]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 8b652d9) | patch
csky: Fixup asm/cmpxchg.h with correct ordering barrier
authorGuo Ren <guoren@linux.alibaba.com>
Sun, 20 Dec 2020 07:10:23 +0000 (07:10 +0000)
committerGuo Ren <guoren@linux.alibaba.com>
Tue, 12 Jan 2021 01:52:40 +0000 (09:52 +0800)
commit5d2acfdb01a8e6c54a63a8212a5bf3b0372e4144
tree8e3dcbd47112c76da5f4b2e4c9358966d6c69abdtree | snapshot
parent8b652d9891c0262bd1e3df3786f95062ddd6aa28commit | diff
csky: Fixup asm/cmpxchg.h with correct ordering barrier

Optimize the performance of cmpxchg by using more fine-grained
acquire/release barriers.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul E. McKenney <paulmck@kernel.org>
arch/csky/include/asm/cmpxchg.h diff | blob | history
Linux Kernel Source Tree.