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7107 commits
Author | SHA1 | Message | Date | |
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ce4c8f8820 |
Minor fixes to the processing of the bootconfig tree.
-----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYTvl4BQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qsaMAQCarCJd+FZ/i9Tx0Nx4e6T+ipPDUgqQ YbDytkXe3X9J6wEA2bNEPuS3DQlf5j++gLcVCVXV3tjINsFlMNkyK6uirgA= =mRya -----END PGP SIGNATURE----- Merge tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Minor fixes to the processing of the bootconfig tree" * tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: bootconfig: Rename xbc_node_find_child() to xbc_node_find_subkey() tracing/boot: Fix to check the histogram control param is a leaf node tracing/boot: Fix trace_boot_hist_add_array() to check array is value |
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5dfe50b055 |
bootconfig: Rename xbc_node_find_child() to xbc_node_find_subkey()
Rename xbc_node_find_child() to xbc_node_find_subkey() for clarifying that function returns a key node (no value node). Since there are xbc_node_for_each_child() (loop on all child nodes) and xbc_node_for_each_subkey() (loop on only subkey nodes), this name distinction is necessary to avoid confusing users. Link: https://lkml.kernel.org/r/163119459826.161018.11200274779483115300.stgit@devnote2 Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> |
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d6c338a741 |
This pull request contains the following changes for UML:
- Support for VMAP_STACK - Support for splice_write in hostfs - Fixes for virt-pci - Fixes for virtio_uml - Various fixes -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAmE6Xv4WHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wbpMD/0UBswFdI9J6ePQf2+UyQ3sfFay xZ5/gyL+Ou0k/hwcjLx4DtIQBXkNiwgiKF+ncHvMXTr/oKAo5f7UsGYyMNIKlbKO LrIpc6avqmeovTtOuVhm6VML/m7rvJYC/wJ0VFu6CN2aELoRZLXfeogwn1beAl6p 3JKc54tbew5022lZF6Df/QEpkCyuOjWMnEn/khJGuz+vmkodV+5cegZqxJIAnWrU NVGf7laiV+rBWY4SVXiuJBGTNFwLZkORNa5evBScum85aqwaFawepZT0pNKEt4tc Lalyy7jACriWeQJeQksWACfexYFPywQU/ebYcAlQ9b0wd5aZxi8IJc9wj0a1Oz3N i2DEf09/Zk8eE1cbpp6GP+pbvlqNVsAgtLane2Wzxc1kuJGiFYeXCiDyCFzbhbxW rsTiP3oAxC7OjFwebmtCvBbK9GSl5ETDwfOg+nl2idIK0cds292ju3bWL9vO6VRP Cjxzn7ZaJYvPlrRHo5yujLURqRZSrkPcL/XthIDQJNjXMd8j2AYMRVM2n0gFLu7g jSphwg8t3SmCrolGtUucadTPNMR5pE3rQTN+tbhqwGp+Cs+MnM7CqKUv+JoRC7KF 1qH/1p9tiz/utIpjKmvNZtZRwnElBoEgyoY6RdtqlCMnDcuLpDdmCRyWDsHAzXKg 1X9ym5QqDj5zSLxsXg== =RgAO -----END PGP SIGNATURE----- Merge tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Support for VMAP_STACK - Support for splice_write in hostfs - Fixes for virt-pci - Fixes for virtio_uml - Various fixes * tag 'for-linus-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: fix stub location calculation um: virt-pci: fix uapi documentation um: enable VMAP_STACK um: virt-pci: don't do DMA from stack hostfs: support splice_write um: virtio_uml: fix memory leak on init failures um: virtio_uml: include linux/virtio-uml.h lib/logic_iomem: fix sparse warnings um: make PCI emulation driver init/exit static |
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2d338201d5 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"147 patches, based on
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6fe26259b4 |
Kconfig.debug: drop selecting non-existing HARDLOCKUP_DETECTOR_ARCH
Commit |
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44e5599775 |
lib/iov_iter.c: fix kernel-doc warnings
Fix all kernel-doc warnings in lib/iov_iter.c: lib/iov_iter.c:695: warning: Function parameter or member 'i' not described in '_copy_mc_to_iter' lib/iov_iter.c:695: warning: Excess function parameter 'iter' description in '_copy_mc_to_iter' lib/iov_iter.c:695: warning: No description found for return value of '_copy_mc_to_iter' lib/iov_iter.c:758: warning: Function parameter or member 'i' not described in '_copy_from_iter_flushcache' lib/iov_iter.c:758: warning: Excess function parameter 'iter' description in '_copy_from_iter_flushcache' lib/iov_iter.c:758: warning: No description found for return value of '_copy_from_iter_flushcache' Link: https://lkml.kernel.org/r/20210809051053.6531-1-rdunlap@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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83a29beb23 |
lib/dump_stack: correct kernel-doc notation
Fix kernel-doc warnings in dump_stack.c: lib/dump_stack.c:97: warning: Function parameter or member 'log_lvl' not described in 'dump_stack_lvl' lib/dump_stack.c:97: warning: expecting prototype for dump_stack(). Prototype was for dump_stack_lvl() instead Link: https://lkml.kernel.org/r/20210809051643.17567-1-rdunlap@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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36f33b5629 |
lib/test: convert test_sort.c to use KUnit
This follows up commit |
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8ba739ede4 |
math: RATIONAL_KUNIT_TEST should depend on RATIONAL instead of selecting it
RATIONAL_KUNIT_TEST selects RATIONAL, thus enabling an optional feature
the user may not want to have enabled. Fix this by making the test depend
on RATIONAL instead.
Link: https://lkml.kernel.org/r/20210706100945.3803694-3-geert@linux-m68k.org
Fixes:
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bcda5fd344 |
math: make RATIONAL tristate
Patch series "math: RATIONAL and RATIONAL_KUNIT_TEST improvements". This series makes the RATIONAL symbol tristate, so it is not forced builtin if all users are modular, and makes the RATIONAL_KUNIT_TEST depend on RATIONAL, to avoid enabling RATIONAL if there are no real users. This patch (of 2): All but one symbols that select RATIONAL are tristate, but RATIONAL itself is bool. Change it to tristate, so the rational fractions support code can be modular if no builtin code relies on it. Link: https://lkml.kernel.org/r/20210706100945.3803694-1-geert@linux-m68k.org Link: https://lkml.kernel.org/r/20210706100945.3803694-2-geert@linux-m68k.org Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Trent Piepho <tpiepho@gmail.com> Cc: Colin Ian King <colin.king@canonical.com> Cc: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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41c961b901 |
mm: introduce PAGEFLAGS_MASK to replace ((1UL << NR_PAGEFLAGS) - 1)
Instead of hard-coding ((1UL << NR_PAGEFLAGS) - 1) everywhere, introducing PAGEFLAGS_MASK to make the code clear to get the page flags. Link: https://lkml.kernel.org/r/20210819150712.59948-1-songmuchun@bytedance.com Signed-off-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Roman Gushchin <guro@fb.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Shakeel Butt <shakeelb@google.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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ba7b1f8610 |
lib/test_scanf: split up number parsing test routines
It turns out that gcc has real trouble merging all the temporary on-stack buffer allocation. So despite the fact that their lifetimes do not overlap, gcc will allocate stack for all of them when they have different types. Which they do in the number scanning test routines. This is unfortunate in general, but with lots of test-cases in one function, it becomes a real problem. gcc will allocate a huge stack frame for no actual good reason. We have tried to counteract this tendency of gcc not merging stack slots (see "-fconserve-stack"), but that has limited effect (and should be on by default these days, iirc). So with all the debug options enabled on an i386 allmodconfig build, we end up with overly big stack frames, and the resulting stack frame size warnings (now errors): lib/test_scanf.c: In function ‘numbers_list_field_width_val_width’: lib/test_scanf.c:530:1: error: the frame size of 2088 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] 530 | } | ^ lib/test_scanf.c: In function ‘numbers_list_field_width_typemax’: lib/test_scanf.c:488:1: error: the frame size of 2568 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] 488 | } | ^ lib/test_scanf.c: In function ‘numbers_list’: lib/test_scanf.c:437:1: error: the frame size of 2088 bytes is larger than 2048 bytes [-Werror=frame-larger-than=] 437 | } | ^ In this particular case, the reasonably straightforward solution is to just split out the test routines into multiple more targeted versions. That way we don't have one huge stack, but several smaller ones, and they aren't active all at the same time. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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49624efa65 |
Merge tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux
Pull MAP_DENYWRITE removal from David Hildenbrand: "Remove all in-tree usage of MAP_DENYWRITE from the kernel and remove VM_DENYWRITE. There are some (minor) user-visible changes: - We no longer deny write access to shared libaries loaded via legacy uselib(); this behavior matches modern user space e.g. dlopen(). - We no longer deny write access to the elf interpreter after exec completed, treating it just like shared libraries (which it often is). - We always deny write access to the file linked via /proc/pid/exe: sys_prctl(PR_SET_MM_MAP/EXE_FILE) will fail if write access to the file cannot be denied, and write access to the file will remain denied until the link is effectivel gone (exec, termination, sys_prctl(PR_SET_MM_MAP/EXE_FILE)) -- just as if exec'ing the file. Cross-compiled for a bunch of architectures (alpha, microblaze, i386, s390x, ...) and verified via ltp that especially the relevant tests (i.e., creat07 and execve04) continue working as expected" * tag 'denywrite-for-5.15' of git://github.com/davidhildenbrand/linux: fs: update documentation of get_write_access() and friends mm: ignore MAP_DENYWRITE in ksys_mmap_pgoff() mm: remove VM_DENYWRITE binfmt: remove in-tree usage of MAP_DENYWRITE kernel/fork: always deny write access to current MM exe_file kernel/fork: factor out replacing the current MM exe_file binfmt: don't use MAP_DENYWRITE when loading shared libraries via uselib() |
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b250e6d141 |
Kbuild updates for v5.15
