystem-specific trees and
likely a few stragglers. Once they're all converted, workqueue can trigger a
warning on unbound + @max_active==1 usages and eventually drop the implicit
ordered behavior.
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Merge tag 'wq-for-6.5-cleanup-ordered' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull ordered workqueue creation updates from Tejun Heo:
"For historical reasons, unbound workqueues with max concurrency limit
of 1 are considered ordered, even though the concurrency limit hasn't
been system-wide for a long time.
This creates ambiguity around whether ordered execution is actually
required for correctness, which was actually confusing for e.g. btrfs
(btrfs updates are being routed through the btrfs tree).
There aren't that many users in the tree which use the combination and
there are pending improvements to unbound workqueue affinity handling
which will make inadvertent use of ordered workqueue a bigger loss.
This clarifies the situation for most of them by updating the ones
which require ordered execution to use alloc_ordered_workqueue().
There are some conversions being routed through subsystem-specific
trees and likely a few stragglers. Once they're all converted,
workqueue can trigger a warning on unbound + @max_active==1 usages and
eventually drop the implicit ordered behavior"
* tag 'wq-for-6.5-cleanup-ordered' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
rxrpc: Use alloc_ordered_workqueue() to create ordered workqueues
net: qrtr: Use alloc_ordered_workqueue() to create ordered workqueues
net: wwan: t7xx: Use alloc_ordered_workqueue() to create ordered workqueues
dm integrity: Use alloc_ordered_workqueue() to create ordered workqueues
media: amphion: Use alloc_ordered_workqueue() to create ordered workqueues
scsi: NCR5380: Use default @max_active for hostdata->work_q
media: coda: Use alloc_ordered_workqueue() to create ordered workqueues
crypto: octeontx2: Use alloc_ordered_workqueue() to create ordered workqueues
wifi: ath10/11/12k: Use alloc_ordered_workqueue() to create ordered workqueues
wifi: mwifiex: Use default @max_active for workqueues
wifi: iwlwifi: Use default @max_active for trans_pcie->rba.alloc_wq
xen/pvcalls: Use alloc_ordered_workqueue() to create ordered workqueues
virt: acrn: Use alloc_ordered_workqueue() to create ordered workqueues
net: octeontx2: Use alloc_ordered_workqueue() to create ordered workqueues
net: thunderx: Use alloc_ordered_workqueue() to create ordered workqueues
greybus: Use alloc_ordered_workqueue() to create ordered workqueues
powerpc, workqueue: Use alloc_ordered_workqueue() to create ordered workqueues
* Concurrency-managed per-cpu work items that hog CPUs and delay the
execution of other work items are now automatically detected and excluded
from concurrency management. Reporting on such work items can also be
enabled through a config option.
* Added tools/workqueue/wq_monitor.py which improves visibility into
workqueue usages and behaviors.
* Includes Arnd's minimal fix for gcc-13 enum warning on 32bit compiles.
This conflicts with afa4bb778e48 ("workqueue: clean up WORK_* constant
types, clarify masking") in master. Can be resolved by picking the master
version.
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Merge tag 'wq-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
- Concurrency-managed per-cpu work items that hog CPUs and delay the
execution of other work items are now automatically detected and
excluded from concurrency management. Reporting on such work items
can also be enabled through a config option.
- Added tools/workqueue/wq_monitor.py which improves visibility into
workqueue usages and behaviors.
- Arnd's minimal fix for gcc-13 enum warning on 32bit compiles,
superseded by commit afa4bb778e48 in mainline.
* tag 'wq-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Disable per-cpu CPU hog detection when wq_cpu_intensive_thresh_us is 0
workqueue: Fix WARN_ON_ONCE() triggers in worker_enter_idle()
workqueue: fix enum type for gcc-13
workqueue: Track and monitor per-workqueue CPU time usage
workqueue: Report work funcs that trigger automatic CPU_INTENSIVE mechanism
workqueue: Automatically mark CPU-hogging work items CPU_INTENSIVE
workqueue: Improve locking rule description for worker fields
workqueue: Move worker_set/clr_flags() upwards
workqueue: Re-order struct worker fields
workqueue: Add pwq->stats[] and a monitoring script
Further upgrade queue_work_on() comment
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Merge tag 'for-linus-6.5-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- three patches adding missing prototypes
- a fix for finding the iBFT in a Xen dom0 for supporting diskless
iSCSI boot
* tag 'for-linus-6.5-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86: xen: add missing prototypes
x86/xen: add prototypes for paravirt mmu functions
iscsi_ibft: Fix finding the iBFT under Xen Dom 0
xen: xen_debug_interrupt prototype to global header
- Fix the style of protected key API driver source: use
x-mas tree for all local variable declarations.
- Rework protected key API driver to not use the struct
pkey_protkey and pkey_clrkey anymore. Both structures
have a fixed size buffer, but with the support of ECC
protected key these buffers are not big enough. Use
dynamic buffers internally and transparently for
userspace.
- Add support for a new 'non CCA clear key token' with
ECC clear keys supported: ECC P256, ECC P384, ECC P521,
ECC ED25519 and ECC ED448. This makes it possible to
derive a protected key from the ECC clear key input via
PKEY_KBLOB2PROTK3 ioctl, while currently the only way
to derive is via PCKMO instruction.
- The s390 PMU of PAI crypto and extension 1 NNPA counters
use atomic_t for reference counting. Replace this with
the proper data type refcount_t.
- Select ARCH_SUPPORTS_INT128, but limit this to clang for
now, since gcc generates inefficient code, which may lead
to stack overflows.
- Replace one-element array with flexible-array member in
struct vfio_ccw_parent and refactor the rest of the code
accordingly. Also, prefer struct_size() over sizeof() open-
coded versions.
- Introduce OS_INFO_FLAGS_ENTRY pointing to a flags field and
OS_INFO_FLAG_REIPL_CLEAR flag that informs a dumper whether
the system memory should be cleared or not once dumped.
- Fix a hang when a user attempts to remove a VFIO-AP mediated
device attached to a guest: add VFIO_DEVICE_GET_IRQ_INFO and
VFIO_DEVICE_SET_IRQS IOCTLs and wire up the VFIO bus driver
callback to request a release of the device.
- Fix calculation for R_390_GOTENT relocations for modules.
- Allow any user space process with CAP_PERFMON capability
read and display the CPU Measurement facility counter sets.
- Rework large statically-defined per-CPU cpu_cf_events data
structure and replace it with dynamically allocated structures
created when a perf_event_open() system call is invoked or
/dev/hwctr device is accessed.
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Merge tag 's390-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Alexander Gordeev:
- Fix the style of protected key API driver source: use x-mas tree for
all local variable declarations
- Rework protected key API driver to not use the struct pkey_protkey
and pkey_clrkey anymore. Both structures have a fixed size buffer,
but with the support of ECC protected key these buffers are not big
enough. Use dynamic buffers internally and transparently for
userspace
- Add support for a new 'non CCA clear key token' with ECC clear keys
supported: ECC P256, ECC P384, ECC P521, ECC ED25519 and ECC ED448.
This makes it possible to derive a protected key from the ECC clear
key input via PKEY_KBLOB2PROTK3 ioctl, while currently the only way
to derive is via PCKMO instruction
- The s390 PMU of PAI crypto and extension 1 NNPA counters use atomic_t
for reference counting. Replace this with the proper data type
refcount_t
- Select ARCH_SUPPORTS_INT128, but limit this to clang for now, since
gcc generates inefficient code, which may lead to stack overflows
- Replace one-element array with flexible-array member in struct
vfio_ccw_parent and refactor the rest of the code accordingly. Also,
prefer struct_size() over sizeof() open- coded versions
- Introduce OS_INFO_FLAGS_ENTRY pointing to a flags field and
OS_INFO_FLAG_REIPL_CLEAR flag that informs a dumper whether the
system memory should be cleared or not once dumped
- Fix a hang when a user attempts to remove a VFIO-AP mediated device
attached to a guest: add VFIO_DEVICE_GET_IRQ_INFO and
VFIO_DEVICE_SET_IRQS IOCTLs and wire up the VFIO bus driver callback
to request a release of the device
- Fix calculation for R_390_GOTENT relocations for modules
- Allow any user space process with CAP_PERFMON capability read and
display the CPU Measurement facility counter sets
- Rework large statically-defined per-CPU cpu_cf_events data structure
and replace it with dynamically allocated structures created when a
perf_event_open() system call is invoked or /dev/hwctr device is
accessed
* tag 's390-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cpum_cf: rework PER_CPU_DEFINE of struct cpu_cf_events
s390/cpum_cf: open access to hwctr device for CAP_PERFMON privileged process
s390/module: fix rela calculation for R_390_GOTENT
s390/vfio-ap: wire in the vfio_device_ops request callback
s390/vfio-ap: realize the VFIO_DEVICE_SET_IRQS ioctl
s390/vfio-ap: realize the VFIO_DEVICE_GET_IRQ_INFO ioctl
s390/pkey: add support for ecc clear key
s390/pkey: do not use struct pkey_protkey
s390/pkey: introduce reverse x-mas trees
s390/zcore: conditionally clear memory on reipl
s390/ipl: add REIPL_CLEAR flag to os_info
vfio/ccw: use struct_size() helper
vfio/ccw: replace one-element array with flexible-array member
s390: select ARCH_SUPPORTS_INT128
s390/pai_ext: replace atomic_t with refcount_t
s390/pai_crypto: replace atomic_t with refcount_t
- clean up platform_* interface of the xtensa architecture
- enable HAVE_ASM_MODVERSIONS
- drop ARCH_WANT_FRAME_POINTERS
- clean up unaligned access exception handler
- provide handler for load/store exceptions
- various small fixes and cleanups
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Merge tag 'xtensa-20230627' of https://github.com/jcmvbkbc/linux-xtensa
Pull xtensa updates from Max Filippov:
- clean up platform_* interface of the xtensa architecture
- enable HAVE_ASM_MODVERSIONS
- drop ARCH_WANT_FRAME_POINTERS
- clean up unaligned access exception handler
- provide handler for load/store exceptions
- various small fixes and cleanups
* tag 'xtensa-20230627' of https://github.com/jcmvbkbc/linux-xtensa:
xtensa: dump userspace code around the exception PC
xtensa: rearrange show_stack output
xtensa: add load/store exception handler
xtensa: rearrange unaligned exception handler
xtensa: always install slow handler for unaligned access exception
xtensa: move early_trap_init from kasan_early_init to init_arch
xtensa: drop ARCH_WANT_FRAME_POINTERS
xtensa: report trax and perf counters in cpuinfo
xtensa: add asm-prototypes.h
xtensa: only build __strncpy_user with CONFIG_ARCH_HAS_STRNCPY_FROM_USER
xtensa: drop bcopy implementation
xtensa: drop EXPORT_SYMBOL for common_exception_return
xtensa: boot-redboot: clean up Makefile
xtensa: clean up default platform functions
xtensa: drop platform_halt and platform_power_off
xtensa: drop platform_restart
xtensa: drop platform_heartbeat
xtensa: xt2000: drop empty platform_init
This reverts commit 6ebe94baa2b9ddf3ccbb7f94df6ab26234532734.
The patch "nios2: Convert __pte_free_tlb() to use ptdescs" was supposed
to go together with a patchset that Vishal Moola had planned taking it
through the mm tree. By just having this patch, all NIOS2 builds are
broken.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Build footprint & performance improvements:
- Reduce memory usage with CONFIG_DEBUG_INFO=y
In the worst case of an allyesconfig+CONFIG_DEBUG_INFO=y kernel, DWARF
creates almost 200 million relocations, ballooning objtool's peak heap
usage to 53GB. These patches reduce that to 25GB.
On a distro-type kernel with kernel IBT enabled, they reduce objtool's
peak heap usage from 4.2GB to 2.8GB.
These changes also improve the runtime significantly.
- Debuggability improvements:
- Add the unwind_debug command-line option, for more extend unwinding
debugging output.
- Limit unreachable warnings to once per function
- Add verbose option for disassembling affected functions
- Include backtrace in verbose mode
- Detect missing __noreturn annotations
- Ignore exc_double_fault() __noreturn warnings
- Remove superfluous global_noreturns entries
- Move noreturn function list to separate file
- Add __kunit_abort() to noreturns
- Unwinder improvements:
- Allow stack operations in UNWIND_HINT_UNDEFINED regions
- drm/vmwgfx: Add unwind hints around RBP clobber
- Cleanups:
- Move the x86 entry thunk restore code into thunk functions
- x86/unwind/orc: Use swap() instead of open coding it
- Remove unnecessary/unused variables
- Fixes for modern stack canary handling
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molar:
"Build footprint & performance improvements:
- Reduce memory usage with CONFIG_DEBUG_INFO=y
In the worst case of an allyesconfig+CONFIG_DEBUG_INFO=y kernel,
DWARF creates almost 200 million relocations, ballooning objtool's
peak heap usage to 53GB. These patches reduce that to 25GB.
On a distro-type kernel with kernel IBT enabled, they reduce
objtool's peak heap usage from 4.2GB to 2.8GB.
These changes also improve the runtime significantly.
Debuggability improvements:
- Add the unwind_debug command-line option, for more extend unwinding
debugging output
- Limit unreachable warnings to once per function
- Add verbose option for disassembling affected functions
- Include backtrace in verbose mode
- Detect missing __noreturn annotations
- Ignore exc_double_fault() __noreturn warnings
- Remove superfluous global_noreturns entries
- Move noreturn function list to separate file
- Add __kunit_abort() to noreturns
Unwinder improvements:
- Allow stack operations in UNWIND_HINT_UNDEFINED regions
- drm/vmwgfx: Add unwind hints around RBP clobber
Cleanups:
- Move the x86 entry thunk restore code into thunk functions
- x86/unwind/orc: Use swap() instead of open coding it
- Remove unnecessary/unused variables
Fixes for modern stack canary handling"
* tag 'objtool-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
x86/orc: Make the is_callthunk() definition depend on CONFIG_BPF_JIT=y
objtool: Skip reading DWARF section data
objtool: Free insns when done
objtool: Get rid of reloc->rel[a]
objtool: Shrink elf hash nodes
objtool: Shrink reloc->sym_reloc_entry
objtool: Get rid of reloc->jump_table_start
objtool: Get rid of reloc->addend
objtool: Get rid of reloc->type
objtool: Get rid of reloc->offset
objtool: Get rid of reloc->idx
objtool: Get rid of reloc->list
objtool: Allocate relocs in advance for new rela sections
objtool: Add for_each_reloc()
objtool: Don't free memory in elf_close()
objtool: Keep GElf_Rel[a] structs synced
objtool: Add elf_create_section_pair()
objtool: Add mark_sec_changed()
objtool: Fix reloc_hash size
objtool: Consolidate rel/rela handling
...
- Rework & fix the event forwarding logic by extending the
core interface. This fixes AMD PMU events that have to
be forwarded from the core PMU to the IBS PMU.
- Add self-tests to test AMD IBS invocation via core PMU events
- Clean up Intel FixCntrCtl MSR encoding & handling
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events updates from Ingo Molnar:
- Rework & fix the event forwarding logic by extending the core
interface.
