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(parent: 83cd5eb) | patch
ipv6: lockless IPV6_MTU_DISCOVER implementation
authorEric Dumazet <edumazet@google.com>
Tue, 12 Sep 2023 16:02:11 +0000 (16:02 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Sep 2023 09:33:48 +0000 (10:33 +0100)
commit6b724bc4300b431443f3b99520994a5aece347cd
tree02730c15dc86341705749df48ed87b7ca84688c1tree
parent83cd5eb654b320c1972254f243531f3f3cebcccfcommit | diff
ipv6: lockless IPV6_MTU_DISCOVER implementation

Most np->pmtudisc reads are racy.

Move this 3bit field on a full byte, add annotations
and make IPV6_MTU_DISCOVER setsockopt() lockless.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/ipv6.h diff | blob | blame | history
include/net/ip6_route.h diff | blob | blame | history
net/ipv6/ip6_output.c diff | blob | blame | history
net/ipv6/ipv6_sockglue.c diff | blob | blame | history
net/ipv6/raw.c diff | blob | blame | history
net/ipv6/udp.c diff | blob | blame | history
net/netfilter/ipvs/ip_vs_sync.c diff | blob | blame | history
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