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| author | Eric Dumazet <edumazet@google.com> | 2015-03-16 17:14:34 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-16 23:32:23 +0300 |
| commit | 9f1ab18672bee992b6169bbfa2b5ae86b42e88a8 (patch) | |
| tree | eb41d9d508745c09bde7dd2b56dc83f6c9d0b0d6 /tools/perf/scripts/python/sctop.py | |
| parent | bd76a116707bd2381da36cf7c3183df11293f1d6 (diff) | |
| download | linux-9f1ab18672bee992b6169bbfa2b5ae86b42e88a8.tar.xz | |
tcp_metrics: fix wrong lockdep annotations
Changes in tcp_metric hash table are protected by tcp_metrics_lock
only, not by genl_mutex
While we are at it use deref_locked() instead of rcu_dereference()
in tcp_new() to avoid unnecessary barrier, as we hold tcp_metrics_lock
as well.
Reported-by: Andrew Vagin <avagin@parallels.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Fixes: 098a697b497e ("tcp_metrics: Use a single hash table for all network namespaces.")
Reviewed-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
0 files changed, 0 insertions, 0 deletions