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| author |   Thomas Graf <tgraf@suug.ch> | 2014-10-21 22:05:38 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-10-21 21:34:49 -0400 |
| commit | 78fd1d0ab072d4d9b5f0b7c14a1516665170b565 (patch) | |
| tree | b71cfdca2eb841bd75355f6d8e29c53739a50ee3 /kernel/bpf | |
| parent | tipc: fix lockdep warning when intra-node messages are delivered (diff) | |
| download | linux-dev-78fd1d0ab072d4d9b5f0b7c14a1516665170b565.tar.xz linux-dev-78fd1d0ab072d4d9b5f0b7c14a1516665170b565.zip | |
netlink: Re-add locking to netlink_lookup() and seq walker
The synchronize_rcu() in netlink_release() introduces unacceptable
latency. Reintroduce minimal lookup so we can drop the
synchronize_rcu() until socket destruction has been RCUfied.
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: Steinar H. Gunderson <sgunderson@bigfoot.com>
Reported-and-tested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/bpf')
0 files changed, 0 insertions, 0 deletions