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| author | Liao Chang <liaochang1@huawei.com> | 2025-01-24 12:38:25 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-02-03 13:46:06 +0300 |
| commit | eae8a56ae0c74c1cf2f92a6709d215a9f329f60c (patch) | |
| tree | fbb8d85795a85247c991a43162e52fb10891e228 /tools/perf/scripts/python/flamegraph.py | |
| parent | fa5d0a824e3bbd1f793d962f9e012ab0a8ee11c5 (diff) | |
| download | linux-eae8a56ae0c74c1cf2f92a6709d215a9f329f60c.tar.xz | |
uprobes: Remove redundant spinlock in uprobe_deny_signal()
Since clearing a bit in thread_info is an atomic operation, the spinlock
is redundant and can be removed, reducing lock contention is good for
performance.
Signed-off-by: Liao Chang <liaochang1@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250124093826.2123675-2-liaochang1@huawei.com
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions