| commit | c6ed4d84a2c49de7d6f490144cca7b4a4831fb6e | [log] [tgz] |
|---|---|---|
| author | Bang Li <libang.linuxer@gmail.com> | Sat Mar 19 10:03:16 2022 +0800 |
| committer | Vineet Gupta <vgupta@kernel.org> | Mon Apr 18 14:47:05 2022 -0700 |
| tree | 8bd44a9893de75dde44a568294e510ae4aef87ab | |
| parent | ac411e41ec065daa867b5668b6e71ea1aff7b36a [diff] |
ARC: remove redundant READ_ONCE() in cmpxchg loop
This patch reverts commit 7082a29c22ac ("ARC: use ACCESS_ONCE in cmpxchg
loop").
It is not necessary to use READ_ONCE() because cmpxchg contains barrier. We
can get it from commit d57f727264f1 ("ARC: add compiler barrier to LLSC
based cmpxchg").
Signed-off-by: Bang Li <libang.linuxer@gmail.com>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>