- Add -s option (strict mode) to merge_config.sh to make it fail when any symbol is redefined. - Show a warning if a different compiler is used for building external modules. - Infer --target from ARCH for CC=clang to let you cross-compile the kernel without CROSS_COMPILE. - Make the integrated assembler default (LLVM_IAS=1) for CC=clang. - Add <linux/stdarg.h> to the kernel source instead of borrowing <stdarg.h> from the compiler. - Add Nick Desaulniers as a Kbuild reviewer. - Drop stale cc-option tests. - Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG to handle symbols in inline assembly. - Show a warning if 'FORCE' is missing for if_changed rules. - Various cleanups -----BEGIN PGP SIGNATURE----- iQJJBAABCgAzFiEEbmPs18K1szRHjPqEPYsBB53g2wYFAmExXHoVHG1hc2FoaXJv eUBrZXJuZWwub3JnAAoJED2LAQed4NsGAZwP/iHdEZzuQ4cz2uXUaV0fevj9jjPU zJ8wrrNabAiT6f5x861DsARQSR4OSt3zN0tyBNgZwUdotbe7ED5GegrgIUBMWlML QskhTEIZj7TexAX/20vx671gtzI3JzFg4c9BuriXCFRBvychSevdJPr65gMDOesL vOJnXe+SGXG2+fPWi/PxrcOItNRcveqo2GiWHT3g0Cv/DJUulu81gEkz3hrufnMR cjMeSkV0nJJcvI755OQBOUnEuigW64k4m2WxHPG24tU8cQOCqV6lqwOfNQBAn4+F OoaCMyPQT9gvGYwGExQMCXGg0wbUt1qnxzOVoA2qFCwbo+MFhqjBvPXab6VJm7CE mY3RrTtvxSqBdHI6EGcYeLjhycK9b+LLoJ1qc3S9FK8It6NoFFp4XV0R6ItPBls7 mWi9VSpyI6k0AwLq+bGXEHvaX/bnnf/vfqn8H+w6mRZdXjFV8EB2DiOSRX/OqjVG RnvTtXzWWThLyXvWR3Jox4+7X6728oL7akLemoeZI6oTbJDm7dQgwpz5HbSyHXLh d+gUF3Y/6lqxT5N9GSVDxpD1bEMh2I7nGQ4M7WGbGas/3yUemF8wbBqGQo4a+YeD d9vGAUxDp2PQTtL2sjFo5Gd4PZEM9g7vwWzRvHe0o5NxKEXcBg25b8cD1hxrN9Y4 Y1AAnc0kLO+My3PC =lw3M -----END PGP SIGNATURE----- Merge tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - Add -s option (strict mode) to merge_config.sh to make it fail when any symbol is redefined. - Show a warning if a different compiler is used for building external modules. - Infer --target from ARCH for CC=clang to let you cross-compile the kernel without CROSS_COMPILE. - Make the integrated assembler default (LLVM_IAS=1) for CC=clang. - Add <linux/stdarg.h> to the kernel source instead of borrowing <stdarg.h> from the compiler. - Add Nick Desaulniers as a Kbuild reviewer. - Drop stale cc-option tests. - Fix the combination of CONFIG_TRIM_UNUSED_KSYMS and CONFIG_LTO_CLANG to handle symbols in inline assembly. - Show a warning if 'FORCE' is missing for if_changed rules. - Various cleanups * tag 'kbuild-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits) kbuild: redo fake deps at include/ksym/*.h kbuild: clean up objtool_args slightly modpost: get the *.mod file path more simply checkkconfigsymbols.py: Fix the '--ignore' option kbuild: merge vmlinux_link() between ARCH=um and other architectures kbuild: do not remove 'linux' link in scripts/link-vmlinux.sh kbuild: merge vmlinux_link() between the ordinary link and Clang LTO kbuild: remove stale *.symversions kbuild: remove unused quiet_cmd_update_lto_symversions gen_compile_commands: extract compiler command from a series of commands x86: remove cc-option-yn test for -mtune= arc: replace cc-option-yn uses with cc-option s390: replace cc-option-yn uses with cc-option ia64: move core-y in arch/ia64/Makefile to arch/ia64/Kbuild sparc: move the install rule to arch/sparc/Makefile security: remove unneeded subdir-$(CONFIG_...) kbuild: sh: remove unused install script kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y kbuild: Switch to 'f' variants of integrated assembler flag kbuild: Shuffle blank line to improve comment meaning ... |
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14726903c8 |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "173 patches. Subsystems affected by this series: ia64, ocfs2, block, and mm (debug, pagecache, gup, swap, shmem, memcg, selftests, pagemap, mremap, bootmem, sparsemem, vmalloc, kasan, pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, compaction, mempolicy, memblock, oom-kill, migration, ksm, percpu, vmstat, and madvise)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (173 commits) mm/madvise: add MADV_WILLNEED to process_madvise() mm/vmstat: remove unneeded return value mm/vmstat: simplify the array size calculation mm/vmstat: correct some wrong comments mm/percpu,c: remove obsolete comments of pcpu_chunk_populated() selftests: vm: add COW time test for KSM pages selftests: vm: add KSM merging time test mm: KSM: fix data type selftests: vm: add KSM merging across nodes test selftests: vm: add KSM zero page merging test selftests: vm: add KSM unmerge test selftests: vm: add KSM merge test mm/migrate: correct kernel-doc notation mm: wire up syscall process_mrelease mm: introduce process_mrelease system call memblock: make memblock_find_in_range method private mm/mempolicy.c: use in_task() in mempolicy_slab_node() mm/mempolicy: unify the create() func for bind/interleave/prefer-many policies mm/mempolicy: advertise new MPOL_PREFERRED_MANY mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY ... |
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f16de0bcdb |
kasan: test: avoid corrupting memory in kasan_rcu_uaf
kasan_rcu_uaf() writes to freed memory via kasan_rcu_reclaim(), which is only safe with the GENERIC mode (as it uses quarantine). For other modes, this test corrupts kernel memory, which might result in a crash. Turn the write into a read. Link: https://lkml.kernel.org/r/b6f2c3bf712d2457c783fa59498225b66a634f62.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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756e5a47a5 |
kasan: test: avoid corrupting memory in copy_user_test
copy_user_test() does writes past the allocated object. As the result, it corrupts kernel memory, which might lead to crashes with the HW_TAGS mode, as it neither uses quarantine nor redzones. (Technically, this test can't yet be enabled with the HW_TAGS mode, but this will be implemented in the future.) Adjust the test to only write memory within the aligned kmalloc object. Link: https://lkml.kernel.org/r/19bf3a5112ee65b7db88dc731643b657b816c5e8.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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b38fcca339 |
kasan: test: clean up ksize_uaf
Some KASAN tests use global variables to store function returns values so that the compiler doesn't optimize away these functions. ksize_uaf() doesn't call any functions, so it doesn't need to use kasan_int_result. Use volatile accesses instead, to be consistent with other similar tests. Link: https://lkml.kernel.org/r/a1fc34faca4650f4a6e4dfb3f8d8d82c82eb953a.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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25b12a58e8 |
kasan: test: only do kmalloc_uaf_memset for generic mode
kmalloc_uaf_memset() writes to freed memory, which is only safe with the GENERIC mode (as it uses quarantine). For other modes, this test corrupts kernel memory, which might result in a crash. Only enable kmalloc_uaf_memset() for the GENERIC mode. Link: https://lkml.kernel.org/r/2e1c87b607b1292556cde3cab2764f108542b60c.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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1b0668be62 |
kasan: test: disable kmalloc_memmove_invalid_size for HW_TAGS
The HW_TAGS mode doesn't check memmove for negative size. As a result, the kmalloc_memmove_invalid_size test corrupts memory, which can result in a crash. Disable this test with HW_TAGS KASAN. Link: https://lkml.kernel.org/r/088733a06ac21eba29aa85b6f769d2abd74f9638.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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555999a009 |
kasan: test: avoid corrupting memory via memset
kmalloc_oob_memset_*() tests do writes past the allocated objects. As the result, they corrupt memory, which might lead to crashes with the HW_TAGS mode, as it neither uses quarantine nor redzones. Adjust the tests to only write memory within the aligned kmalloc objects. Also add a comment mentioning that memset tests are designed to touch both valid and invalid memory. Link: https://lkml.kernel.org/r/64fd457668a16e7b58d094f14a165f9d5170c5a9.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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8fbad19bdc |
kasan: test: avoid writing invalid memory
Multiple KASAN tests do writes past the allocated objects or writes to freed memory. Turn these writes into reads to avoid corrupting memory. Otherwise, these tests might lead to crashes with the HW_TAGS mode, as it neither uses quarantine nor redzones. Link: https://lkml.kernel.org/r/c3cd2a383e757e27dd9131635fc7d09a48a49cf9.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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ab51280571 |
kasan: test: rework kmalloc_oob_right
Patch series "kasan: test: avoid crashing the kernel with HW_TAGS", v2. KASAN tests do out-of-bounds and use-after-free accesses. Running the tests works fine for the GENERIC mode, as it uses qurantine and redzones. But the HW_TAGS mode uses neither, and running the tests might crash the kernel. Rework the tests to avoid corrupting kernel memory. This patch (of 8): Rework kmalloc_oob_right() to do these bad access checks: 1. An unaligned access one byte past the requested kmalloc size (can only be detected by KASAN_GENERIC). 2. An aligned access into the first out-of-bounds granule that falls within the aligned kmalloc object. 3. Out-of-bounds access past the aligned kmalloc object. Test #3 deliberately uses a read access to avoid corrupting memory. Otherwise, this test might lead to crashes with the HW_TAGS mode, as it neither uses quarantine nor redzones. Link: https://lkml.kernel.org/r/cover.1628779805.git.andreyknvl@gmail.com Link: https://lkml.kernel.org/r/474aa8b7b538c6737a4c6d0090350af2e1776bef.1628779805.git.andreyknvl@gmail.com Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Alexander Potapenko <glider@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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f8bcbecfb6 |
lib/test_vmalloc.c: add a new 'nr_pages' parameter
In order to simulate different fixed sizes for vmalloc allocation introduce a new parameter that sets number of pages to be allocated for the "fix_size_alloc_test" test. By default 1 page is used unless a different number is specified over the new parameter. Link: https://lkml.kernel.org/r/20210710194151.21370-1-urezki@gmail.com Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Christoph Hellwig <hch@infradead.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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0e84f5dbf8 |
scatterlist: replace flush_kernel_dcache_page with flush_dcache_page
Pages used in scatterlist can be mapped page cache pages (and often are), so we must use flush_dcache_page here instead of the more limited flush_kernel_dcache_page that is intended for highmem pages only. Also remove the PageSlab check given that page_mapping_file as used by the flush_dcache_page implementations already contains that check. Link: https://lkml.kernel.org/r/20210712060928.4161649-5-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Alex Shi <alexs@kernel.org> Cc: Geoff Levand <geoff@infradead.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Cercueil <paul@crapouillou.net> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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8d0920bde5 |
mm: remove VM_DENYWRITE
All in-tree users of MAP_DENYWRITE are gone. MAP_DENYWRITE cannot be set from user space, so all users are gone; let's remove it. Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: David Hildenbrand <david@redhat.com> |
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7d73c3e9c5 |
Makefile: remove stale cc-option checks
cc-option, cc-option-yn, and cc-disable-warning all invoke the compiler during build time, and can slow down the build when these checks become stale for our supported compilers, whose minimally supported versions increases over time. See Documentation/process/changes.rst for the current supported minimal versions (GCC 4.9+, clang 10.0.1+). Compiler version support for these flags may be verified on godbolt.org. The following flags are GCC only and supported since at least GCC 4.9. Remove cc-option and cc-disable-warning tests. * -fno-tree-loop-im * -Wno-maybe-uninitialized * -fno-reorder-blocks * -fno-ipa-cp-clone * -fno-partial-inlining * -femit-struct-debug-baseonly * -fno-inline-functions-called-once * -fconserve-stack The following flags are supported by all supported versions of GCC and Clang. Remove their cc-option, cc-option-yn, and cc-disable-warning tests. * -fno-delete-null-pointer-checks * -fno-var-tracking * -Wno-array-bounds The following configs are made dependent on GCC, since they use GCC specific flags. * READABLE_ASM * DEBUG_SECTION_MISMATCH -mfentry was not supported by s390-linux-gnu-gcc until gcc-9+, add a comment. --param=allow-store-data-races=0 was renamed to -fno-allow-store-data-races in the GCC 10 release; add a comment. -Wmaybe-uninitialized (GCC specific) was being added for CONFIG_GCOV, then again unconditionally; add it only once. Also, base RETPOLINE_CFLAGS and RETPOLINE_VDSO_CFLAGS on CONFIC_CC_IS_* then remove cc-option tests for Clang. Link: https://github.com/ClangBuiltLinux/linux/issues/1436 Acked-by: Miguel Ojeda <ojeda@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
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23852bec53 |
RDMA v5.15 merge window Pull Request
- Various cleanup and small features for rtrs - kmap_local_page() conversions - Driver updates and fixes for: efa, rxe, mlx5, hfi1, qed, hns - Cache the IB subnet prefix - Rework how CRC is calcuated in rxe - Clean reference counting in iwpm's netlink - Pull object allocation and lifecycle for user QPs to the uverbs core code - Several small hns features and continued general code cleanups - Fix the scatterlist confusion of orig_nents/nents introduced in an earlier patch creating the append operation -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEfB7FMLh+8QxL+6i3OG33FX4gmxoFAmEudRgACgkQOG33FX4g mxraJA//c6bMxrrTVrzmrtrkyYD4tYWE8RDfgvoyZtleZnnEOJeunCQWakQrpJSv ukSnOGCA3PtnmRMdV54f/11YJ/7otxOJodSO7jWsIoBrqG/lISAdX8mn2iHhrvJ0 dIaFEFPLy0WqoMLCJVIYIupR0IStVHb/mWx0uYL4XnnoYKyt7f7K5JMZpNWMhDN2 ieJw0jfrvEYm8pipWuxUvB16XARlzAWQrjqLpMRI+jFRpbDVBY21dz2/LJvOJPrA LcQ+XXsV/F659ibOAGm6bU4BMda8fE6Lw90B/gmhSswJ205NrdziF5cNYHP0QxcN oMjrjSWWHc9GEE7MTipC2AH8e36qob16Q7CK+zHEJ+ds7R6/O/8XmED1L8/KFpNA FGqnjxnxsl1y27mUegfj1Hh8PfoDp2oVq0lmpEw0CYo4cfVzHSMRrbTR//XmW628 Ie/mJddpFK4oLk+QkSNjSLrnxOvdTkdA58PU0i84S5eUVMNm41jJDkxg2J7vp0Zn sclZsclhUQ9oJ5Q2so81JMWxu4JDn7IByXL0ULBaa6xwQTiVEnyvSxSuPlflhLRW 0vI2ylATYKyWkQqyX7VyWecZJzwhwZj5gMMWmoGsij8bkZhQ/VaQMaesByzSth+h NV5UAYax4GqyOQ/tg/tqT6e5nrI1zof87H64XdTCBpJ7kFyQ/oA= =ZwOe -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull rdma updates from Jason Gunthorpe: "This is quite a small cycle, no major series stands out. The HNS and rxe drivers saw the most activity this cycle, with rxe being broken for a good chunk of time. The significant deleted line count is due to a SPDX cleanup series. Summary: - Various cleanup and small features for rtrs - kmap_local_page() conversions - Driver updates and fixes for: efa, rxe, mlx5, hfi1, qed, hns - Cache the IB subnet prefix - Rework how CRC is calcuated in rxe - Clean reference counting in iwpm's netlink - Pull object allocation and lifecycle for user QPs to the uverbs core code - Several small hns features and continued general code cleanups - Fix the scatterlist confusion of orig_nents/nents introduced in an earlier patch creating the append operation" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (90 commits) RDMA/mlx5: Relax DCS QP creation checks RDMA/hns: Delete unnecessary blank lines. RDMA/hns: Encapsulate the qp db as a function RDMA/hns: Adjust the order in which irq are requested and enabled RDMA/hns: Remove RST2RST error prints for hw v1 RDMA/hns: Remove dqpn filling when modify qp from Init to Init RDMA/hns: Fix QP's resp incomplete assignment RDMA/hns: Fix query destination qpn RDMA/hfi1: Convert to SPDX identifier IB/rdmavt: Convert to SPDX identifier RDMA/hns: Bugfix for incorrect association between dip_idx and dgid RDMA/hns: Bugfix for the missing assignment for dip_idx RDMA/hns: Bugfix for data type of dip_idx RDMA/hns: Fix incorrect lsn field RDMA/irdma: Remove the repeated declaration RDMA/core/sa_query: Retry SA queries RDMA: Use the sg_table directly and remove the opencoded version from umem lib/scatterlist: Fix wrong update of orig_nents lib/scatterlist: Provide a dedicated function to support table append RDMA/hns: Delete unused hns bitmap interface ... |
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a2d616b935 |
parisc architecture updates for kernel 5.15:
- Fix a kernel crash when a signal is delivered to bad userspace stack - Fix fall-through warnings in math-emu code - Increase size of gcc stack frame check - Switch coding from 'pci_' to 'dma_' API - Make struct parisc_driver::remove() return void - Some parisc related Makefile changes - Minor cleanups, e.g. change to octal permissions, fix macro collisions, fix PMD_ORDER collision, replace spaces with tabs -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQS86RI+GtKfB8BJu973ErUQojoPXwUCYTELwQAKCRD3ErUQojoP Xy/uAQChkDVD15kBvj0PUt4hDpGq7ryfAsEfMnxlV2k4Ue6SKAEA3Smfd242lpPF f89NNo6Y/ZhO+aWKfOLerXLfM6sB2QQ= =cxvN -----END PGP SIGNATURE----- Merge tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux Pull parisc architecture updates from Helge Deller: - Fix a kernel crash when a signal is delivered to bad userspace stack - Fix fall-through warnings in math-emu code - Increase size of gcc stack frame check - Switch coding from 'pci_' to 'dma_' API - Make struct parisc_driver::remove() return void - Some parisc related Makefile changes - Minor cleanups, e.g. change to octal permissions, fix macro collisions, fix PMD_ORDER collision, replace spaces with tabs * tag 'for-5.15/parisc' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: math-emu: Fix fall-through warnings parisc: fix crash with signals and alloca parisc: Fix compile failure when building 64-bit kernel natively parisc: ccio-dma.c: Added tab instead of spaces parisc/parport_gsc: switch from 'pci_' to 'dma_' API parisc: move core-y in arch/parisc/Makefile to arch/parisc/Kbuild parisc: switch from 'pci_' to 'dma_' API parisc: Make struct parisc_driver::remove() return void parisc: remove unused arch/parisc/boot/install.sh and its phony target parisc: Rename PMD_ORDER to PMD_TABLE_ORDER parisc: math-emu: Avoid "fmt" macro collision parisc: Increase size of gcc stack frame check parisc: Replace symbolic permissions with octal permissions |
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aa829778b1 |
LKMM updates:
- Update documentation and code example KCSAN updates: - Introduce CONFIG_KCSAN_STRICT (which RCU uses) - Optimize use of get_ctx() by kcsan_found_watchpoint() - Rework atomic.h into permissive.h - Add the ability to ignore writes that change only one bit of a given data-racy variable. - Improve comments Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmEvHeQRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1g2pw/+NBZ4TGHc7pcxVbKQUdiOZ+BJEQG0OfUZ bDQbHDsEjjXXav9udGABJb9n/zbh+08Z+ME9H4RAIG7pLUMcITOVSpCdF7x8USFI T5Z5IkN0gKUXMyNGzxA28Q0nTMl7F2ndlwygrKUeVXEMjnX6QtkILaXWiFesJSkR bBNDUAYfk5+9kMbyx2RQ9VlNpHh0J6sYIwbHsbPOakw2dJaHLhusEUVEWIIGG7uy aCyCDY6kT5GWXIFDZIUSHs2wYH3calNJ77nD0JWpD/6XWCbiS87F0zKtW9y3kfA4 0Lk6mJJDNSqUjbF0Y2sBYkuaisJI5lLxK1mfYET3AN7E4ZfDY9BJFXfMEPtMaKbD pW9p3CAiiYsJzg9976tHq4m7iO75nV2I29ZAv913oNSdOkxwH3ahE+6TFkAgNXnT 57j0QFUS8MxpxxqBFcY45ukmDjzeQ0SKIVpWQnfCQ8mlfvTJhBrllXIdhEenVtZK b83k3Mer/wYmfpLpQVsUYck/Yk0QV1doywOv/BVbwhxbMeEI27BvoGpGZTVVPEZF VhhdC4sbySG1Eva0wiJ2abyC9u5INlxOxRuSjSGqNJhTXwDWTw4gfWmoowm1sCVz uoJoR2bzZzDGda6C5g8OvXATeQR/DtjjLPI7V9MEhLfVFukHKQDaNYXkAxZb7cyn IepaMtiJ0RA= =99fO -----END PGP SIGNATURE----- Merge tag 'locking-debug-2021-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull memory model updates from Ingo Molnar: "LKMM updates: - Update documentation and code example KCSAN updates: - Introduce CONFIG_KCSAN_STRICT (which RCU uses) - Optimize use of get_ctx() by kcsan_found_watchpoint() - Rework atomic.h into permissive.h - Add the ability to ignore writes that change only one bit of a given data-racy variable. - Improve comments" * tag 'locking-debug-2021-09-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools/memory-model: Document data_race(READ_ONCE()) tools/memory-model: Heuristics using data_race() must handle all values tools/memory-model: Add example for heuristic lockless reads tools/memory-model: Make read_foo_diagnostic() more clearly diagnostic kcsan: Make strict mode imply interruptible watchers kcsan: permissive: Ignore data-racy 1-bit value changes kcsan: Print if strict or non-strict during init kcsan: Rework atomic.h into permissive.h kcsan: Reduce get_ctx() uses in kcsan_found_watchpoint() kcsan: Introduce CONFIG_KCSAN_STRICT kcsan: Remove CONFIG_KCSAN_DEBUG kcsan: Improve some Kconfig comments |
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b55060d796 |
hardening updates for v5.15-rc1
