commit | c38425df20371ea977c38809cb1ebe8586171caf | [log] [tgz] |
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author | Guo Ren <guoren@linux.alibaba.com> | Sun Dec 20 07:10:23 2020 +0000 |
committer | Guo Ren <guoren@linux.alibaba.com> | Tue Jan 12 09:52:40 2021 +0800 |
tree | 8e3dcbd47112c76da5f4b2e4c9358966d6c69abd | |
parent | d6c5cb9f8c7584e961a5b04fa2553659e1b2cce7 [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>