This fixes AMD PMU events that have to be forwarded from the
core PMU to the IBS PMU.
- Add self-tests to test AMD IBS invocation via core PMU events
- Clean up Intel FixCntrCtl MSR encoding & handling
* tag 'perf-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Re-instate the linear PMU search
perf/x86/intel: Define bit macros for FixCntrCtl MSR
perf test: Add selftest to test IBS invocation via core pmu events
perf/core: Remove pmu linear searching code
perf/ibs: Fix interface via core pmu events
perf/core: Rework forwarding of {task|cpu}-clock events
- Introduce cmpxchg128() -- aka. the demise of cmpxchg_double().
The cmpxchg128() family of functions is basically & functionally
the same as cmpxchg_double(), but with a saner interface: instead
of a 6-parameter horror that forced u128 - u64/u64-halves layout
details on the interface and exposed users to complexity,
fragility & bugs, use a natural 3-parameter interface with u128 types.
- Restructure the generated atomic headers, and add
kerneldoc comments for all of the generic atomic{,64,_long}_t
operations. Generated definitions are much cleaner now,
and come with documentation.
- Implement lock_set_cmp_fn() on lockdep, for defining an ordering
when taking multiple locks of the same type. This gets rid of
one use of lockdep_set_novalidate_class() in the bcache code.
- Fix raw_cpu_generic_try_cmpxchg() bug due to an unintended
variable shadowing generating garbage code on Clang on certain
ARM builds.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
- Introduce cmpxchg128() -- aka. the demise of cmpxchg_double()
The cmpxchg128() family of functions is basically & functionally the
same as cmpxchg_double(), but with a saner interface.
Instead of a 6-parameter horror that forced u128 - u64/u64-halves
layout details on the interface and exposed users to complexity,
fragility & bugs, use a natural 3-parameter interface with u128
types.
- Restructure the generated atomic headers, and add kerneldoc comments
for all of the generic atomic{,64,_long}_t operations.
The generated definitions are much cleaner now, and come with
documentation.
- Implement lock_set_cmp_fn() on lockdep, for defining an ordering when
taking multiple locks of the same type.
This gets rid of one use of lockdep_set_novalidate_class() in the
bcache code.
- Fix raw_cpu_generic_try_cmpxchg() bug due to an unintended variable
shadowing generating garbage code on Clang on certain ARM builds.
* tag 'locking-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
locking/atomic: scripts: fix ${atomic}_dec_if_positive() kerneldoc
percpu: Fix self-assignment of __old in raw_cpu_generic_try_cmpxchg()
locking/atomic: treewide: delete arch_atomic_*() kerneldoc
locking/atomic: docs: Add atomic operations to the driver basic API documentation
locking/atomic: scripts: generate kerneldoc comments
docs: scripts: kernel-doc: accept bitwise negation like ~@var
locking/atomic: scripts: simplify raw_atomic*() definitions
locking/atomic: scripts: simplify raw_atomic_long*() definitions
locking/atomic: scripts: split pfx/name/sfx/order
locking/atomic: scripts: restructure fallback ifdeffery
locking/atomic: scripts: build raw_atomic_long*() directly
locking/atomic: treewide: use raw_atomic*_<op>()
locking/atomic: scripts: add trivial raw_atomic*_<op>()
locking/atomic: scripts: factor out order template generation
locking/atomic: scripts: remove leftover "${mult}"
locking/atomic: scripts: remove bogus order parameter
locking/atomic: xtensa: add preprocessor symbols
locking/atomic: x86: add preprocessor symbols
locking/atomic: sparc: add preprocessor symbols
locking/atomic: sh: add preprocessor symbols
...
- Scheduler SMP load-balancer improvements:
- Avoid unnecessary migrations within SMT domains on hybrid systems.
Problem:
On hybrid CPU systems, (processors with a mixture of higher-frequency
SMT cores and lower-frequency non-SMT cores), under the old code
lower-priority CPUs pulled tasks from the higher-priority cores if
more than one SMT sibling was busy - resulting in many unnecessary
task migrations.
Solution:
The new code improves the load balancer to recognize SMT cores with more
than one busy sibling and allows lower-priority CPUs to pull tasks, which
avoids superfluous migrations and lets lower-priority cores inspect all SMT
siblings for the busiest queue.
- Implement the 'runnable boosting' feature in the EAS balancer: consider CPU
contention in frequency, EAS max util & load-balance busiest CPU selection.
This improves CPU utilization for certain workloads, while leaves other key
workloads unchanged.
- Scheduler infrastructure improvements:
- Rewrite the scheduler topology setup code by consolidating it
into the build_sched_topology() helper function and building
it dynamically on the fly.
- Resolve the local_clock() vs. noinstr complications by rewriting
the code: provide separate sched_clock_noinstr() and
local_clock_noinstr() functions to be used in instrumentation code,
and make sure it is all instrumentation-safe.
- Fixes:
- Fix a kthread_park() race with wait_woken()
- Fix misc wait_task_inactive() bugs unearthed by the -rt merge:
- Fix UP PREEMPT bug by unifying the SMP and UP implementations.
- Fix task_struct::saved_state handling.
- Fix various rq clock update bugs, unearthed by turning on the rq clock
debugging code.
- Fix the PSI WINDOW_MIN_US trigger limit, which was easy to trigger by
creating enough cgroups, by removing the warnign and restricting
window size triggers to PSI file write-permission or CAP_SYS_RESOURCE.
- Propagate SMT flags in the topology when removing degenerate domain
- Fix grub_reclaim() calculation bug in the deadline scheduler code
- Avoid resetting the min update period when it is unnecessary, in
psi_trigger_destroy().
- Don't balance a task to its current running CPU in load_balance(),
which was possible on certain NUMA topologies with overlapping
groups.
- Fix the sched-debug printing of rq->nr_uninterruptible
- Cleanups:
- Address various -Wmissing-prototype warnings, as a preparation
to (maybe) enable this warning in the future.
- Remove unused code
- Mark more functions __init
- Fix shadow-variable warnings
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"Scheduler SMP load-balancer improvements:
- Avoid unnecessary migrations within SMT domains on hybrid systems.
Problem:
On hybrid CPU systems, (processors with a mixture of
higher-frequency SMT cores and lower-frequency non-SMT cores),
under the old code lower-priority CPUs pulled tasks from the
higher-priority cores if more than one SMT sibling was busy -
resulting in many unnecessary task migrations.
Solution:
The new code improves the load balancer to recognize SMT cores
with more than one busy sibling and allows lower-priority CPUs
to pull tasks, which avoids superfluous migrations and lets
lower-priority cores inspect all SMT siblings for the busiest
queue.
- Implement the 'runnable boosting' feature in the EAS balancer:
consider CPU contention in frequency, EAS max util & load-balance
busiest CPU selection.
This improves CPU utilization for certain workloads, while leaves
other key workloads unchanged.
Scheduler infrastructure improvements:
- Rewrite the scheduler topology setup code by consolidating it into
the build_sched_topology() helper function and building it
dynamically on the fly.
- Resolve the local_clock() vs. noinstr complications by rewriting
the code: provide separate sched_clock_noinstr() and
local_clock_noinstr() functions to be used in instrumentation code,
and make sure it is all instrumentation-safe.
Fixes:
- Fix a kthread_park() race with wait_woken()
- Fix misc wait_task_inactive() bugs unearthed by the -rt merge:
- Fix UP PREEMPT bug by unifying the SMP and UP implementations
- Fix task_struct::saved_state handling
- Fix various rq clock update bugs, unearthed by turning on the rq
clock debugging code.
