Re: [PATCH] sched: Consider task_struct::saved_state in wait_task_inactive().

[Peter Zijlstra]

On Thu, Jun 01, 2023 at 11:12:34AM +0200, Peter Zijlstra wrote:
> On Fri, May 26, 2023 at 05:13:35PM +0200, Sebastian Andrzej Siewior wrote:
> > On 2023-05-26 10:05:43 [+0200], Peter Zijlstra wrote:
> > > New day, new chances... How's this? Code-gen doesn't look totally
> > > insane, but then, making sense of an optimizing compiler's output is
> > > always a wee challenge.
> > 
> > