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(parent: b071af5) | patch
ipv6: remove one read_lock()/read_unlock() pair in rt6_check_neigh()
authorEric Dumazet <edumazet@google.com>
Mon, 13 Mar 2023 20:17:32 +0000 (20:17 +0000)
committerJakub Kicinski <kuba@kernel.org>
Wed, 15 Mar 2023 07:37:33 +0000 (00:37 -0700)
commitc486640aa710ddd06c13a7f7162126e1552e8842
tree0611835d7b618d97f31bdc1a592542c5352b636ftree | snapshot
parentb071af523579df7341cabf0f16fc661125e9a13fcommit | diff
ipv6: remove one read_lock()/read_unlock() pair in rt6_check_neigh()

rt6_check_neigh() uses read_lock() to protect n->nud_state reading.

This seems overkill and causes false sharing.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/ipv6/route.c diff | blob | history
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