mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-24 12:44:11 +08:00
70045dafdf
1527 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Arnd Bergmann
|
505d66d1ab |
clone3: drop __ARCH_WANT_SYS_CLONE3 macro
When clone3() was introduced, it was not obvious how each architecture deals with setting up the stack and keeping the register contents in a fork()-like system call, so this was left for the architecture maintainers to implement, with __ARCH_WANT_SYS_CLONE3 defined by those that already implement it. Five years later, we still have a few architectures left that are missing clone3(), and the macro keeps getting in the way as it's fundamentally different from all the other __ARCH_WANT_SYS_* macros that are meant to provide backwards-compatibility with applications using older syscalls that are no longer provided by default. Address this by reversing the polarity of the macro, adding an __ARCH_BROKEN_SYS_CLONE3 macro to all architectures that don't already provide the syscall, and remove __ARCH_WANT_SYS_CLONE3 from all the other ones. Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
Linus Torvalds
|
3eb3c33c1d |
asm-generic cleanups for 6.10
These are a few cross-architecture cleanup patches:
- Thomas Zimmermann works on separating fbdev support from the asm/video.h
contents that may be used by either the old fbdev drivers or the
newer drm display code.
- Thorsten Blum contributes cleanups for the generic bitops code
and asm-generic/bug.h
- I remove the orphaned include/asm-generic/page.h header that used to
included by long-removed mmu-less architectures.
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Merge tag 'asm-generic-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cleanups from Arnd Bergmann:
"These are a few cross-architecture cleanup patches:
- separate out fbdev support from the asm/video.h contents that may
be used by either the old fbdev drivers or the newer drm display
code (Thomas Zimmermann)
- cleanups for the generic bitops code and asm-generic/bug.h
(Thorsten Blum)
- remove the orphaned include/asm-generic/page.h header that used to
be included by long-removed mmu-less architectures (me)"
* tag 'asm-generic-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
arch: Fix name collision with ACPI's video.o
bug: Improve comment
asm-generic: remove unused asm-generic/page.h
arch: Rename fbdev header and source files
arch: Remove struct fb_info from video helpers
arch: Select fbdev helpers with CONFIG_VIDEO
bitops: Change function return types from long to int
|
||
|
Linus Torvalds
|
61307b7be4 |
The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs. Notable
series include:
- Lucas Stach has provided some page-mapping
cleanup/consolidation/maintainability work in the series "mm/treewide:
Remove pXd_huge() API".
- In the series "Allow migrate on protnone reference with
MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
MPOL_PREFERRED_MANY mode, yielding almost doubled performance in one
test.
- In their series "Memory allocation profiling" Kent Overstreet and
Suren Baghdasaryan have contributed a means of determining (via
/proc/allocinfo) whereabouts in the kernel memory is being allocated:
number of calls and amount of memory.
- Matthew Wilcox has provided the series "Various significant MM
patches" which does a number of rather unrelated things, but in largely
similar code sites.
- In his series "mm: page_alloc: freelist migratetype hygiene" Johannes
Weiner has fixed the page allocator's handling of migratetype requests,
with resulting improvements in compaction efficiency.
- In the series "make the hugetlb migration strategy consistent" Baolin
Wang has fixed a hugetlb migration issue, which should improve hugetlb
allocation reliability.
- Liu Shixin has hit an I/O meltdown caused by readahead in a
memory-tight memcg. Addressed in the series "Fix I/O high when memory
almost met memcg limit".
- In the series "mm/filemap: optimize folio adding and splitting" Kairui
Song has optimized pagecache insertion, yielding ~10% performance
improvement in one test.
- Baoquan He has cleaned up and consolidated the early zone
initialization code in the series "mm/mm_init.c: refactor
free_area_init_core()".
- Baoquan has also redone some MM initializatio code in the series
"mm/init: minor clean up and improvement".
- MM helper cleanups from Christoph Hellwig in his series "remove
follow_pfn".
- More cleanups from Matthew Wilcox in the series "Various page->flags
cleanups".
- Vlastimil Babka has contributed maintainability improvements in the
series "memcg_kmem hooks refactoring".
- More folio conversions and cleanups in Matthew Wilcox's series
"Convert huge_zero_page to huge_zero_folio"
"khugepaged folio conversions"
"Remove page_idle and page_young wrappers"
"Use folio APIs in procfs"
"Clean up __folio_put()"
"Some cleanups for memory-failure"
"Remove page_mapping()"
"More folio compat code removal"
- David Hildenbrand chipped in with "fs/proc/task_mmu: convert hugetlb
functions to work on folis".
- Code consolidation and cleanup work related to GUP's handling of
hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
- Rick Edgecombe has developed some fixes to stack guard gaps in the
series "Cover a guard gap corner case".
- Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the series
"mm/ksm: fix ksm exec support for prctl".
- Baolin Wang has implemented NUMA balancing for multi-size THPs. This
is a simple first-cut implementation for now. The series is "support
multi-size THP numa balancing".
- Cleanups to vma handling helper functions from Matthew Wilcox in the
series "Unify vma_address and vma_pgoff_address".
- Some selftests maintenance work from Dev Jain in the series
"selftests/mm: mremap_test: Optimizations and style fixes".
- Improvements to the swapping of multi-size THPs from Ryan Roberts in
the series "Swap-out mTHP without splitting".
- Kefeng Wang has significantly optimized the handling of arm64's
permission page faults in the series
"arch/mm/fault: accelerate pagefault when badaccess"
"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
- GUP cleanups from David Hildenbrand in "mm/gup: consistently call it
GUP-fast".
- hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault path to
use struct vm_fault".
- selftests build fixes from John Hubbard in the series "Fix
selftests/mm build without requiring "make headers"".
- Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
series "Improved Memory Tier Creation for CPUless NUMA Nodes". Fixes
the initialization code so that migration between different memory types
works as intended.
- David Hildenbrand has improved follow_pte() and fixed an errant driver
in the series "mm: follow_pte() improvements and acrn follow_pte()
fixes".
- David also did some cleanup work on large folio mapcounts in his
series "mm: mapcount for large folios + page_mapcount() cleanups".
- Folio conversions in KSM in Alex Shi's series "transfer page to folio
in KSM".
- Barry Song has added some sysfs stats for monitoring multi-size THP's
in the series "mm: add per-order mTHP alloc and swpout counters".
- Some zswap cleanups from Yosry Ahmed in the series "zswap same-filled
and limit checking cleanups".
- Matthew Wilcox has been looking at buffer_head code and found the
documentation to be lacking. The series is "Improve buffer head
documentation".
- Multi-size THPs get more work, this time from Lance Yang. His series
"mm/madvise: enhance lazyfreeing with mTHP in madvise_free" optimizes
the freeing of these things.
- Kemeng Shi has added more userspace-visible writeback instrumentation
in the series "Improve visibility of writeback".
- Kemeng Shi then sent some maintenance work on top in the series "Fix
and cleanups to page-writeback".
- Matthew Wilcox reduces mmap_lock traffic in the anon vma code in the
series "Improve anon_vma scalability for anon VMAs". Intel's test bot
reported an improbable 3x improvement in one test.
- SeongJae Park adds some DAMON feature work in the series
"mm/damon: add a DAMOS filter type for page granularity access recheck"
"selftests/damon: add DAMOS quota goal test"
- Also some maintenance work in the series
"mm/damon/paddr: simplify page level access re-check for pageout"
"mm/damon: misc fixes and improvements"
- David Hildenbrand has disabled some known-to-fail selftests ni the
series "selftests: mm: cow: flag vmsplice() hugetlb tests as XFAIL".
- memcg metadata storage optimizations from Shakeel Butt in "memcg:
reduce memory consumption by memcg stats".
- DAX fixes and maintenance work from Vishal Verma in the series
"dax/bus.c: Fixups for dax-bus locking".
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Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull mm updates from Andrew Morton:
"The usual shower of singleton fixes and minor series all over MM,
documented (hopefully adequately) in the respective changelogs.
Notable series include:
- Lucas Stach has provided some page-mapping cleanup/consolidation/
maintainability work in the series "mm/treewide: Remove pXd_huge()
API".
- In the series "Allow migrate on protnone reference with
MPOL_PREFERRED_MANY policy", Donet Tom has optimized mempolicy's
MPOL_PREFERRED_MANY mode, yielding almost doubled performance in
one test.
- In their series "Memory allocation profiling" Kent Overstreet and
Suren Baghdasaryan have contributed a means of determining (via
/proc/allocinfo) whereabouts in the kernel memory is being
allocated: number of calls and amount of memory.
- Matthew Wilcox has provided the series "Various significant MM
patches" which does a number of rather unrelated things, but in
largely similar code sites.
- In his series "mm: page_alloc: freelist migratetype hygiene"
Johannes Weiner has fixed the page allocator's handling of
migratetype requests, with resulting improvements in compaction
efficiency.
- In the series "make the hugetlb migration strategy consistent"
Baolin Wang has fixed a hugetlb migration issue, which should
improve hugetlb allocation reliability.
- Liu Shixin has hit an I/O meltdown caused by readahead in a
memory-tight memcg. Addressed in the series "Fix I/O high when
memory almost met memcg limit".
- In the series "mm/filemap: optimize folio adding and splitting"
Kairui Song has optimized pagecache insertion, yielding ~10%
performance improvement in one test.
- Baoquan He has cleaned up and consolidated the early zone
initialization code in the series "mm/mm_init.c: refactor
free_area_init_core()".
- Baoquan has also redone some MM initializatio code in the series
"mm/init: minor clean up and improvement".
- MM helper cleanups from Christoph Hellwig in his series "remove
follow_pfn".
- More cleanups from Matthew Wilcox in the series "Various
page->flags cleanups".
- Vlastimil Babka has contributed maintainability improvements in the
series "memcg_kmem hooks refactoring".
- More folio conversions and cleanups in Matthew Wilcox's series:
"Convert huge_zero_page to huge_zero_folio"
"khugepaged folio conversions"
"Remove page_idle and page_young wrappers"
"Use folio APIs in procfs"
"Clean up __folio_put()"
"Some cleanups for memory-failure"
"Remove page_mapping()"
"More folio compat code removal"
- David Hildenbrand chipped in with "fs/proc/task_mmu: convert
hugetlb functions to work on folis".
