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| author | Uros Bizjak <ubizjak@gmail.com> | 2022-10-17 16:52:26 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-18 13:55:06 -0800 |
| commit | 6a6d7602caec1b49dda423b0d15a8c4f72c9c73d (patch) | |
| tree | 59032d176d8d1229607e1bece6487369cc9282b2 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | add891f68d9d17dece8e1592c5e59a484fb7090e (diff) | |
llist: avoid extra memory read in llist_add_batch
try_cmpxchg implicitly assigns old head->first value to "first" when
cmpxchg fails. There is no need to re-read the value in the loop.
Link: https://lkml.kernel.org/r/20221017145226.4044-1-ubizjak@gmail.com
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions