AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

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

Browse Source 
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>
This commit is contained in:
Eric Dumazet 2016-11-15 10:15:12 -08:00 committed by David S. Miller
parent 217f697436
commit 21cb84c48c
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/net/busy_poll.h
View File

@ -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);
}