Guo Ren c38425df20 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>

2021-01-12 09:52:40 +08:00

1.8 KiB

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