On Sat, 2016-10-29 at 19:06 +0200, Andrey Konovalov wrote: > Hi Cong, > > Tested with your patch, still getting a warning, though it's a little different: > > ------------[ cut here ]------------ > WARNING: CPU: 1 PID: 3876 at kernel/sched/core.c:7724 > __might_sleep+0x14c/0x1a0 kernel/sched/core.c:7719 > do not call blocking ops when !TASK_RUNNING; state=1 set at > [<ffffffff811f5a5c>] prepare_to_wait+0xbc/0x210 > kernel/sched/wait.c:178 > Modules linked in: This looks like the following patch is needed, can you test it ? Thanks ! diff --git a/net/dccp/output.c b/net/dccp/output.c index b66c84db0766..74d8583a0d52 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -228,6 +228,7 @@ static int dccp_wait_for_ccid(struct sock *sk, unsigned long delay) remaining = schedule_timeout(delay); + sched_annotate_sleep(); lock_sock(sk); sk->sk_write_pending--; finish_wait(sk_sleep(sk), &wait); -- To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