- Code consolidation and cleanup work related to GUP's handling of
hugetlbs in Peter Xu's series "mm/gup: Unify hugetlb, part 2".
- Rick Edgecombe has developed some fixes to stack guard gaps in the
series "Cover a guard gap corner case".
- Jinjiang Tu has fixed KSM's behaviour after a fork+exec in the
series "mm/ksm: fix ksm exec support for prctl".
- Baolin Wang has implemented NUMA balancing for multi-size THPs.
This is a simple first-cut implementation for now. The series is
"support multi-size THP numa balancing".
- Cleanups to vma handling helper functions from Matthew Wilcox in
the series "Unify vma_address and vma_pgoff_address".
- Some selftests maintenance work from Dev Jain in the series
"selftests/mm: mremap_test: Optimizations and style fixes".
- Improvements to the swapping of multi-size THPs from Ryan Roberts
in the series "Swap-out mTHP without splitting".
- Kefeng Wang has significantly optimized the handling of arm64's
permission page faults in the series
"arch/mm/fault: accelerate pagefault when badaccess"
"mm: remove arch's private VM_FAULT_BADMAP/BADACCESS"
- GUP cleanups from David Hildenbrand in "mm/gup: consistently call
it GUP-fast".
- hugetlb fault code cleanups from Vishal Moola in "Hugetlb fault
path to use struct vm_fault".
- selftests build fixes from John Hubbard in the series "Fix
selftests/mm build without requiring "make headers"".
- Memory tiering fixes/improvements from Ho-Ren (Jack) Chuang in the
series "Improved Memory Tier Creation for CPUless NUMA Nodes".
Fixes the initialization code so that migration between different
memory types works as intended.
- David Hildenbrand has improved follow_pte() and fixed an errant
driver in the series "mm: follow_pte() improvements and acrn
follow_pte() fixes".
- David also did some cleanup work on large folio mapcounts in his
series "mm: mapcount for large folios + page_mapcount() cleanups".
- Folio conversions in KSM in Alex Shi's series "transfer page to
folio in KSM".
- Barry Song has added some sysfs stats for monitoring multi-size
THP's in the series "mm: add per-order mTHP alloc and swpout
counters".
- Some zswap cleanups from Yosry Ahmed in the series "zswap
same-filled and limit checking cleanups".
- Matthew Wilcox has been looking at buffer_head code and found the
documentation to be lacking. The series is "Improve buffer head
documentation".
- Multi-size THPs get more work, this time from Lance Yang. His
series "mm/madvise: enhance lazyfreeing with mTHP in madvise_free"
optimizes the freeing of these things.
- Kemeng Shi has added more userspace-visible writeback
instrumentation in the series "Improve visibility of writeback".
- Kemeng Shi then sent some maintenance work on top in the series
"Fix and cleanups to page-writeback".
- Matthew Wilcox reduces mmap_lock traffic in the anon vma code in
the series "Improve anon_vma scalability for anon VMAs". Intel's
test bot reported an improbable 3x improvement in one test.
- SeongJae Park adds some DAMON feature work in the series
"mm/damon: add a DAMOS filter type for page granularity access recheck"
"selftests/damon: add DAMOS quota goal test"
- Also some maintenance work in the series
"mm/damon/paddr: simplify page level access re-check for pageout"
"mm/damon: misc fixes and improvements"
- David Hildenbrand has disabled some known-to-fail selftests ni the
series "selftests: mm: cow: flag vmsplice() hugetlb tests as
XFAIL".
- memcg metadata storage optimizations from Shakeel Butt in "memcg:
reduce memory consumption by memcg stats".
- DAX fixes and maintenance work from Vishal Verma in the series
"dax/bus.c: Fixups for dax-bus locking""
* tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (426 commits)
memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order
selftests/mm: hugetlb_madv_vs_map: avoid test skipping by querying hugepage size at runtime
mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_wp
mm/hugetlb: add missing VM_FAULT_SET_HINDEX in hugetlb_fault
selftests: cgroup: add tests to verify the zswap writeback path
mm: memcg: make alloc_mem_cgroup_per_node_info() return bool
mm/damon/core: fix return value from damos_wmark_metric_value
mm: do not update memcg stats for NR_{FILE/SHMEM}_PMDMAPPED
selftests: cgroup: remove redundant enabling of memory controller
Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree
Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT
Docs/mm/damon/design: use a list for supported filters
Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command
Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file
selftests/damon: classify tests for functionalities and regressions
selftests/damon/_damon_sysfs: use 'is' instead of '==' for 'None'
selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts
selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
mm/damon/core: initialize ->esz_bp from damos_quota_init_priv()
selftests/damon: add a test for DAMOS quota goal
...
|
||
Geert Uytterhoeven
|
efe976b7ee |
sh: setup: Add missing forward declaration for sh_fdt_init()
arch/sh/kernel/setup.c:244:12: warning: no previous prototype for 'sh_fdt_init' [-Wmissing-prototypes] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/7e3ea09e706a075bceb6bfd172990676e79be1c2.1715606232.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
Thomas Zimmermann
|
2fd001cd36
|
arch: Rename fbdev header and source files
The per-architecture fbdev code has no dependencies on fbdev and can be used for any video-related subsystem. Rename the files to 'video'. Use video-sti.c on parisc as the source file depends on CONFIG_STI_CORE. On arc, arm, arm64, sh, and um the asm header file is an empty wrapper around the file in asm-generic. Let Kbuild generate the file. The build system does this automatically. Only um needs to generate video.h explicitly, so that it overrides the host architecture's header. The latter would otherwise interfere with the build. Further update all includes statements, include guards, and Makefiles. Also update a few strings and comments to refer to video instead of fbdev. v3: - arc, arm, arm64, sh: generate asm header via build system (Sam, Helge, Arnd) - um: rename fb.h to video.h - fix typo in commit message (Sam) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Cc: Vineet Gupta <vgupta@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: WANG Xuerui <kernel@xen0n.name> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Geert Uytterhoeven
|
fcd9a89248 |
sh: cache: Move forward declarations to <asm/cacheflush.h>
arch/sh/kernel/cpu/init.c:99:29: warning: no previous prototype for 'l2_cache_init' [-Wmissing-prototypes] arch/sh/kernel/cpu/sh4a/setup-sh7723.c:422:6: warning: no previous prototype for 'l2_cache_init' [-Wmissing-prototypes] arch/sh/kernel/cpu/sh4a/setup-sh7724.c:842:6: warning: no previous prototype for 'l2_cache_init' [-Wmissing-prototypes] arch/sh/mm/cache-j2.c:48:13: warning: no previous prototype for 'j2_cache_init' [-Wmissing-prototypes] arch/sh/mm/cache-sh2.c:85:13: warning: no previous prototype for 'sh2_cache_init' [-Wmissing-prototypes] arch/sh/mm/cache-sh2a.c:181:13: warning: no previous prototype for 'sh2a_cache_init' [-Wmissing-prototypes] arch/sh/mm/cache-sh3.c:90:13: warning: no previous prototype for 'sh3_cache_init' [-Wmissing-prototypes] arch/sh/mm/cache-sh4.c:384:13: warning: no previous prototype for 'sh4_cache_init' [-Wmissing-prototypes] arch/sh/mm/cache-shx3.c:18:13: warning: no previous prototype for 'shx3_cache_init' [-Wmissing-prototypes] arch/sh/mm/flush-sh4.c:106:13: warning: no previous prototype for 'sh4__flush_region_init' [-Wmissing-prototypes] arch/sh/mm/cache-sh7705.c:190:13: warning: no previous prototype for 'sh7705_cache_init' [-Wmissing-prototypes] Fix this by moving all cache-related forward declarations to <asm/cacheflush.h>, and by including the latter where needed. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/f47ab87636d16db4c47bebe1bf62650045f61989.1709579038.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Geert Uytterhoeven
|
89256d73bb |
sh: dma: Remove unused functionality
dma_extend(), get_dma_info_by_name(), register_chan_caps(), and request_dma_bycap() are unused. Remove them, and all related code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/2beb81fdd7592a94329e3c9a6ba56959f6094019.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Geert Uytterhoeven
|
9ffc9da6cc |
sh: ftrace: Fix missing prototypes
arch/sh/kernel/ftrace.c:130:6: warning: no previous prototype for ‘arch_ftrace_nmi_enter’ [-Wmissing-prototypes] arch/sh/kernel/ftrace.c:140:6: warning: no previous prototype for ‘arch_ftrace_nmi_exit’ [-Wmissing-prototypes] arch/sh/kernel/ftrace.c:316:6: warning: no previous prototype for ‘prepare_ftrace_return’ [-Wmissing-prototypes] Fix this by moving existing forward declarations to <asm/ftrace.h>, and adding the missing forward declaration for prepare_ftrace_return(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/910c8846a025e1c3b744a83ddf8e2816a3c5569d.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Geert Uytterhoeven
|
f649f1b8dd |
sh: hw_breakpoint: Add missing forward declaration for arch_bp_generic_fields()
arch/sh/kernel/hw_breakpoint.c:135:5: warning: no previous prototype for ‘arch_bp_generic_fields’ [-Wmissing-prototypes] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/566af354bf51ddc38e9eb95eac51ec00c4e42024.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Geert Uytterhoeven
|
dcead6e509 |
sh: tlb: Add missing forward declaration for handle_tlbmiss()
arch/sh/mm/tlbex_32.c:22:1: warning: no previous prototype for ‘handle_tlbmiss’ [-Wmissing-prototypes] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/23ec2c88168bd5b7e294828221531eed2f3eede8.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Geert Uytterhoeven
|
369d13571b |
sh: syscall: Add missing forward declaration for sys_cacheflush()
arch/sh/kernel/sys_sh.c:58:16: warning: no previous prototype for ‘sys_cacheflush’ [-Wmissing-prototypes] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/b1c218986fb77d78303626b43c97925809045018.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Geert Uytterhoeven
|
dd1e826d3c |
sh: fpu: Add missing forward declarations
arch/sh/kernel/cpu/sh4/fpu.c:389:6: warning: no previous prototype for ‘float_raise’ [-Wmissing-prototypes] arch/sh/kernel/cpu/sh4/fpu.c:394:5: warning: no previous prototype for ‘float_rounding_mode’ [-Wmissing-prototypes] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/1847145fc2181313b78bea8a81e6f0269d765968.1709326528.git.geert+renesas@glider.be Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
Matthew Wilcox (Oracle)
|
51718e25c5 |
mm: convert arch_clear_hugepage_flags to take a folio
All implementations that aren't no-ops just set a bit in the flags, and we want to use the folio flags rather than the page flags for that. Rename it to arch_clear_hugetlb_flags() while we're touching it so nobody thinks it's used for THP. [willy@infradead.org: fix arm64 build] Link: https://lkml.kernel.org/r/ZgQvNKGdlDkwhQEX@casper.infradead.org Link: https://lkml.kernel.org/r/20240326171045.410737-8-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
902861e34c |
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
from hotplugged memory rather than only from main memory. Series
"implement "memmap on memory" feature on s390".
- More folio conversions from Matthew Wilcox in the series
"Convert memcontrol charge moving to use folios"
"mm: convert mm counter to take a folio"
- Chengming Zhou has optimized zswap's rbtree locking, providing
significant reductions in system time and modest but measurable
reductions in overall runtimes. The series is "mm/zswap: optimize the
scalability of zswap rb-tree".
- Chengming Zhou has also provided the series "mm/zswap: optimize zswap
lru list" which provides measurable runtime benefits in some
swap-intensive situations.
- And Chengming Zhou further optimizes zswap in the series "mm/zswap:
optimize for dynamic zswap_pools". Measured improvements are modest.
- zswap cleanups and simplifications from Yosry Ahmed in the series "mm:
zswap: simplify zswap_swapoff()".
- In the series "Add DAX ABI for memmap_on_memory", Vishal Verma has
contributed several DAX cleanups as well as adding a sysfs tunable to
control the memmap_on_memory setting when the dax device is hotplugged
as system memory.
- Johannes Weiner has added the large series "mm: zswap: cleanups",
which does that.
- More DAMON work from SeongJae Park in the series
"mm/damon: make DAMON debugfs interface deprecation unignorable"
"selftests/damon: add more tests for core functionalities and corner cases"
"Docs/mm/damon: misc readability improvements"
"mm/damon: let DAMOS feeds and tame/auto-tune itself"
- In the series "mm/mempolicy: weighted interleave mempolicy and sysfs
extension" Rakie Kim has developed a new mempolicy interleaving policy
wherein we allocate memory across nodes in a weighted fashion rather
than uniformly. This is beneficial in heterogeneous memory environments
appearing with CXL.
- Christophe Leroy has contributed some cleanup and consolidation work
against the ARM pagetable dumping code in the series "mm: ptdump:
Refactor CONFIG_DEBUG_WX and check_wx_pages debugfs attribute".
- Luis Chamberlain has added some additional xarray selftesting in the
series "test_xarray: advanced API multi-index tests".
- Muhammad Usama Anjum has reworked the selftest code to make its
human-readable output conform to the TAP ("Test Anything Protocol")
format. Amongst other things, this opens up the use of third-party
tools to parse and process out selftesting results.
- Ryan Roberts has added fork()-time PTE batching of THP ptes in the
series "mm/memory: optimize fork() with PTE-mapped THP". Mainly
targeted at arm64, this significantly speeds up fork() when the process
has a large number of pte-mapped folios.
- David Hildenbrand also gets in on the THP pte batching game in his
series "mm/memory: optimize unmap/zap with PTE-mapped THP". It
implements batching during munmap() and other pte teardown situations.
The microbenchmark improvements are nice.
- And in the series "Transparent Contiguous PTEs for User Mappings" Ryan
Roberts further utilizes arm's pte's contiguous bit ("contpte
mappings"). Kernel build times on arm64 improved nicely. Ryan's series
"Address some contpte nits" provides some followup work.
- In the series "mm/hugetlb: Restore the reservation" Breno Leitao has
fixed an obscure hugetlb race which was causing unnecessary page faults.
He has also added a reproducer under the selftest code.
- In the series "selftests/mm: Output cleanups for the compaction test",
Mark Brown did what the title claims.
- Kinsey Ho has added the series "mm/mglru: code cleanup and refactoring".
- Even more zswap material from Nhat Pham. The series "fix and extend
zswap kselftests" does as claimed.
- In the series "Introduce cpu_dcache_is_aliasing() to fix DAX
regression" Mathieu Desnoyers has cleaned up and fixed rather a mess in
our handling of DAX on archiecctures which have virtually aliasing data
caches. The arm architecture is the main beneficiary.
- Lokesh Gidra's series "per-vma locks in userfaultfd" provides dramatic
improvements in worst-case mmap_lock hold times during certain
userfaultfd operations.
- Some page_owner enhancements and maintenance work from Oscar Salvador
in his series
"page_owner: print stacks and their outstanding allocations"
"page_owner: Fixup and cleanup"
- Uladzislau Rezki has contributed some vmalloc scalability improvements
in his series "Mitigate a vmap lock contention". It realizes a 12x
improvement for a certain microbenchmark.
- Some kexec/crash cleanup work from Baoquan He in the series "Split
crash out from kexec and clean up related config items".
- Some zsmalloc maintenance work from Chengming Zhou in the series
"mm/zsmalloc: fix and optimize objects/page migration"
"mm/zsmalloc: some cleanup for get/set_zspage_mapping()"
- Zi Yan has taught the MM to perform compaction on folios larger than
order=0. This a step along the path to implementaton of the merging of
large anonymous folios. The series is named "Enable >0 order folio
memory compaction".
- Christoph Hellwig has done quite a lot of cleanup work in the
pagecache writeback code in his series "convert write_cache_pages() to
an iterator".
- Some modest hugetlb cleanups and speedups in Vishal Moola's series
"Handle hugetlb faults under the VMA lock".
- Zi Yan has changed the page splitting code so we can split huge pages
into sizes other than order-0 to better utilize large folios. The
series is named "Split a folio to any lower order folios".
- David Hildenbrand has contributed the series "mm: remove
total_mapcount()", a cleanup.
- Matthew Wilcox has sought to improve the performance of bulk memory
freeing in his series "Rearrange batched folio freeing".
- Gang Li's series "hugetlb: parallelize hugetlb page init on boot"
provides large improvements in bootup times on large machines which are
configured to use large numbers of hugetlb pages.
- Matthew Wilcox's series "PageFlags cleanups" does that.
- Qi Zheng's series "minor fixes and supplement for ptdesc" does that
also. S390 is affected.
- Cleanups to our pagemap utility functions from Peter Xu in his series
"mm/treewide: Replace pXd_large() with pXd_leaf()".
- Nico Pache has fixed a few things with our hugepage selftests in his
series "selftests/mm: Improve Hugepage Test Handling in MM Selftests".
- Also, of course, many singleton patches to many things. Please see
the individual changelogs for details.
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Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
- Sumanth Korikkar has taught s390 to allocate hotplug-time page frames
from hotplugged memory rather than only from main memory. Series
"implement "memmap on memory" feature on s390".
- More folio conversions from Matthew Wilcox in the series
"Convert memcontrol charge moving to use folios"
"mm: convert mm counter to take a folio"
- Chengming Zhou has optimized zswap's rbtree locking, providing
significant reductions in system time and modest but measurable
reductions in overall runtimes. The series is "mm/zswap: optimize the
scalability of zswap rb-tree".
- Chengming Zhou has also provided the series "mm/zswap: optimize zswap
lru list" which provides measurable runtime benefits in some
swap-intensive situations.
- And Chengming Zhou further optimizes zswap in the series "mm/zswap:
optimize for dynamic zswap_pools". Measured improvements are modest.
- zswap cleanups and simplifications from Yosry Ahmed in the series
"mm: zswap: simplify zswap_swapoff()".
- In the series "Add DAX ABI for memmap_on_memory", Vishal Verma has
contributed several DAX cleanups as well as adding a sysfs tunable to
control the memmap_on_memory setting when the dax device is
hotplugged as system memory.
- Johannes Weiner has added the large series "mm: zswap: cleanups",
which does that.
- More DAMON work from SeongJae Park in the series
"mm/damon: make DAMON debugfs interface deprecation unignorable"
"selftests/damon: add more tests for core functionalities and corner cases"
"Docs/mm/damon: misc readability improvements"
"mm/damon: let DAMOS feeds and tame/auto-tune itself"
- In the series "mm/mempolicy: weighted interleave mempolicy and sysfs
extension" Rakie Kim has developed a new mempolicy interleaving
policy wherein we allocate memory across nodes in a weighted fashion
rather than uniformly. This is beneficial in heterogeneous memory
environments appearing with CXL.
- Christophe Leroy has contributed some cleanup and consolidation work
against the ARM pagetable dumping code in the series "mm: ptdump:
Refactor CONFIG_DEBUG_WX and check_wx_pages debugfs attribute".
- Luis Chamberlain has added some additional xarray selftesting in the
series "test_xarray: advanced API multi-index tests".
- Muhammad Usama Anjum has reworked the selftest code to make its
human-readable output conform to the TAP ("Test Anything Protocol")
format. Amongst other things, this opens up the use of third-party
tools to parse and process out selftesting results.
- Ryan Roberts has added fork()-time PTE batching of THP ptes in the
series "mm/memory: optimize fork() with PTE-mapped THP". Mainly
targeted at arm64, this significantly speeds up fork() when the
process has a large number of pte-mapped folios.
- David Hildenbrand also gets in on the THP pte batching game in his
series "mm/memory: optimize unmap/zap with PTE-mapped THP". It
implements batching during munmap() and other pte teardown
situations. The microbenchmark improvements are nice.
- And in the series "Transparent Contiguous PTEs for User Mappings"
Ryan Roberts further utilizes arm's pte's contiguous bit ("contpte
mappings"). Kernel build times on arm64 improved nicely. Ryan's
series "Address some contpte nits" provides some followup work.
- In the series "mm/hugetlb: Restore the reservation" Breno Leitao has
fixed an obscure hugetlb race which was causing unnecessary page
faults. He has also added a reproducer under the selftest code.
- In the series "selftests/mm: Output cleanups for the compaction
test", Mark Brown did what the title claims.
- Kinsey Ho has added the series "mm/mglru: code cleanup and
refactoring".
- Even more zswap material from Nhat Pham. The series "fix and extend
zswap kselftests" does as claimed.
- In the series "Introduce cpu_dcache_is_aliasing() to fix DAX
regression" Mathieu Desnoyers has cleaned up and fixed rather a mess
in our handling of DAX on archiecctures which have virtually aliasing
data caches. The arm architecture is the main beneficiary.
- Lokesh Gidra's series "per-vma locks in userfaultfd" provides
dramatic improvements in worst-case mmap_lock hold times during
certain userfaultfd operations.
- Some page_owner enhancements and maintenance work from Oscar Salvador
in his series
"page_owner: print stacks and their outstanding allocations"
"page_owner: Fixup and cleanup"
- Uladzislau Rezki has contributed some vmalloc scalability
improvements in his series "Mitigate a vmap lock contention". It
realizes a 12x improvement for a certain microbenchmark.
- Some kexec/crash cleanup work from Baoquan He in the series "Split
crash out from kexec and clean up related config items".
- Some zsmalloc maintenance work from Chengming Zhou in the series
"mm/zsmalloc: fix and optimize objects/page migration"
"mm/zsmalloc: some cleanup for get/set_zspage_mapping()"
- Zi Yan has taught the MM to perform compaction on folios larger than
order=0. This a step along the path to implementaton of the merging
of large anonymous folios. The series is named "Enable >0 order folio
memory compaction".
- Christoph Hellwig has done quite a lot of cleanup work in the
pagecache writeback code in his series "convert write_cache_pages()
to an iterator".
- Some modest hugetlb cleanups and speedups in Vishal Moola's series
"Handle hugetlb faults under the VMA lock".
- Zi Yan has changed the page splitting code so we can split huge pages
into sizes other than order-0 to better utilize large folios. The
series is named "Split a folio to any lower order folios".
- David Hildenbrand has contributed the series "mm: remove
total_mapcount()", a cleanup.
- Matthew Wilcox has sought to improve the performance of bulk memory
freeing in his series "Rearrange batched folio freeing".
- Gang Li's series "hugetlb: parallelize hugetlb page init on boot"
provides large improvements in bootup times on large machines which
are configured to use large numbers of hugetlb pages.
- Matthew Wilcox's series "PageFlags cleanups" does that.
- Qi Zheng's series "minor fixes and supplement for ptdesc" does that
also. S390 is affected.
- Cleanups to our pagemap utility functions from Peter Xu in his series
"mm/treewide: Replace pXd_large() with pXd_leaf()".
- Nico Pache has fixed a few things with our hugepage selftests in his
series "selftests/mm: Improve Hugepage Test Handling in MM
Selftests".
- Also, of course, many singleton patches to many things. Please see
the individual changelogs for details.
* tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (435 commits)
mm/zswap: remove the memcpy if acomp is not sleepable
crypto: introduce: acomp_is_async to expose if comp drivers might sleep
memtest: use {READ,WRITE}_ONCE in memory scanning
mm: prohibit the last subpage from reusing the entire large folio
mm: recover pud_leaf() definitions in nopmd case
selftests/mm: skip the hugetlb-madvise tests on unmet hugepage requirements
selftests/mm: skip uffd hugetlb tests with insufficient hugepages
selftests/mm: dont fail testsuite due to a lack of hugepages
mm/huge_memory: skip invalid debugfs new_order input for folio split
mm/huge_memory: check new folio order when split a folio
mm, vmscan: retry kswapd's priority loop with cache_trim_mode off on failure
mm: add an explicit smp_wmb() to UFFDIO_CONTINUE
mm: fix list corruption in put_pages_list
mm: remove folio from deferred split list before uncharging it
filemap: avoid unnecessary major faults in filemap_fault()
mm,page_owner: drop unnecessary check
mm,page_owner: check for null stack_record before bumping its refcount
mm: swap: fix race between free_swap_and_cache() and swapoff()
mm/treewide: align up pXd_leaf() retval across archs
mm/treewide: drop pXd_large()
...
|
||
|
Linus Torvalds
|
216532e147 |
hardening updates for v6.9-rc1
- string.h and related header cleanups (Tanzir Hasan, Andy Shevchenko)
- VMCI memcpy() usage and struct_size() cleanups (Vasiliy Kovalev, Harshit
Mogalapalli)
- selftests/powerpc: Fix load_unaligned_zeropad build failure (Michael
Ellerman)
- hardened Kconfig fragment updates (Marco Elver, Lukas Bulwahn)
- Handle tail call optimization better in LKDTM (Douglas Anderson)
- Use long form types in overflow.h (Andy Shevchenko)
- Add flags param to string_get_size() (Andy Shevchenko)
- Add Coccinelle script for potential struct_size() use (Jacob Keller)
- Fix objtool corner case under KCFI (Josh Poimboeuf)
- Drop 13 year old backward compat CAP_SYS_ADMIN check (Jingzi Meng)
- Add str_plural() helper (Michal Wajdeczko, Kees Cook)
- Ignore relocations in .notes section
- Add comments to explain how __is_constexpr() works
- Fix m68k stack alignment expectations in stackinit Kunit test
- Convert string selftests to KUnit
- Add KUnit tests for fortified string functions
- Improve reporting during fortified string warnings
- Allow non-type arg to type_max() and type_min()
- Allow strscpy() to be called with only 2 arguments
- Add binary mode to leaking_addresses scanner
- Various small cleanups to leaking_addresses scanner
- Adding wrapping_*() arithmetic helper
- Annotate initial signed integer wrap-around in refcount_t
- Add explicit UBSAN section to MAINTAINERS
- Fix UBSAN self-test warnings
- Simplify UBSAN build via removal of CONFIG_UBSAN_SANITIZE_ALL
- Reintroduce UBSAN's signed overflow sanitizer
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Merge tag 'hardening-v6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"As is pretty normal for this tree, there are changes all over the
place, especially for small fixes, selftest improvements, and improved
macro usability.
Some header changes ended up landing via this tree as they depended on
the string header cleanups. Also, a notable set of changes is the work
for the reintroduction of the UBSAN signed integer overflow sanitizer
so that we can continue to make improvements on the compiler side to
make this sanitizer a more viable future security hardening option.
Summary:
- string.h and related header cleanups (Tanzir Hasan, Andy
Shevchenko)
- VMCI memcpy() usage and struct_size() cleanups (Vasiliy Kovalev,
Harshit Mogalapalli)
- selftests/powerpc: Fix load_unaligned_zeropad build failure
(Michael Ellerman)
- hardened Kconfig fragment updates (Marco Elver, Lukas Bulwahn)
- Handle tail call optimization better in LKDTM (Douglas Anderson)
- Use long form types in overflow.h (Andy Shevchenko)
- Add flags param to string_get_size() (Andy Shevchenko)
- Add Coccinelle script for potential struct_size() use (Jacob
Keller)
- Fix objtool corner case under KCFI (Josh Poimboeuf)
- Drop 13 year old backward compat CAP_SYS_ADMIN check (Jingzi Meng)
- Add str_plural() helper (Michal Wajdeczko, Kees Cook)
- Ignore relocations in .notes section
- Add comments to explain how __is_constexpr() works
- Fix m68k stack alignment expectations in stackinit Kunit test
- Convert string selftests to KUnit
- Add KUnit tests for fortified string functions
- Improve reporting during fortified string warnings
- Allow non-type arg to type_max() and type_min()
- Allow strscpy() to be called with only 2 arguments
- Add binary mode to leaking_addresses scanner
- Various small cleanups to leaking_addresses scanner
- Adding wrapping_*() arithmetic helper
- Annotate initial signed integer wrap-around in refcount_t
- Add explicit UBSAN section to MAINTAINERS
- Fix UBSAN self-test warnings
- Simplify UBSAN build via removal of CONFIG_UBSAN_SANITIZE_ALL
- Reintroduce UBSAN's signed overflow sanitizer"
* tag 'hardening-v6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (51 commits)
selftests/powerpc: Fix load_unaligned_zeropad build failure
string: Convert helpers selftest to KUnit
string: Convert selftest to KUnit
sh: Fix build with CONFIG_UBSAN=y
compiler.h: Explain how __is_constexpr() works
overflow: Allow non-type arg to type_max() and type_min()
VMCI: Fix possible memcpy() run-time warning in vmci_datagram_invoke_guest_handler()
lib/string_helpers: Add flags param to string_get_size()
x86, relocs: Ignore relocations in .notes section
objtool: Fix UNWIND_HINT_{SAVE,RESTORE} across basic blocks
overflow: Use POD in check_shl_overflow()
lib: stackinit: Adjust target string to 8 bytes for m68k
sparc: vdso: Disable UBSAN instrumentation
kernel.h: Move lib/cmdline.c prototypes to string.h
leaking_addresses: Provide mechanism to scan binary files
leaking_addresses: Ignore input device status lines
leaking_addresses: Use File::Temp for /tmp files
MAINTAINERS: Update LEAKING_ADDRESSES details
fortify: Improve buffer overflow reporting
fortify: Add KUnit tests for runtime overflows
...
|
||
|
Arnd Bergmann
|
ba89f9c8cc |
arch: consolidate existing CONFIG_PAGE_SIZE_*KB definitions
These four architectures define the same Kconfig symbols for configuring the page size. Move the logic into a common place where it can be shared with all other architectures. Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
Mathieu Desnoyers
|
8690bbcf3b |
Introduce cpu_dcache_is_aliasing() across all architectures
Introduce a generic way to query whether the data cache is virtually
aliased on all architectures. Its purpose is to ensure that subsystems
which are incompatible with virtually aliased data caches (e.g. FS_DAX)
can reliably query this.
For data cache aliasing, there are three scenarios dependending on the
architecture. Here is a breakdown based on my understanding:
A) The data cache is always aliasing:
* arc
* csky
* m68k (note: shared memory mappings are incoherent ? SHMLBA is missing there.)