- Expand lib/test_stackinit to include more initialization styles - Improve Kconfig for CLang's auto-var-init feature - Introduce support for GCC's zero-call-used-regs feature -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmEtIvYWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJkmoD/47r7sT6Hj2u9+9JKHXmU0Ck8SQ TjfEDwWU1ntDf76i+DKrrbLO/ETVw7LplBCmT5IJIaWbtjQf43jd6IQjAasn9F3p R5VGvyYPGD6aOXZibpTeFfFZ3cEbcjOIg4sgwOp03Yw5eZNueajP5Q/sR6fbRhRZ 1Hz/RblElmFoTyJpw31t6NzM7hb9cdDvx7shc8SANi52x6+mGSjAj2RAUFD9fwB1 O8w39MTPITsbGg/JBJQ2G5ECFEVr8MIpA+hseRpp1BpMUms2q8wiDwD3Xultj1xM BDCIasnA2NiTuuHVvrXbceSrKKlkLF+bJxXojLMB1MmFhjgZrSki8Q3nr3wc95fV VuW/5FGbJP1OTJNWUEaeYGLD2F6EtzqYr5nPWbYOPGi/Pm+MCwH6Hr0hJy5zrWnQ uHpddv7gSLkUoaz72YNA3hK5twVFdK363Rv/BP8fYADsm+8yka9Lb6/pAeq3IAi1 qDr9RTKD/7mQ0N1ZgEA65e0S5yP68a3S/M3PLE5v/KJgcsyokTiUhOx/8toIOBFi voyUt4cWC4ZON7SMpzTmd9dEU65u8kVSd68tRK6XKJlwXJUnDvehLaXk6IAjKmx6 Nv1ciJjWp6D7EforcdpUOBCBQz+k+ns6sUThkzKfS1f+baPCsDmrPlCtweWx9N6G YGAI5lYFTuqrVrX5ig== =wFJL -----END PGP SIGNATURE----- Merge tag 'hardening-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening updates from Kees Cook: - Expand lib/test_stackinit to include more initialization styles - Improve Kconfig for CLang's auto-var-init feature - Introduce support for GCC's zero-call-used-regs feature * tag 'hardening-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: lib/test_stackinit: Add assigned initializers lib/test_stackinit: Allow building stand-alone lib/test_stackinit: Fix static initializer test hardening: Clarify Kconfig text for auto-var-init hardening: Introduce CONFIG_ZERO_CALL_USED_REGS |
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c815f04ba9 |
linux-kselftest-kunit-5.15-rc1
This KUnit update for Linux 5.15-rc1 adds new features and tests: tool: -- support for --kernel_args to allow setting module params -- support for --raw_output option to show just the kunit output during make tests: -- KUnit tests for checksums and timestamps -- Print test statistics on failure -- Integrates UBSAN into the KUnit testing framework. It fails KUnit tests whenever it reports undefined behavior. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmEue3EACgkQCwJExA0N QxzbWRAAsf3NoDhYxNNN0PS9HeyYjnU8evaYWokhJW6LHyJeYkaZ9bTxx9jeAJxR xl+ywjz5+p86ePDtAVmMeZ41PBs5MOJo//yYJays1SZYuewFpoxMn+vIsILWIN4N Dw3cBTjNSIIPtX5Zx2xO4zU0v+LYMlw3YMYAhe1UU+yEOwnzLABN/Svi1LbMHgPy TDUElDHiuJ+0ODxbuvTdZS5B5tV1NnHayuGNNBD3mf2I9ORxgY+myYGYtsZSMALf LBhQVB9IfkfhwM2yUGwvjiamVxjoWXxzjnlkWgrCyw+FgqyQnkV71dmimy+3Z8Pn LCqPGGQy8Oy4iPtbXec36D/3+tGjanwNRmlZZyBgdqXLSiUthZjGdnE2TIq/pRZR +ZFpmz/qGOcjvTX+1i5jrDVppOOcK9ArS2Yzykt/vVlxoW/9JyTgk6MHWn3pN6Jy GWC5H+fHsSLXcne8oel+1m8OMFZHuraxZsifkdDhKNwwWAMmTPZZzDsW+2pLtCV2 2XXplGlQ9awjypSPY9oZwz8EAgpFi41LMzfZ7wVwjTe+DaRHVe9hZhwbVN95r1+x gaoi7I3C1b8L0ZYtcVogiyCcpXJEmTUo3+Qi6PEIOf9eHdGIZaWAb7lXQBEbBQIw mwfR+/cQh/qe735thJ5HZD/xd2d7eQkEeV/tqXgSZsMnQc8I5E4= =cPbp -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-kunit-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull KUnit updates from Shuah Khan: "This KUnit update for Linux 5.15-rc1 adds new features and tests: Tool: - support for '--kernel_args' to allow setting module params - support for '--raw_output' option to show just the kunit output during make Tests: - new KUnit tests for checksums and timestamps - Print test statistics on failure - Integrates UBSAN into the KUnit testing framework. It fails KUnit tests whenever it reports undefined behavior" * tag 'linux-kselftest-kunit-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: Print test statistics on failure kunit: tool: make --raw_output support only showing kunit output kunit: tool: add --kernel_args to allow setting module params kunit: ubsan integration fat: Add KUnit tests for checksums and timestamps |
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df43d90382 |
printk changes for 5.15
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAmEt+hwACgkQUqAMR0iA lPLppBAAiyrUNVmqqtdww+IJajEs1uD/4FqPsysHRwroHBFymJeQG1XCwUpDZ7jj 6gXT0chxyjQE18gT/W9nf+PSmA9XvIVA1WSR+WCECTNW3YoZXqtgwiHfgnitXYku HlmoZLthYeuoXWw2wn+hVLfTRh6VcPHYEaC21jXrs6B1pOXHbvjJ5eTLHlX9oCfL UKSK+jFTHAJcn/GskRzviBe0Hpe8fqnkRol2XX13ltxqtQ73MjaGNu7imEH6/Pa7 /MHXWtuWJtOvuYz17aztQP4Qwh1xy+kakMy3aHucdlxRBTP4PTzzTuQI3L/RYi6l +ttD7OHdRwqFAauBLY3bq3uJjYb5v/64ofd8DNnT2CJvtznY8wrPbTdFoSdPcL2Q 69/opRWHcUwbU/Gt4WLtyQf3Mk0vepgMbbVg1B5SSy55atRZaXMrA2QJ/JeawZTB KK6D/mE7ccze/YFzsySunCUVKCm0veoNxEAcakCCZKXSbsvd1MYcIRC0e+2cv6e5 2NEH7gL4dD+5tqu5nzvIuKDn3NrDQpbi28iUBoFbkxRgcVyvHJ9AGSa62wtb5h3D OgkqQMdVKBbjYNeUodPlQPzmXZDasytavyd0/BC/KENOcBvU/8gW++2UZTfsh/1A dLjgwFBdyJncQcCS9Abn20/EKntbIMEX8NLa97XWkA3fuzMKtak= =yEVq -----END PGP SIGNATURE----- Merge tag 'printk-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux Pull printk updates from Petr Mladek: - Optionally, provide an index of possible printk messages via <debugfs>/printk/index/. It can be used when monitoring important kernel messages on a farm of various hosts. The monitor has to be updated when some messages has changed or are not longer available by a newly deployed kernel. - Add printk.console_no_auto_verbose boot parameter. It allows to generate crash dump even with slow consoles in a reasonable time frame. - Remove printk_safe buffers. The messages are always stored directly to the main logbuffer, even in NMI or recursive context. Also it allows to serialize syslog operations by a mutex instead of a spin lock. - Misc clean up and build fixes. * tag 'printk-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: printk/index: Fix -Wunused-function warning lib/nmi_backtrace: Serialize even messages about idle CPUs printk: Add printk.console_no_auto_verbose boot parameter printk: Remove console_silent() lib/test_scanf: Handle n_bits == 0 in random tests printk: syslog: close window between wait and read printk: convert @syslog_lock to mutex printk: remove NMI tracking printk: remove safe buffers printk: track/limit recursion lib/nmi_backtrace: explicitly serialize banner and regs printk: Move the printk() kerneldoc comment to its new home printk/index: Fix warning about missing prototypes MIPS/asm/printk: Fix build failure caused by printk printk: index: Add indexing support to dev_printk printk: Userspace format indexing support printk: Rework parse_prefix into printk_parse_prefix printk: Straighten out log_flags into printk_info_flags string_helpers: Escape double quotes in escape_special printk/console: Check consistent sequence number when handling race in console_unlock() |
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4cdc4cc2ad |
asm-generic changes for 5.15
The main content for 5.15 is a series that cleans up the handling of strncpy_from_user() and strnlen_user(), removing a lot of slightly incorrect versions of these in favor of the lib/strn*.c helpers that implement these correctly and more efficiently. The only architectures that retain a private version now are mips, ia64, um and parisc. I had offered to convert those at all, but Thomas Bogendoerfer wanted to keep the mips version for the moment until he had a chance to do regression testing. The branch also contains two patches for bitops and for ffs(). Signed-off-by: Arnd Bergmann <arnd@arndb.de> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUAYS82fGCrR//JCVInAQL9AxAAruOge7r8vzXQC8ehR4iw4/pCyzsLWdjh bLvTCovhD6y1KXb0cU3qMI2SUESwy/w9YteyLs4Edh5Yhm9uWIXz2WO6zTNDuW1g eNd6lcmoOLOXFxCUX3TZqvnxaEEiedjEJjOTicTBRv8c79Kw+2DTFYEwi8MIWlbx gGdGLOJ2SORl6HeE+wn8bfMPCChisMod75koi+Vnp3kp9+aw8VIi0RVMjtZ4HI3v z9H0DD0jDAy1eaXnC2+dsaIyrAq8/Lo/pqVBvUJRoBFaV/FHvNH2M0yl15yJYx1V 1KNJlBhoedc0PiMO9OnsRS1GMq1kEeo+u9gJPqphZQWooAQotD5C0sXsPnsghGo0 IrsVANy4H0k2h0AazRZd3KwV03aJ6FWHz3qyvbglLAQjKU1MgZTgroF5Q6R2FMtV /VtswpGB707+oGtmFvHc1lVgRYZTfduGT1jjBgwUuTUmLhI3/yRIlnodd6dXneX6 FOK3WbxlhUuIaSZLObLved/yNBgoOajP3vHIUc4c9HrsPEvkjKPB1g/VpbqqWVXe vF5/MeUN+b3Rq+h1GnnZQmhiOPIydZmK3qK7zYzp5Da+Ke4I2zWv/Et0/eFSZmh8 rS/cNMLshSOKMbaPvdopUnWhLspUh82wWDNjDFJx2XNlStVpFkMikKtSY4TrtbV+ zzHxZpLyQxc= =NB0a -----END PGP SIGNATURE----- Merge tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic updates from Arnd Bergmann: "The main content for 5.15 is a series that cleans up the handling of strncpy_from_user() and strnlen_user(), removing a lot of slightly incorrect versions of these in favor of the lib/strn*.c helpers that implement these correctly and more efficiently. The only architectures that retain a private version now are mips, ia64, um and parisc. I had offered to convert those at all, but Thomas Bogendoerfer wanted to keep the mips version for the moment until he had a chance to do regression testing. The branch also contains two patches for bitops and for ffs()" * tag 'asm-generic-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: bitops/non-atomic: make @nr unsigned to avoid any DIV asm-generic: ffs: Drop bogus reference to ffz location asm-generic: reverse GENERIC_{STRNCPY_FROM,STRNLEN}_USER symbols asm-generic: remove extra strn{cpy_from,len}_user declarations asm-generic: uaccess: remove inline strncpy_from_user/strnlen_user s390: use generic strncpy/strnlen from_user microblaze: use generic strncpy/strnlen from_user csky: use generic strncpy/strnlen from_user arc: use generic strncpy/strnlen from_user hexagon: use generic strncpy/strnlen from_user h8300: remove stale strncpy_from_user asm-generic/uaccess.h: remove __strncpy_from_user/__strnlen_user |
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57c78a234e |
arm64 updates for 5.15:
