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| author | Bang Li <[email protected]> | 2022-03-19 02:03:16 +0000 |
|---|---|---|
| committer | Vineet Gupta <[email protected]> | 2022-04-18 21:47:05 +0000 |
| commit | c6ed4d84a2c49de7d6f490144cca7b4a4831fb6e (patch) | |
| tree | 8bd44a9893de75dde44a568294e510ae4aef87ab /tools/perf/scripts/python | |
| parent | ARC: atomic: cleanup atomic-llsc definitions (diff) | |
| download | kernel-c6ed4d84a2c49de7d6f490144cca7b4a4831fb6e.tar.gz kernel-c6ed4d84a2c49de7d6f490144cca7b4a4831fb6e.zip | |
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 <[email protected]>
Signed-off-by: Vineet Gupta <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions