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| author | Will Deacon <will.deacon@arm.com> | 2018-06-19 15:53:12 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-06-21 13:52:12 +0300 |
| commit | 84c6591103dbeaf393a092a3fc7b09510825f6b9 (patch) | |
| tree | a5c66f057f1ba7db4c9a4725b5827f40206f6d86 /include/asm-generic/bitops/ext2-atomic.h | |
| parent | e986a0d6cb36b54838b2f5f8ac2bb5f9baadd977 (diff) | |
| download | linux-84c6591103dbeaf393a092a3fc7b09510825f6b9.tar.xz | |
locking/atomics, asm-generic/bitops/lock.h: Rewrite using atomic_fetch_*()
The lock bitops can be implemented more efficiently using the atomic_fetch_*()
ops, which provide finer-grained control over the memory ordering semantics
than the bitops.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: yamada.masahiro@socionext.com
Link: https://lore.kernel.org/lkml/1529412794-17720-8-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic/bitops/ext2-atomic.h')
0 files changed, 0 insertions, 0 deletions