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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2011-07-28 04:32:25 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-08-01 00:12:00 -0700 |
| commit | 89b0212697e92bc59a021a2338cd8c09f919325c (patch) | |
| tree | 633279786602d3677ea5c4959528aa00219afed2 /net/nonet.c | |
| parent | ipv6: avoid a dst_entry refcount change in ipv6_destopt_rcv() (diff) | |
| download | linux-dev-89b0212697e92bc59a021a2338cd8c09f919325c.tar.xz linux-dev-89b0212697e92bc59a021a2338cd8c09f919325c.zip | |
ip6tnl: avoid touching dst refcount in ip6_tnl_xmit2()
Even using percpu stats, we still hit tunnel dst_entry refcount in
ip6_tnl_xmit2()
Since we are in RCU locked section, we can use skb_dst_set_noref() and
avoid these atomic operations, leaving dst shared on cpus.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/nonet.c')
0 files changed, 0 insertions, 0 deletions