- Fix the PSI WINDOW_MIN_US trigger limit, which was easy to trigger
by creating enough cgroups, by removing the warnign and restricting
window size triggers to PSI file write-permission or
CAP_SYS_RESOURCE.
- Propagate SMT flags in the topology when removing degenerate domain
- Fix grub_reclaim() calculation bug in the deadline scheduler code
- Avoid resetting the min update period when it is unnecessary, in
psi_trigger_destroy().
- Don't balance a task to its current running CPU in load_balance(),
which was possible on certain NUMA topologies with overlapping
groups.
- Fix the sched-debug printing of rq->nr_uninterruptible
Cleanups:
- Address various -Wmissing-prototype warnings, as a preparation to
(maybe) enable this warning in the future.
- Remove unused code
- Mark more functions __init
- Fix shadow-variable warnings"
* tag 'sched-core-2023-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
sched/core: Avoid multiple calling update_rq_clock() in __cfsb_csd_unthrottle()
sched/core: Avoid double calling update_rq_clock() in __balance_push_cpu_stop()
sched/core: Fixed missing rq clock update before calling set_rq_offline()
sched/deadline: Update GRUB description in the documentation
sched/deadline: Fix bandwidth reclaim equation in GRUB
sched/wait: Fix a kthread_park race with wait_woken()
sched/topology: Mark set_sched_topology() __init
sched/fair: Rename variable cpu_util eff_util
arm64/arch_timer: Fix MMIO byteswap
sched/fair, cpufreq: Introduce 'runnable boosting'
sched/fair: Refactor CPU utilization functions
cpuidle: Use local_clock_noinstr()
sched/clock: Provide local_clock_noinstr()
x86/tsc: Provide sched_clock_noinstr()
clocksource: hyper-v: Provide noinstr sched_clock()
clocksource: hyper-v: Adjust hv_read_tsc_page_tsc() to avoid special casing U64_MAX
x86/vdso: Fix gettimeofday masking
math64: Always inline u128 version of mul_u64_u64_shr()
s390/time: Provide sched_clock_noinstr()
loongarch: Provide noinstr sched_clock_read()
...
used in
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Merge tag 'x86_sgx_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SGX update from Borislav Petkov:
- A fix to avoid using a list iterator variable after the loop it is
used in
* tag 'x86_sgx_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Avoid using iterator after loop in sgx_mmu_notifier_release()
the usage patterns are becoming apparent
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Merge tag 'x86_sev_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV updates from Borislav Petkov:
- Some SEV and CC platform helpers cleanup and simplifications now that
the usage patterns are becoming apparent
[ I'm sure I'm the only one that has gets confused by all the TLAs, but
in case there are others: here SEV is AMD's "Secure Encrypted
Virtualization" and CC is generic "Confidential Computing".
There's also Intel SGX (Software Guard Extensions) and TDX (Trust
Domain Extensions), along with all the vendor memory encryption
extensions (SME, TSME, TME, and WTF).
And then we have arm64 with RMA and CCA, and I probably forgot another
dozen or so related acronyms - Linus ]
* tag 'x86_sev_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/coco: Get rid of accessor functions
x86/sev: Get rid of special sev_es_enable_key
x86/coco: Mark cc_platform_has() and descendants noinstr
mechanism in order to look up the memory type of a region easily. Also
address memory range lookup issues like returning an invalid memory
type. Furthermore, this handles the decoupling of PAT from MTRR more
naturally. All work by Juergen Gross
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Merge tag 'x86_mtrr_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mtrr updates from Borislav Petkov:
"A serious scrubbing of the MTRR code including adding a new map
mechanism in order to look up the memory type of a region easily.
Also address memory range lookup issues like returning an invalid
memory type. Furthermore, this handles the decoupling of PAT from MTRR
more naturally.
All work by Juergen Gross"
* tag 'x86_mtrr_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen: Set default memory type for PV guests to WB
x86/mtrr: Unify debugging printing
x86/mtrr: Remove unused code
x86/mm: Only check uniform after calling mtrr_type_lookup()
x86/mtrr: Don't let mtrr_type_lookup() return MTRR_TYPE_INVALID
x86/mtrr: Use new cache_map in mtrr_type_lookup()
x86/mtrr: Add mtrr=debug command line option
x86/mtrr: Construct a memory map with cache modes
x86/mtrr: Add get_effective_type() service function
x86/mtrr: Allocate mtrr_value array dynamically
x86/mtrr: Move 32-bit code from mtrr.c to legacy.c
x86/mtrr: Have only one set_mtrr() variant
x86/mtrr: Replace vendor tests in MTRR code
x86/xen: Set MTRR state when running as Xen PV initial domain
x86/hyperv: Set MTRR state when running as SEV-SNP Hyper-V guest
x86/mtrr: Support setting MTRR state for software defined MTRRs
x86/mtrr: Replace size_or_mask and size_and_mask with a much easier concept
x86/mtrr: Remove physical address size calculation
handling symbols so that tools do not get confused by the presence of
code belonging to the wrong symbol/not belonging to any symbol
- Improve csum_partial()'s performance
- Some improvements to the kcpuid tool
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Merge tag 'x86_misc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Borislav Petkov:
- Remove the local symbols prefix of the get/put_user() exception
handling symbols so that tools do not get confused by the presence of
code belonging to the wrong symbol/not belonging to any symbol
- Improve csum_partial()'s performance
- Some improvements to the kcpuid tool
* tag 'x86_misc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/lib: Make get/put_user() exception handling a visible symbol
x86/csum: Fix clang -Wuninitialized in csum_partial()
x86/csum: Improve performance of `csum_partial`
tools/x86/kcpuid: Add .gitignore
tools/x86/kcpuid: Dump the correct CPUID function in error
the early loading procedure
- Cleanups
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Merge tag 'x86_microcode_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode loader updates from Borislav Petkov:
- Load late on both SMT threads on AMD, just like it is being done in
the early loading procedure
- Cleanups
* tag 'x86_microcode_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Load late on both threads too
x86/microcode/amd: Remove unneeded pointer arithmetic
x86/microcode/AMD: Get rid of __find_equiv_id()
brings some order to the documentation directory, declutters the top-level
directory, and makes the documentation organization more closely match that
of the source.
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Merge tag 'docs-arm-move' of git://git.lwn.net/linux
Pull arm documentation move from Jonathan Corbet:
"Move the Arm architecture documentation under Documentation/arch/.
This brings some order to the documentation directory, declutters the
top-level directory, and makes the documentation organization more
closely match that of the source"
* tag 'docs-arm-move' of git://git.lwn.net/linux:
dt-bindings: Update Documentation/arm references
docs: update some straggling Documentation/arm references
crypto: update some Arm documentation references
mips: update a reference to a moved Arm Document
arm64: Update Documentation/arm references
arm: update in-source documentation references
arm: docs: Move Arm documentation to Documentation/arch/
- Some initial page-table documentation from Linus (the other Linus)
- Regression-handling documentation improvements from Thorsten
- Addition of kerneldoc documentation for the ERR_PTR() and related
macros from James Seo
...and the usual collection of fixes and updates.
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Merge tag 'docs-6.5' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It's been a relatively calm cycle in docsland. We do have:
- Some initial page-table documentation from Linus (the other Linus)
- Regression-handling documentation improvements from Thorsten
- Addition of kerneldoc documentation for the ERR_PTR() and related
macros from James Seo
... and the usual collection of fixes and updates"
* tag 'docs-6.5' of git://git.lwn.net/linux:
docs: consolidate storage interfaces
Documentation: update git configuration for Link: tag
Documentation: KVM: make corrections to vcpu-requests.rst
Documentation: KVM: make corrections to ppc-pv.rst
Documentation: KVM: make corrections to locking.rst
Documentation: KVM: make corrections to halt-polling.rst
Documentation: virt: correct location of haltpoll module params
Documentation/mm: Initial page table documentation
docs: crypto: async-tx-api: fix typo in struct name
docs/doc-guide: Clarify how to write tables
docs: handling-regressions: rework section about fixing procedures
docs: process: fix a typoed cross-reference
docs: submitting-patches: Discuss interleaved replies
MAINTAINERS: direct process doc changes to a dedicated ML
Documentation: core-api: Add error pointer functions to kernel-api
err.h: Add missing kerneldocs for error pointer functions
Documentation: conf.py: Add __force to c_id_attributes
docs: clarify KVM related kernel parameters' descriptions
docs: consolidate human interface subsystems
docs: admin-guide: Add information about intel_pstate active mode
This kselftest update for Linux 6.5-rc1 consists of:
- change to allow runners to override the timeout
This change is made to avoid future increases of long
timeouts
- several other spelling and cleanups
- a new subtest to video_device_test
- enhancements to test coverage in clone3 test
- other fixes to ftrace and cpufreq tests
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Merge tag 'linux-kselftest-next-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- allow runners to override the timeout
This change is made to avoid future increases of long timeouts
- several other spelling and cleanups
- a new subtest to video_device_test
- enhancements to test coverage in clone3 test
- other fixes to ftrace and cpufreq tests
* tag 'linux-kselftest-next-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftace: Fix KTAP output ordering
selftests/cpufreq: Don't enable generic lock debugging options
kselftests: Sort the collections list to avoid duplicate tests
selftest: pidfd: Omit long and repeating outputs
selftests: allow runners to override the timeout
selftests/ftrace: Add new test case which checks for optimized probes
selftests/clone3: test clone3 with exit signal in flags
kselftest: vDSO: Fix accumulation of uninitialized ret when CLOCK_REALTIME is undefined
selftests: prctl: Fix spelling mistake "anonynous" -> "anonymous"
selftests: media_tests: Add new subtest to video_device_test
This KUnit update for Linux 6.5-rc1 consists of:
- kunit_add_action() API to defer a call until test exit.
- Update document to add kunit_add_action() usage notes.
- Changes to always run cleanup from a test kthread.
- Documentation updates to clarify cleanup usage
- assertions should not be used in cleanup
- Documentation update to clearly indicate that exit
functions should run even if init fails
- Several fixes and enhancements to existing tests.
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Merge tag 'linux-kselftest-kunit-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan:
- kunit_add_action() API to defer a call until test exit
- Update document to add kunit_add_action() usage notes
- Changes to always run cleanup from a test kthread
- Documentation updates to clarify cleanup usage (assertions should not
be used in cleanup)
- Documentation update to clearly indicate that exit functions should
run even if init fails
- Several fixes and enhancements to existing tests
* tag 'linux-kselftest-kunit-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
MAINTAINERS: Add source tree entry for kunit
Documentation: kunit: Rename references to kunit_abort()
kunit: Move kunit_abort() call out of kunit_do_failed_assertion()
kunit: Fix obsolete name in documentation headers (func->action)
Documentation: Kunit: add MODULE_LICENSE to sample code
kunit: Update kunit_print_ok_not_ok function
kunit: Fix reporting of the skipped parameterized tests
kunit/test: Add example test showing parameterized testing
Documentation: kunit: Add usage notes for kunit_add_action()
kunit: kmalloc_array: Use kunit_add_action()
kunit: executor_test: Use kunit_add_action()
kunit: Add kunit_add_action() to defer a call until test exit
kunit: example: Provide example exit functions
Documentation: kunit: Warn that exit functions run even if init fails
Documentation: kunit: Note that assertions should not be used in cleanup
kunit: Always run cleanup from a test kthread
Documentation: kunit: Modular tests should not depend on KUNIT=y
kunit: tool: undo type subscripts for subprocess.Popen
o Add stackprotector support.
o Fix RISC-V load-store instruction syntax to support 32-bit
binaries, plus fixes for generic 32-bit support.
o Fix use of s390 sys_fork().
o Add my_syscall6() for ARM.
o Support different platforms having different errno definitions.
o Fix ppoll/ppoll_time64 arguments (add the fifth argument).
o Force use of little endian on MIPS.
o Improved testing, for example, better handling of different
compilers and compiler versions, comparing nolibc behavior
to that of libc, and additional test cases.
o Improve syntax and header ordering.
o Use existing <linux/reboot.h> instead of redefining constants.
o Add syscall().
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Merge tag 'nolibc.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc updates from Paul McKenney:
- Add stackprotector support
- Fix RISC-V load-store instruction syntax to support 32-bit binaries,
plus fixes for generic 32-bit support
- Fix use of s390 sys_fork()
- Add my_syscall6() for ARM
- Support different platforms having different errno definitions
- Fix ppoll/ppoll_time64 arguments (add the fifth argument)
- Force use of little endian on MIPS
- Improved testing, for example, better handling of different compilers
and compiler versions, comparing nolibc behavior to that of libc, and
additional test cases
- Improve syntax and header ordering
- Use existing <linux/reboot.h> instead of redefining constants
- Add syscall()
* tag 'nolibc.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (53 commits)
selftests/nolibc: make sure gcc always use little endian on MIPS
selftests/nolibc: also count skipped and failed tests in output
selftests/nolibc: add new gettimeofday test cases
selftests/nolibc: remove gettimeofday_bad1/2 completely
selftests/nolibc: support two errnos with EXPECT_SYSER2()
tools/nolibc: open: fix up compile warning for arm
tools/nolibc: arm: add missing my_syscall6
selftests/nolibc: use INT_MAX instead of __INT_MAX__
selftests/nolibc: not include limits.h for nolibc
selftests/nolibc: fix up compile warning with glibc on x86_64
selftests/nolibc: allow specify extra arguments for qemu
selftests/nolibc: remove test gettimeofday_null
tools/nolibc: ensure fast64 integer types have 64 bits
selftests/nolibc: test_fork: fix up duplicated print
tools/nolibc: ppoll/ppoll_time64: add a missing argument
selftests/nolibc: remove the duplicated gettimeofday_bad2
selftests/nolibc: print name instead of number for EOVERFLOW
tools/nolibc: support nanoseconds in stat()
selftests/nolibc: prevent coredumps during test execution
tools/nolibc: add support for prctl()
...
This pull contains the following branches:
doc.2023.05.10a: Documentation updates
fixes.2023.05.11a: Miscellaneous fixes, perhaps most notably:
o Remove RCU_NONIDLE(). The new visibility of most of the idle
loop to RCU has obsoleted this API.
o Make the RCU_SOFTIRQ callback-invocation time limit also apply
to the rcuc kthreads that invoke callbacks for CONFIG_PREEMPT_RT.
o Add a jiffies-based callback-invocation time limit to handle
long-running callbacks. (The local_clock() function is only
invoked once per 32 callbacks due to its high overhead.)
o Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs,
which fixes a bug that can occur on systems with non-contiguous
CPU numbering.
kvfree.2023.05.10a: kvfree_rcu updates
o Eliminate the single-argument variant of k[v]free_rcu() now
that all uses have been converted to k[v]free_rcu_mightsleep().
o Add WARN_ON_ONCE() checks for k[v]free_rcu*() freeing callbacks
too soon. Yes, this is closing the barn door after the horse
has escaped, but Murphy says that there will be more horses.
nocb.2023.05.11a: Callback-offloading updates
o Fix a number of bugs involving the shrinker and lazy callbacks.
rcu-tasks.2023.05.10a: Tasks RCU updates
torture.2023.05.15a: Torture-test updates
rcu-urgent.2023.06.06a: Urgent SRCU fix (already pulled)
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Merge tag 'rcu.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
"Documentation updates
Miscellaneous fixes, perhaps most notably:
- Remove RCU_NONIDLE(). The new visibility of most of the idle loop
to RCU has obsoleted this API.
