diff options
| author | Will Deacon <[email protected]> | 2015-05-29 14:47:59 +0100 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2015-07-27 15:28:52 +0100 |
| commit | 4e39715f4b5cb3b44576fedb2d38aca87de3cf48 (patch) | |
| tree | 1e4c60ef5714188ba60fe309c7feada21dcff076 /lib/netdev-notifier-error-inject.c | |
| parent | 0bc671d3f4bee9c31110d096ada0de52380e693d (diff) | |
arm64: cmpxchg: avoid memory barrier on comparison failure
cmpxchg doesn't require memory barrier semantics when the value
comparison fails, so make the barrier conditional on success.
Reviewed-by: Steve Capper <[email protected]>
Reviewed-by: Catalin Marinas <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Diffstat (limited to 'lib/netdev-notifier-error-inject.c')
0 files changed, 0 insertions, 0 deletions