gre: convert hash tables locking to RCU

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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>

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Eric Dumazet 2009-10-23 06:14:38 +00:00 • committed by David S. Miller

parent 2922bc8aed

commit 8d5b2c084d

1 changed files with 23 additions and 17 deletions

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net/ipv4/ip_gre.c

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