- Make the RCU_SOFTIRQ callback-invocation time limit also apply to
the rcuc kthreads that invoke callbacks for CONFIG_PREEMPT_RT.
- Add a jiffies-based callback-invocation time limit to handle
long-running callbacks. (The local_clock() function is only invoked
once per 32 callbacks due to its high overhead.)
- Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs, which
fixes a bug that can occur on systems with non-contiguous CPU
numbering.
kvfree_rcu updates:
- Eliminate the single-argument variant of k[v]free_rcu() now that
all uses have been converted to k[v]free_rcu_mightsleep().
- Add WARN_ON_ONCE() checks for k[v]free_rcu*() freeing callbacks too
soon. Yes, this is closing the barn door after the horse has
escaped, but Murphy says that there will be more horses.
Callback-offloading updates:
- Fix a number of bugs involving the shrinker and lazy callbacks.
Tasks RCU updates
Torture-test updates"
* tag 'rcu.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (32 commits)
torture: Remove duplicated argument -enable-kvm for ppc64
doc/rcutorture: Add description of rcutorture.stall_cpu_block
rcu/rcuscale: Stop kfree_scale_thread thread(s) after unloading rcuscale
rcu/rcuscale: Move rcu_scale_*() after kfree_scale_cleanup()
rcutorture: Correct name of use_softirq module parameter
locktorture: Add long_hold to adjust lock-hold delays
rcu/nocb: Make shrinker iterate only over NOCB CPUs
rcu-tasks: Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs
rcu: Make rcu_cpu_starting() rely on interrupts being disabled
rcu: Mark rcu_cpu_kthread() accesses to ->rcu_cpu_has_work
rcu: Mark additional concurrent load from ->cpu_no_qs.b.exp
rcu: Employ jiffies-based backstop to callback time limit
rcu: Check callback-invocation time limit for rcuc kthreads
rcu: Remove RCU_NONIDLE()
rcu: Add more RCU files to kernel-api.rst
rcu-tasks: Clarify the cblist_init_generic() function's pr_info() output
rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()
rcu/nocb: Recheck lazy callbacks under the ->nocb_lock from shrinker
rcu/nocb: Fix shrinker race against callback enqueuer
rcu/nocb: Protect lazy shrinker against concurrent (de-)offloading
...
* Improvements
- Support Pin Assignment D in getting mux state.
- Emit an uevent when EC panics so that userland programs get chance
to capture EC coredumps (LPC interface only).
- Send EC_CMD_HOST_SLEEP_EVENT to EC at the very beginning/end of
system suspend/resume so that EC can watch the duration more
accurately (LPC interface only).
* Misc
- Switch back from I2C .probe_new() to .probe().
- Use %*ph for printing hexdump of small buffers.
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Merge tag 'tag-chrome-platform-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"Improvements:
- Support Pin Assignment D in getting mux state
- Emit an uevent when EC panics so that userland programs get chance
to capture EC coredumps (LPC interface only)
- Send EC_CMD_HOST_SLEEP_EVENT to EC at the very beginning/end of
system suspend/resume so that EC can watch the duration more
accurately (LPC interface only)
Misc:
- Switch back from I2C .probe_new() to .probe()
- Use %*ph for printing hexdump of small buffers"
* tag 'tag-chrome-platform-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_spi: Use %*ph for printing hexdump of a small buffer
platform/chrome: Switch i2c drivers back to use .probe()
platform/chrome: cros_ec_lpc: Move host command to prepare/complete
platform/chrome: cros_ec: Report EC panic as uevent
platform/chrome: cros_typec_switch: Add Pin D support
- Add new IOCTLs to the int340x thermal driver to allow user space to
retrieve the Passive v2 thermal table (Srinivas Pandruvada).
- Add DT bindings for SM6375, MSM8226 and QCM2290 Qcom platforms (Konrad
Dybcio).
- Add DT bindings and support for QCom MSM8226 (Matti Lehtimäki).
- Add DT bindings for QCom ipq9574 (Praveenkumar I).
- Convert bcm2835 DT bindings to the yaml schema (Stefan Wahren).
- Allow selecting the bang-bang governor as default (Thierry Reding).
- Refactor and prepare the code to set the scene for RCar Gen4 (Wolfram
Sang).
- Clean up and fix the QCom tsens drivers. Add DT bindings and
calibration for the MSM8909 platform (Stephan Gerhold).
- Revert a patch introducing a wrong usage of devm_of_iomap() on the
Mediatek platform (Ricardo Cañuelo).
- Fix the clock vs reset ordering in order to conform to the
documentation on the sun8i (Christophe JAILLET).
- Prevent setting up undocumented registers, enable the only described
sensors and add the version 2.1 on the Qoriq sensor (Peng Fan).
- Add DT bindings and support for the Armada AP807 (Alex Leibovich).
- Update the mlx5 driver with the recent thermal changes (Daniel
Lezcano).
- Convert to platform remove callback returning void on STM32 (Uwe
Kleine-König).
- Add an error information printing for devm_thermal_add_hwmon_sysfs()
and remove the error from the Sun8i, Amlogic, i.MX, TI, K3, Tegra,
Qoriq, Mediateka and QCom (Yangtao Li).
- Register as hwmon sensor for the Generic ADC (Chen-Yu Tsai).
- Use the dev_err_probe() function in the QCom tsens alarm driver (Luca
Weiss).
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Merge tag 'thermal-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These extend the int340x thermal driver, add thermal DT bindings for
some Qcom platforms, add DT bindings and support for Armada AP807 and
MSM8909, allow selecting the bang-bang thermal governor as the default
one, address issues in several thermal drivers for ARM platforms and
clean up code.
Specifics:
- Add new IOCTLs to the int340x thermal driver to allow user space to
retrieve the Passive v2 thermal table (Srinivas Pandruvada)
- Add DT bindings for SM6375, MSM8226 and QCM2290 Qcom platforms
(Konrad Dybcio)
- Add DT bindings and support for QCom MSM8226 (Matti Lehtimäki)
- Add DT bindings for QCom ipq9574 (Praveenkumar I)
- Convert bcm2835 DT bindings to the yaml schema (Stefan Wahren)
- Allow selecting the bang-bang governor as default (Thierry Reding)
- Refactor and prepare the code to set the scene for RCar Gen4
(Wolfram Sang)
- Clean up and fix the QCom tsens drivers. Add DT bindings and
calibration for the MSM8909 platform (Stephan Gerhold)
- Revert a patch introducing a wrong usage of devm_of_iomap() on the
Mediatek platform (Ricardo Cañuelo)
- Fix the clock vs reset ordering in order to conform to the
documentation on the sun8i (Christophe JAILLET)
- Prevent setting up undocumented registers, enable the only
described sensors and add the version 2.1 on the Qoriq sensor (Peng
Fan)
- Add DT bindings and support for the Armada AP807 (Alex Leibovich)
- Update the mlx5 driver with the recent thermal changes (Daniel
Lezcano)
- Convert to platform remove callback returning void on STM32 (Uwe
Kleine-König)
- Add an error information printing for devm_thermal_add_hwmon_sysfs()
and remove the error from the Sun8i, Amlogic, i.MX, TI, K3, Tegra,
Qoriq, Mediateka and QCom (Yangtao Li)
- Register as hwmon sensor for the Generic ADC (Chen-Yu Tsai)
- Use the dev_err_probe() function in the QCom tsens alarm driver
(Luca Weiss)"
* tag 'thermal-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (39 commits)
thermal/drivers/qcom/temp-alarm: Use dev_err_probe
thermal/drivers/generic-adc: Register thermal zones as hwmon sensors
thermal/drivers/mediatek/lvts_thermal: Remove redundant msg in lvts_ctrl_start()
thermal/drivers/qcom: Remove redundant msg at probe time
thermal/drivers/ti-soc: Remove redundant msg in ti_thermal_expose_sensor()
thermal/drivers/qoriq: Remove redundant msg in qoriq_tmu_register_tmu_zone()
thermal/drivers/tegra: Remove redundant msg in tegra_tsensor_register_channel()
drivers/thermal/k3: Remove redundant msg in k3_bandgap_probe()
thermal/drivers/imx: Remove redundant msg in imx8mm_tmu_probe() and imx_sc_thermal_probe()
thermal/drivers/amlogic: Remove redundant msg in amlogic_thermal_probe()
thermal/drivers/sun8i: Remove redundant msg in sun8i_ths_register()
thermal/hwmon: Add error information printing for devm_thermal_add_hwmon_sysfs()
thermal/drivers/stm32: Convert to platform remove callback returning void
net/mlx5: Update the driver with the recent thermal changes
thermal/drivers/armada: Add support for AP807 thermal data
dt-bindings: armada-thermal: Add armada-ap807-thermal compatible
thermal/drivers/qoriq: Support version 2.1
thermal/drivers/qoriq: Only enable supported sensors
thermal/drivers/qoriq: No need to program site adjustment register
thermal/drivers/mediatek/lvts_thermal: Register thermal zones as hwmon sensors
...
