Re: [PATCH RT 1/2] softirq: Avoid "local_softirq_pending" messages if ksoftirqd is blocked

2019-02-19 Thread Sebastian Andrzej Siewior
On 2019-02-19 17:27:41 [+0100], Juri Lelli wrote: > It is better. Warning message doesn't appear anymore. Okay, thanks. Sebastian

Re: [PATCH RT 1/2] softirq: Avoid "local_softirq_pending" messages if ksoftirqd is blocked

2019-02-19 Thread Juri Lelli
On 19/02/19 17:06, Sebastian Andrzej Siewior wrote: > On 2019-02-19 15:58:26 [+0100], Juri Lelli wrote: > > Hi, > Hi, > > > I've been seeing those messages while running some stress tests (hog > > tasks pinned to CPUs). > > > > Have yet to see them after I applied this patch earlier this morning

Re: [PATCH RT 1/2] softirq: Avoid "local_softirq_pending" messages if ksoftirqd is blocked

2019-02-19 Thread Sebastian Andrzej Siewior
On 2019-02-19 15:58:26 [+0100], Juri Lelli wrote: > Hi, Hi, > I've been seeing those messages while running some stress tests (hog > tasks pinned to CPUs). > > Have yet to see them after I applied this patch earlier this morning (it > usually took not much time to reproduce). So is it better or

Re: [PATCH RT 1/2] softirq: Avoid "local_softirq_pending" messages if ksoftirqd is blocked

2019-02-19 Thread Juri Lelli
Hi, On 18/02/19 17:31, Sebastian Andrzej Siewior wrote: > If the ksoftirqd thread has a softirq pending and is blocked on the > `local_softirq_locks' lock then softirq_check_pending_idle() won't > complain because the "lock owner" will mask away this softirq from the > mask of pending softirqs. >

[PATCH RT 1/2] softirq: Avoid "local_softirq_pending" messages if ksoftirqd is blocked

2019-02-18 Thread Sebastian Andrzej Siewior
If the ksoftirqd thread has a softirq pending and is blocked on the `local_softirq_locks' lock then softirq_check_pending_idle() won't complain because the "lock owner" will mask away this softirq from the mask of pending softirqs. If ksoftirqd has an additional softirq pending then it won't be mas