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gre: convert hash tables locking to RCU
authorEric Dumazet <eric.dumazet@gmail.com>
Fri, 23 Oct 2009 06:14:38 +0000 (06:14 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 24 Oct 2009 13:07:59 +0000 (06:07 -0700)
commit8d5b2c084d2e71587e30a6ef528a8a8051e59dcd
treea66dd86d178eb5ce50a1704e085542ae3516e398tree | snapshot (tar.gz zip)
parent2922bc8aedfcd41ca6171cfe1a79ff111ad72019commit | diff
gre: convert hash tables locking to RCU

GRE tunnels use one rwlock to protect their hash tables.

This locking scheme can be converted to RCU for free, since netdevice
already must wait for a RCU grace period at dismantle time.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ip_gre.c diff | blob | blame | history