Re: [PATCH net-next 2/2] ipv6: annotate data-races around np->ucast_oif

On 12/8/23 3:12 AM, Eric Dumazet wrote:

np->ucast_oif is read locklessly in some contexts.

Make all accesses to this field lockless, adding appropriate
annotations.

This also makes setsockopt( IPV6_UNICAST_IF ) lockless.

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 net/ipv6/datagram.c      |  2 +-
 net/ipv6/icmp.c          |  4 +--
 net/ipv6/ipv6_sockglue.c | 58 ++++++++++++++++++----------------------
 net/ipv6/ping.c          |  4 +--
 net/ipv6/raw.c           |  2 +-
 net/ipv6/udp.c           |  2 +-
 net/l2tp/l2tp_ip6.c      |  2 +-
 7 files changed, 34 insertions(+), 40 deletions(-)

Reviewed-by: David Ahern <dsahern@kernel.org>