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Message-ID: <823f7b14-864f-6d60-99f7-e22c64e16488@kernel.org> Date: Thu, 14 Sep 2023 09:11:11 -0600 From: David Ahern <dsahern@...nel.org> To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: netdev@...r.kernel.org, eric.dumazet@...il.com Subject: Re: [PATCH net-next 14/14] ipv6: lockless IPV6_FLOWINFO_SEND implementation On 9/12/23 10:02 AM, Eric Dumazet wrote: > np->sndflow reads are racy. > > Use one bit ftom atomic inet->inet_flags instead, > IPV6_FLOWINFO_SEND setsockopt() can be lockless. > > Signed-off-by: Eric Dumazet <edumazet@...gle.com> > --- > include/linux/ipv6.h | 3 +-- > include/net/inet_sock.h | 1 + > net/dccp/ipv6.c | 2 +- > net/ipv4/ping.c | 3 +-- > net/ipv6/af_inet6.c | 2 +- > net/ipv6/datagram.c | 7 ++++--- > net/ipv6/ipv6_sockglue.c | 13 ++++++------- > net/ipv6/ping.c | 2 +- > net/ipv6/raw.c | 2 +- > net/ipv6/tcp_ipv6.c | 2 +- > net/ipv6/udp.c | 2 +- > net/l2tp/l2tp_ip6.c | 4 ++-- > net/sctp/ipv6.c | 3 ++- > 13 files changed, 23 insertions(+), 23 deletions(-) > Reviewed-by: David Ahern <dsahern@...nel.org>
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