diff options
| author | Peter Zijlstra <[email protected]> | 2013-11-19 16:13:38 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2014-01-13 17:39:04 +0100 |
| commit | 1774e9f3e5c8b38de3b3bc8bd0eacd280f655baf (patch) | |
| tree | 97ac0e5f0a9352793c667d7deec15d8e4623ae3e | |
| parent | 8cb75e0c4ec9786b81439761eac1d18d4a931af3 (diff) | |
sched, net: Clean up preempt_enable_no_resched() abuse
The only valid use of preempt_enable_no_resched() is if the very next
line is schedule() or if we know preemption cannot actually be enabled
by that statement due to known more preempt_count 'refs'.
Reviewed-by: Thomas Gleixner <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: [email protected]
Cc: Eliezer Tamir <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Mike Galbraith <[email protected]>
Cc: [email protected]
Cc: Arjan van de Ven <[email protected]>
Cc: [email protected]
Cc: Linus Torvalds <[email protected]>
Cc: Andrew Morton <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | net/ipv4/tcp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index c4638e6f0238..82de78603686 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1623,11 +1623,11 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, (len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) && !sysctl_tcp_low_latency && net_dma_find_channel()) { - preempt_enable_no_resched(); + preempt_enable(); tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len); } else { - preempt_enable_no_resched(); + preempt_enable(); } } #endif |