Commit 21cb84c4 authored Nov 15, 2016 by Eric Dumazet Committed by David S. Miller Nov 16, 2016

net: busy-poll: remove need_resched() from sk_can_busy_loop()

Now sk_busy_loop() can schedule by itself, we can remove
need_resched() check from sk_can_busy_loop()

Also add a const to its struct sock parameter.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Adam Belay <abelay@google.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Yuval Mintz <Yuval.Mintz@cavium.com>
Cc: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 217f6974

include/net/busy_poll.h

+2 −3

Original line number	Diff line number	Diff line
		@@ -58,10 +58,9 @@ static inline unsigned long busy_loop_end_time(void)
		return busy_loop_us_clock() + ACCESS_ONCE(sysctl_net_busy_poll);
		}

		static inline bool sk_can_busy_loop(struct sock *sk)
		static inline bool sk_can_busy_loop(const struct sock *sk)
		{
		return sk->sk_ll_usec && sk->sk_napi_id &&
		!need_resched() && !signal_pending(current);
		return sk->sk_ll_usec && sk->sk_napi_id && !signal_pending(current);
		}