- Support for 32-bit tasks on asymmetric AArch32 systems (on top of the scheduler changes merged via the tip tree). - More entry.S clean-ups and conversion to C. - MTE updates: allow a preferred tag checking mode to be set per CPU (the overhead of synchronous mode is smaller for some CPUs than others); optimisations for kernel entry/exit path; optionally disable MTE on the kernel command line. - Kselftest improvements for SVE and signal handling, PtrAuth. - Fix unlikely race where a TLBI could use stale ASID on an ASID roll-over (found by inspection). - Miscellaneous fixes: disable trapping of PMSNEVFR_EL1 to higher exception levels; drop unnecessary sigdelsetmask() call in the signal32 handling; remove BUG_ON when failing to allocate SVE state (just signal the process); SYM_CODE annotations. - Other trivial clean-ups: use macros instead of magic numbers, remove redundant returns, typos. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAmEuYkoACgkQa9axLQDI XvEWVw/9HSWbccLrQ68ulaqZkL4r6lL2RqvZ2p6fkIRW7bX1JS4UJjWe3+VBg5Ed DQ1A5cHC5ZndQ4gCRsUhcq7IMXBSj3twMzK7yxBk3zh8tbhVrIOONsKMurMw1NyM OmoyTJ01i2ZrkDs0OU3fBlvIHPxBjKbOZqykOJHjrB2rwBSbsyUw2KvpM7ha8DOf O7gKViDrdAhumdIL9rsMvSiIPoJLCxvqeu55c3saVu1JrUR6ENu7lMu3jt4WrfK3 m5gf76IFbgxXvlLiC8RJW7OYaXZ+COb7RA/yP/lK+Y0ug9PwqTpzXDwqvAp8nBIv y7DK0umcBwfDWmwnRO+ZzNPjOGTHnOnjC07WNBPn3v03pMeJ8v8RnvzHkliek31P r6uFWBxWO/O0sBbSpR+4tzgNfir0RkMajwL5pxQCEMoPCucStYQQl8zIeJeJecpT DKIyKzfFw6O59gdhE6dCj2wXH8YmKUoSUPCAXpKGzK/oYVOGVQTZSZjIC++ydFWv AOXz77etPidk3/Tl15Ena7fkkMkxX9UM8dTjOFS64mSWlEyzE6FtfAgm2rIEOaG7 ps6IjVzVves39SC+yry8T2L6gsxPnanRfwKKCWHkovQzNFgs5Qt51Fd5eIeI1jZ0 uEZhd19FN4136QhjWJOeXL/eyj0bv1WLX/mUln95sHnKyf4je9w= =X6Wm -----END PGP SIGNATURE----- Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 updates from Catalin Marinas: - Support for 32-bit tasks on asymmetric AArch32 systems (on top of the scheduler changes merged via the tip tree). - More entry.S clean-ups and conversion to C. - MTE updates: allow a preferred tag checking mode to be set per CPU (the overhead of synchronous mode is smaller for some CPUs than others); optimisations for kernel entry/exit path; optionally disable MTE on the kernel command line. - Kselftest improvements for SVE and signal handling, PtrAuth. - Fix unlikely race where a TLBI could use stale ASID on an ASID roll-over (found by inspection). - Miscellaneous fixes: disable trapping of PMSNEVFR_EL1 to higher exception levels; drop unnecessary sigdelsetmask() call in the signal32 handling; remove BUG_ON when failing to allocate SVE state (just signal the process); SYM_CODE annotations. - Other trivial clean-ups: use macros instead of magic numbers, remove redundant returns, typos. * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (56 commits) arm64: Do not trap PMSNEVFR_EL1 arm64: mm: fix comment typo of pud_offset_phys() arm64: signal32: Drop pointless call to sigdelsetmask() arm64/sve: Better handle failure to allocate SVE register storage arm64: Document the requirement for SCR_EL3.HCE arm64: head: avoid over-mapping in map_memory arm64/sve: Add a comment documenting the binutils needed for SVE asm arm64/sve: Add some comments for sve_save/load_state() kselftest/arm64: signal: Add a TODO list for signal handling tests kselftest/arm64: signal: Add test case for SVE register state in signals kselftest/arm64: signal: Verify that signals can't change the SVE vector length kselftest/arm64: signal: Check SVE signal frame shows expected vector length kselftest/arm64: signal: Support signal frames with SVE register data kselftest/arm64: signal: Add SVE to the set of features we can check for arm64: replace in_irq() with in_hardirq() kselftest/arm64: pac: Fix skipping of tests on systems without PAC Documentation: arm64: describe asymmetric 32-bit support arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores arm64: Hook up cmdline parameter to allow mismatched 32-bit EL0 arm64: Advertise CPUs capable of running 32-bit applications in sysfs ... |
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c6c3c5704b |
Driver core update for 5.15-rc1
Here is the big set of driver core patches for 5.15-rc1. These do change a number of different things across different subsystems, and because of that, there were 2 stable tags created that might have already come into your tree from different pulls that did the following - changed the bus remove callback to return void - sysfs iomem_get_mapping rework The latter one will cause a tiny merge issue with your tree, as there was a last-minute fix for this in 5.14 in your tree, but the fixup should be "obvious". If you want me to provide a fixed merge for this, please let me know. Other than those two things, there's only a few small things in here: - kernfs performance improvements for huge numbers of sysfs users at once - tiny api cleanups - other minor changes All of these have been in linux-next for a while with no reported problems, other than the before-mentioned merge issue. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYS+FLQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylXuACfWECnysDtXNe66DdETCFs1a1RToYAoMokWeU5 s8VFP1NY2BjmxJbkebLL =8kVu -----END PGP SIGNATURE----- Merge tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here is the big set of driver core patches for 5.15-rc1. These do change a number of different things across different subsystems, and because of that, there were 2 stable tags created that might have already come into your tree from different pulls that did the following - changed the bus remove callback to return void - sysfs iomem_get_mapping rework Other than those two things, there's only a few small things in here: - kernfs performance improvements for huge numbers of sysfs users at once - tiny api cleanups - other minor changes All of these have been in linux-next for a while with no reported problems, other than the before-mentioned merge issue" * tag 'driver-core-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (33 commits) MAINTAINERS: Add dri-devel for component.[hc] driver core: platform: Remove platform_device_add_properties() ARM: tegra: paz00: Handle device properties with software node API bitmap: extend comment to bitmap_print_bitmask/list_to_buf drivers/base/node.c: use bin_attribute to break the size limitation of cpumap ABI topology: use bin_attribute to break the size limitation of cpumap ABI lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases cpumask: introduce cpumap_print_list/bitmask_to_buf to support large bitmask and list sysfs: Rename struct bin_attribute member to f_mapping sysfs: Invoke iomem_get_mapping() from the sysfs open callback debugfs: Return error during {full/open}_proxy_open() on rmmod zorro: Drop useless (and hardly used) .driver member in struct zorro_dev zorro: Simplify remove callback sh: superhyway: Simplify check in remove callback nubus: Simplify check in remove callback nubus: Make struct nubus_driver::remove return void kernfs: dont call d_splice_alias() under kernfs node lock kernfs: use i_lock to protect concurrent inode updates kernfs: switch kernfs to use an rwsem kernfs: use VFS negative dentry caching ... |
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9e9fb7655e |
Core:
- Enable memcg accounting for various networking objects. BPF: - Introduce bpf timers. - Add perf link and opaque bpf_cookie which the program can read out again, to be used in libbpf-based USDT library. - Add bpf_task_pt_regs() helper to access user space pt_regs in kprobes, to help user space stack unwinding. - Add support for UNIX sockets for BPF sockmap. - Extend BPF iterator support for UNIX domain sockets. - Allow BPF TCP congestion control progs and bpf iterators to call bpf_setsockopt(), e.g. to switch to another congestion control algorithm. Protocols: - Support IOAM Pre-allocated Trace with IPv6. - Support Management Component Transport Protocol. - bridge: multicast: add vlan support. - netfilter: add hooks for the SRv6 lightweight tunnel driver. - tcp: - enable mid-stream window clamping (by user space or BPF) - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD - more accurate DSACK processing for RACK-TLP - mptcp: - add full mesh path manager option - add partial support for MP_FAIL - improve use of backup subflows - optimize option processing - af_unix: add OOB notification support. - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by the router. - mac80211: Target Wake Time support in AP mode. - can: j1939: extend UAPI to notify about RX status. Driver APIs: - Add page frag support in page pool API. - Many improvements to the DSA (distributed switch) APIs. - ethtool: extend IRQ coalesce uAPI with timer reset modes. - devlink: control which auxiliary devices are created. - Support CAN PHYs via the generic PHY subsystem. - Proper cross-chip support for tag_8021q. - Allow TX forwarding for the software bridge data path to be offloaded to capable devices. Drivers: - veth: more flexible channels number configuration. - openvswitch: introduce per-cpu upcall dispatch. - Add internet mix (IMIX) mode to pktgen. - Transparently handle XDP operations in the bonding driver. - Add LiteETH network driver. - Renesas (ravb): - support Gigabit Ethernet IP - NXP Ethernet switch (sja1105) - fast aging support - support for "H" switch topologies - traffic termination for ports under VLAN-aware bridge - Intel 1G Ethernet - support getcrosststamp() with PCIe PTM (Precision Time Measurement) for better time sync - support Credit-Based Shaper (CBS) offload, enabling HW traffic prioritization and bandwidth reservation - Broadcom Ethernet (bnxt) - support pulse-per-second output - support larger Rx rings - Mellanox Ethernet (mlx5) - support ethtool RSS contexts and MQPRIO channel mode - support LAG offload with bridging - support devlink rate limit API - support packet sampling on tunnels - Huawei Ethernet (hns3): - basic devlink support - add extended IRQ coalescing support - report extended link state - Netronome Ethernet (nfp): - add conntrack offload support - Broadcom WiFi (brcmfmac): - add WPA3 Personal with FT to supported cipher suites - support 43752 SDIO device - Intel WiFi (iwlwifi): - support scanning hidden 6GHz networks - support for a new hardware family (Bz) - Xen pv driver: - harden netfront against malicious backends - Qualcomm mobile - ipa: refactor power management and enable automatic suspend - mhi: move MBIM to WWAN subsystem interfaces Refactor: - Ambient BPF run context and cgroup storage cleanup. - Compat rework for ndo_ioctl. Old code removal: - prism54 remove the obsoleted driver, deprecated by the p54 driver. - wan: remove sbni/granch driver. Signed-off-by: Jakub Kicinski <kuba@kernel.org> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE6jPA+I1ugmIBA4hXMUZtbf5SIrsFAmEukBYACgkQMUZtbf5S IrsyHA//TO8dw18NYts4n9LmlJT2naJ7yBUUSSXK/M+DtW0MQ9nnHhqzPm5uJdRl IgQTNJrW3dYzRwgqaWZqEwO1t5/FI+f87ND1Nsekg7x9tF66a6ov5WxU26TwwSba U+si/inQ/4chuQ+LxMQobqCDxaLE46I2dIoRl+YfndJ24DRzYSwAEYIPPbSdfyU+ +/l+3s4GaxO4k/hLciPAiOniyxLoUNiGUTNh+2yqRBXelSRJRKVnl+V22ANFrxRW nTEiplfVKhlPU1e4iLuRtaxDDiePHhw9I3j/lMHhfeFU2P/gKJIvz4QpGV0CAZg2 1VvDU32WEx1GQLXJbKm0KwoNRUq1QSjOyyFti+BO7ugGaYAR4gKhShOqlSYLzUtB tbtzQhSNLWOGqgmSJOztZb5kFDm2EdRSll5/lP2uyFlPkIsIp0QbscJVzNTnS74b Xz15ZOw41Z4TfWPEMWgfrx6Zkm7pPWkly+7WfUkPcHa1gftNz6tzXXxSXcXIBPdi yQ5JCzzxrM5573YHuk5YedwZpn6PiAt4A/muFGk9C6aXP60TQAOS/ppaUzZdnk4D NfOk9mj06WEULjYjPcKEuT3GGWE6kmjb8Pu0QZWKOchv7vr6oZly1EkVZqYlXELP AfhcrFeuufie8mqm0jdb4LnYaAnqyLzlb1J4Zxh9F+/IX7G3yoc= =JDGD -----END PGP SIGNATURE----- Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - Enable memcg accounting for various networking objects. BPF: - Introduce bpf timers. - Add perf link and opaque bpf_cookie which the program can read out again, to be used in libbpf-based USDT library. - Add bpf_task_pt_regs() helper to access user space pt_regs in kprobes, to help user space stack unwinding. - Add support for UNIX sockets for BPF sockmap. - Extend BPF iterator support for UNIX domain sockets. - Allow BPF TCP congestion control progs and bpf iterators to call bpf_setsockopt(), e.g. to