* sh
* parisc
B) The data cache aliasing is statically known or depends on querying CPU
state at runtime:
* arm (cache_is_vivt() || cache_is_vipt_aliasing())
* mips (cpu_has_dc_aliases)
* nios2 (NIOS2_DCACHE_SIZE > PAGE_SIZE)
* sparc32 (vac_cache_size > PAGE_SIZE)
* sparc64 (L1DCACHE_SIZE > PAGE_SIZE)
* xtensa (DCACHE_WAY_SIZE > PAGE_SIZE)
C) The data cache is never aliasing:
* alpha
* arm64 (aarch64)
* hexagon
* loongarch (but with incoherent write buffers, which are disabled since
commit
|
||
Tanzir Hasan
|
66a5c40f60 |
kernel.h: removed REPEAT_BYTE from kernel.h
This patch creates wordpart.h and includes it in asm/word-at-a-time.h for all architectures. WORD_AT_A_TIME_CONSTANTS depends on kernel.h because of REPEAT_BYTE. Moving this to another header and including it where necessary allows us to not include the bloated kernel.h. Making this implicit dependency on REPEAT_BYTE explicit allows for later improvements in the lib/string.c inclusion list. Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Tanzir Hasan <tanzirh@google.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20231226-libstringheader-v6-1-80aa08c7652c@google.com Signed-off-by: Kees Cook <keescook@chromium.org> |
||
|
Linus Torvalds
|
e7ded27593 |
percpu:
- Enable percpu page allocator for risc-v. There are risc-v configurations with sparse NUMA configurations and small vmalloc space causing dynamic percpu allocations to fail as the backing chunk stride is too far apart. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE3hZPHJdcVwe+yTTtiDc0yuoFPR0FAmWhz5YACgkQiDc0yuoF PR33fQ//TImRNBOvLn0zSL6eKE49pBOg1lhff82GroMkjIw/jHLOp0WfdtCRKBZm 8234WiQRPk3TNKkvmrikMwmDG249Bc/U+RwaHTkfDao6Fm1Pb4SESaggNXw/VKDe zWFvI/zoVQGC3+xuUYo6KDtFE9shnphsT7surRt21wdDeZOojH89FtrrEHnnQpIx Zl5miPx0H1V+Hlzk7PZkPYmEwcZHp7Sjcx1/t7QzvtzzkiDKmOLROO2gxRMXaCJz zeM5UAQi1294EftLpHTgrtn9NEbwt8xOQnaNtZozYSznmcy6CztyiNH43XCOapFC 10iVxn4NlioXGzaT/Vo2As3PGjJueg2kl+TJur7lAdENgWyqT0qksgtu+9Q2SSYg hzWMk8KKqpLHvjnDpKu0spl7EI7u4J8MdIfHLlw/a2vWUU1bBQeRzIZHGe56/yFu asHsTlqWzLPZy8ZvqjhX63HQnWnglHhmY63BcHr5kCeUN8F6cNAS0WWtSrvj5bXM OHuq+OaSUms9Ktl/igaaXDLUW+0t04vtH4qh1l2ncEdElYWBzT3d9WBkW8RfQzcu aXmu0ItxTHGTgmjafibGoQCkMzJ0NG0b7IW4NMNz5nWgpf5ghBXnSjz17Z4FkMgo PY/+uF3Gr7w+OYxsIDSzvMef/J14qgJ9oPMVUJWOJIwVUO7+nMQ= =fwxu -----END PGP SIGNATURE----- Merge tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu Pull percpu updates from Dennis Zhou: "Enable percpu page allocator for RISC-V. There are RISC-V configurations with sparse NUMA configurations and small vmalloc space causing dynamic percpu allocations to fail as the backing chunk stride is too far apart" * tag 'percpu-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu: riscv: Enable pcpu page first chunk allocator mm: Introduce flush_cache_vmap_early() |
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Linus Torvalds
|
c299010061 |
asm-generic cleanups for 6.8
A series from Baoquan He cleans up the asm-generic/io.h to remove the ioremap_uc() definition from everything except x86, which still needs it for pre-PAT systems. This series notably contains a patch from Jiaxun Yang that converts MIPS to use asm-generic/io.h like every other architecture does, enabling future cleanups. Some of my own patches fix -Wmissing-prototype warnings in architecture specific code across several architectures. This is now needed as the warning is enabled by default. There are still some remaining warnings in minor platforms, but the series should catch most of the widely used ones make them more consistent with one another. David McKay fixes a bug in __generic_cmpxchg_local() when this is used on 64-bit architectures. This could currently only affect parisc64 and sparc64. Additional cleanups address from Linus Walleij, Uwe Kleine-König, Thomas Huth, and Kefeng Wang help reduce unnecessary inconsistencies between architectures. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEiK/NIGsWEZVxh/FrYKtH/8kJUicFAmWeak8ACgkQYKtH/8kJ UidSiQ/+LL1WTO9d3Zx5HI0GGGjaIYpYs6jUNSf9Y5GPQiOrvjfEWj7CU11/4vxl GlQRpRyncYm8Eiz0Qu+aNxZFiiMah8Uful75yfbX8P1L4EPTbAYNDjkyNJrTjIAK jPK4sl8awIrapOeFUz++PsEj22R/4Is4f0mo+CqoCkL5RKlHe5oFdXzcwjmds4yK CvU6Ldn+M7FZ3EItMdjXaB3D3HS9uictFiO5JByZY8p+IcqgNRI/iHNnZIMsltJ+ XjDi0DG+x4jCj6teElSchw7AofE4OcNSP3xbR1PLKv6+xBLGYaAGZhNuPTz88eV/ Gj0loDQrrR5McGUfDBRHK9zN2Jd0O/FKnfh9kLOt1FLFyGPvC78Q/2HkpVCjbBr2 Pr1aqhLDHA+tGNSsThsV8RUa8/tiEnxAki43tfBFS3SEKhtQsTm2g1z4miwbE3p0 BJIrSgTqrP/SBq7a9z/thPrkzdZcNuA9FUETTbaMeUlJS51n1V9E5A1t7sOG7jaI vV/gbuR6FjvD49mTyQiOSCt3V4ygRqgN1Q+C4QM8WLqq2keUq0AhGodquv8F78in J3x2j2r27lHY7jKf8B0dua/JXAsF20u8qD6yDQ9ymkjt/MWhGXBgK0jpT7RTIuMS e2jmTywUVD4UohAcx3inkOojUhIJ5KDB0I4Pzv4zWcHNbyFNKcY= =4VQl -----END PGP SIGNATURE----- Merge tag 'asm-generic-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic cleanups from Arnd Bergmann: "A series from Baoquan He cleans up the asm-generic/io.h to remove the ioremap_uc() definition from everything except x86, which still needs it for pre-PAT systems. This series notably contains a patch from Jiaxun Yang that converts MIPS to use asm-generic/io.h like every other architecture does, enabling future cleanups. Some of my own patches fix -Wmissing-prototype warnings in architecture specific code across several architectures. This is now needed as the warning is enabled by default. There are still some remaining warnings in minor platforms, but the series should catch most of the widely used ones make them more consistent with one another. David McKay fixes a bug in __generic_cmpxchg_local() when this is used on 64-bit architectures. This could currently only affect parisc64 and sparc64. Additional cleanups address from Linus Walleij, Uwe Kleine-König, Thomas Huth, and Kefeng Wang help reduce unnecessary inconsistencies between architectures" * tag 'asm-generic-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: asm-generic: Fix 32 bit __generic_cmpxchg_local Hexagon: Make pfn accessors statics inlines ARC: mm: Make virt_to_pfn() a static inline mips: remove extraneous asm-generic/iomap.h include sparc: Use $(kecho) to announce kernel images being ready arm64: vdso32: Define BUILD_VDSO32_64 to correct prototypes csky: fix arch_jump_label_transform_static override arch: add do_page_fault prototypes arch: add missing prepare_ftrace_return() prototypes arch: vdso: consolidate gettime prototypes arch: include linux/cpu.h for trap_init() prototype arch: fix asm-offsets.c building with -Wmissing-prototypes arch: consolidate arch_irq_work_raise prototypes hexagon: Remove CONFIG_HEXAGON_ARCH_VERSION from uapi header asm/io: remove unnecessary xlate_dev_mem_ptr() and unxlate_dev_mem_ptr() mips: io: remove duplicated codes arch/*/io.h: remove ioremap_uc in some architectures mips: add <asm-generic/io.h> including |
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Alexandre Ghiti
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7a92fc8b4d |
mm: Introduce flush_cache_vmap_early()
The pcpu setup when using the page allocator sets up a new vmalloc mapping very early in the boot process, so early that it cannot use the flush_cache_vmap() function which may depend on structures not yet initialized (for example in riscv, we currently send an IPI to flush other cpus TLB). But on some architectures, we must call flush_cache_vmap(): for example, in riscv, some uarchs can cache invalid TLB entries so we need to flush the new established mapping to avoid taking an exception. So fix this by introducing a new function flush_cache_vmap_early() which is called right after setting the new page table entry and before accessing this new mapping. This new function implements a local flush tlb on riscv and is no-op for other architectures (same as today). Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Dennis Zhou <dennis@kernel.org> |
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Baoquan He
|
d70c27b728 |
sh, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be dropped, then compiling errors will be triggered if below config items are set: === CONFIG_CRASH_CORE=y CONFIG_KEXEC_CORE=y CONFIG_CRASH_DUMP=y === Here, change the dependency of building kexec_core related object files, and the ifdeffery on SuperH from CONFIG_KEXEC to CONFIG_KEXEC_CORE. Link: https://lkml.kernel.org/r/20231208073036.7884-5-bhe@redhat.com Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Eric DeVolder <eric_devolder@yahoo.com> Cc: Ignat Korchagin <ignat@cloudflare.com> Cc: kernel test robot <lkp@intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Arnd Bergmann
|
0734f5c7eb |
Merge branch 'asm-generic-prototypes' into asm-generic
As part of my quest to enable -Wmissing-prototypes by default, these patches clean up some of the prototypes that are needed by all architectures but are handled inconsistently. The duplicate prototypes are moved into common code, which helps both to clean up the existing warnings and simplifies the logic. * asm-generic-prototypes: arm64: vdso32: Define BUILD_VDSO32_64 to correct prototypes csky: fix arch_jump_label_transform_static override arch: add do_page_fault prototypes arch: add missing prepare_ftrace_return() prototypes arch: vdso: consolidate gettime prototypes arch: include linux/cpu.h for trap_init() prototype arch: fix asm-offsets.c building with -Wmissing-prototypes arch: consolidate arch_irq_work_raise prototypes |
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Arnd Bergmann
|
23f8c1823b |
arch: add do_page_fault prototypes
do_page_fault() is missing a declaration on a couple of architectures: arch/alpha/mm/fault.c:85:1: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/csky/mm/fault.c:187:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/mips/mm/fault.c:323:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/nios2/mm/fault.c:43:17: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] arch/sh/mm/fault.c:389:27: error: no previous prototype for 'do_page_fault' [-Werror=missing-prototypes] Since the calling conventions are architecture specific here, add separate prototypes for each one. Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Kefeng Wang
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3cd944590d |
asm/io: remove unnecessary xlate_dev_mem_ptr() and unxlate_dev_mem_ptr()
The asm-generic/io.h already has default definition, remove unnecessary arch's defination. Cc: Richard Henderson <richard.henderson@linaro.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Russell King <linux@armlinux.org.uk> Cc: Brian Cain <bcain@quicinc.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Stanislav Kinsburskii <stanislav.kinsburskii@gmail.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Baoquan He
|
026246f114 |
arch/*/io.h: remove ioremap_uc in some architectures