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter).
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui).
- Fix invalid initialization for pl4_supported field in the Intel RAPL
power capping driver (Sumeet Pawnikar).
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven).
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny).
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny).
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo).
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng).
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui).
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann).
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello).
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson).
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich).
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET).
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski).
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary).
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Merge tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add Intel TPMI (Topology Aware Register and PM Capsule
Interface) support to the power capping subsystem, extend the
intel_idle driver to work in VM guests where MWAIT is not available,
extend the system-wide power management diagnostics, fix bugs and
clean up code.
Specifics:
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter)
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui)
- Fix invalid initialization for pl4_supported field in the Intel
RAPL power capping driver (Sumeet Pawnikar)
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven)
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny)
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny)
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo)
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng)
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui)
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann)
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello)
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson)
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich)
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET)
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski)
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary)"
* tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (42 commits)
intel_idle: Add a "Long HLT" C1 state for the VM guest mode
cpufreq: intel_pstate: Fix energy_performance_preference for passive
cpufreq: amd-pstate: Add a kernel config option to set default mode
cpufreq: amd-pstate: Set a fallback policy based on preferred_profile
ACPI: CPPC: Add definition for undefined FADT preferred PM profile value
cpufreq: amd-pstate: Set default governor to schedutil
PM: domains: Move the verification of in-params from genpd_add_device()
cpufreq: amd-pstate: Make amd-pstate EPP driver name hyphenated
cpufreq: amd-pstate: Write CPPC enable bit per-socket
intel_idle: Add support for using intel_idle in a VM guest using just hlt
cpufreq: Fail driver register if it has adjust_perf without fast_switch
intel_idle: clean up the (new) state_update_enter_method function
intel_idle: refactor state->enter manipulation into its own function
platform/x86/amd: pmc: Use pm_pr_dbg() for suspend related messages
pinctrl: amd: Use pm_pr_dbg to show debugging messages
ACPI: x86: Add pm_debug_messages for LPS0 _DSM state tracking
include/linux/suspend.h: Only show pm_pr_dbg messages at suspend/resume
powercap: RAPL: Fix a NULL vs IS_ERR() bug
powercap: RAPL: Fix CONFIG_IOSF_MBI dependency
powercap: RAPL: fix invalid initialization for pl4_supported field
...
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki).
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello).
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann).
- Drop several ACPI resource management quirks related to IRQ ovverides
on AMD "Zen" systems (Mario Limonciello).
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella).
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede).
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad X131e
(3371 AMD version) and Apple iMac11,3 and stop trying to use vendor
backlight control on relatively recent systems (Hans de Goede).
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede).
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann).
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki).
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki).
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang).
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin).
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc).
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla).
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Merge tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These rework the handling of notifications in ACPI button drivers (to
enable future simplifications and cleanups), clean up the ACPI thermal
driver, update the ACPI backlight driver, add quirks working around
AML bugs on some systems, fix some assorted issues and clean up code.
Specifics:
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki)
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello)
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann)
- Drop several ACPI resource management quirks related to IRQ
ovverides on AMD "Zen" systems (Mario Limonciello)
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella)
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede)
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad
X131e (3371 AMD version) and Apple iMac11,3 and stop trying to use
vendor backlight control on relatively recent systems (Hans de
Goede)
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede)
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann)
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki)
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki)
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang)
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin)
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc)
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla)"
* tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (30 commits)
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
ACPI: thermal: Drop struct acpi_thermal_flags
ACPI: thermal: Drop struct acpi_thermal_state
ACPI: bus: Simplify installation and removal of notify callback
ACPI: tiny-power-button: Eliminate the driver notify callback
ACPI: button: Use different notify handlers for lid and buttons
ACPI: button: Eliminate the driver notify callback
ACPI: thermal: Eliminate struct acpi_thermal_state_flags
ACPI: thermal: Move acpi_thermal_driver definition
ACPI: thermal: Move symbol definitions to one place
ACPI: thermal: Drop redundant ACPI_TRIPS_REFRESH_DEVICES symbol
ACPI: thermal: Use BIT() macro for defining flags
APEI: GHES: correctly return NULL for ghes_get_devices()
ACPI: FFH: Drop the inclusion of linux/arm-smccc.h
ACPI: PAD: mark Zhaoxin CPUs NONSTOP TSC correctly
ACPI: APEI: mark bert_disable as __initdata
ACPI: EC: Clear GPE on interrupt handling only
ACPI: video: Stop trying to use vendor backlight control on laptops from after ~2012
ACPI: x86: s2idle: Adjust Microsoft LPS0 _DSM handling sequence
ACPI: resource: Remove "Zen" specific match and quirks
...
- Support for the Armv8.9 Permission Indirection Extensions. While this
feature doesn't add new functionality, it enables future support for
Guarded Control Stacks (GCS) and Permission Overlays.
- User-space support for the Armv8.8 memcpy/memset instructions.
- arm64 perf: support the HiSilicon SoC uncore PMU, Arm CMN sysfs
identifier, support for the NXP i.MX9 SoC DDRC PMU, fixes and
cleanups.
- Removal of superfluous ISBs on context switch (following retrospective
architecture tightening).
- Decode the ISS2 register during faults for additional information to
help with debugging.
- KPTI clean-up/simplification of the trampoline exit code.
- Addressing several -Wmissing-prototype warnings.
- Kselftest improvements for signal handling and ptrace.
- Fix TPIDR2_EL0 restoring on sigreturn
- Clean-up, robustness improvements of the module allocation code.
- More sysreg conversions to the automatic register/bitfields
generation.
- CPU capabilities handling cleanup.
- Arm documentation updates: ACPI, ptdump.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"Notable features are user-space support for the memcpy/memset
instructions and the permission indirection extension.
- Support for the Armv8.9 Permission Indirection Extensions. While
this feature doesn't add new functionality, it enables future
support for Guarded Control Stacks (GCS) and Permission Overlays
- User-space support for the Armv8.8 memcpy/memset instructions
- arm64 perf: support the HiSilicon SoC uncore PMU, Arm CMN sysfs
identifier, support for the NXP i.MX9 SoC DDRC PMU, fixes and
cleanups
- Removal of superfluous ISBs on context switch (following
retrospective architecture tightening)
- Decode the ISS2 register during faults for additional information
to help with debugging
- KPTI clean-up/simplification of the trampoline exit code
- Addressing several -Wmissing-prototype warnings
- Kselftest improvements for signal handling and ptrace
- Fix TPIDR2_EL0 restoring on sigreturn
- Clean-up, robustness improvements of the module allocation code
- More sysreg conversions to the automatic register/bitfields
generation
- CPU capabilities handling cleanup
- Arm documentation updates: ACPI, ptdump"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (124 commits)
kselftest/arm64: Add a test case for TPIDR2 restore
arm64/signal: Restore TPIDR2 register rather than memory state
arm64: alternatives: make clean_dcache_range_nopatch() noinstr-safe
Documentation/arm64: Add ptdump documentation
arm64: hibernate: remove WARN_ON in save_processor_state
kselftest/arm64: Log signal code and address for unexpected signals
docs: perf: Fix warning from 'make htmldocs' in hisi-pmu.rst
arm64/fpsimd: Exit streaming mode when flushing tasks
docs: perf: Add new description for HiSilicon UC PMU
drivers/perf: hisi: Add support for HiSilicon UC PMU driver
drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver
perf: arm_cspmu: Add missing MODULE_DEVICE_TABLE
perf/arm-cmn: Add sysfs identifier
perf/arm-cmn: Revamp model detection
perf/arm_dmc620: Add cpumask
arm64: mm: fix VA-range sanity check
arm64/mm: remove now-superfluous ISBs from TTBR writes
Documentation/arm64: Update ACPI tables from BBR
Documentation/arm64: Update references in arm-acpi
Documentation/arm64: Update ARM and arch reference
...
Development updates for v6.5-rc1
- lots of build cleanups from Arnd spread throughout the arch/arm tree
- replace strlcpy() with the preferred strscpy()
- use sign_extend32() in the module linker
- drop handle_irq() machine descriptor method
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- lots of build cleanups from Arnd spread throughout the arch/arm tree
- replace strlcpy() with the preferred strscpy()
- use sign_extend32() in the module linker
- drop handle_irq() machine descriptor method
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9315/1: fiq: include asm/mach/irq.h for prototypes
ARM: 9314/1: tcm: move tcm_init() prototype to asm/tcm.h
ARM: 9313/1: vdso: add missing prototypes
ARM: 9312/1: vfp: include asm/neon.h in vfpmodule.c
ARM: 9311/1: decompressor: move function prototypes to misc.h
ARM: 9310/1: xip-kernel: add __inflate_kernel_data prototype
ARM: 9309/1: add missing syscall prototypes
ARM: 9308/1: move setup functions to header
ARM: 9307/1: nommu: include asm/idmap.h
ARM: 9306/1: cacheflush: avoid __flush_anon_page() missing-prototype warning
ARM: 9305/1: add clear/copy_user_highpage declarations
ARM: 9304/1: add prototype for function called only from asm
ARM: 9303/1: kprobes: avoid missing-declaration warnings
ARM: 9302/1: traps: hide unused functions on NOMMU
ARM: 9301/1: dma-mapping: hide unused dma_contiguous_early_fixup function
ARM: 9300/1: Replace all non-returning strlcpy with strscpy
ARM: 9299/1: module: use sign_extend32() to extend the signedness
ARM: 9298/1: Drop custom mdesc->handle_irq()
- Remove repeated 'the' in comments
- Remove unused current_untag_mask()
- Document urgent tip branch timing
- Clean up MSR kernel-doc notation
- Clean up paravirt_ops doc
- Update Srivatsa S. Bhat's maintained areas
- Remove unused extern declaration acpi_copy_wakeup_routine()
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Merge tag 'x86_cleanups_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Dave Hansen:
"As usual, these are all over the map. The biggest cluster is work from
Arnd to eliminate -Wmissing-prototype warnings:
- Address -Wmissing-prototype warnings
- Remove repeated 'the' in comments
- Remove unused current_untag_mask()
- Document urgent tip branch timing
- Clean up MSR kernel-doc notation
- Clean up paravirt_ops doc
- Update Srivatsa S. Bhat's maintained areas
- Remove unused extern declaration acpi_copy_wakeup_routine()"
* tag 'x86_cleanups_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86/acpi: Remove unused extern declaration acpi_copy_wakeup_routine()
Documentation: virt: Clean up paravirt_ops doc
x86/mm: Remove unused current_untag_mask()
x86/mm: Remove repeated word in comments
x86/lib/msr: Clean up kernel-doc notation
x86/platform: Avoid missing-prototype warnings for OLPC
x86/mm: Add early_memremap_pgprot_adjust() prototype
x86/usercopy: Include arch_wb_cache_pmem() declaration
x86/vdso: Include vdso/processor.h
x86/mce: Add copy_mc_fragile_handle_tail() prototype
x86/fbdev: Include asm/fb.h as needed
x86/hibernate: Declare global functions in suspend.h
x86/entry: Add do_SYSENTER_32() prototype
x86/quirks: Include linux/pnp.h for arch_pnpbios_disabled()
x86/mm: Include asm/numa.h for set_highmem_pages_init()
x86: Avoid missing-prototype warnings for doublefault code
x86/fpu: Include asm/fpu/regset.h
x86: Add dummy prototype for mk_early_pgtbl_32()
x86/pci: Mark local functions as 'static'
x86/ftrace: Move prepare_ftrace_return prototype to header
...
a fatal shutdown during TDX private<=>shared conversion
- Annotate sites where VM "exit reasons" are reused as hypercall
numbers.
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Merge tag 'x86_tdx_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 tdx updates from Dave Hansen:
- Fix a race window where load_unaligned_zeropad() could cause a fatal
shutdown during TDX private<=>shared conversion
The race has never been observed in practice but might allow
load_unaligned_zeropad() to catch a TDX page in the middle of its
conversion process which would lead to a fatal and unrecoverable
guest shutdown.
- Annotate sites where VM "exit reasons" are reused as hypercall
numbers.
* tag 'x86_tdx_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Fix enc_status_change_finish_noop()
x86/tdx: Fix race between set_memory_encrypted() and load_unaligned_zeropad()
x86/mm: Allow guest.enc_status_change_prepare() to fail
x86/tdx: Wrap exit reason with hcall_func()
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Merge tag 'x86_platform_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Dave Hansen:
"Allow CPUs in SGX/HPE Ultraviolet to start using Sub-NUMA clustering
(SNC) mode. SNC has been around outside the UV world for a while but
evidently never worked on UV systems.
SNC is rather notorious for breaking bad assumptions of a 1:1
relationship between physical sockets and NUMA nodes. The UV code was
rather prolific with these assumptions and took quite a bit of
refactoring to remove them"
* tag 'x86_platform_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/uv: Update UV[23] platform code for SNC
x86/platform/uv: Remove remaining BUG_ON() and BUG() calls
x86/platform/uv: UV support for sub-NUMA clustering
x86/platform/uv: Helper functions for allocating and freeing conversion tables
x86/platform/uv: When searching for minimums, start at INT_MAX not 99999
x86/platform/uv: Fix printed information in calc_mmioh_map
x86/platform/uv: Introduce helper function uv_pnode_to_socket.
x86/platform/uv: Add platform resolving #defines for misc GAM_MMIOH_REDIRECT*
Linus Torvalds
Dinh Nguyen