switch to another congestion control algorithm. Protocols: - Support IOAM Pre-allocated Trace with IPv6. - Support Management Component Transport Protocol. - bridge: multicast: add vlan support. - netfilter: add hooks for the SRv6 lightweight tunnel driver. - tcp: - enable mid-stream window clamping (by user space or BPF) - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD - more accurate DSACK processing for RACK-TLP - mptcp: - add full mesh path manager option - add partial support for MP_FAIL - improve use of backup subflows - optimize option processing - af_unix: add OOB notification support. - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by the router. - mac80211: Target Wake Time support in AP mode. - can: j1939: extend UAPI to notify about RX status. Driver APIs: - Add page frag support in page pool API. - Many improvements to the DSA (distributed switch) APIs. - ethtool: extend IRQ coalesce uAPI with timer reset modes. - devlink: control which auxiliary devices are created. - Support CAN PHYs via the generic PHY subsystem. - Proper cross-chip support for tag_8021q. - Allow TX forwarding for the software bridge data path to be offloaded to capable devices. Drivers: - veth: more flexible channels number configuration. - openvswitch: introduce per-cpu upcall dispatch. - Add internet mix (IMIX) mode to pktgen. - Transparently handle XDP operations in the bonding driver. - Add LiteETH network driver. - Renesas (ravb): - support Gigabit Ethernet IP - NXP Ethernet switch (sja1105): - fast aging support - support for "H" switch topologies - traffic termination for ports under VLAN-aware bridge - Intel 1G Ethernet - support getcrosststamp() with PCIe PTM (Precision Time Measurement) for better time sync - support Credit-Based Shaper (CBS) offload, enabling HW traffic prioritization and bandwidth reservation - Broadcom Ethernet (bnxt) - support pulse-per-second output - support larger Rx rings - Mellanox Ethernet (mlx5) - support ethtool RSS contexts and MQPRIO channel mode - support LAG offload with bridging - support devlink rate limit API - support packet sampling on tunnels - Huawei Ethernet (hns3): - basic devlink support - add extended IRQ coalescing support - report extended link state - Netronome Ethernet (nfp): - add conntrack offload support - Broadcom WiFi (brcmfmac): - add WPA3 Personal with FT to supported cipher suites - support 43752 SDIO device - Intel WiFi (iwlwifi): - support scanning hidden 6GHz networks - support for a new hardware family (Bz) - Xen pv driver: - harden netfront against malicious backends - Qualcomm mobile - ipa: refactor power management and enable automatic suspend - mhi: move MBIM to WWAN subsystem interfaces Refactor: - Ambient BPF run context and cgroup storage cleanup. - Compat rework for ndo_ioctl. Old code removal: - prism54 remove the obsoleted driver, deprecated by the p54 driver. - wan: remove sbni/granch driver" * tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1715 commits) net: Add depends on OF_NET for LiteX's LiteETH ipv6: seg6: remove duplicated include net: hns3: remove unnecessary spaces net: hns3: add some required spaces net: hns3: clean up a type mismatch warning net: hns3: refine function hns3_set_default_feature() ipv6: remove duplicated 'net/lwtunnel.h' include net: w5100: check return value after calling platform_get_resource() net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx() net: mdio: mscc-miim: Make use of the helper function devm_platform_ioremap_resource() net: mdio-ipq4019: Make use of devm_platform_ioremap_resource() fou: remove sparse errors ipv4: fix endianness issue in inet_rtm_getroute_build_skb() octeontx2-af: Set proper errorcode for IPv4 checksum errors octeontx2-af: Fix static code analyzer reported issues octeontx2-af: Fix mailbox errors in nix_rss_flowkey_cfg octeontx2-af: Fix loop in free and unmap counter af_unix: fix potential NULL deref in unix_dgram_connect() dpaa2-eth: Replace strlcpy with strscpy octeontx2-af: Use NDC TX for transmit packet data ... |
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8bda955776 |
New features:
- Support for server-side disconnect injection via debugfs - Protocol definitions for new RPC_AUTH_TLS authentication flavor Performance improvements: - Reduce page allocator traffic in the NFSD splice read actor - Reduce CPU utilization in svcrdma's Send completion handler Notable bug fixes: - Stabilize lockd operation when re-exporting NFS mounts - Fix the use of %.*s in NFSD tracepoints - Fix /proc/sys/fs/nfs/nsm_use_hostnames -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmEqq0AACgkQM2qzM29m f5dYig/5AaPN2BWYf4D1VkrAS3+zGS+3IN23WVgpbA54jgfjPEH+Aa00YhEQQa0j Y5u/jE5g/tWvenDefq5BmvdRfZMWCVc2JkngctOSflhaREUWK+HgCkH+5DQs6zUM rbX7qy0v6wJnEMSlwCKJ2AuZbYw7Bsg2nvOgEbb718/ent3umeoXEK09x3HTWLEp eVcMU5uicB5wRRPpROYG792oWzUScQ8kyiRCKJfQDoR7bINhBeVHObAIFMBo1UaH x9CMX4RlPYGmoMYUc+AqcOM7hizucHpXqM1r3oVjQ7FyI+pmDLuLL/3OTjtRUX7+ nYLqNW/PijH9PjFe4BPjGHAUQfKiTIXANAe8VdjQj70D40jYkP+jQ9SPdV+pEgi4 U4azfK3S+85/bRYYq/1alcLiP1+6dgcL++rVvnKESTH9NRgNoEw2WZHeKxXiYaxU p7oOC4XdnYDwcz/3QVWa0sK2kA5IJHzOsCQR7OilD09NAJ+AbJTAp0H3xFXTllzb AV2CAEBVZlP+pZYOehuVnKpZPa7YAWx92wRK2anbRUMZN3lF1wWBEOTd6KweIpTx l2GJSf3GWBqL1x9PjSet/cBusxYjTA+S1hE7KMrsNPhzbvpIgAZEtSqOfn9apDCV uAFIN2DSiHm3Tv0aFSJWo+CMyKkyktuiS8JFKaFdzCp9NtsBM2M= =TGkK -----END PGP SIGNATURE----- Merge tag 'nfsd-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "New features: - Support for server-side disconnect injection via debugfs - Protocol definitions for new RPC_AUTH_TLS authentication flavor Performance improvements: - Reduce page allocator traffic in the NFSD splice read actor - Reduce CPU utilization in svcrdma's Send completion handler Notable bug fixes: - Stabilize lockd operation when re-exporting NFS mounts - Fix the use of %.*s in NFSD tracepoints - Fix /proc/sys/fs/nfs/nsm_use_hostnames" * tag 'nfsd-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (31 commits) nfsd: fix crash on LOCKT on reexported NFSv3 nfs: don't allow reexport reclaims lockd: don't attempt blocking locks on nfs reexports nfs: don't atempt blocking locks on nfs reexports Keep read and write fds with each nlm_file lockd: update nlm_lookup_file reexport comment nlm: minor refactoring nlm: minor nlm_lookup_file argument change lockd: lockd server-side shouldn't set fl_ops SUNRPC: Add documentation for the fail_sunrpc/ directory SUNRPC: Server-side disconnect injection SUNRPC: Move client-side disconnect injection SUNRPC: Add a /sys/kernel/debug/fail_sunrpc/ directory svcrdma: xpt_bc_xprt is already clear in __svc_rdma_free() nfsd4: Fix forced-expiry locking rpc: fix gss_svc_init cleanup on failure SUNRPC: Add RPC_AUTH_TLS protocol numbers lockd: change the proc_handler for nsm_use_hostnames sysctl: introduce new proc handler proc_dobool SUNRPC: Fix a NULL pointer deref in trace_svc_stats_latency() ... |
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65266a7c6a |
Merge remote-tracking branch 'tip/sched/arm64' into for-next/core
* tip/sched/arm64: (785 commits) Documentation: arm64: describe asymmetric 32-bit support arm64: Remove logic to kill 32-bit tasks on 64-bit-only cores arm64: Hook up cmdline parameter to allow mismatched 32-bit EL0 arm64: Advertise CPUs capable of running 32-bit applications in sysfs arm64: Prevent offlining first CPU with 32-bit EL0 on mismatched system arm64: exec: Adjust affinity for compat tasks with mismatched 32-bit EL0 arm64: Implement task_cpu_possible_mask() sched: Introduce dl_task_check_affinity() to check proposed affinity sched: Allow task CPU affinity to be restricted on asymmetric systems sched: Split the guts of sched_setaffinity() into a helper function sched: Introduce task_struct::user_cpus_ptr to track requested affinity sched: Reject CPU affinity changes based on task_cpu_possible_mask() cpuset: Cleanup cpuset_cpus_allowed_fallback() use in select_fallback_rq() cpuset: Honour task_cpu_possible_mask() in guarantee_online_cpus() cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1 sched: Introduce task_cpu_possible_mask() to limit fallback rq selection sched: Cgroup SCHED_IDLE support sched/topology: Skip updating masks for non-online nodes Linux 5.14-rc6 lib: use PFN_PHYS() in devmem_is_allowed() ... |
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679369114e |
for-5.15/block-2021-08-30
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmEs6H0QHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpukbD/9Qk9fQte+WJVmpbdvhV40gcKBVnGOVH0ke k+36x6AB/gWKnFHwtprsSyVqPxmzqwTv9VIq5l/s3Vydt3L61znvTneBeN03Wlkn UTxD0lY8HzyVWnZb82LBBjjy7cs6EzrFG4kBH/ZiTAyTcBsCAvzo5J7mywb4gFjj L/HeBq58EJ3WCUlxlVW1ijctvi7wnGoaH5bZY1TE00GGT6TysN2bEPfzjkuYHrDz RqhoQdWPLDz6h3x9lAncPw2MWlcmlGvJ96ABseAKFPKvXxE2PzgolSoQfVUUJtko bqGyy2ns+pxN11SrcGYjogEKVKhONoms/5UN1RtwRBVsgvecxlHER/SgyZ8luBDo lFhVXulkSjpswbWutRy3USge98GwMu2Z4ppP2CDmO7hkQd0DF8sL0kPKyaREkcHi NmsD/0zF2uUhUVN+PRC/MuzngAmL4Mmxjk70L+MohlK7e+H3pnEo1ec3OMcXe+wB dG6t/BFD9bYmj0UjsHeXEoR/iRuvSba1L8zBz5dhRaHH6DvdycYhpynXWWlU3C8K 3nzEVVpcDINMsiRl1Vqb6g6HsMwHIH84FRl7Mc51UmhW9C4gLfWMCt1guQuzOj72 yEbmCLydE/FR2IUPY7eqX8hRG8GTUlMtSvGdgnvBOcWj+K3buT/c5yVTHgTrN8ox LCOXHSvV6w== =S8fs -----END PGP SIGNATURE----- Merge tag 'for-5.15/block-2021-08-30' of git://git.kernel.dk/linux-block Pull block updates from Jens Axboe: "Nothing major in here - lots of good cleanups and tech debt handling, which is also evident in the diffstats. In particular: - Add disk sequence numbers (Matteo) - Discard merge fix (Ming) - Relax disk zoned reporting restrictions (Niklas) - Bio error handling zoned leak fix (Pavel) - Start of proper add_disk() error handling (Luis, Christoph) - blk crypto fix (Eric) - Non-standard GPT location support (Dmitry) - IO priority improvements and cleanups (Damien)o - blk-throtl improvements (Chunguang) - diskstats_show() stack reduction (Abd-Alrhman) - Loop scheduler selection (Bart) - Switch block layer to use kmap_local_page() (Christoph) - Remove obsolete disk_name helper (Christoph) - block_device refcounting improvements (Christoph) - Ensure gendisk always has a request queue reference (Christoph) - Misc fixes/cleanups (Shaokun, Oliver, Guoqing)" * tag 'for-5.15/block-2021-08-30' of git://git.kernel.dk/linux-block: (129 commits) sg: pass the device name to blk_trace_setup block, bfq: cleanup the repeated declaration blk-crypto: fix check for too-large dun_bytes blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN blk-zoned: allow zone management send operations without CAP_SYS_ADMIN block: mark blkdev_fsync static block: refine the disk_live check in del_gendisk mmc: sdhci-tegra: Enable MMC_CAP2_ALT_GPT_TEGRA mmc: block: Support alternative_gpt_sector() operation partitions/efi: Support non-standard GPT location block: Add alternative_gpt_sector() operation bio: fix page leak bio_add_hw_page failure block: remove CONFIG_DEBUG_BLOCK_EXT_DEVT block: remove a pointless call to MINOR() in device_add_disk null_blk: add error handling support for add_disk() virtio_blk: add error handling support for add_disk() block: add error handling for device_add_disk / add_disk block: return errors from disk_alloc_events block: return errors from blk_integrity_add block: call blk_register_queue earlier in device_add_disk ... |
