diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-09-21 20:28:15 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-10-01 19:09:54 +0100 |
| commit | 28b24f90020fed8e8e3e8e20575f08c1cd06e54f (patch) | |
| tree | 3fc7b7bd080580d56131a0a3b46468b1b1eea6f2 /include/trace | |
| parent | 2a4319cf3c83fc5d1997466196b99b3e14584e76 (diff) | |
| download | linux-28b24f90020fed8e8e3e8e20575f08c1cd06e54f.tar.gz | |
net: implement lockless SO_MAX_PACING_RATE
SO_MAX_PACING_RATE setsockopt() does not need to hold
the socket lock, because sk->sk_pacing_rate readers
can run fine if the value is changed by other threads,
after adding READ_ONCE() accessors.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/mptcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/trace/events/mptcp.h b/include/trace/events/mptcp.h index 563e48617374d..09e72215b9f9b 100644 --- a/include/trace/events/mptcp.h +++ b/include/trace/events/mptcp.h @@ -44,7 +44,7 @@ TRACE_EVENT(mptcp_subflow_get_send, ssk = mptcp_subflow_tcp_sock(subflow); if (ssk && sk_fullsock(ssk)) { __entry->snd_wnd = tcp_sk(ssk)->snd_wnd; - __entry->pace = ssk->sk_pacing_rate; + __entry->pace = READ_ONCE(ssk->sk_pacing_rate); } else { __entry->snd_wnd = 0; __entry->pace = 0; |