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65de0b89d7
68053 Commits
Author | SHA1 | Message | Date | |
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Linus Torvalds
|
65de0b89d7 |
fuse update for 5.11
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCX9tWUAAKCRDh3BK/laaZ PJ8CAP9RJLCxeG3388P9eLIWGXGrvtq3BIpxrZt57YsCQw5aXgEAmrL53WxDeLgG sDV2J9IQ8gFKkkG1hjXyJj+Tw/yPmQE= =zxR9 -----END PGP SIGNATURE----- Merge tag 'fuse-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Improve performance of virtio-fs in mixed read/write workloads - Try to revalidate cache before returning EEXIST on exclusive create - Add a couple of miscellaneous bug fixes as well as some code cleanups * tag 'fuse-update-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: fix bad inode fuse: support SB_NOSEC flag to improve write performance fuse: add a flag FUSE_OPEN_KILL_SUIDGID for open() request fuse: don't send ATTR_MODE to kill suid/sgid for handle_killpriv_v2 fuse: setattr should set FATTR_KILL_SUIDGID fuse: set FUSE_WRITE_KILL_SUIDGID in cached write path fuse: rename FUSE_WRITE_KILL_PRIV to FUSE_WRITE_KILL_SUIDGID fuse: introduce the notion of FUSE_HANDLE_KILLPRIV_V2 fuse: always revalidate if exclusive create virtiofs: clean up error handling in virtio_fs_get_tree() fuse: add fuse_sb_destroy() helper fuse: simplify get_fuse_conn*() fuse: get rid of fuse_mount refcount virtiofs: simplify sb setup virtiofs fix leak in setup fuse: launder page should wait for page writeback |
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Linus Torvalds
|
ff49c86f27 |
f2fs-for-5.11-rc1
In this round, we've made more work into per-file compression support. For example, F2FS_IOC_GET|SET_COMPRESS_OPTION provides a way to change the algorithm or cluster size per file. F2FS_IOC_COMPRESS|DECOMPRESS_FILE provides a way to compress and decompress the existing normal files manually along with a new mount option, compress_mode=fs|user, which can control who compresses the data. Chao also added a checksum feature with a mount option so that we are able to detect any corrupted cluster. In addition, Daniel contributed casefolding with encryption patch, which will be used for Android devices. Enhancement: - add ioctls and mount option to manage per-file compression feature - support casefolding with encryption - support checksum for compressed cluster - avoid IO starvation by replacing mutex with rwsem - add sysfs, max_io_bytes, to control max bio size Bug fix: - fix use-after-free issue when compression and fsverity are enabled - fix consistency corruption during fault injection test - fix data offset for lseek - get rid of buffer_head which has 32bits limit in fiemap - fix some bugs in multi-partitions support - fix nat entry count calculation in shrinker - fix some stat information And, we've refactored some logics and fix minor bugs as well. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAl/a8ywACgkQQBSofoJI UNLa2RAAjK+6tOs+NuYx2w9SegghKxwCg4Mb362BMdaAGx6GzMqAkCiVdujuoz/r +wy8sdqO9QE7723ZDNsebNMLRnkNPHnpneSL2p6OsSLJrD3ORTELVRrzNlkemvnK rRHZyYnNJvQQnD4uU7ABvROKsIDw/nCfcFvzHmLIgEw8EHO0W4n6fTtBdTwXv1qi N3qXhGuQldonR9XICuGjzj7wh17n9ua6Mr12XX3Ok38giMcZb9KFBwgvlhl35cxt htEmUpxWD3NTSw6zJmV4VAiajpiIkW6QRQuVA1nzdLZK644gaJMhM1EUsOnZhfDl wX0ZtKoNkXxb0glD34O3aYqeHJ3tHWgPmmpVm9TECJP9A/X7kmEHgQYpH/eJ9I7d tk51Uz28Mz1RShXU4i5RyKZeeoNTLiVlqiC95E2cnq4C1tLOJyI00N9AinrLzvR+ fqUrAwCrBpiYX63mWKYwq7GWxWwp4+PY09kyIZxxJiWhTE/St0bRx2bQL8zA8C6J Rtxl+QWyQhkFbNu8fAukLFAhC6mqX/FKpXvUqRehBnHRvMWBiVZG0//eOPQLk71u qsdCgYuEVcg3itDQrZvmsjxi4Pb5E9mNr0s5oC4I2WvBPMheD4esSyG7cKDN0qfS 3FFHlRYLOvnjPMLnKTmZXjFvFyHR8mwsD4Z83MeSrqYnWC14tFY= =KneU -----END PGP SIGNATURE----- Merge tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this round, we've made more work into per-file compression support. For example, F2FS_IOC_GET | SET_COMPRESS_OPTION provides a way to change the algorithm or cluster size per file. F2FS_IOC_COMPRESS | DECOMPRESS_FILE provides a way to compress and decompress the existing normal files manually. There is also a new mount option, compress_mode=fs|user, which can control who compresses the data. Chao also added a checksum feature with a mount option so that we are able to detect any corrupted cluster. In addition, Daniel contributed casefolding with encryption patch, which will be used for Android devices. Summary: Enhancements: - add ioctls and mount option to manage per-file compression feature - support casefolding with encryption - support checksum for compressed cluster - avoid IO starvation by replacing mutex with rwsem - add sysfs, max_io_bytes, to control max bio size Bug fixes: - fix use-after-free issue when compression and fsverity are enabled - fix consistency corruption during fault injection test - fix data offset for lseek - get rid of buffer_head which has 32bits limit in fiemap - fix some bugs in multi-partitions support - fix nat entry count calculation in shrinker - fix some stat information And, we've refactored some logics and fix minor bugs as well" * tag 'f2fs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (36 commits) f2fs: compress: fix compression chksum f2fs: fix shift-out-of-bounds in sanity_check_raw_super() f2fs: fix race of pending_pages in decompression f2fs: fix to account inline xattr correctly during recovery f2fs: inline: fix wrong inline inode stat f2fs: inline: correct comment in f2fs_recover_inline_data f2fs: don't check PAGE_SIZE again in sanity_check_raw_super() f2fs: convert to F2FS_*_INO macro f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size f2fs: don't allow any writes on readonly mount f2fs: avoid race condition for shrinker count f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE f2fs: add compress_mode mount option f2fs: Remove unnecessary unlikely() f2fs: init dirty_secmap incorrectly f2fs: remove buffer_head which has 32bits limit f2fs: fix wrong block count instead of bytes f2fs: use new conversion functions between blks and bytes f2fs: rename logical_to_blk and blk_to_logical f2fs: fix kbytes written stat for multi-device case ... |
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Linus Torvalds
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b97d4c424e |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAl/bPtUACgkQnJ2qBz9k QNkMAgf9EpCGLmglunFMge4vQVnsHtjOS9/yy2mQGxy2q1rVc40OtSoRouDH2AoD aehKE144q1OyH05jnRcUydhMFABMzyDXULGmX4kKflcaV13j7M4bXVY454mlc/D0 kXAjKAB5j7yJySr6s+B6dhUr78y+BlCnofZZiI98TgVzNPFc3Ip075B4LOaWX1GN zKkvMrdOj0ESpjR6+Uvw7c/SRB+7nRSK+uASZC0oM6YPMNXm4dlHA0n1N3/8QFOb cz0pf0WH9XwKpDXNRH0jcFfkCajHp8gCjNbEWTGWnqpkpe3lWcvvhl5zqr+7EybU BYuM07QNe70FkMH1DONpgrCgEdczmQ== =k1fg -----END PGP SIGNATURE----- Merge tag 'for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull ext2, reiserfs, quota and writeback updates from Jan Kara: - a couple of quota fixes (mostly for problems found by syzbot) - several ext2 cleanups - one fix for reiserfs crash on corrupted image - a fix for spurious warning in writeback code * tag 'for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: writeback: don't warn on an unregistered BDI in __mark_inode_dirty fs: quota: fix array-index-out-of-bounds bug by passing correct argument to vfs_cleanup_quota_inode() reiserfs: add check for an invalid ih_entry_count ext2: Fix fall-through warnings for Clang fs/ext2: Use ext2_put_page docs: filesystems: Reduce ext2.rst to one top-level heading quota: Sanity-check quota file headers on load quota: Don't overflow quota file offsets ext2: Remove unnecessary blank fs/quota: update quota state flags scheme with project quota flags |
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Linus Torvalds
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14bd41e418 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAl/bPRMACgkQnJ2qBz9k QNmktwf7BE+H0PEgm3VfEs8uKUnmgr/TTBd9rhuKVa8NeYrT1YlX2ocCykawaLSW ppyXkr2rWKwvRO5P9hZPUsMbjvp7ucz14imBHlhiQpPyfh8cqMazPJLySqbAI/M+ Eo8WIl74EqQ4VIgCGgfIVD073yjA4FWvO+5/CITYR44Pc2WzyCdU/1oKGBrs4+Cg OZAsHvg+2uKiEVeaBwbII+X/jChCJwEfHEYry3A8oRL427HrDir7Jc9i3SNGTDnc SE6DPj9X5HWOfoXjVrMratnaz654isvdRdP6GRAFKX8rJlNPGLMZbQ3DTzLGTYKL 7r9KylGD5nCkL1SXjUOLCqHgVRrgpg== =xcC/ -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fsnotify updates from Jan Kara: "A few fsnotify fixes from Amir fixing fallout from big fsnotify overhaul a few months back and an improvement of defaults limiting maximum number of inotify watches from Waiman" * tag 'fsnotify_for_v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fsnotify: fix events reported to watching parent and child inotify: convert to handle_inode_event() interface fsnotify: generalize handle_inode_event() inotify: Increase default inotify.max_user_watches limit to 1048576 |
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Linus Torvalds
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ac7ac4618c |
for-5.11/block-2020-12-14
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Linus Torvalds
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48aba79bcf |
for-5.11/io_uring-2020-12-14
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Linus Torvalds
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005b2a9dc8 |
tif-task_work.arch-2020-12-14
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Linus Torvalds
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5ee863bec7 |
Merge branch 'parisc-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller: "A change to increase the default maximum stack size on parisc to 100MB and the ability to further increase the stack hard limit size at runtime with ulimit for newly started processes. The other patches fix compile warnings, utilize the Kbuild logic and cleanups the parisc arch code" * 'parisc-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: pci-dma: fix warning unused-function parisc/uapi: Use Kbuild logic to provide <asm/types.h> parisc: Make user stack size configurable parisc: Use _TIF_USER_WORK_MASK in entry.S parisc: Drop loops_per_jiffy from per_cpu struct |
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Linus Torvalds
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e994cc240a |
seccomp updates for v5.11-rc1
- Improve seccomp performance via constant-action bitmaps (YiFei Zhu & Kees Cook) - Fix bogus __user annotations (Jann Horn) - Add missed CONFIG for improved selftest coverage (Mickaël Salaün) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAl/ZG5IACgkQiXL039xt wCbhuw/+P77jwT/p1DRnKp5vG7TXTqqXrdhQZYNyBUxRaKSGCEMydvJn/h3KscyW 4eEy9vZKTAhIQg5oI5OXZ9jxzFdpxEg8lMPSKReNEga3d0//H9gOJHYc782D/bf1 +6x6I4qWv+LMM/52P60gznBH+3WFVtyM5Jw+LF5igOCEVSERoZ3ChsmdSZgkALG0 DJXKL+Dy1Wj9ESeBtuh1UsKoh4ADTAoPC+LvfGuxn2T+VtnxX/sOSDkkrpHfX+2J UKkIgWJHeNmq74nwWjpNuDz24ARTiVWOVQX01nOHRohtu39TZcpU774Pdp4Dsj2W oDDwOzIWp4/27aQxkOKv6NXMwd29XbrpH1gweyuvQh9cohSbzx6qZlXujqyd9izs 6Nh74mvC3cns6sQWSWz5ddU4dMQ4rNjpD2CK1P8A7ZVTfH+5baaPmF8CRp126E6f /MAUk7Rfbe6YfYdfMwhXXhTvus0e5yenGFXr46gasJDfGnyy4cLS/MO7AZ+mR0CB d9DnrsIJVggL5cZ2LZmivIng18JWnbkgnenmHSXahdLstmYVkdpo4ckBl1G/dXK0 lDmi9j9FoTxB6OrztEKA0RZB+C1e6q7X7euwsHjgF9XKgD5S+DdeYwqd2lypjyvb d9VNLFdngD0CRY7wcJZKRma+yPemlPNurdMjF9LrqaAu232G1UA= =jJwG -----END PGP SIGNATURE----- Merge tag 'seccomp-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp updates from Kees Cook: "The major change here is finally gaining seccomp constant-action bitmaps, which internally reduces the seccomp overhead for many real-world syscall filters to O(1), as discussed at Plumbers this year. - Improve seccomp performance via constant-action bitmaps (YiFei Zhu & Kees Cook) - Fix bogus __user annotations (Jann Horn) - Add missed CONFIG for improved selftest coverage (Mickaël Salaün)" * tag 'seccomp-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests/seccomp: Update kernel config seccomp: Remove bogus __user annotations seccomp/cache: Report cache data through /proc/pid/seccomp_cache xtensa: Enable seccomp architecture tracking sh: Enable seccomp architecture tracking s390: Enable seccomp architecture tracking riscv: Enable seccomp architecture tracking powerpc: Enable seccomp architecture tracking parisc: Enable seccomp architecture tracking csky: Enable seccomp architecture tracking arm: Enable seccomp architecture tracking arm64: Enable seccomp architecture tracking selftests/seccomp: Compare bitmap vs filter overhead x86: Enable seccomp architecture tracking seccomp/cache: Add "emulator" to check if filter is constant allow seccomp/cache: Lookup syscall allowlist bitmap for fast path |
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Linus Torvalds
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ba1d41a55e |
pstore updates for v5.11-rc1
- Clean up unused but exposed API (Christoph Hellwig) - Provide KCONFIG for default size of kmsg buffer (Vasile-Laurentiu Stanimir) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAl/ZGkcACgkQiXL039xt wCYNARAAsKPjvbUboWV7+77TgpK70F0yAxgDOSvaWx0jVGAZl/PR/Flq0/aXFw8d 5KrvfqHsM9cvAVU1useFFbHlt31VvvL9Aws3sbuHMOr4Frw3ENjfj1hc/VmwY7Oc dBg73WF2IBgQW60JldO2qUzfJuGLTFDwfe8Ba3r906OpVbA1ibMt+lE1C5cdhZFE iAhP2FqHpJAPpSEPyHqGpMDfqHx3Ercvmjcq+HX6P+9u+tKMderlYimMhOos0Px3 v0k8hAUyy+FXy9VNueJ4ljMhUQyiJ2YWba5vqqAlYoCy+rLmaGqbR5yg5lefjpQ9 Ht7c20Lp9d/OMr8W2b89mHd1YCLh910CPeu21NVMQYB/MeOqwnkl34aSwgX/kMgn 4Pdsq4gdrsIlyrloqiePibF+eLpEaEbF4IzQarekJ6Y4D7XlPeUS+RlJ/2BS6cfy 1UXF+S8LjGW7Drh8a6Kqx/sZy9iM6gpR91YLFpOB4tJarKGh6s8A1UKJRqVj7Rp/ LaDuyYKxAlGvUrYX2LsAptkRrC+6U7QU2xUzAKKGcwXIwBMlr6stk5QFbdOJcW9T wUvPx1MCqu0ZtA/L7da6Gj3N/ApcxdT0lPrm/l7meWSM/farxbiyNKczKuTt74Uz nMFEwJ+gFoeyM73EUcMThIj1ZhdznuyEG2MtmhuhqH/+0IK17wI= =3Lhs -----END PGP SIGNATURE----- Merge tag 'pstore-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore updates from Kees Cook: - Clean up unused but exposed API (Christoph Hellwig) - Provide KCONFIG for default size of kmsg buffer (Vasile-Laurentiu Stanimir) * tag 'pstore-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: Move kmsg_bytes default into Kconfig pstore/blk: remove {un,}register_pstore_blk pstore/blk: update the command line example pstore/zone: cap the maximum device size |
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Christoph Hellwig
|
f738717033 |
writeback: don't warn on an unregistered BDI in __mark_inode_dirty
BDIs get unregistered during device removal, and this WARN can be trivially triggered by hot-removing a NVMe device while running fsx It is otherwise harmless as we still hold a BDI reference, and the writeback has been shut down already. Link: https://lore.kernel.org/r/20200928122613.434820-1-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jan Kara <jack@suse.cz> |
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Linus Torvalds
|
706451d47b |
linux-kselftest-kunit-5.11-rc1
This kunit update for Linux 5.11-rc1 consists of: -- documentation update and fix to kunit_tool to parse diagnostic messages correctly from David Gow -- Support for Parameterized Testing and fs/ext4 test updates to use KUnit parameterized testing feature from Arpitha Raghunandan -- Helper to derive file names depending on --build_dir argument from Andy Shevchenko -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl/ZJK8ACgkQCwJExA0N QxxICA//RdZlggFjtKCPS9uW7W/at5P0bvwAlL7/paXf+2lKRX7R6sFToApcGCO7 uUffafV2rE1/JPugm7HNBmCDiJvG1A2+Mp5/UKya7ffMRjL0++3AHjQNlKusXU97 LiqdTy57zhiZ7ZwVtGwSlozStvt8sDzAXMBZ0jPnLHxMEHqR4V7L17SokKsyT7FP 9/woDzrEqf3Npj+RHpcL50lGMfBgTgzc1eH8xqYEnQ9vV1BrMn43ReIE0vGDuQzN EqAcB9iSi8xCqJHFfxqeYbXdFmdyq7gMO0T8BU6NjYJeAh9DJK/BOOw+9J0mSpGs 9FgMlTLN0dJ6x5geFNhAf3IbzTULZS3Impmjre5a/VuIO29W8GcTPOWoxSfDhqjG 7aD/6Z3qV6oJVjYmK5gec6SY0spsK6f5VTZ7G4oEc5JoyL9r9uc/kdg/V/x03q6K RvanZJNA+r30A5l229T8RpTgkJ+jyRklVH46AZFJSFcucGi0wS109cpr5YVWUAcl jEpqSkWxcssK2/qI8nCqIiQ0XBFP33wt+ECQf+4IO9TMNqQXpnNkl7DtqQ3Yi/R9 /zoQ2ojIziTiQ24gfcF5vFDNPrTTBFOwObDQj939YGreks0zsDxahtgbVln332cm TAnc+fFFtKEgpTLQAWjdSWOLvtLxLvwtItiKKReEQi2Pz6MV6js= =jqjK -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-kunit-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kunit updates from Shuah Khan: - documentation update and fix to kunit_tool to parse diagnostic messages correctly from David Gow - Support for Parameterized Testing and fs/ext4 test updates to use KUnit parameterized testing feature from Arpitha Raghunandan - Helper to derive file names depending on --build_dir argument from Andy Shevchenko * tag 'linux-kselftest-kunit-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature kunit: Support for Parameterized Testing kunit: kunit_tool: Correctly parse diagnostic messages Documentation: kunit: provide guidance for testing many inputs kunit: Introduce get_file_path() helper |
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Linus Torvalds
|
f986e35083 |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: - lots of little subsystems - a few post-linux-next MM material. Most of the rest awaits more merging of other trees. Subsystems affected by this series: alpha, procfs, misc, core-kernel, bitmap, lib, lz4, checkpatch, nilfs, kdump, rapidio, gcov, bfs, relay, resource, ubsan, reboot, fault-injection, lzo, apparmor, and mm (swap, memory-hotplug, pagemap, cleanups, and gup). * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (86 commits) mm: fix some spelling mistakes in comments mm: simplify follow_pte{,pmd} mm: unexport follow_pte_pmd apparmor: remove duplicate macro list_entry_is_head() lib/lzo/lzo1x_compress.c: make lzogeneric1x_1_compress() static fault-injection: handle EI_ETYPE_TRUE reboot: hide from sysfs not applicable settings reboot: allow to override reboot type if quirks are found reboot: remove cf9_safe from allowed types and rename cf9_force reboot: allow to specify reboot mode via sysfs reboot: refactor and comment the cpu selection code lib/ubsan.c: mark type_check_kinds with static keyword kcov: don't instrument with UBSAN ubsan: expand tests and reporting ubsan: remove UBSAN_MISC in favor of individual options ubsan: enable for all*config builds ubsan: disable UBSAN_TRAP for all*config ubsan: disable object-size sanitizer under GCC ubsan: move cc-option tests into Kconfig ubsan: remove redundant -Wno-maybe-uninitialized ... |
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Christoph Hellwig
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ff5c19ed4b |
mm: simplify follow_pte{,pmd}
Merge __follow_pte_pmd, follow_pte_pmd and follow_pte into a single follow_pte function and just pass two additional NULL arguments for the two previous follow_pte callers. [sfr@canb.auug.org.au: merge fix for "s390/pci: remove races against pte updates"] Link: https://lkml.kernel.org/r/20201111221254.7f6a3658@canb.auug.org.au Link: https://lkml.kernel.org/r/20201029101432.47011-3-hch@lst.de Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Randy Dunlap
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dc889b8d4a |
bfs: don't use WARNING: string when it's just info.
Make the printk() [bfs "printf" macro] seem less severe by changing "WARNING:" to "NOTE:". <asm-generic/bug.h> warns us about using WARNING or BUG in a format string other than in WARN() or BUG() family macros. bfs/inode.c is doing just that in a normal printk() call, so change the "WARNING" string to be "NOTE". Link: https://lkml.kernel.org/r/20201203212634.17278-1-rdunlap@infradead.org Reported-by: syzbot+3fd34060f26e766536ff@syzkaller.appspotmail.com Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: "Tigran A. Aivazian" <aivazian.tigran@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Alex Shi
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e7920b3e9d |
fs/nilfs2: remove some unused macros to tame gcc
There some macros are unused and cause gcc warning. Remove them. fs/nilfs2/segment.c:137:0: warning: macro "nilfs_cnt32_gt" is not used [-Wunused-macros] fs/nilfs2/segment.c:144:0: warning: macro "nilfs_cnt32_le" is not used [-Wunused-macros] fs/nilfs2/segment.c:143:0: warning: macro "nilfs_cnt32_lt" is not used [-Wunused-macros] Link: https://lkml.kernel.org/r/1607552733-24292-1-git-send-email-konishi.ryusuke@gmail.com Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com> Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Andy Shevchenko
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aa6159ab99 |
kernel.h: split out mathematical helpers
kernel.h is being used as a dump for all kinds of stuff for a long time. Here is the attempt to start cleaning it up by splitting out mathematical helpers. At the same time convert users in header and lib folder to use new header. Though for time being include new header back to kernel.h to avoid twisted indirected includes for existing users. [sfr@canb.auug.org.au: fix powerpc build] Link: https://lkml.kernel.org/r/20201029150809.13059608@canb.auug.org.au Link: https://lkml.kernel.org/r/20201028173212.41768-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: Jeff Layton <jlayton@kernel.org> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Hui Su
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a9389683fa |
fs/proc: make pde_get() return nothing
We don't need pde_get()'s return value, so make pde_get() return nothing Link: https://lkml.kernel.org/r/20201211061944.GA2387571@rlk Signed-off-by: Hui Su <sh_def@163.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Alexey Dobriyan
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c6c75deda8 |
proc: fix lookup in /proc/net subdirectories after setns(2)
Commit |
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Anand K Mistry
|
fe71988834 |
proc: provide details on indirect branch speculation
Similar to speculation store bypass, show information about the indirect branch speculation mode of a task in /proc/$pid/status. For testing/benchmarking, I needed to see whether IB (Indirect Branch) speculation (see Spectre-v2) is enabled on a task, to see whether an IBPB instruction should be executed on an address space switch. Unfortunately, this information isn't available anywhere else and currently the only way to get it is to hack the kernel to expose it (like this change). It also helped expose a bug with conditional IB speculation on certain CPUs. Another place this could be useful is to audit the system when using sanboxing. With this change, I can confirm that seccomp-enabled process have IB speculation force disabled as expected when the kernel command line parameter `spectre_v2_user=seccomp`. Since there's already a 'Speculation_Store_Bypass' field, I used that as precedent for adding this one. [amistry@google.com: remove underscores from field name to workaround documentation issue] Link: https://lkml.kernel.org/r/20201106131015.v2.1.I7782b0cedb705384a634cfd8898eb7523562da99@changeid Link: https://lkml.kernel.org/r/20201030172731.1.I7782b0cedb705384a634cfd8898eb7523562da99@changeid Signed-off-by: Anand K Mistry <amistry@google.com> Cc: Anthony Steinhauser <asteinhauser@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Anand K Mistry <amistry@google.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Alexey Gladkov <gladkov.alexey@gmail.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kees Cook <keescook@chromium.org> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: NeilBrown <neilb@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Randy Dunlap
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d2928e8550 |
procfs: delete duplicated words + other fixes
Delete repeated words in fs/proc/. {the, which} where "which which" was changed to "with which". Link: https://lkml.kernel.org/r/20201028191525.13413-1-rdunlap@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
d01e7f10da |
Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull exec-update-lock update from Eric Biederman: "The key point of this is to transform exec_update_mutex into a rw_semaphore so readers can be separated from writers. This makes it easier to understand what the holders of the lock are doing, and makes it harder to contend or deadlock on the lock. The real deadlock fix wound up in perf_event_open" * 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: exec: Transform exec_update_mutex into a rw_semaphore |
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Linus Torvalds
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faf145d6f3 |
Merge branch 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull execve updates from Eric Biederman: "This set of changes ultimately fixes the interaction of posix file lock and exec. Fundamentally most of the change is just moving where unshare_files is called during exec, and tweaking the users of files_struct so that the count of files_struct is not unnecessarily played with. Along the way fcheck and related helpers were renamed to more accurately reflect what they do. There were also many other small changes that fell out, as this is the first time in a long time much of this code has been touched. Benchmarks haven't turned up any practical issues but Al Viro has observed a possibility for a lot of pounding on task_lock. So I have some changes in progress to convert put_files_struct to always rcu free files_struct. That wasn't ready for the merge window so that will have to wait until next time" * 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (27 commits) exec: Move io_uring_task_cancel after the point of no return coredump: Document coredump code exclusively used by cell spufs file: Remove get_files_struct file: Rename __close_fd_get_file close_fd_get_file file: Replace ksys_close with close_fd file: Rename __close_fd to close_fd and remove the files parameter file: Merge __alloc_fd into alloc_fd file: In f_dupfd read RLIMIT_NOFILE once. file: Merge __fd_install into fd_install proc/fd: In fdinfo seq_show don't use get_files_struct bpf/task_iter: In task_file_seq_get_next use task_lookup_next_fd_rcu proc/fd: In proc_readfd_common use task_lookup_next_fd_rcu file: Implement task_lookup_next_fd_rcu kcmp: In get_file_raw_ptr use task_lookup_fd_rcu proc/fd: In tid_fd_mode use task_lookup_fd_rcu file: Implement task_lookup_fd_rcu file: Rename fcheck lookup_fd_rcu file: Replace fcheck_files with files_lookup_fd_rcu file: Factor files_lookup_fd_locked out of fcheck_files file: Rename __fcheck_files to files_lookup_fd_raw ... |
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Linus Torvalds
|
345d4ab5e0 |
close-range-openat2-v5.11
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCX9dpfgAKCRCRxhvAZXjc oo5kAP9PrqQAfEe9+CNlnOb4ZawcZaa3osUkr/ZkfoxI/dO2awEAgGCgWQ5PLtQF gtfz6I5IT2sc3G4D+nGZxef6Q29J2Qc= =fZNu -----END PGP SIGNATURE----- Merge tag 'close-range-openat2-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux Pull close_range/openat2 updates from Christian Brauner: "This contains a fix for openat2() to make RESOLVE_BENEATH and RESOLVE_IN_ROOT mutually exclusive. It doesn't make sense to specify both at the same time. The openat2() selftests have been extended to verify that these two flags can't be specified together. This also adds the CLOSE_RANGE_CLOEXEC flag to close_range() which allows to mark a range of file descriptors as close-on-exec without actually closing them. This is useful in general but the use-case that triggered the patch is installing a seccomp profile in the calling task before exec. If the seccomp profile wants to block the close_range() syscall it obviously can't use it to close all fds before exec. If it calls close_range() before installing the seccomp profile it needs to take care not to close fds that it will still need before the exec meaning it would have to call close_range() multiple times on different ranges and then still fall back to closing fds one by one right before the exec. CLOSE_RANGE_CLOEXEC allows to solve this problem relying on the exec codepath to get rid of the unwanted fds. The close_range() tests have been expanded to verify that CLOSE_RANGE_CLOEXEC works" * tag 'close-range-openat2-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: selftests: core: add tests for CLOSE_RANGE_CLOEXEC fs, close_range: add flag CLOSE_RANGE_CLOEXEC selftests: openat2: add RESOLVE_ conflict test openat2: reject RESOLVE_BENEATH|RESOLVE_IN_ROOT |
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Linus Torvalds
|
1a825a6a0e |
Merge branch 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull epoll updates from Al Viro: "Deal with epoll loop check/removal races sanely (among other things). The solution merged last cycle (pinning a bunch of struct file instances) had been forced by the wrong data structures; untangling that takes a bunch of preparations, but it's worth doing - control flow in there is ridiculously overcomplicated. Memory footprint has also gone down, while we are at it. This is not all I want to do in the area, but since I didn't get around to posting the followups they'll have to wait for the next cycle" * 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (27 commits) epoll: take epitem list out of struct file epoll: massage the check list insertion lift rcu_read_lock() into reverse_path_check() convert ->f_ep_links/->fllink to hlist ep_insert(): move creation of wakeup source past the fl_ep_links insertion fold ep_read_events_proc() into the only caller take the common part of ep_eventpoll_poll() and ep_item_poll() into helper ep_insert(): we only need tep->mtx around the insertion itself ep_insert(): don't open-code ep_remove() on failure exits lift locking/unlocking ep->mtx out of ep_{start,done}_scan() ep_send_events_proc(): fold into the caller lift the calls of ep_send_events_proc() into the callers lift the calls of ep_read_events_proc() into the callers ep_scan_ready_list(): prepare to splitup ep_loop_check_proc(): saner calling conventions get rid of ep_push_nested() ep_loop_check_proc(): lift pushing the cookie into callers clean reverse_path_check_proc() a bit reverse_path_check_proc(): don't bother with cookies reverse_path_check_proc(): sane arguments ... |
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Linus Torvalds
|
e88bd82698 |
Changes since last update:
- get rid of magical page->mapping type marks; - switch to inplace I/O under low memory scenario; - return the correct block number for bmap(); - some minor cleanups. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQThPAmQN9sSA0DVxtI5NzHcH7XmBAUCX9iA5xUcaHNpYW5na2Fv QHJlZGhhdC5jb20ACgkQOTcx3B+15gT+gAD+N8HcFqJk0vgLih5ud1TmM9tWlYY0 7UYQnvRn6OuXDEUA+waXg+zutWVzHBP6cnVHGmcZVp3elsZB1U05sg2TIKkP =m8At -----END PGP SIGNATURE----- Merge tag 'erofs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "This cycle we got rid of magical page->mapping type marks for temporary pages which had some concern before, now such usage is replaced with specific page->private. Also switch to inplace I/O instead of allocating extra cached pages to avoid direct reclaim under low memory scenario. There are some bmap bugfix and minor cleanups as well" * tag 'erofs-for-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: avoid using generic_block_bmap erofs: force inplace I/O under low memory scenario erofs: simplify try_to_claim_pcluster() erofs: insert to managed cache after adding to pcl erofs: get rid of magical Z_EROFS_MAPPING_STAGING erofs: remove a void EROFS_VERSION macro set in Makefile |
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Linus Torvalds
|
1a50ede2b3 |
Highlights:
- Improve support for re-exporting NFS mounts - Replace NFSv4 XDR decoding C macros with xdr_stream helpers - Support for multiple RPC/RDMA chunks per RPC transaction -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAl/Q4dIACgkQM2qzM29m f5fInw//eDrmXBEhxbzcgeqNilGU5Qkn4INJtAcOGwPcw5Kjp4UVNGFpZNPqIDSf FP0Yw0d/rW7UggwCviPcs/adLTasU9skq1jgAv8d0ig4DtPbeqFo6BvbY+G2JxVF EfTeHzr6w6er8HRqyuLN4hjm1rQIpQlDHaYU4QcMs4fjPVv88eYLiwnYGYf3X46i vBYstu1IRxHhg2x4O833xmiL6VbkZDQoWwDjGICylxUBcNUtAmq/sETjTa4JVEJj 4vgXdcJmAFjNgAOrmoR3DISsr9mvCvKN9g3C0+hHiRERTGEon//HzvscWH74wT48 o0LUW0ZWgpmunTcmiSNeeiHNsUXJyy3A/xyEdteqqnvSxulxlqkQzb15Eb+92+6n BHGT/sOz1zz+/l9NCpdeEl5AkSA9plV8Iqd/kzwFwe1KwHMjldeMw/mhMut8EM2j b54EMsp40ipITAwBHvcygCXiWAn/mPex6bCr17Dijo6MsNLsyd+cDsazntbNzwz3 RMGMf2TPOi8tWswrTUS9J5xKk5LAEWX/6Z/hTA1YlsB3PfrhXO97ztrytxvoO/bp M0NREA+NNMn/JyyL8FT3ID5peaLVHhA1GHw9CcUw3C7OVzmsEg29D4zNo02dF1TC LIyekp0kbSGGY1jLOeMLsa6Jr+2+40CcctsooVkRA+3rN0tJQvw= =1uP3 -----END PGP SIGNATURE----- Merge tag 'nfsd-5.11' of git://git.linux-nfs.org/projects/cel/cel-2.6 Pull nfsd updates from Chuck Lever: "Several substantial changes this time around: - Previously, exporting an NFS mount via NFSD was considered to be an unsupported feature. With v5.11, the community has attempted to make re-exporting a first-class feature of NFSD. This would enable the Linux in-kernel NFS server to be used as an intermediate cache for a remotely-located primary NFS server, for example, even with other NFS server implementations, like a NetApp filer, as the primary. - A short series of patches brings support for multiple RPC/RDMA data chunks per RPC transaction to the Linux NFS server's RPC/RDMA transport implementation. This is a part of the RPC/RDMA spec that the other premiere NFS/RDMA implementation (Solaris) has had for a very long time, and completes the implementation of RPC/RDMA version 1 in the Linux kernel's NFS server. - Long ago, NFSv4 support was introduced to NFSD using a series of C macros that hid dprintk's and goto's. Over time, the kernel's XDR implementation has been greatly improved, but these C macros have remained and become fallow. A series of patches in this pull request completely replaces those macros with the use of current kernel XDR infrastructure. Benefits include: - More robust input sanitization in NFSD's NFSv4 XDR decoders. - Make it easier to use common kernel library functions that use XDR stream APIs (for example, GSS-API). - Align the structure of the source code with the RFCs so it is easier to learn, verify, and maintain our XDR implementation. - Removal of more than a hundred hidden dprintk() call sites. - Removal of some explicit manipulation of pages to help make the eventual transition to xdr->bvec smoother. - On top of several related fixes in 5.10-rc, there are a few more fixes to get the Linux NFSD implementation of NFSv4.2 inter-server copy up to speed. And as usual, there is a pinch of seasoning in the form of a collection of unrelated minor bug fixes and clean-ups. Many thanks to all who contributed this time around!" * tag 'nfsd-5.11' of git://git.linux-nfs.org/projects/cel/cel-2.6: (131 commits) nfsd: Record NFSv4 pre/post-op attributes as non-atomic nfsd: Set PF_LOCAL_THROTTLE on local filesystems only nfsd: Fix up nfsd to ensure that timeout errors don't result in ESTALE exportfs: Add a function to return the raw output from fh_to_dentry() nfsd: close cached files prior to a REMOVE or RENAME that would replace target nfsd: allow filesystems to opt out of subtree checking nfsd: add a new EXPORT_OP_NOWCC flag to struct export_operations Revert "nfsd4: support change_attr_type attribute" nfsd4: don't query change attribute in v2/v3 case nfsd: minor nfsd4_change_attribute cleanup nfsd: simplify nfsd4_change_info nfsd: only call inode_query_iversion in the I_VERSION case nfs_common: need lock during iterate through the list NFSD: Fix 5 seconds delay when doing inter server copy NFSD: Fix sparse warning in nfs4proc.c SUNRPC: Remove XDRBUF_SPARSE_PAGES flag in gss_proxy upcall sunrpc: clean-up cache downcall nfsd: Fix message level for normal termination NFSD: Remove macros that are no longer used NFSD: Replace READ* macros in nfsd4_decode_compound() ... |
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Linus Torvalds
|
9867cb1fd5 |
A few jfs fixes
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Linus Torvalds
|
8a7a4301dd |
dlm for 5.11
This set includes more low level communication layer cleanups. The main change is the listening socket is no longer handled as a special case of node connection sockets. There is one small fix for checking the number of local connections. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJf16V5AAoJEDgbc8f8gGmq3Q0P/1dkBfle74X26xyACzKlb4iS s/1wN1s0eMcxv2gRwWsw1q30OuNKkvZhVaI2a5djx8KimrR3Xizy6jcnopLrlna9 NHL9chLu1NbBI98ad8UugYciwukyRBI0ZgE5hMuef1LeLXlSFWWu8VTv92ejXTxf O2B7/oJuFAjQtWGysOVKNOJLoUIKKmQngyRVfMuhC8p6bauL1+ljAQv/s3dfM6wg dNHAb6BKgBmEmbzdBDuUahBfdh528Ih1+zMuaRx3yIUoVcGagnACjypcNefX8Bhk IU+JHjgHg8v3KazovIxFV6KDoS8c0aQ9Lt3GO0zfDqN/joHNtAF4FtSdfM5SQUzB LSbVYXS5nr5sfJ+Jg+dA7EzVF7ZtQEcfkFQLkwVhbOCLkDoTAQ0Qulqk7n7I5wMZ 4FQRqCKNhawAvTS9Bv5CoVldk/48c9Bhbum6Y9FsisiMxXtoJeG1H0UWOlLqYexV eF99fxT+fWW85QPb0zeZblzO0uw8hbTuc4EYCW1ZsRXV7nxblG/T6SK1keZqKL6C +edWJNIJgP7PPyfLkVrsTSNYwRUOBKYIyNjy/iZfist6ueWYtH3p2pbKuVt1UT5O R6UGFlGP/NgtcSibQkSBW/FXXgCzy056+jVYFJVcniKnSO9sq5519DB3kSWnm7Uk ZxjfxMCG9pWxLVrwftcl =ORtZ -----END PGP SIGNATURE----- Merge tag 'dlm-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm updates from David Teigland: "This set includes more low level communication layer cleanups. The main change is the listening socket is no longer handled as a special case of node connection sockets. There is one small fix for checking the number of local connections" * tag 'dlm-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: fs: dlm: check on existing node address fs: dlm: constify addr_compare fs: dlm: fix check for multi-homed hosts fs: dlm: listen socket out of connection hash fs: dlm: refactor sctp sock parameter fs: dlm: move shutdown action to node creation fs: dlm: move connect callback in node creation fs: dlm: add helper for init connection fs: dlm: handle non blocked connect event fs: dlm: flush othercon at close fs: dlm: add get buffer error handling fs: dlm: define max send buffer fs: dlm: fix proper srcu api call |
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Linus Torvalds
|
f1ee3b8829 |
for-5.11-tag
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE8rQSAMVO+zA4DBdWxWXV+ddtWDsFAl/XdB4ACgkQxWXV+ddt WDv41g//dOkrwjAVBfDUwRT/yKqojyEsZB1aNyHlPHFw8KEw5oIW7wxR4oqXi2ed /i9KIJe4E9AfqAiexhLvA+Wyt/Sgwz+k4ys82PKhhRNQn7LE4tvhSBUu6JYJDU09 6I1jagya7ILa8akFXZTmVbXdliI4Ab+pcXWAmQYK/xPVDxYTSsBf4o4MilNBA9FS lTwwBh5GTEtIkubr2yVd3pKfF4fT2g1hd+yglpHaOzpcrLMNN4hj4sUFlLbx/FlJ MWo+914cSNKJoebbnqhK9djD9hggaaXnNooqfBOXUhZN0VN9rQoKb5tW+TREQmFm shrmBSqN7CaqKfSOMZs7WOnTuTvmV/825PnLqDqcTUaLw+BgdyacpO9WflgfSs16 Cdvagr1SqbrSQ/3WYCpbqPLDNP3XuZ6+m5OWizf6fhyo8xdFcUHZgRC8qejDlycy V/zP0c5OYOMi5vo6x/zhrD7Uft7xoFUVcSJCe8WPri082d9LbA2BqwCsullD60PQ K/fsmlHs5Uxxy3MFgBPVDdWGgaa9rQ2vXequezbozBIIeeVL+Q9zkeyBFSYuFeE8 HToRE9B9BUEUh+p1JxPjOdFH/m+sKe1WMdmRLQthMzfOiNWW7pp/nL5rl4BUVmjm 58dQS73Cj/YNdBomRJXPPtgKIJPAWRrzU/JBcwAdMoKy57oh9NQ= =5YAS -----END PGP SIGNATURE----- Merge tag 'for-5.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs updates from David Sterba: "We have a mix of all kinds of changes, feature updates, core stuff, performance improvements and lots of cleanups and preparatory changes. User visible: - export filesystem generation in sysfs - new features for mount option 'rescue': - what's currently supported is exported in sysfs - 'ignorebadroots'/'ibadroots' - continue even if some essential tree roots are not usable (extent, uuid, data reloc, device, csum, free space) - 'ignoredatacsums'/'idatacsums' - skip checksum verification on data - 'all' - now enables 'ignorebadroots' + 'ignoredatacsums' + 'nologreplay' - export read mirror policy settings to sysfs, new policies will be added in the future - remove inode number cache feature (mount -o inode_cache), obsoleted in 5.9 User visible fixes: - async discard scheduling fixes on high loads - update inode byte counter atomically so stat() does not report wrong value in some cases - free space tree fixes: - correctly report status of v2 after remount - clear v1 cache inodes when v2 is newly enabled after remount Core: - switch own tree lock implementation to standard rw semaphore: - one-level lock nesting is not required anymore, the last use of this was in free space that's now loaded asynchronously - own implementation of adaptive spinning before taking mutex has been part of rwsem - performance seems to be better in general, much better (+tens of percents) for some workloads - lockdep does not complain - finish direct IO conversion to iomap infrastructure, remove temporary workaround for DSYNC after iomap API updates - preparatory work to support data and metadata blocks smaller than page: - generalize code that assumes sectorsize == PAGE_SIZE, lots of refactoring - planned namely for 64K pages (eg. arm64, ppc64) - scrub read-only support - preparatory work for zoned allocation mode (SMR/ZBC/ZNS friendly): - disable incompatible features - round-robin superblock write - free space cache (v1) is loaded asynchronously, remove tree path recursion - slightly improved time tacking for transaction kthread wake ups Performance improvements (note that the numbers depend on load type or other features and weren't run on the same machine): - skip unnecessary work: - do not start readahead for csum tree when scrubbing non-data block groups - do not start and wait for delalloc on snapshot roots on transaction commit - fix race when defragmenting leads to unnecessary IO - dbench speedups (+throughput%/-max latency%): - skip unnecessary searches for xattrs when logging an inode (+10.8/-8.2) - stop incrementing log batch when joining log transaction (1-2) - unlock path before checking if extent is shared during nocow writeback (+5.0/-20.5), on fio load +9.7% throughput/-9.8% runtime - several tree log improvements, eg. removing unnecessary operations, fixing races that lead to additional work (+12.7/-8.2) - tree-checker error branches annotated with unlikely() (+3% throughput) Other: - cleanups - lockdep fixes - more btrfs_inode conversions - error variable cleanups" * tag 'for-5.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (198 commits) btrfs: scrub: allow scrub to work with subpage sectorsize btrfs: scrub: support subpage data scrub btrfs: scrub: support subpage tree block scrub btrfs: scrub: always allocate one full page for one sector for RAID56 btrfs: scrub: reduce width of extent_len/stripe_len from 64 to 32 bits btrfs: refactor btrfs_lookup_bio_sums to handle out-of-order bvecs btrfs: remove btrfs_find_ordered_sum call from btrfs_lookup_bio_sums btrfs: handle sectorsize < PAGE_SIZE case for extent buffer accessors btrfs: update num_extent_pages to support subpage sized extent buffer btrfs: don't allow tree block to cross page boundary for subpage support btrfs: calculate inline extent buffer page size based on page size btrfs: factor out btree page submission code to a helper btrfs: make btrfs_verify_data_csum follow sector size btrfs: pass bio_offset to check_data_csum() directly btrfs: rename bio_offset of extent_submit_bio_start_t to dio_file_offset btrfs: fix lockdep warning when creating free space tree btrfs: skip space_cache v1 setup when not using it btrfs: remove free space items when disabling space cache v1 btrfs: warn when remount will not change the free space tree btrfs: use superblock state to print space_cache mount option ... |
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Linus Torvalds
|
a725cb4d70 |
File locking fixes for v5.11
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Linus Torvalds
|
7240153a9b |
Driver core updates for 5.11-rc1
Here is the big driver core updates for 5.11-rc1 This time there was a lot of different work happening here for some reason: - redo of the fwnode link logic, speeding it up greatly - auxiliary bus added (this was a tag that will be pulled in from other trees/maintainers this merge window as well, as driver subsystems started to rely on it) - platform driver core cleanups on the way to fixing some long-time api updates in future releases - minor fixes and tweaks. All have been in linux-next with no (finally) reported issues. Testing there did helped in shaking issues out a lot :) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCX9iEUQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynBJwCgjBAtVWXquZz4m/pyjn0HoTC7tdYAnAlQIj9s vRbPjOgH9R+YRJzFs1Kx =X6UP -----END PGP SIGNATURE----- Merge tag 'driver-core-5.11-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 driver core updates for 5.11-rc1 This time there was a lot of different work happening here for some reason: - redo of the fwnode link logic, speeding it up greatly - auxiliary bus added (this was a tag that will be pulled in from other trees/maintainers this merge window as well, as driver subsystems started to rely on it) - platform driver core cleanups on the way to fixing some long-time api updates in future releases - minor fixes and tweaks. All have been in linux-next with no (finally) reported issues. Testing there did helped in shaking issues out a lot :)" * tag 'driver-core-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (39 commits) driver core: platform: don't oops in platform_shutdown() on unbound devices ACPI: Use fwnode_init() to set up fwnode misc: pvpanic: Replace OF headers by mod_devicetable.h misc: pvpanic: Combine ACPI and platform drivers usb: host: sl811: Switch to use platform_get_mem_or_io() vfio: platform: Switch to use platform_get_mem_or_io() driver core: platform: Introduce platform_get_mem_or_io() dyndbg: fix use before null check soc: fix comment for freeing soc_dev_attr driver core: platform: use bus_type functions driver core: platform: change logic implementing platform_driver_probe driver core: platform: reorder functions driver core: make driver_probe_device() static driver core: Fix a couple of typos driver core: Reorder devices on successful probe driver core: Delete pointless parameter in fwnode_operations.add_links driver core: Refactor fw_devlink feature efi: Update implementation of add_links() to create fwnode links of: property: Update implementation of add_links() to create fwnode links driver core: Use device's fwnode to check if it is waiting for suppliers ... |
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Linus Torvalds
|
d635a69dd4 |
Networking updates for 5.11
Core: - support "prefer busy polling" NAPI operation mode, where we defer softirq for some time expecting applications to periodically busy poll - AF_XDP: improve efficiency by more batching and hindering the adjacency cache prefetcher - af_packet: make packet_fanout.arr size configurable up to 64K - tcp: optimize TCP zero copy receive in presence of partial or unaligned reads making zero copy a performance win for much smaller messages - XDP: add bulk APIs for returning / freeing frames - sched: support fragmenting IP packets as they come out of conntrack - net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs BPF: - BPF switch from crude rlimit-based to memcg-based memory accounting - BPF type format information for kernel modules and related tracing enhancements - BPF implement task local storage for BPF LSM - allow the FENTRY/FEXIT/RAW_TP tracing programs to use bpf_sk_storage Protocols: - mptcp: improve multiple xmit streams support, memory accounting and many smaller improvements - TLS: support CHACHA20-POLY1305 cipher - seg6: add support for SRv6 End.DT4/DT6 behavior - sctp: Implement RFC 6951: UDP Encapsulation of SCTP - ppp_generic: add ability to bridge channels directly - bridge: Connectivity Fault Management (CFM) support as is defined in IEEE 802.1Q section 12.14. Drivers: - mlx5: make use of the new auxiliary bus to organize the driver internals - mlx5: more accurate port TX timestamping support - mlxsw: - improve the efficiency of offloaded next hop updates by using the new nexthop object API - support blackhole nexthops - support IEEE 802.1ad (Q-in-Q) bridging - rtw88: major bluetooth co-existance improvements - iwlwifi: support new 6 GHz frequency band - ath11k: Fast Initial Link Setup (FILS) - mt7915: dual band concurrent (DBDC) support - net: ipa: add basic support for IPA v4.5 Refactor: - a few pieces of in_interrupt() cleanup work from Sebastian Andrzej Siewior - phy: add support for shared interrupts; get rid of multiple driver APIs and have the drivers write a full IRQ handler, slight growth of driver code should be compensated by the simpler API which also allows shared IRQs - add common code for handling netdev per-cpu counters - move TX packet re-allocation from Ethernet switch tag drivers to a central place - improve efficiency and rename nla_strlcpy - number of W=1 warning cleanups as we now catch those in a patchwork build bot Old code removal: - wan: delete the DLCI / SDLA drivers - wimax: move to staging - wifi: remove old WDS wifi bridging support Signed-off-by: Jakub Kicinski <kuba@kernel.org> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE6jPA+I1ugmIBA4hXMUZtbf5SIrsFAl/YXmUACgkQMUZtbf5S IrvSQBAAgOrt4EFopEvVqlTHZbqI45IEqgtXS+YWmlgnjZCgshyMj8q1yK1zzane qYxr/NNJ9kV3FdtaynmmHPgEEEfR5kJ/D3B2BsxYDkaDDrD0vbNsBGw+L+/Gbhxl N/5l/9FjLyLY1D+EErknuwR5XGuQ6BSDVaKQMhYOiK2hgdnAAI4hszo8Chf6wdD0 XDBslQ7vpD/05r+eMj0IkS5dSAoGOIFXUxhJ5dqrDbRHiKsIyWqA3PLbYemfAhxI s2XckjfmSgGE3FKL8PSFu+EcfHbJQQjLcULJUnqgVcdwEEtRuE9ggEi52nZRXMWM 4e8sQJAR9Fx7pZy0G1xfS149j6iPU5LjRlU9TNSpVABz14Vvvo3gEL6gyIdsz+xh hMN7UBdp0FEaP028CXoIYpaBesvQqj0BSndmee8qsYAtN6j+QKcM2AOSr7JN1uMH C/86EDoGAATiEQIVWJvnX5MPmlAoblyLA+RuVhmxkIBx2InGXkFmWqRkXT5l4jtk LVl8/TArR4alSQqLXictXCjYlCm9j5N4zFFtEVasSYi7/ZoPfgRNWT+lJ2R8Y+Zv +htzGaFuyj6RJTVeFQMrkl3whAtBamo2a0kwg45NnxmmXcspN6kJX1WOIy82+MhD Yht7uplSs7MGKA78q/CDU0XBeGjpABUvmplUQBIfrR/jKLW2730= =GXs1 -----END PGP SIGNATURE----- Merge tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core: - support "prefer busy polling" NAPI operation mode, where we defer softirq for some time expecting applications to periodically busy poll - AF_XDP: improve efficiency by more batching and hindering the adjacency cache prefetcher - af_packet: make packet_fanout.arr size configurable up to 64K - tcp: optimize TCP zero copy receive in presence of partial or unaligned reads making zero copy a performance win for much smaller messages - XDP: add bulk APIs for returning / freeing frames - sched: support fragmenting IP packets as they come out of conntrack - net: allow virtual netdevs to forward UDP L4 and fraglist GSO skbs BPF: - BPF switch from crude rlimit-based to memcg-based memory accounting - BPF type format information for kernel modules and related tracing enhancements - BPF implement task local storage for BPF LSM - allow the FENTRY/FEXIT/RAW_TP tracing programs to use bpf_sk_storage Protocols: - mptcp: improve multiple xmit streams support, memory accounting and many smaller improvements - TLS: support CHACHA20-POLY1305 cipher - seg6: add support for SRv6 End.DT4/DT6 behavior - sctp: Implement RFC 6951: UDP Encapsulation of SCTP - ppp_generic: add ability to bridge channels directly - bridge: Connectivity Fault Management (CFM) support as is defined in IEEE 802.1Q section 12.14. Drivers: - mlx5: make use of the new auxiliary bus to organize the driver internals - mlx5: more accurate port TX timestamping support - mlxsw: - improve the efficiency of offloaded next hop updates by using the new nexthop object API - support blackhole nexthops - support IEEE 802.1ad (Q-in-Q) bridging - rtw88: major bluetooth co-existance improvements - iwlwifi: support new 6 GHz frequency band - ath11k: Fast Initial Link Setup (FILS) - mt7915: dual band concurrent (DBDC) support - net: ipa: add basic support for IPA v4.5 Refactor: - a few pieces of in_interrupt() cleanup work from Sebastian Andrzej Siewior - phy: add support for shared interrupts; get rid of multiple driver APIs and have the drivers write a full IRQ handler, slight growth of driver code should be compensated by the simpler API which also allows shared IRQs - add common code for handling netdev per-cpu counters - move TX packet re-allocation from Ethernet switch tag drivers to a central place - improve efficiency and rename nla_strlcpy - number of W=1 warning cleanups as we now catch those in a patchwork build bot Old code removal: - wan: delete the DLCI / SDLA drivers - wimax: move to staging - wifi: remove old WDS wifi bridging support" * tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1922 commits) net: hns3: fix expression that is currently always true net: fix proc_fs init handling in af_packet and tls nfc: pn533: convert comma to semicolon af_vsock: Assign the vsock transport considering the vsock address flags af_vsock: Set VMADDR_FLAG_TO_HOST flag on the receive path vsock_addr: Check for supported flag values vm_sockets: Add VMADDR_FLAG_TO_HOST vsock flag vm_sockets: Add flags field in the vsock address data structure net: Disable NETIF_F_HW_TLS_TX when HW_CSUM is disabled tcp: Add logic to check for SYN w/ data in tcp_simple_retransmit net: mscc: ocelot: install MAC addresses in .ndo_set_rx_mode from process context nfc: s3fwrn5: Release the nfc firmware net: vxget: clean up sparse warnings mlxsw: spectrum_router: Use eXtended mezzanine to offload IPv4 router mlxsw: spectrum: Set KVH XLT cache mode for Spectrum2/3 mlxsw: spectrum_router_xm: Introduce basic XM cache flushing mlxsw: reg: Add Router LPM Cache Enable Register mlxsw: reg: Add Router LPM Cache ML Delete Register mlxsw: spectrum_router_xm: Implement L-value tracking for M-index mlxsw: reg: Add XM Router M Table Register ... |
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Linus Torvalds
|
ac73e3dc8a |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: - a few random little subsystems - almost all of the MM patches which are staged ahead of linux-next material. I'll trickle to post-linux-next work in as the dependents get merged up. Subsystems affected by this patch series: kthread, kbuild, ide, ntfs, ocfs2, arch, and mm (slab-generic, slab, slub, dax, debug, pagecache, gup, swap, shmem, memcg, pagemap, mremap, hmm, vmalloc, documentation, kasan, pagealloc, memory-failure, hugetlb, vmscan, z3fold, compaction, oom-kill, migration, cma, page-poison, userfaultfd, zswap, zsmalloc, uaccess, zram, and cleanups). * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (200 commits) mm: cleanup kstrto*() usage mm: fix fall-through warnings for Clang mm: slub: convert sysfs sprintf family to sysfs_emit/sysfs_emit_at mm: shmem: convert shmem_enabled_show to use sysfs_emit_at mm:backing-dev: use sysfs_emit in macro defining functions mm: huge_memory: convert remaining use of sprintf to sysfs_emit and neatening mm: use sysfs_emit for struct kobject * uses mm: fix kernel-doc markups zram: break the strict dependency from lzo zram: add stat to gather incompressible pages since zram set up zram: support page writeback mm/process_vm_access: remove redundant initialization of iov_r mm/zsmalloc.c: rework the list_add code in insert_zspage() mm/zswap: move to use crypto_acomp API for hardware acceleration mm/zswap: fix passing zero to 'PTR_ERR' warning mm/zswap: make struct kernel_param_ops definitions const userfaultfd/selftests: hint the test runner on required privilege userfaultfd/selftests: fix retval check for userfaultfd_open() userfaultfd/selftests: always dump something in modes userfaultfd: selftests: make __{s,u}64 format specifiers portable ... |
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Lokesh Gidra
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d0d4730ac2 |
userfaultfd: add user-mode only option to unprivileged_userfaultfd sysctl knob
With this change, when the knob is set to 0, it allows unprivileged users to call userfaultfd, like when it is set to 1, but with the restriction that page faults from only user-mode can be handled. In this mode, an unprivileged user (without SYS_CAP_PTRACE capability) must pass UFFD_USER_MODE_ONLY to userfaultd or the API will fail with EPERM. This enables administrators to reduce the likelihood that an attacker with access to userfaultfd can delay faulting kernel code to widen timing windows for other exploits. The default value of this knob is changed to 0. This is required for correct functioning of pipe mutex. However, this will fail postcopy live migration, which will be unnoticeable to the VM guests. To avoid this, set 'vm.userfault = 1' in /sys/sysctl.conf. The main reason this change is desirable as in the short term is that the Android userland will behave as with the sysctl set to zero. So without this commit, any Linux binary using userfaultfd to manage its memory would behave differently if run within the Android userland. For more details, refer to Andrea's reply [1]. [1] https://lore.kernel.org/lkml/20200904033438.GI9411@redhat.com/ Link: https://lkml.kernel.org/r/20201120030411.2690816-3-lokeshgidra@google.com Signed-off-by: Lokesh Gidra <lokeshgidra@google.com> Reviewed-by: Andrea Arcangeli <aarcange@redhat.com> Cc: Kees Cook <keescook@chromium.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Peter Xu <peterx@redhat.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Eric Biggers <ebiggers@kernel.org> Cc: Daniel Colascione <dancol@dancol.org> Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Jeff Vander Stoep <jeffv@google.com> Cc: <calin@google.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Shaohua Li <shli@fb.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Nitin Gupta <nigupta@nvidia.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Iurii Zaikin <yzaikin@google.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Daniel Colascione <dancol@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Lokesh Gidra
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37cd0575b8 |
userfaultfd: add UFFD_USER_MODE_ONLY
Patch series "Control over userfaultfd kernel-fault handling", v6. This patch series is split from [1]. The other series enables SELinux support for userfaultfd file descriptors so that its creation and movement can be controlled. It has been demonstrated on various occasions that suspending kernel code execution for an arbitrary amount of time at any access to userspace memory (copy_from_user()/copy_to_user()/...) can be exploited to change the intended behavior of the kernel. For instance, handling page faults in kernel-mode using userfaultfd has been exploited in [2, 3]. Likewise, FUSE, which is similar to userfaultfd in this respect, has been exploited in [4, 5] for similar outcome. This small patch series adds a new flag to userfaultfd(2) that allows callers to give up the ability to handle kernel-mode faults with the resulting UFFD file object. It then adds a 'user-mode only' option to the unprivileged_userfaultfd sysctl knob to require unprivileged callers to use this new flag. The purpose of this new interface is to decrease the chance of an unprivileged userfaultfd user taking advantage of userfaultfd to enhance security vulnerabilities by lengthening the race window in kernel code. [1] https://lore.kernel.org/lkml/20200211225547.235083-1-dancol@google.com/ [2] https://duasynt.com/blog/linux-kernel-heap-spray [3] https://duasynt.com/blog/cve-2016-6187-heap-off-by-one-exploit [4] https://googleprojectzero.blogspot.com/2016/06/exploiting-recursion-in-linux-kernel_20.html [5] https://bugs.chromium.org/p/project-zero/issues/detail?id=808 This patch (of 2): userfaultfd handles page faults from both user and kernel code. Add a new UFFD_USER_MODE_ONLY flag for userfaultfd(2) that makes the resulting userfaultfd object refuse to handle faults from kernel mode, treating these faults as if SIGBUS were always raised, causing the kernel code to fail with EFAULT. A future patch adds a knob allowing administrators to give some processes the ability to create userfaultfd file objects only if they pass UFFD_USER_MODE_ONLY, reducing the likelihood that these processes will exploit userfaultfd's ability to delay kernel page faults to open timing windows for future exploits. Link: https://lkml.kernel.org/r/20201120030411.2690816-1-lokeshgidra@google.com Link: https://lkml.kernel.org/r/20201120030411.2690816-2-lokeshgidra@google.com Signed-off-by: Daniel Colascione <dancol@google.com> Signed-off-by: Lokesh Gidra <lokeshgidra@google.com> Reviewed-by: Andrea Arcangeli <aarcange@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: <calin@google.com> Cc: Daniel Colascione <dancol@dancol.org> Cc: Eric Biggers <ebiggers@kernel.org> Cc: Iurii Zaikin <yzaikin@google.com> Cc: Jeff Vander Stoep <jeffv@google.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kees Cook <keescook@chromium.org> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Nitin Gupta <nigupta@nvidia.com> Cc: Peter Xu <peterx@redhat.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Shaohua Li <shli@fb.com> Cc: Stephen Smalley <stephen.smalley.work@gmail.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
5e545df329 |
arm: remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
ARM is the only architecture that defines CONFIG_ARCH_HAS_HOLES_MEMORYMODEL which in turn enables memmap_valid_within() function that is intended to verify existence of struct page associated with a pfn when there are holes in the memory map. However, the ARCH_HAS_HOLES_MEMORYMODEL also enables HAVE_ARCH_PFN_VALID and arch-specific pfn_valid() implementation that also deals with the holes in the memory map. The only two users of memmap_valid_within() call this function after a call to pfn_valid() so the memmap_valid_within() check becomes redundant. Remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL and memmap_valid_within() and rely entirely on ARM's implementation of pfn_valid() that is now enabled unconditionally. Link: https://lkml.kernel.org/r/20201101170454.9567-9-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Matt Turner <mattst88@gmail.com> Cc: Meelis Roos <mroos@linux.ee> Cc: Michael Schmitz <schmitzmic@gmail.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Tony Luck <tony.luck@intel.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Dmitry Safonov
|
cd544fd1dc |
mremap: don't allow MREMAP_DONTUNMAP on special_mappings and aio
As kernel expect to see only one of such mappings, any further operations
on the VMA-copy may be unexpected by the kernel. Maybe it's being on the
safe side, but there doesn't seem to be any expected use-case for this, so
restrict it now.
Link: https://lkml.kernel.org/r/20201013013416.390574-4-dima@arista.com
Fixes: commit
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Shakeel Butt
|
f0c0c115fb |
mm: memcontrol: account pagetables per node
For many workloads, pagetable consumption is significant and it makes sense to expose it in the memory.stat for the memory cgroups. However at the moment, the pagetables are accounted per-zone. Converting them to per-node and using the right interface will correctly account for the memory cgroups as well. [akpm@linux-foundation.org: export __mod_lruvec_page_state to modules for arch/mips/kvm/] Link: https://lkml.kernel.org/r/20201130212541.2781790-3-shakeelb@google.com Signed-off-by: Shakeel Butt <shakeelb@google.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Roman Gushchin <guro@fb.com> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mauricio Faria de Oliveira
|
45680967ee |
ocfs2: ratelimit the 'max lookup times reached' notice
Running stress-ng on ocfs2 completely fills the kernel log with 'max lookup times reached, filesystem may have nested directories.' Let's ratelimit this message as done with others in the code. Test-case: # mkfs.ocfs2 --mount local $DEV # mount $DEV $MNT # cd $MNT # dmesg -C # stress-ng --dirdeep 1 --dirdeep-ops 1000 # dmesg | grep -c 'max lookup times reached' Before: # dmesg -C # stress-ng --dirdeep 1 --dirdeep-ops 1000 ... stress-ng: info: [11116] successful run completed in 3.03s # dmesg | grep -c 'max lookup times reached' 967 After: # dmesg -C # stress-ng --dirdeep 1 --dirdeep-ops 1000 ... stress-ng: info: [739] successful run completed in 0.96s # dmesg | grep -c 'max lookup times reached' 10 # dmesg [ 259.086086] ocfs2_check_if_ancestor: 1990 callbacks suppressed [ 259.086092] (stress-ng-dirde,740,1):ocfs2_check_if_ancestor:1091 max lookup times reached, filesystem may have nested directories, src inode: 18007, dest inode: 17940. ... Link: https://lkml.kernel.org/r/20201001224417.478263-1-mfo@canonical.com Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Gang He <ghe@suse.com> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Tom Rix
|
a0823b5e44 |
fs/ocfs2/cluster/tcp.c: remove unneeded break
A break is not needed if it is preceded by a goto Link: https://lkml.kernel.org/r/20201019175216.2329-1-trix@redhat.com Signed-off-by: Tom Rix <trix@redhat.com> Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Gang He <ghe@suse.com> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Alex Shi
|
4dad18f477 |
fs/ntfs: remove unused variable attr_len
This variable isn't used anymore, remove it to skip W=1 warning: fs/ntfs/inode.c:2350:6: warning: variable `attr_len' set but not used [-Wunused-but-set-variable] Link: https://lkml.kernel.org/r/4194376f-898b-b602-81c3-210567712092@linux.alibaba.com Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Acked-by: Anton Altaparmakov <anton@tuxera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Alex Shi
|
3f10c2fa40 |
fs/ntfs: remove unused varibles
We actually don't use these varibles, so remove them to avoid gcc warning: fs/ntfs/file.c:326:14: warning: variable `base_ni' set but not used [-Wunused-but-set-variable] fs/ntfs/logfile.c:481:21: warning: variable `log_page_mask' set but not used [-Wunused-but-set-variable] Link: https://lkml.kernel.org/r/1604821092-54631-1-git-send-email-alex.shi@linux.alibaba.com Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Acked-by: Anton Altaparmakov <anton@tuxera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
edd7ab7684 |
The new preemtible kmap_local() implementation:
- Consolidate all kmap_atomic() internals into a generic implementation which builds the base for the kmap_local() API and make the kmap_atomic() interface wrappers which handle the disabling/enabling of preemption and pagefaults. - Switch the storage from per-CPU to per task and provide scheduler support for clearing mapping when scheduling out and restoring them when scheduling back in. - Merge the migrate_disable/enable() code, which is also part of the scheduler pull request. This was required to make the kmap_local() interface available which does not disable preemption when a mapping is established. It has to disable migration instead to guarantee that the virtual address of the mapped slot is the same accross preemption. - Provide better debug facilities: guard pages and enforced utilization of the mapping mechanics on 64bit systems when the architecture allows it. - Provide the new kmap_local() API which can now be used to cleanup the kmap_atomic() usage sites all over the place. Most of the usage sites do not require the implicit disabling of preemption and pagefaults so the penalty on 64bit and 32bit non-highmem systems is removed and quite some of the code can be simplified. A wholesale conversion is not possible because some usage depends on the implicit side effects and some need to be cleaned up because they work around these side effects. The migrate disable side effect is only effective on highmem systems and when enforced debugging is enabled. On 64bit and 32bit non-highmem systems the overhead is completely avoided. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl/XyQwTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoUolD/9+R+BX96fGir+I8rG9dc3cbLw5meSi 0I/Nq3PToZMs2Iqv50DsoaPYHHz/M6fcAO9LRIgsE9jRbnY93GnsBM0wU9Y8yQaT 4wUzOG5WHaLDfqIkx/CN9coUl458oEiwOEbn79A2FmPXFzr7IpkufnV3ybGDwzwP p73bjMJMPPFrsa9ig87YiYfV/5IAZHi82PN8Cq1v4yNzgXRP3Tg6QoAuCO84ZnWF RYlrfKjcJ2xPdn+RuYyXolPtxr1hJQ0bOUpe4xu/UfeZjxZ7i1wtwLN9kWZe8CKH +x4Lz8HZZ5QMTQ9sCHOLtKzu2MceMcpISzoQH4/aFQCNMgLn1zLbS790XkYiQCuR ne9Cua+IqgYfGMG8cq8+bkU9HCNKaXqIBgPEKE/iHYVmqzCOqhW5Cogu4KFekf6V Wi7pyyUdX2en8BAWpk5NHc8de9cGcc+HXMq2NIcgXjVWvPaqRP6DeITERTZLJOmz XPxq5oPLGl7wdm7z+ICIaNApy8zuxpzb6sPLNcn7l5OeorViORlUu08AN8587wAj FiVjp6ZYomg+gyMkiNkDqFOGDH5TMENpOFoB0hNNEyJwwS0xh6CgWuwZcv+N8aPO HuS/P+tNANbD8ggT4UparXYce7YCtgOf3IG4GA3JJYvYmJ6pU+AZOWRoDScWq4o+ +jlfoJhMbtx5Gg== =n71I -----END PGP SIGNATURE----- Merge tag 'core-mm-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull kmap updates from Thomas Gleixner: "The new preemtible kmap_local() implementation: - Consolidate all kmap_atomic() internals into a generic implementation which builds the base for the kmap_local() API and make the kmap_atomic() interface wrappers which handle the disabling/enabling of preemption and pagefaults. - Switch the storage from per-CPU to per task and provide scheduler support for clearing mapping when scheduling out and restoring them when scheduling back in. - Merge the migrate_disable/enable() code, which is also part of the scheduler pull request. This was required to make the kmap_local() interface available which does not disable preemption when a mapping is established. It has to disable migration instead to guarantee that the virtual address of the mapped slot is the same across preemption. - Provide better debug facilities: guard pages and enforced utilization of the mapping mechanics on 64bit systems when the architecture allows it. - Provide the new kmap_local() API which can now be used to cleanup the kmap_atomic() usage sites all over the place. Most of the usage sites do not require the implicit disabling of preemption and pagefaults so the penalty on 64bit and 32bit non-highmem systems is removed and quite some of the code can be simplified. A wholesale conversion is not possible because some usage depends on the implicit side effects and some need to be cleaned up because they work around these side effects. The migrate disable side effect is only effective on highmem systems and when enforced debugging is enabled. On 64bit and 32bit non-highmem systems the overhead is completely avoided" * tag 'core-mm-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits) ARM: highmem: Fix cache_is_vivt() reference x86/crashdump/32: Simplify copy_oldmem_page() io-mapping: Provide iomap_local variant mm/highmem: Provide kmap_local* sched: highmem: Store local kmaps in task struct x86: Support kmap_local() forced debugging mm/highmem: Provide CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP mm/highmem: Provide and use CONFIG_DEBUG_KMAP_LOCAL microblaze/mm/highmem: Add dropped #ifdef back xtensa/mm/highmem: Make generic kmap_atomic() work correctly mm/highmem: Take kmap_high_get() properly into account highmem: High implementation details and document API Documentation/io-mapping: Remove outdated blurb io-mapping: Cleanup atomic iomap mm/highmem: Remove the old kmap_atomic cruft highmem: Get rid of kmap_types.h xtensa/mm/highmem: Switch to generic kmap atomic sparc/mm/highmem: Switch to generic kmap atomic powerpc/mm/highmem: Switch to generic kmap atomic nds32/mm/highmem: Switch to generic kmap atomic ... |
||
Linus Torvalds
|
adb35e8dc9 |
Scheduler updates:
- migrate_disable/enable() support which originates from the RT tree and is now a prerequisite for the new preemptible kmap_local() API which aims to replace kmap_atomic(). - A fair amount of topology and NUMA related improvements - Improvements for the frequency invariant calculations - Enhanced robustness for the global CPU priority tracking and decision making - The usual small fixes and enhancements all over the place -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl/XwK4THHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoX28D/9cVrvziSQGfBfuQWnUiw8iOIq1QBa2 Me+Tvenhfrlt7xU6rbP9ciFu7eTN+fS06m5uQPGI+t22WuJmHzbmw1bJVXfkvYfI /QoU+Hg7DkDAn1p7ZKXh0dRkV0nI9ixxSHl0E+Zf1ATBxCUMV2SO85flg6z/4qJq 3VWUye0dmR7/bhtkIjv5rwce9v2JB2g1AbgYXYTW9lHVoUdGoMSdiZAF4tGyHLnx sJ6DMqQ+k+dmPyYO0z5MTzjW/fXit4n9w2e3z9TvRH/uBu58WSW1RBmQYX6aHBAg dhT9F4lvTs6lJY23x5RSFWDOv6xAvKF5a0xfb8UZcyH5EoLYrPRvm42a0BbjdeRa u0z7LbwIlKA+RFdZzFZWz8UvvO0ljyMjmiuqZnZ5dY9Cd80LSBuxrWeQYG0qg6lR Y2povhhCepEG+q8AXIe2YjHKWKKC1s/l/VY3CNnCzcd21JPQjQ4Z5eWGmHif5IED CntaeFFhZadR3w02tkX35zFmY3w4soKKrbI4EKWrQwd+cIEQlOSY7dEPI/b5BbYj MWAb3P4EG9N77AWTNmbhK4nN0brEYb+rBbCA+5dtNBVhHTxAC7OTWElJOC2O66FI e06dREjvwYtOkRUkUguWwErbIai2gJ2MH0VILV3hHoh64oRk7jjM8PZYnjQkdptQ Gsq0rJW5iiu/OQ== =Oz1V -----END PGP SIGNATURE----- Merge tag 'sched-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler updates from Thomas Gleixner: - migrate_disable/enable() support which originates from the RT tree and is now a prerequisite for the new preemptible kmap_local() API which aims to replace kmap_atomic(). - A fair amount of topology and NUMA related improvements - Improvements for the frequency invariant calculations - Enhanced robustness for the global CPU priority tracking and decision making - The usual small fixes and enhancements all over the place * tag 'sched-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (61 commits) sched/fair: Trivial correction of the newidle_balance() comment sched/fair: Clear SMT siblings after determining the core is not idle sched: Fix kernel-doc markup x86: Print ratio freq_max/freq_base used in frequency invariance calculations x86, sched: Use midpoint of max_boost and max_P for frequency invariance on AMD EPYC x86, sched: Calculate frequency invariance for AMD systems irq_work: Optimize irq_work_single() smp: Cleanup smp_call_function*() irq_work: Cleanup sched: Limit the amount of NUMA imbalance that can exist at fork time sched/numa: Allow a floating imbalance between NUMA nodes sched: Avoid unnecessary calculation of load imbalance at clone time sched/numa: Rename nr_running and break out the magic number sched: Make migrate_disable/enable() independent of RT sched/topology: Condition EAS enablement on FIE support arm64: Rebuild sched domains on invariance status changes sched/topology,schedutil: Wrap sched domains rebuild sched/uclamp: Allow to reset a task uclamp constraint value sched/core: Fix typos in comments Documentation: scheduler: fix information on arch SD flags, sched_domain and sched_debug ... |
||
Linus Torvalds
|
1ac0884d54 |
A set of updates for entry/exit handling:
- More generalization of entry/exit functionality - The consolidation work to reclaim TIF flags on x86 and also for non-x86 specific TIF flags which are solely relevant for syscall related work and have been moved into their own storage space. The x86 specific part had to be merged in to avoid a major conflict. - The TIF_NOTIFY_SIGNAL work which replaces the inefficient signal delivery mode of task work and results in an impressive performance improvement for io_uring. The non-x86 consolidation of this is going to come seperate via Jens. - The selective syscall redirection facility which provides a clean and efficient way to support the non-Linux syscalls of WINE by catching them at syscall entry and redirecting them to the user space emulation. This can be utilized for other purposes as well and has been designed carefully to avoid overhead for the regular fastpath. This includes the core changes and the x86 support code. - Simplification of the context tracking entry/exit handling for the users of the generic entry code which guarantee the proper ordering and protection. - Preparatory changes to make the generic entry code accomodate S390 specific requirements which are mostly related to their syscall restart mechanism. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl/XoPoTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoe0tD/4jSKHIogVM9kVpiYfwjDGS1NluaBXn 71ZoASbX9GZebyGandMyF2QP1iJ24ZO0RztBwHEVH6fyomKB2iFNedssCpO9yfWV 3eFRpOvMpbszY2W2bd0QG3GrqaTttjVfB4ahkGLzqeSbchdob6hZpNDYtBZnujA6 GSnrrurfJkCGoQny+yJQYdQJXQU+BIX90B2a2Q+jW123Luy/iHXC1f/krZSA1m14 fC9xYLSUjPphTzh2ZOW+C3DgdjOL5PfAm/6F+DArt4GtLgrEGD7R74aLSFhvetky dn5QtG+yAsz1i0cc5Wu/JBcT9tOkY92rPYSyLI9bYQUSQ/bMyuprz6oYKj3dubsu ZSsKPdkNFPIniL4fLdCMWZcIXX5xgnrxKjdgXZXW3gtrcxSns8w8uED3Sh7dgE08 pgIeq67E5g/OB8kJXH1VxdewmeQb9cOmnzzHwNO7TrrGbBKjDTYHNdYOKf1dUTTK ZX1UjLfGwxTkMYAbQD1k0JGZ2OLRshzSaH5BW/ZKa3bvJW6yYOq+/YT8B8hbJ8U3 vThlO75/55IJxS5r5Y3vZd/IHdsYbPuETD+TA8tNYtPqNZasW8nnk4TYctWqzDuO /Ka1wvWYid3c6ySznQn4zSyRjr968AfHeZ9YTUMhWufy5waXVmdBMG41u3IKfsVt osyzNc4EK19/Mg== =hsjV -----END PGP SIGNATURE----- Merge tag 'core-entry-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core entry/exit updates from Thomas Gleixner: "A set of updates for entry/exit handling: - More generalization of entry/exit functionality - The consolidation work to reclaim TIF flags on x86 and also for non-x86 specific TIF flags which are solely relevant for syscall related work and have been moved into their own storage space. The x86 specific part had to be merged in to avoid a major conflict. - The TIF_NOTIFY_SIGNAL work which replaces the inefficient signal delivery mode of task work and results in an impressive performance improvement for io_uring. The non-x86 consolidation of this is going to come seperate via Jens. - The selective syscall redirection facility which provides a clean and efficient way to support the non-Linux syscalls of WINE by catching them at syscall entry and redirecting them to the user space emulation. This can be utilized for other purposes as well and has been designed carefully to avoid overhead for the regular fastpath. This includes the core changes and the x86 support code. - Simplification of the context tracking entry/exit handling for the users of the generic entry code which guarantee the proper ordering and protection. - Preparatory changes to make the generic entry code accomodate S390 specific requirements which are mostly related to their syscall restart mechanism" * tag 'core-entry-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits) entry: Add syscall_exit_to_user_mode_work() entry: Add exit_to_user_mode() wrapper entry_Add_enter_from_user_mode_wrapper entry: Rename exit_to_user_mode() entry: Rename enter_from_user_mode() docs: Document Syscall User Dispatch selftests: Add benchmark for syscall user dispatch selftests: Add kselftest for syscall user dispatch entry: Support Syscall User Dispatch on common syscall entry kernel: Implement selective syscall userspace redirection signal: Expose SYS_USER_DISPATCH si_code type x86: vdso: Expose sigreturn address on vdso to the kernel MAINTAINERS: Add entry for common entry code entry: Fix boot for !CONFIG_GENERIC_ENTRY x86: Support HAVE_CONTEXT_TRACKING_OFFSTACK context_tracking: Only define schedule_user() on !HAVE_CONTEXT_TRACKING_OFFSTACK archs sched: Detect call to schedule from critical entry code context_tracking: Don't implement exception_enter/exit() on CONFIG_HAVE_CONTEXT_TRACKING_OFFSTACK context_tracking: Introduce HAVE_CONTEXT_TRACKING_OFFSTACK x86: Reclaim unused x86 TI flags ... |
||
Linus Torvalds
|
f9b4240b07 |
fixes-v5.11
-----BEGIN PGP SIGNATURE-----
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Merge tag 'fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull misc fixes from Christian Brauner:
"This contains several fixes which felt worth being combined into a
single branch:
- Use put_nsproxy() instead of open-coding it switch_task_namespaces()
- Kirill's work to unify lifecycle management for all namespaces. The
lifetime counters are used identically for all namespaces types.
Namespaces may of course have additional unrelated counters and
these are not altered. This work allows us to unify the type of the
counters and reduces maintenance cost by moving the counter in one
place and indicating that basic lifetime management is identical
for all namespaces.
- Peilin's fix adding three byte padding to Dmitry's
PTRACE_GET_SYSCALL_INFO uapi struct to prevent an info leak.
- Two smal patches to convert from the /* fall through */ comment
annotation to the fallthrough keyword annotation which I had taken
into my branch and into -next before
|
||
Linus Torvalds
|
6d93a1971a |
time-namespace-v5.11
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCX9cwgAAKCRCRxhvAZXjc onViAP9CDMQct0RfdpdKOrh4NkxWiheBp7CzVSP1Xfy8KHBslgD/X7kilcthT8PC JTJmngrVWoehX+s49kl2PSuuLsGElAo= =llnx -----END PGP SIGNATURE----- Merge tag 'time-namespace-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux Pull time namespace updates from Christian Brauner: "When time namespaces were introduced we missed to virtualize the 'btime' field in /proc/stat. This confuses tasks which are in another time namespace with a virtualized boottime which is common in some container workloads. This contains Michael's series to fix 'btime' which Thomas asked me to take through my tree. To fix 'btime' virtualization we simply subtract the offset of the time namespace's boottime from btime before printing the stats. Note that since start_boottime of processes are seconds since boottime and the boottime stamp is now shifted according to the time namespace's offset, the offset of the time namespace also needs to be applied before the process stats are given to userspace. This avoids that processes shown by tools such as 'ps' appear as time travelers in the corresponding time namespace. Selftests are included to verify that btime virtualization in /proc/stat works as expected" * tag 'time-namespace-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: namespace: make timens_on_fork() return nothing selftests/timens: added selftest for /proc/stat btime fs/proc: apply the time namespace offset to /proc/stat btime timens: additional helper functions for boottime offset handling |
||
Jakub Kicinski
|
a6b5e026e6 |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says: ==================== pull-request: bpf-next 2020-12-14 1) Expose bpf_sk_storage_*() helpers to iterator programs, from Florent Revest. 2) Add AF_XDP selftests based on veth devs to BPF selftests, from Weqaar Janjua. 3) Support for finding BTF based kernel attach targets through libbpf's bpf_program__set_attach_target() API, from Andrii Nakryiko. 4) Permit pointers on stack for helper calls in the verifier, from Yonghong Song. 5) Fix overflows in hash map elem size after rlimit removal, from Eric Dumazet. 6) Get rid of direct invocation of llc in BPF selftests, from Andrew Delgadillo. 7) Fix xsk_recvmsg() to reorder socket state check before access, from Björn Töpel. 8) Add new libbpf API helper to retrieve ring buffer epoll fd, from Brendan Jackman. 9) Batch of minor BPF selftest improvements all over the place, from Florian Lehner, KP Singh, Jiri Olsa and various others. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (31 commits) selftests/bpf: Add a test for ptr_to_map_value on stack for helper access bpf: Permits pointers on stack for helper calls libbpf: Expose libbpf ring_buffer epoll_fd selftests/bpf: Add set_attach_target() API selftest for module target libbpf: Support modules in bpf_program__set_attach_target() API selftests/bpf: Silence ima_setup.sh when not running in verbose mode. selftests/bpf: Drop the need for LLVM's llc selftests/bpf: fix bpf_testmod.ko recompilation logic samples/bpf: Fix possible hang in xdpsock with multiple threads selftests/bpf: Make selftest compilation work on clang 11 selftests/bpf: Xsk selftests - adding xdpxceiver to .gitignore selftests/bpf: Drop tcp-{client,server}.py from Makefile selftests/bpf: Xsk selftests - Bi-directional Sockets - SKB, DRV selftests/bpf: Xsk selftests - Socket Teardown - SKB, DRV selftests/bpf: Xsk selftests - DRV POLL, NOPOLL selftests/bpf: Xsk selftests - SKB POLL, NOPOLL selftests/bpf: Xsk selftests framework bpf: Only provide bpf_sock_from_file with CONFIG_NET bpf: Return -ENOTSUPP when attaching to non-kernel BTF xsk: Validate socket state in xsk_recvmsg, prior touching socket members ... ==================== Link: https://lore.kernel.org/r/20201214214316.20642-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Linus Torvalds
|
405f868f13 |
- Remove all uses of TIF_IA32 and TIF_X32 and reclaim the two bits in the end
(Gabriel Krisman Bertazi) - All kinds of minor cleanups all over the tree. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAl/XgtoACgkQEsHwGGHe VUqGuA/9GqN2zNQdhgRvAQ+FLZiOYK9MfXcoayfMq8T61VRPDBWaQRfVYKmfmEjS 0l5OnYgZQ9n6vzqFy6pmgc/ix8Jr553dZp5NCamcOqjCTcuO/LwRRh+ZBeFSBTPi r2qFYKKRYvM7nbyUMm4WqvAakxJ18xsjNbIslr9Aqe8WtHBKKX3MOu8SOpFtGyXz aEc4rhsS45iZa5gTXhvOn73tr3yHGWU1rzyyAAAmDGTgAxRwsTna8v16C4+v+Bua Zg18Wiutj8ZjtFpzKJtGWGZoSBap3Jw2Ys64g42MBQUE56KY/99tQVo/SvbYvvlf PHWLH0f3rPNJ6J2qeKwhtNzPlEAH/6e416A1/6TVwsK+8pdfGmkfaQh2iDHLhJ5i CSwF61H44ZaE3pc1tHHbC5ALvydPlup7D4MKgztfq0mZ3OoV2Vg7dtyyr+Ybz72b G+Kl/tmyacQTXo0FiYbZKETo3/VfTdBXGyVax1rHkx3pt8zvhFg3kxb1TT/l/CoM eSTx53PtTdVtbGOq1CjnUm0FKlbh4+kLoNuo9DYKeXUQBs8PWOCZmL3wXmm4cqlZ mDZVWvll7CjToY8izzcE/AG279cWkgcL5Tcg7W7CR66+egfDdpuqOZ4tv4TyzoWq 0J7WeNj+TAo98b7RA0Ux8LOlszRxS2ykuI6uB2MgwCaRMbbaQao= =lLiH -----END PGP SIGNATURE----- Merge tag 'x86_cleanups_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cleanups from Borislav Petkov: "Another branch with a nicely negative diffstat, just the way I like 'em: - Remove all uses of TIF_IA32 and TIF_X32 and reclaim the two bits in the end (Gabriel Krisman Bertazi) - All kinds of minor cleanups all over the tree" * tag 'x86_cleanups_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) x86/ia32_signal: Propagate __user annotation properly x86/alternative: Update text_poke_bp() kernel-doc comment x86/PCI: Make a kernel-doc comment a normal one x86/asm: Drop unused RDPID macro x86/boot/compressed/64: Use TEST %reg,%reg instead of CMP $0,%reg x86/head64: Remove duplicate include x86/mm: Declare 'start' variable where it is used x86/head/64: Remove unused GET_CR2_INTO() macro x86/boot: Remove unused finalize_identity_maps() x86/uaccess: Document copy_from_user_nmi() x86/dumpstack: Make show_trace_log_lvl() static x86/mtrr: Fix a kernel-doc markup x86/setup: Remove unused MCA variables x86, libnvdimm/test: Remove COPY_MC_TEST x86: Reclaim TIF_IA32 and TIF_X32 x86/mm: Convert mmu context ia32_compat into a proper flags field x86/elf: Use e_machine to check for x32/ia32 in setup_additional_pages() elf: Expose ELF header on arch_setup_additional_pages() x86/elf: Use e_machine to select start_thread for x32 elf: Expose ELF header in compat_start_thread() ... |