ioremap_uc() is only meaningful on old x86-32 systems with the PAT extension, and on ia64 with its slightly unconventional ioremap() behavior. So remove the ioremap_uc() definition in architecutures other than x86 and ia64. These architectures all have asm-generic/io.h included and will have the default ioremap_uc() definition which returns NULL. This changes the existing behaviour, while no need to worry about any breakage because in the only callsite of ioremap_uc(), code has been adjusted to eliminate the impact. Please see atyfb_setup_generic() of drivers/video/fbdev/aty/atyfb_base.c. If any new invocation of ioremap_uc() need be added, please consider using ioremap() intead or adding a ARCH specific version if necessary. Signed-off-by: Baoquan He <bhe@redhat.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Acked-by: Helge Deller <deller@gmx.de> # parisc Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> (SuperH) Cc: linux-alpha@vger.kernel.org Cc: linux-hexagon@vger.kernel.org Cc: linux-m68k@lists.linux-m68k.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-sh@vger.kernel.org Cc: sparclinux@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Arnd Bergmann
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abc28463c8 |
kprobes: unify kprobes_exceptions_nofify() prototypes
Most architectures that support kprobes declare this function in their own asm/kprobes.h header and provide an override, but some are missing the prototype, which causes a warning for the __weak stub implementation: kernel/kprobes.c:1865:12: error: no previous prototype for 'kprobe_exceptions_notify' [-Werror=missing-prototypes] 1865 | int __weak kprobe_exceptions_notify(struct notifier_block *self, Move the prototype into linux/kprobes.h so it is visible to all the definitions. Link: https://lore.kernel.org/all/20231108125843.3806765-4-arnd@kernel.org/ Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> |
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Masami Hiramatsu
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63f1ee2061 |
locking/atomic: sh: Use generic_cmpxchg_local for arch_cmpxchg_local()
Use __generic_cmpxchg_local() for arch_cmpxchg_local() implementation on SH architecture because it does not implement arch_cmpxchg_local(). Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202310241310.Ir5uukOG-lkp@intel.com/ Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/169824660459.24340.14614817132696360531.stgit@devnote2 Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
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Arnd Bergmann
|
4c02add1d9 |
sh: machvec: Remove custom ioport_{un,}map()
These functions were only used on the microdev board that is now gone, so remove them to simplify the ioport handling. This could be further simplified to use the generic I/O port accessors now. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/20230914155523.3839811-4-arnd@kernel.org Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
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Arnd Bergmann
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3ca64d0669 |
sh: Remove stale microdev board
This board was an early prototype platform for early SH4 CPUs and related to the already removed SH5 cayman platform. The microdev board itself has been kept in the tree for this long despite being in a bad shape even 20 years ago when it got merged, with no working PCI support and ugly workarounds for its I/O port implementation that try to emulate PC style peripheral access despite being quite different in reality. As far as I can tell, the ethernet, display, USB and PCI devices on it already broke at some point ( |
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Linus Torvalds
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df57721f9a |
Add x86 shadow stack support
Convert IBT selftest to asm to fix objtool warning -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmTv1QQACgkQaDWVMHDJ krAUwhAAn6TOwHJK8BSkHeiQhON1nrlP3c5cv0AyZ2NP8RYDrZrSZvhpYBJ6wgKC Cx5CGq5nn9twYsYS3KsktLKDfR3lRdsQ7K9qtyFtYiaeaVKo+7gEKl/K+klwai8/ gninQWHk0zmSCja8Vi77q52WOMkQKapT8+vaON9EVDO8dVEi+CvhAIfPwMafuiwO Rk4X86SzoZu9FP79LcCg9XyGC/XbM2OG9eNUTSCKT40qTTKm5y4gix687NvAlaHR ko5MTsdl0Wfp6Qk0ohT74LnoA2c1g/FluvZIM33ci/2rFpkf9Hw7ip3lUXqn6CPx rKiZ+pVRc0xikVWkraMfIGMJfUd2rhelp8OyoozD7DB7UZw40Q4RW4N5tgq9Fhe9 MQs3p1v9N8xHdRKl365UcOczUxNAmv4u0nV5gY/4FMC6VjldCl2V9fmqYXyzFS4/ Ogg4FSd7c2JyGFKPs+5uXyi+RY2qOX4+nzHOoKD7SY616IYqtgKoz5usxETLwZ6s VtJOmJL0h//z0A7tBliB0zd+SQ5UQQBDC2XouQH2fNX2isJMn0UDmWJGjaHgK6Hh 8jVp6LNqf+CEQS387UxckOyj7fu438hDky1Ggaw4YqowEOhQeqLVO4++x+HITrbp AupXfbJw9h9cMN63Yc0gVxXQ9IMZ+M7UxLtZ3Cd8/PVztNy/clA= =3UUm -----END PGP SIGNATURE----- Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 shadow stack support from Dave Hansen: "This is the long awaited x86 shadow stack support, part of Intel's Control-flow Enforcement Technology (CET). CET consists of two related security features: shadow stacks and indirect branch tracking. This series implements just the shadow stack part of this feature, and just for userspace. The main use case for shadow stack is providing protection against return oriented programming attacks. It works by maintaining a secondary (shadow) stack using a special memory type that has protections against modification. When executing a CALL instruction, the processor pushes the return address to both the normal stack and to the special permission shadow stack. Upon RET, the processor pops the shadow stack copy and compares it to the normal stack copy. For more information, refer to the links below for the earlier versions of this patch set" Link: https://lore.kernel.org/lkml/20220130211838.8382-1-rick.p.edgecombe@intel.com/ Link: https://lore.kernel.org/lkml/20230613001108.3040476-1-rick.p.edgecombe@intel.com/ * tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (47 commits) x86/shstk: Change order of __user in type x86/ibt: Convert IBT selftest to asm x86/shstk: Don't retry vm_munmap() on -EINTR x86/kbuild: Fix Documentation/ reference x86/shstk: Move arch detail comment out of core mm x86/shstk: Add ARCH_SHSTK_STATUS x86/shstk: Add ARCH_SHSTK_UNLOCK x86: Add PTRACE interface for shadow stack selftests/x86: Add shadow stack test x86/cpufeatures: Enable CET CR4 bit for shadow stack x86/shstk: Wire in shadow stack interface x86: Expose thread features in /proc/$PID/status x86/shstk: Support WRSS for userspace x86/shstk: Introduce map_shadow_stack syscall x86/shstk: Check that signal frame is shadow stack mem x86/shstk: Check that SSP is aligned on sigreturn x86/shstk: Handle signals for shadow stack x86/shstk: Introduce routines modifying shstk x86/shstk: Handle thread shadow stack x86/shstk: Add user-mode shadow stack support ... |
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Matthew Wilcox (Oracle)
|
203b7b6aad |
mm: rationalise flush_icache_pages() and flush_icache_page()
Move the default (no-op) implementation of flush_icache_pages() to <linux/cacheflush.h> from <asm-generic/cacheflush.h>. Remove the flush_icache_page() wrapper from each architecture into <linux/cacheflush.h>. Link: https://lkml.kernel.org/r/20230802151406.3735276-32-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Matthew Wilcox (Oracle)
|
157efa2904 |
sh: implement the new page table range API
Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio() and flush_icache_pages(). Change the PG_dcache_clean flag from being per-page to per-folio. Flush the entire folio containing the pages in flush_icache_pages() for ease of implementation. Link: https://lkml.kernel.org/r/20230802151406.3735276-25-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Vishal Moola (Oracle)
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bb3be38853 |
sh: convert pte_free_tlb() to use ptdescs
Part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents. Also cleans up some spacing issues. Link: https://lkml.kernel.org/r/20230807230513.102486-28-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Guo Ren <guoren@kernel.org> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Hugh Dickins <hughd@google.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Matthew Wilcox <willy@infradead.org> Cc: Palmer Dabbelt <palmer@rivosinc.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Baoquan He
|
0453c9a780 |
sh: mm: convert to GENERIC_IOREMAP
By taking GENERIC_IOREMAP method, the generic generic_ioremap_prot(), generic_iounmap(), and their generic wrapper ioremap_prot(), ioremap() and iounmap() are all visible and available to arch. Arch needs to provide wrapper functions to override the generic versions if there's arch specific handling in its ioremap_prot(), ioremap() or iounmap(). This change will simplify implementation by removing duplicated code with generic_ioremap_prot() and generic_iounmap(), and has the equivalent functioality as before. Here, add wrapper functions ioremap_prot() and iounmap() for SuperH's special operation when ioremap() and iounmap(). Link: https://lkml.kernel.org/r/20230706154520.11257-13-bhe@redhat.com Signed-off-by: Baoquan He <bhe@redhat.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Brian Cain <bcain@quicinc.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Christoph Hellwig <hch@lst.de> Cc: Chris Zankel <chris@zankel.net> Cc: David Laight <David.Laight@ACULAB.COM> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Stafford Horne <shorne@gmail.com> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Vineet Gupta <vgupta@kernel.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Baoquan He
|
b94692e84d |
sh: add <asm-generic/io.h> including
In <asm-generic/io.h>, it provides a generic implementation of all I/O accessors. For some port|mm io functions, SuperH has its own implementation in arch/sh/kernel/iomap.c and arch/sh/include/asm/io_noioport.h. These will conflict with those in <asm-generic/io.h> and cause compiling error. Hence add macro definitions to ensure that the SuperH version of them will override the generic version. [arnd@arndb.de: fix asm-generic/io.h inclusion] Link: https://lkml.kernel.org/r/20230802141658.2064864-1-arnd@kernel.org Link: https://lkml.kernel.org/r/20230706154520.11257-12-bhe@redhat.com Signed-off-by: Baoquan He <bhe@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Brian Cain <bcain@quicinc.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Christoph Hellwig <hch@lst.de> Cc: Chris Zankel <chris@zankel.net> Cc: David Laight <David.Laight@ACULAB.COM> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Stafford Horne <shorne@gmail.com> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Vineet Gupta <vgupta@kernel.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
9350cd0190 |
sh fixes for v6.5
- sh: hd64461: Handle virq offset for offchip IRQ base and HD64461 IRQ
- sh: mach-dreamcast: Handle virq offset in cascaded IRQ demux
- sh: mach-highlander: Handle virq offset in cascaded IRL demux
- sh: mach-r2d: Handle virq offset in cascaded IRL demux
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Merge tag 'sh-for-v6.5-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh fixes from John Paul Adrian Glaubitz:
"The sh updates introduced multiple regressions.
In particular, the change
|
||
Artur Rojek
|
7c28a35e19 |
sh: hd64461: Handle virq offset for offchip IRQ base and HD64461 IRQ
A recent change to start counting SuperH IRQ #s from 16 breaks support
for the Hitachi HD64461 companion chip.
Move the offchip IRQ base and HD64461 IRQ # by 16 in order to
accommodate for the new virq numbering rules.
Fixes:
|
||
Rick Edgecombe
|
2f0584f3f4 |
mm: Rename arch pte_mkwrite()'s to pte_mkwrite_novma()
The x86 Shadow stack feature includes a new type of memory called shadow stack. This shadow stack memory has some unusual properties, which requires some core mm changes to function properly. One of these unusual properties is that shadow stack memory is writable, but only in limited ways. These limits are applied via a specific PTE bit combination. Nevertheless, the memory is writable, and core mm code will need to apply the writable permissions in the typical paths that call pte_mkwrite(). The goal is to make pte_mkwrite() take a VMA, so that the x86 implementation of it can know whether to create regular writable or shadow stack mappings. But there are a couple of challenges to this. Modifying the signatures of each arch pte_mkwrite() implementation would be error prone because some are generated with macros and would need to be re-implemented. Also, some pte_mkwrite() callers operate on kernel memory without a VMA. So this can be done in a three step process. First pte_mkwrite() can be renamed to pte_mkwrite_novma() in each arch, with a generic pte_mkwrite() added that just calls pte_mkwrite_novma(). Next callers without a VMA can be moved to pte_mkwrite_novma(). And lastly, pte_mkwrite() and all callers can be changed to take/pass a VMA. Start the process by renaming pte_mkwrite() to pte_mkwrite_novma() and adding the pte_mkwrite() wrapper in linux/pgtable.h. Apply the same pattern for pmd_mkwrite(). Since not all archs have a pmd_mkwrite_novma(), create a new arch config HAS_HUGE_PAGE that can be used to tell if pmd_mkwrite() should be defined. Otherwise in the !HAS_HUGE_PAGE cases the compiler would not be able to find pmd_mkwrite_novma(). No functional change. Suggested-by: Linus Torvalds <torvalds@linuxfoundation.org> Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: David Hildenbrand <david@redhat.com> Link: https://lore.kernel.org/lkml/CAHk-=wiZjSu7c9sFYZb3q04108stgHff2wfbokGCCgW7riz+8Q@mail.gmail.com/ Link: https://lore.kernel.org/all/20230613001108.3040476-2-rick.p.edgecombe%40intel.com |
||
|
Linus Torvalds
|
c17414a273 |
sh updates for v6.5
- sh: Provide unxlate_dev_mem_ptr() in asm/io.h
- sh: dma: Correct the number of DMA channels for SH7709
- sh: dma: Drop incorrect SH_DMAC_BASE1 definition for SH4
- sh: dma: Fix DMA channel offset calculation
- sh: Remove compiler flag duplication
- sh: Refactor header include path addition
- sh: Move build rule for cchips/hd6446x/ to arch/sh/Kbuild
- sh: Fix -Wmissing-include-dirs warnings for various platforms
- sh: Avoid using IRQ0 on SH3 and SH4
- sh: j2: Use ioremap() to translate device tree address into kernel memory
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Merge tag 'sh-for-v6.5-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from Adrian Glaubitz:
"Fix a compiler warning in the J2 probing code and a fix by Sergey
Shtylyov to avoid using IRQ0 on SH3 and SH4 targets. Masahiro Yamada
made some clean-up in the build system to address reports by the 0day
bot.
The most notable changes come from Artur Rojek who addressed a number
of issues in the DMA code, in particular a fix for the DMA channel
offset calculation that was introduced in in
|
||
Guenter Roeck
|
7497840d46 |
sh: Provide unxlate_dev_mem_ptr() in asm/io.h
The unxlate_dev_mem_ptr() function has no prototype on the sh architecture which does not include asm-generic/io.h. This results in the following build failure: drivers/char/mem.c: In function 'read_mem': drivers/char/mem.c:164:25: error: implicit declaration of function 'unxlate_dev_mem_ptr' This compile error is now seen because commit |
||
|
Artur Rojek
|
d2f4a190b1 |
sh: dma: Drop incorrect SH_DMAC_BASE1 definition for SH4
None of the supported SH4 family SoCs features a second DMAC module. As this definition negatively impacts DMA channel calculation for the above targets, remove it from the code. Signed-off-by: Artur Rojek <contact@artur-rojek.eu> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Link: https://lore.kernel.org/r/20230527164452.64797-3-contact@artur-rojek.eu Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> |
||
|
Linus Torvalds
|
1b722407a1 |
drm changes for 6.5-rc1:
core:
- replace strlcpy with strscpy
- EDID changes to support further conversion to struct drm_edid
- Move i915 DSC parameter code to common DRM helpers
- Add Colorspace functionality
aperture:
- ignore framebuffers with non-primary devices
fbdev:
- use fbdev i/o helpers
- add Kconfig options for fb_ops helpers
- use new fb io helpers directly in drivers
sysfs:
- export DRM connector ID
scheduler:
- Avoid an infinite loop
ttm:
- store function table in .rodata
- Add query for TTM mem limit
- Add NUMA awareness to pools
- Export ttm_pool_fini()
bridge:
- fsl-ldb: support i.MX6SX
- lt9211, lt9611: remove blanking packets
- tc358768: implement input bus formats, devm cleanups
- ti-snd65dsi86: implement wait_hpd_asserted
- analogix: fix endless probe loop
- samsung-dsim: support swapped clock, fix enabling, support var clock
- display-connector: Add support for external power supply
- imx: Fix module linking
- tc358762: Support reset GPIO
panel:
- nt36523: Support Lenovo J606F
- st7703: Support Anbernic RG353V-V2
- InnoLux G070ACE-L01 support
- boe-tv101wum-nl6: Improve initialization
- sharp-ls043t1le001: Mode fixes
- simple: BOE EV121WXM-N10-1850, S6D7AA0
- Ampire AM-800480L1TMQW-T00H
- Rocktech RK043FN48H
- Starry himax83102-j02
- Starry ili9882t
amdgpu:
- add new ctx query flag to handle reset better
- add new query/set shadow buffer for rdna3
- DCN 3.2/3.1.x/3.0.x updates
- Enable DC_FP on loongarch
- PCIe fix for RDNA2
- improve DC FAMS/SubVP support for better power management
- partition support for lots of engines
- Take NUMA into account when allocating memory
- Add new DRM_AMDGPU_WERROR config parameter to help with CI
- Initial SMU13 overdrive support
- Add support for new colorspace KMS API
- W=1 fixes
amdkfd:
- Query TTM mem limit rather than hardcoding it
- GC 9.4.3 partition support
- Handle NUMA for partitions
- Add debugger interface for enabling gdb
- Add KFD event age tracking
radeon:
- Fix possible UAF
i915:
- new getparam for PXP support
- GSC/MEI proxy driver
- Meteorlake display enablement
- avoid clearing preallocated framebuffers with TTM
- implement framebuffer mmap support
- Disable sampler indirect state in bindless heap
- Enable fdinfo for GuC backends
- GuC loading and firmware table handling fixes
- Various refactors for multi-tile enablement
- Define MOCS and PAT tables for MTL
- GSC/MEI support for Meteorlake
- PMU multi-tile support
- Large driver kernel doc cleanup
- Allow VRR toggling and arbitrary refresh rates
- Support async flips on linear buffers on display ver 12+
- Expose CRTC CTM property on ILK/SNB/VLV
- New debugfs for display clock frequencies
- Hotplug refactoring
- Display refactoring
- I915_GEM_CREATE_EXT_SET_PAT for Mesa on Meteorlake
- Use large rings for compute contexts
- HuC loading for MTL
- Allow user to set cache at BO creation
- MTL powermanagement enhancements
- Switch to dedicated workqueues to stop using flush_scheduled_work()
- Move display runtime init under display/
- Remove 10bit gamma on desktop gen3 parts, they don't support it
habanalabs:
- uapi: return 0 for user queries if there was a h/w or f/w error
- Add pci health check when we lose connection with the firmware. This can be used to
distinguish between pci link down and firmware getting stuck.
- Add more info to the error print when TPC interrupt occur.
- Firmware fixes
msm:
- Adreno A660 bindings
- SM8350 MDSS bindings fix
- Added support for DPU on sm6350 and sm6375 platforms
- Implemented tearcheck support to support vsync on SM150 and newer platforms
- Enabled missing features (DSPP, DSC, split display) on sc8180x, sc8280xp, sm8450
- Added support for DSI and 28nm DSI PHY on MSM8226 platform
- Added support for DSI on sm6350 and sm6375 platforms
- Added support for display controller on MSM8226 platform
- A690 GPU support
- Move cmdstream dumping out of fence signaling path
- a610 support
- Support for a6xx devices without GMU
nouveau:
- NULL ptr before deref fixes
armada:
- implement fbdev emulation as client
sun4i:
- fix mipi-dsi dotclock
- release clocks
vc4:
- rgb range toggle property
- BT601 / BT2020 HDMI support
vkms:
- convert to drmm helpers
- add reflection and rotation support
- fix rgb565 conversion
gma500:
- fix iomem access
shmobile:
- support renesas soc platform
- enable fbdev
mxsfb:
- Add support for i.MX93 LCDIF
stm:
- dsi: Use devm_ helper
- ltdc: Fix potential invalid pointer deref
renesas:
- Group drivers in renesas subdirectory to prepare for new platform
- Drop deprecated R-Car H3 ES1.x support
meson:
- Add support for MIPI DSI displays
virtio:
- add sync object support
mediatek:
- Add display binding document for MT6795
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Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"There is one set of patches to misc for a i915 gsc/mei proxy driver.
