tcp: fix RFS vs lockless listeners
Before recent TCP listener patches, we were updating listener sk->sk_rxhash before the cloning of master socket. children sk_rxhash was therefore correct after the normal 3WHS. But with lockless listener, we no longer dirty/change listener sk_rxhash as it would be racy. We need to correctly update the child sk_rxhash, otherwise first data packet wont hit correct cpu if RFS is used. Fixes: 079096f1 ("tcp/dccp: install syn_recv requests into ehash table") Signed-off-by:Eric Dumazet <edumazet@google.com> Reported-by:
Willem de Bruijn <willemb@google.com> Cc: Tom Herbert <tom@herbertland.com> Acked-by:
Tom Herbert <tom@herbertland.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
5010ea59
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