Messages in this thread | | | Date | Thu, 16 Feb 2023 16:05:45 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: rtmutex, pi_blocked_on, and blk_flush_plug() |
| |
On 2023-02-16 15:18:03 [+0100], To Crystal Wood wrote: > On 2023-02-09 22:31:57 [-0600], Crystal Wood wrote: > > Hello! Hi,
> - spinlock_t invokes schedule_rtlock() which avoids sched_submit_work(). > This is the behaviour as with !RT because it spins and does not submit > work either. > rwlock_t should be have the same way but invokes schedule() instead. > This looks wrong. And it could deadlock in sched_submit_work().
I have to correct myself. Also for rwlock_t it uses schedule_rtlock() which means it does not invoke sched_submit_work().
There there I don't expect any deadlock here.
> > -Crystal
Sebastian
| |