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| author | Eric Dumazet <edumazet@google.com> | 2021-11-15 22:02:43 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-11-16 16:10:34 +0300 |
| commit | 7b6a893a5991f5e8a56795155ae86333b03080b7 (patch) | |
| tree | b4b56acb67359121477091e1512aacb6016a570a /tools/perf/scripts/python/stackcollapse.py | |
| parent | 0307a0b74b3af6ecb1c8b7f727376130b15bbf44 (diff) | |
| download | linux-7b6a893a5991f5e8a56795155ae86333b03080b7.tar.xz | |
tcp: annotate races around tp->urg_data
tcp_poll() and tcp_ioctl() are reading tp->urg_data without socket lock
owned.
Also, it is faster to first check tp->urg_data in tcp_poll(),
then tp->urg_seq == tp->copied_seq, because tp->urg_seq is
located in a different/cold cache line.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions