tree 11b8e0054461b9788d669215416655f112545670
parent 8e3d5be7368107f0c27a1f8126d79b01a47e9567
author Martin KaFai Lau <kafai@fb.com> 1442352609 -0700
committer David S. Miller <davem@davemloft.net> 1442353985 -0700

ipv6: Replace spinlock with seqlock and rcu in ip6_tunnel

This patch uses a seqlock to ensure consistency between idst->dst and
idst->cookie.  It also makes dst freeing from fib tree to undergo a
rcu grace period.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>