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19a31d7921 |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says: ==================== bpf-next 2021-08-31 We've added 116 non-merge commits during the last 17 day(s) which contain a total of 126 files changed, 6813 insertions(+), 4027 deletions(-). The main changes are: 1) Add opaque bpf_cookie to perf link which the program can read out again, to be used in libbpf-based USDT library, from Andrii Nakryiko. 2) Add bpf_task_pt_regs() helper to access userspace pt_regs, from Daniel Xu. 3) Add support for UNIX stream type sockets for BPF sockmap, from Jiang Wang. 4) Allow BPF TCP congestion control progs to call bpf_setsockopt() e.g. to switch to another congestion control algorithm during init, from Martin KaFai Lau. 5) Extend BPF iterator support for UNIX domain sockets, from Kuniyuki Iwashima. 6) Allow bpf_{set,get}sockopt() calls from setsockopt progs, from Prankur Gupta. 7) Add bpf_get_netns_cookie() helper for BPF_PROG_TYPE_{SOCK_OPS,CGROUP_SOCKOPT} progs, from Xu Liu and Stanislav Fomichev. 8) Support for __weak typed ksyms in libbpf, from Hao Luo. 9) Shrink struct cgroup_bpf by 504 bytes through refactoring, from Dave Marchevsky. 10) Fix a smatch complaint in verifier's narrow load handling, from Andrey Ignatov. 11) Fix BPF interpreter's tail call count limit, from Daniel Borkmann. 12) Big batch of improvements to BPF selftests, from Magnus Karlsson, Li Zhijian, Yucong Sun, Yonghong Song, Ilya Leoshkevich, Jussi Maki, Ilya Leoshkevich, others. 13) Another big batch to revamp XDP samples in order to give them consistent look and feel, from Kumar Kartikeya Dwivedi. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (116 commits) MAINTAINERS: Remove self from powerpc BPF JIT selftests/bpf: Fix potential unreleased lock samples: bpf: Fix uninitialized variable in xdp_redirect_cpu selftests/bpf: Reduce more flakyness in sockmap_listen bpf: Fix bpf-next builds without CONFIG_BPF_EVENTS bpf: selftests: Add dctcp fallback test bpf: selftests: Add connect_to_fd_opts to network_helpers bpf: selftests: Add sk_state to bpf_tcp_helpers.h bpf: tcp: Allow bpf-tcp-cc to call bpf_(get|set)sockopt selftests: xsk: Preface options with opt selftests: xsk: Make enums lower case selftests: xsk: Generate packets from specification selftests: xsk: Generate packet directly in umem selftests: xsk: Simplify cleanup of ifobjects selftests: xsk: Decrease sending speed selftests: xsk: Validate tx stats on tx thread selftests: xsk: Simplify packet validation in xsk tests selftests: xsk: Rename worker_* functions that are not thread entry points selftests: xsk: Disassociate umem size with packets sent selftests: xsk: Remove end-of-test packet ... ==================== Link: https://lore.kernel.org/r/20210830225618.11634-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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e5e726f7bb |
Updates for locking and atomics:
The regular pile: - A few improvements to the mutex code - Documentation updates for atomics to clarify the difference between cmpxchg() and try_cmpxchg() and to explain the forward progress expectations. - Simplification of the atomics fallback generator - The addition of arch_atomic_long*() variants and generic arch_*() bitops based on them. - Add the missing might_sleep() invocations to the down*() operations of semaphores. The PREEMPT_RT locking core: - Scheduler updates to support the state preserving mechanism for 'sleeping' spin- and rwlocks on RT. This mechanism is carefully preserving the state of the task when blocking on a 'sleeping' spin- or rwlock and takes regular wake-ups targeted at the same task into account. The preserved or updated (via a regular wakeup) state is restored when the lock has been acquired. - Restructuring of the rtmutex code so it can be utilized and extended for the RT specific lock variants. - Restructuring of the ww_mutex code to allow sharing of the ww_mutex specific functionality for rtmutex based ww_mutexes. - Header file disentangling to allow substitution of the regular lock implementations with the PREEMPT_RT variants without creating an unmaintainable #ifdef mess. - Shared base code for the PREEMPT_RT specific rw_semaphore and rwlock implementations. Contrary to the regular rw_semaphores and rwlocks the PREEMPT_RT implementation is writer unfair because it is infeasible to do priority inheritance on multiple readers. Experience over the years has shown that real-time workloads are not the typical workloads which are sensitive to writer starvation. The alternative solution would be to allow only a single reader which has been tried and discarded as it is a major bottleneck especially for mmap_sem. Aside of that many of the writer starvation critical usage sites have been converted to a writer side mutex/spinlock and RCU read side protections in the past decade so that the issue is less prominent than it used to be. - The actual rtmutex based lock substitutions for PREEMPT_RT enabled kernels which affect mutex, ww_mutex, rw_semaphore, spinlock_t and rwlock_t. The spin/rw_lock*() functions disable migration across the critical section to preserve the existing semantics vs. per CPU variables. - Rework of the futex REQUEUE_PI mechanism to handle the case of early wake-ups which interleave with a re-queue operation to prevent the situation that a task would be blocked on both the rtmutex associated to the outer futex and the rtmutex based hash bucket spinlock. While this situation cannot happen on !RT enabled kernels the changes make the underlying concurrency problems easier to understand in general. As a result the difference between !RT and RT kernels is reduced to the handling of waiting for the critical section. !RT kernels simply spin-wait as before and RT kernels utilize rcu_wait(). - The substitution of local_lock for PREEMPT_RT with a spinlock which protects the critical section while staying preemptible. The CPU locality is established by disabling migration. The underlying concepts of this code have been in use in PREEMPT_RT for way more than a decade. The code has been refactored several times over the years and this final incarnation has been optimized once again to be as non-intrusive as possible, i.e. the RT specific parts are mostly isolated. It has been extensively tested in the 5.14-rt patch series and it has been verified that !RT kernels are not affected by these changes. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmEsnuMTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoaeWD/wLNMoAZXslS0prfr64ANjRgLXIqMFA r6xgioiwxxaxbmZ/GNPraoLC//ENo6mwobuUovq8yKljv2oBu6AmlUkBwrmMBc8Q nnm7jjGM3bZ1REup7rWERnjdOZfdGVSL5CUAAfthyC744XmXaepwrrrqfXG22GxJ QwLXBTAwXFVDxKfUjDKzEo5zgLNHRvHbzc0DpTYYn6WcuDJOmlyWnhfDTu2mNG9Z rqjqy+OgOUEUprQDgitk5hedfeic2kPm1mxxZrXkpkuPef5be2inQq2siC7GxR4g 0AKeUsMFgFmSqiD4iJTALJ+8WXkgMnD9VgooeWHk4OaqZfaGzi/iwRSnrlnf7+OV GTmrsmX+TX/Wz2BDjB+3zylQnYqYh3quE5w4UO6uUyJXfdhlnvsjVc8bEajDFjeM yUapaWxdAri7k2n+vjXQthAngxtYPgXtFbZPoOl109JcDcG6jJsCdM5TdenegaRs WeUh05JqrH8+qI+Nwzc4rO+PmKHQ8on2wKdgLp11dviiPOf8OguH65nDQSGZ/fGv 7cnD9A1/MUd0sdrvc52AqkIYxh+Rp9GnCs1xA82JsTXgAPcXqAWjjR2JFPHL4neV eW2upZekl8lMR7hkfcQbhe4MVjQIjff3iFOkQXittxMzfzFdi0tly8xB8AzpTHOx h91MycvmMR2zRw== =IEqE -----END PGP SIGNATURE----- Merge tag 'locking-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking and atomics updates from Thomas Gleixner: "The regular pile: - A few improvements to the mutex code - Documentation updates for atomics to clarify the difference between cmpxchg() and try_cmpxchg() and to explain the forward progress expectations. - Simplification of the atomics fallback generator - The addition of arch_atomic_long*() variants and generic arch_*() bitops based on them. - Add the missing might_sleep() invocations to the down*() operations of semaphores. The PREEMPT_RT locking core: - Scheduler updates to support the state preserving mechanism for 'sleeping' spin- and rwlocks on RT. This mechanism is carefully preserving the state of the task when blocking on a 'sleeping' spin- or rwlock and takes regular wake-ups targeted at the same task into account. The preserved or updated (via a regular wakeup) state is restored when the lock has been acquired. - Restructuring of the rtmutex code so it can be utilized and extended for the RT specific lock variants. - Restructuring of the ww_mutex code to allow sharing of the ww_mutex specific functionality for rtmutex based ww_mutexes. - Header file disentangling to allow substitution of the regular lock implementations with the PREEMPT_RT variants without creating an unmaintainable #ifdef mess. - Shared base code for the PREEMPT_RT specific rw_semaphore and rwlock implementations. Contrary to the regular rw_semaphores and rwlocks the PREEMPT_RT implementation is writer unfair because it is infeasible to do priority inheritance on multiple readers. Experience over the years has shown that real-time workloads are not the typical workloads which are sensitive to writer starvation. The alternative solution would be to allow only a single reader which has been tried and discarded as it is a major bottleneck especially for mmap_sem. Aside of that many of the writer starvation critical usage sites have been converted to a writer side mutex/spinlock and RCU read side protections in the past decade so that the issue is less prominent than it used to be. - The actual rtmutex based lock substitutions for PREEMPT_RT enabled kernels which affect mutex, ww_mutex, rw_semaphore, spinlock_t and rwlock_t. The spin/rw_lock*() functions disable migration across the critical section to preserve the existing semantics vs per-CPU variables. - Rework of the futex REQUEUE_PI mechanism to handle the case of early wake-ups which interleave with a re-queue operation to prevent the situation that a task would be blocked on both the rtmutex associated to the outer futex and the rtmutex based hash bucket spinlock. While this situation cannot happen on !RT enabled kernels the changes make the underlying concurrency problems easier to understand in general. As a result the difference between !RT and RT kernels is reduced to the handling of waiting for the critical section. !RT kernels simply spin-wait as before and RT kernels utilize rcu_wait(). - The substitution of local_lock for PREEMPT_RT with a spinlock which protects the critical section while staying preemptible. The CPU locality is established by disabling migration. The underlying concepts of this code have been in use in PREEMPT_RT for way more than a decade. The code has been refactored several times over the years and this final incarnation has been optimized once again to be as non-intrusive as possible, i.e. the RT specific parts are mostly isolated. It has been extensively tested in the 5.14-rt patch series and it has been verified that !RT kernels are not affected by these changes" * tag 'locking-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (92 commits) locking/rtmutex: Return success on deadlock for ww_mutex waiters locking/rtmutex: Prevent spurious EDEADLK return caused by ww_mutexes locking/rtmutex: Dequeue waiter on ww_mutex deadlock locking/rtmutex: Dont dereference waiter lockless locking/semaphore: Add might_sleep() to down_*() family locking/ww_mutex: Initialize waiter.ww_ctx properly static_call: Update API documentation locking/local_lock: Add PREEMPT_RT support locking/spinlock/rt: Prepare for RT local_lock locking/rtmutex: Add adaptive spinwait mechanism locking/rtmutex: Implement equal priority lock stealing preempt: Adjust PREEMPT_LOCK_OFFSET for RT locking/rtmutex: Prevent lockdep false positive with PI futexes futex: Prevent requeue_pi() lock nesting issue on RT futex: Simplify handle_early_requeue_pi_wakeup() futex: Reorder sanity checks in futex_requeue() futex: Clarify comment in futex_requeue() futex: Restructure futex_requeue() futex: Correct the number of requeued waiters for PI futex: Remove bogus condition for requeue PI ... |
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e4c3562e1b |
A single commit for debugobjects to make them work on PREEMPT_RT by
preventing object pool refill in atomic contexts. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmEsnkMTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYocrMEAC/M+xzSIxS2fYXNY076PHDzKxm6Gjs sv/kdUbmKufUTq6GaJKfaGu2+l+ecOjiS6Ita27Wf2VEkHrpxVmoV1xj+nMCu/5E DUw5WcdcVkuWCpoZH2cDZ7PyySJL5iSWTfP2zLEsNegmZlo7Z09cIcXxRplLY3m9 q371MM2AW4MzsY/5DS/JAt1OknL28APRY4ZEqNMqXZoJVwcFXBmTyZJD8GN+b58m g+0KZshjvCGRl/XGjz3Hhxu7nZcsz32c719l29rUcSNRu3+8P73TWcOH0++9Aiks gKEJ3CICLR6HA/6a1YZdS1zYMJzetmpFWQSyPxVvYtI9piPKd9kaitRgue6HQ6S0 MSChr+iB/AlOaHfkZ9VKoYgy62qDPOhqiU/BvkaOsBTZt232V2pgyIPfeilEmU7O VX0Lx7CxkEowvfh1/INX49XvzOz9HHpdUYadeMLT54+DWpk6T9mQex66s1gYQam/ q3TuXjLUi1jA5qlrujzlDhZ4b6H9+2pqA+z33JQ4QRjLt2E/azzsHDw8lrRfJY/L ncYQGX0sf2vYGQKNFn3U+nBq4rcO6yx9wCdf5+hs5SKRPjFlwHFnloO6D1yBMu1s N5cIIgJXPi+8EH+glDqqFg1PuBLZZdN0EEaPp9oKg8dA7FLVoxYPEeGRCP00Xrb/ Csi314roQPew1g== =hYnD -----END PGP SIGNATURE----- Merge tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull debugobjects update from Thomas Gleixner: "A single commit for debugobjects to make them work on PREEMPT_RT by preventing object pool refill in atomic contexts" * tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: debugobjects: Make them PREEMPT_RT aware |
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44a7d44411 |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "Algorithms: - Add AES-NI/AVX/x86_64 implementation of SM4. Drivers: - Add Arm SMCCC TRNG based driver" [ And obviously a lot of random fixes and updates - Linus] * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits) crypto: sha512 - remove imaginary and mystifying clearing of variables crypto: aesni - xts_crypt() return if walk.nbytes is 0 padata: Remove repeated verbose license text crypto: ccp - Add support for new CCP/PSP device ID crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation crypto: x86/sm4 - export reusable AESNI/AVX functions crypto: rmd320 - remove rmd320 in Makefile crypto: skcipher - in_irq() cleanup crypto: hisilicon - check _PS0 and _PR0 method crypto: hisilicon - change parameter passing of debugfs function crypto: hisilicon - support runtime PM for accelerator device crypto: hisilicon - add runtime PM ops crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32' crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm crypto: tcrypt - Fix missing return value check crypto: hisilicon/sec - modify the hardware endian configuration crypto: hisilicon/sec - fix the abnormal exiting process crypto: qat - store vf.compatible flag crypto: qat - do not export adf_iov_putmsg() ... |
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4520dcbe0d |
power supply and reset changes for the v5.15 series
battery/charger related changes: - cros-peripheral-charger: new driver - mt6360-charger: new driver - simple-battery: support reading chemistry info - max17042-battery: add max77849 support - sbs-battery: add time_to_empty_now support - smb347-charger: prepare USB OTG support - rn5t618: add voltage_now support - axp288: cleanup & optimizations - max17042_battery: cleanups - ab8500: cleanups - misc minor cleanups and DT binding fixes reset related changes: - tps65086-restart: new driver - linkstation-poweroff: support NETGEAR ReadyNAS Duo v2 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmEmUVwACgkQ2O7X88g7 +poFbA//XimqwjO0MR7xqmm2905l78L3L1cNn7vRPzfdPbcf/kKPg8Jrx8kTn1EK wKdbP4ZQJOIyCLIFcI6oURUaNHh485KXj4DFvT13AsbkPw+2xUv0Ha5p8J698QAG RPmkTNHk+0M/K+/Z7/GPb6t0B7uQi3cg7/aIZeFo26FYpIP5XekoxP1xoLfE9lO2 aSrSbDh8oIjOLFPc4nuzm0x4Bcg/MpbUG1nhTBdP8OD8xjuMSmDUnbEvLgQYv4oP 9PLbi4jxm0VSfFhdECCSZ+x7CO0+wqxLXWCoOGlzDQ1Y2OYp9nG+Xgsj46HGh38c 11WER/16J7AfzUg1zqfu7NKDOKWad+TsTvQgXVK4GAxDOxpOS8Hz7GuP0/nnZBLx PoDAb7ZBtb6QXJDEvCDWoo+yMcZRaULbefQCgR/ys6bWoL+B6wdowxfV/daFGpmx fAMDGoSGrmYJhbPkcfAVJrN196zd5EQzbB6pyOfAPu3lJiDz+M/DyPNYwkljagAx JzSK80cwtXk07lgZZvC8Z3MJruN5pqqvWX/TA8l7dHpReoguCM3hAPUJ9pdVoIa7 haavL0UzLwya9C2sK9hcys8EBim5thkXI6GsnpRxiztkXZh0LtsUP9Dydt2srGA6 Hl4BD/g23W9+zmjkAIAvgMwbBoZ2/SHkD7l3ZqG2N2j6LrQxpwc= =UcdD -----END PGP SIGNATURE----- Merge tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: "Battery/charger related: - cros-peripheral-charger: new driver - mt6360-charger: new driver - simple-battery: support reading chemistry info - max17042-battery: add max77849 support - sbs-battery: add time_to_empty_now support - smb347-charger: prepare USB OTG support - rn5t618: add voltage_now support - axp288: cleanup & optimizations - max17042_battery: cleanups - ab8500: cleanups - misc minor cleanups and DT binding fixes reset related: - tps65086-restart: new driver - linkstation-poweroff: support NETGEAR ReadyNAS Duo v2" * tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (51 commits) power: supply: core: Fix parsing of battery chemistry/technology power: supply: max17042_battery: log SOC threshold using debug log level power: supply: max17042_battery: more robust chip type checks power: supply: max17042_battery: fix typo in MAx17042_TOFF power: supply: max17042_battery: clean up MAX17055_V_empty power: supply: smb347-charger: Implement USB VBUS regulator power: supply: smb347-charger: Add missing pin control activation power: supply: smb347-charger: Utilize generic regmap caching power: supply: smb347-charger: Make smb347_set_writable() IRQ-safe dt-bindings: power: supply: smb347-charger: Document USB VBUS regulator power: reset: Add TPS65086 restart driver dt-bindings: power: supply: max17042: describe interrupt power: supply: max17042: remove duplicated STATUS bit defines power: supply: max17042: handle fails of reading status register power: supply: core: Parse battery chemistry/technology dt-bindings: power: Extend battery bindings with chemistry power: reset: linkstation-poweroff: add new device power: reset: linkstation-poweroff: prepare for new devices power: supply: bq24735: reorganize ChargeOption command macros power: supply: rn5t618: Add voltage_now property ... |
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291d47ccad |
string: improve default out-of-line memcmp() implementation
This just does the "if the architecture does efficient unaligned handling, start the memcmp using 'unsigned long' accesses", since Nikolay Borisov found a load that cares. This is basically the minimal patch, and limited to architectures that are known to not have slow unaligned handling. We've had the stupid byte-at-a-time version forever, and nobody has ever even noticed before, so let's keep the fix minimal. A potential further improvement would be to align one of the sources in order to at least minimize unaligned cases, but the only real case of bigger memcmp() users seems to be the FIDEDUPERANGE ioctl(). As David Sterba says, the dedupe ioctl is typically called on ranges spanning many pages so the common case will all be page-aligned anyway. All the relevant architectures select HAVE_EFFICIENT_UNALIGNED_ACCESS, so I'm not going to worry about the combination of a very rare use-case and a rare architecture until somebody actually hits it. Particularly since Nikolay also tested the more complex patch with extra alignment handling code, and it only added overhead. Link: https://lore.kernel.org/lkml/20210721135926.602840-1-nborisov@suse.com/ Reported-by: Nikolay Borisov <nborisov@suse.com> Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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c985aafb60 | Merge branch 'rework/printk_safe-removal' into for-linus | ||
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71af75b692 | Merge branch 'for-5.15-printk-index' into for-linus | ||
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55b70eed81 |
parisc: Increase size of gcc stack frame check
parisc uses much bigger frames than other architectures, so increase the stack frame check value to avoid compiler warnings. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Abd-Alrhman Masalkhi <abd.masalkhi@gmail.com> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Helge Deller <deller@gmx.de> |
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68fdb64485 |
lib/logic_iomem: fix sparse warnings
A couple of sparse warnings happened here due to casts on
the prints, a missing static and a missing include. Fix
all of them.
Reported-by: kernel test robot <lkp@intel.com>
Fixes:
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