Otherwise it's mostly amdgpu/i915/msm, lots of hw enablement and lots
of refactoring.
core:
- replace strlcpy with strscpy
- EDID changes to support further conversion to struct drm_edid
- Move i915 DSC parameter code to common DRM helpers
- Add Colorspace functionality
aperture:
- ignore framebuffers with non-primary devices
fbdev:
- use fbdev i/o helpers
- add Kconfig options for fb_ops helpers
- use new fb io helpers directly in drivers
sysfs:
- export DRM connector ID
scheduler:
- Avoid an infinite loop
ttm:
- store function table in .rodata
- Add query for TTM mem limit
- Add NUMA awareness to pools
- Export ttm_pool_fini()
bridge:
- fsl-ldb: support i.MX6SX
- lt9211, lt9611: remove blanking packets
- tc358768: implement input bus formats, devm cleanups
- ti-snd65dsi86: implement wait_hpd_asserted
- analogix: fix endless probe loop
- samsung-dsim: support swapped clock, fix enabling, support var
clock
- display-connector: Add support for external power supply
- imx: Fix module linking
- tc358762: Support reset GPIO
panel:
- nt36523: Support Lenovo J606F
- st7703: Support Anbernic RG353V-V2
- InnoLux G070ACE-L01 support
- boe-tv101wum-nl6: Improve initialization
- sharp-ls043t1le001: Mode fixes
- simple: BOE EV121WXM-N10-1850, S6D7AA0
- Ampire AM-800480L1TMQW-T00H
- Rocktech RK043FN48H
- Starry himax83102-j02
- Starry ili9882t
amdgpu:
- add new ctx query flag to handle reset better
- add new query/set shadow buffer for rdna3
- DCN 3.2/3.1.x/3.0.x updates
- Enable DC_FP on loongarch
- PCIe fix for RDNA2
- improve DC FAMS/SubVP support for better power management
- partition support for lots of engines
- Take NUMA into account when allocating memory
- Add new DRM_AMDGPU_WERROR config parameter to help with CI
- Initial SMU13 overdrive support
- Add support for new colorspace KMS API
- W=1 fixes
amdkfd:
- Query TTM mem limit rather than hardcoding it
- GC 9.4.3 partition support
- Handle NUMA for partitions
- Add debugger interface for enabling gdb
- Add KFD event age tracking
radeon:
- Fix possible UAF
i915:
- new getparam for PXP support
- GSC/MEI proxy driver
- Meteorlake display enablement
- avoid clearing preallocated framebuffers with TTM
- implement framebuffer mmap support
- Disable sampler indirect state in bindless heap
- Enable fdinfo for GuC backends
- GuC loading and firmware table handling fixes
- Various refactors for multi-tile enablement
- Define MOCS and PAT tables for MTL
- GSC/MEI support for Meteorlake
- PMU multi-tile support
- Large driver kernel doc cleanup
- Allow VRR toggling and arbitrary refresh rates
- Support async flips on linear buffers on display ver 12+
- Expose CRTC CTM property on ILK/SNB/VLV
- New debugfs for display clock frequencies
- Hotplug refactoring
- Display refactoring
- I915_GEM_CREATE_EXT_SET_PAT for Mesa on Meteorlake
- Use large rings for compute contexts
- HuC loading for MTL
- Allow user to set cache at BO creation
- MTL powermanagement enhancements
- Switch to dedicated workqueues to stop using flush_scheduled_work()
- Move display runtime init under display/
- Remove 10bit gamma on desktop gen3 parts, they don't support it
habanalabs:
- uapi: return 0 for user queries if there was a h/w or f/w error
- Add pci health check when we lose connection with the firmware.
This can be used to distinguish between pci link down and firmware
getting stuck.
- Add more info to the error print when TPC interrupt occur.
- Firmware fixes
msm:
- Adreno A660 bindings
- SM8350 MDSS bindings fix
- Added support for DPU on sm6350 and sm6375 platforms
- Implemented tearcheck support to support vsync on SM150 and newer
platforms
- Enabled missing features (DSPP, DSC, split display) on sc8180x,
sc8280xp, sm8450
- Added support for DSI and 28nm DSI PHY on MSM8226 platform
- Added support for DSI on sm6350 and sm6375 platforms
- Added support for display controller on MSM8226 platform
- A690 GPU support
- Move cmdstream dumping out of fence signaling path
- a610 support
- Support for a6xx devices without GMU
nouveau:
- NULL ptr before deref fixes
armada:
- implement fbdev emulation as client
sun4i:
- fix mipi-dsi dotclock
- release clocks
vc4:
- rgb range toggle property
- BT601 / BT2020 HDMI support
vkms:
- convert to drmm helpers
- add reflection and rotation support
- fix rgb565 conversion
gma500:
- fix iomem access
shmobile:
- support renesas soc platform
- enable fbdev
mxsfb:
- Add support for i.MX93 LCDIF
stm:
- dsi: Use devm_ helper
- ltdc: Fix potential invalid pointer deref
renesas:
- Group drivers in renesas subdirectory to prepare for new platform
- Drop deprecated R-Car H3 ES1.x support
meson:
- Add support for MIPI DSI displays
virtio:
- add sync object support
mediatek:
- Add display binding document for MT6795"
* tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm: (1791 commits)
drm/i915: Fix a NULL vs IS_ERR() bug
drm/i915: make i915_drm_client_fdinfo() reference conditional again
drm/i915/huc: Fix missing error code in intel_huc_init()
drm/i915/gsc: take a wakeref for the proxy-init-completion check
drm/msm/a6xx: Add A610 speedbin support
drm/msm/a6xx: Add A619_holi speedbin support
drm/msm/a6xx: Use adreno_is_aXYZ macros in speedbin matching
drm/msm/a6xx: Use "else if" in GPU speedbin rev matching
drm/msm/a6xx: Fix some A619 tunables
drm/msm/a6xx: Add A610 support
drm/msm/a6xx: Add support for A619_holi
drm/msm/adreno: Disable has_cached_coherent in GMU wrapper configurations
drm/msm/a6xx: Introduce GMU wrapper support
drm/msm/a6xx: Move CX GMU power counter enablement to hw_init
drm/msm/a6xx: Extend and explain UBWC config
drm/msm/a6xx: Remove both GBIF and RBBM GBIF halt on hw init
drm/msm/a6xx: Add a helper for software-resetting the GPU
drm/msm/a6xx: Improve a6xx_bus_clear_pending_transactions()
drm/msm/a6xx: Move a6xx_bus_clear_pending_transactions to a6xx_gpu
drm/msm/a6xx: Move force keepalive vote removal to a6xx_gmu_force_off()
...
|
||
|
Linus Torvalds
|
77b1a7f7a0 |
- 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. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZJelTAAKCRDdBJ7gKXxA juDkAP0VXWynzkXoojdS/8e/hhi+htedmQ3v2dLZD+vBrctLhAEA7rcH58zAVoWa 2ejqO6wDrRGUC7JQcO9VEjT0nv73UwU= =F293 -----END PGP SIGNATURE----- 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 ... |
||
|
Linus Torvalds
|
6e17c6de3d |
- 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. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCZJejewAKCRDdBJ7gKXxA joggAPwKMfT9lvDBEUnJagY7dbDPky1cSYZdJKxxM2cApGa42gEA6Cl8HRAWqSOh J0qXCzqaaN8+BuEyLGDVPaXur9KirwY= =B7yQ -----END PGP SIGNATURE----- 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() ... |
||
|
Linus Torvalds
|
bc6cb4d5bc |
Locking changes for v6.5:
- 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
...
|
||
Catalin Marinas
|
e6926a4d1c |
sh: move the ARCH_DMA_MINALIGN definition to asm/cache.h
The sh architecture defines ARCH_DMA_MINALIGN in asm/page.h. Move it to asm/cache.h to allow a generic ARCH_DMA_MINALIGN definition in linux/cache.h without redefine errors/warnings. Link: https://lkml.kernel.org/r/20230613155245.1228274-4-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: kernel test robot <lkp@intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Thomas Gleixner
|
01eb454e9b |
sh/cpu: Switch to arch_cpu_finalize_init()
check_bugs() is about to be phased out. Switch over to the new arch_cpu_finalize_init() implementation. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20230613224545.371697797@linutronix.de |
||
Sergey Shtylyov
|
a8ac296114 |
sh: Avoid using IRQ0 on SH3 and SH4
IRQ0 is no longer returned by platform_get_irq() and its ilk -- they now
return -EINVAL instead. However, the kernel code supporting SH3/4-based
SoCs still maps the IRQ #s starting at 0 -- modify that code to start the
IRQ #s from 16 instead.
The patch should mostly affect the AP-SH4A-3A/AP-SH4AD-0A boards as they
indeed are using IRQ0 for the SMSC911x compatible Ethernet chip.
Fixes:
|
||
|
Arnd Bergmann
|
af0a76e126 |
thread_info: move function declarations to linux/thread_info.h
There are a few __weak functions in kernel/fork.c, which architectures can override. If there is no prototype, the compiler warns about them: kernel/fork.c:164:13: error: no previous prototype for 'arch_release_task_struct' [-Werror=missing-prototypes] kernel/fork.c:991:20: error: no previous prototype for 'arch_task_cache_init' [-Werror=missing-prototypes] kernel/fork.c:1086:12: error: no previous prototype for 'arch_dup_task_struct' [-Werror=missing-prototypes] There are already prototypes in a number of architecture specific headers that have addressed those warnings before, but it's much better to have these in a single place so the warning no longer shows up anywhere. Link: https://lkml.kernel.org/r/20230517131102.934196-14-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christoph Lameter <cl@linux.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Eric Paris <eparis@redhat.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rafael J. Wysocki <rafael@kernel.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Waiman Long <longman@redhat.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |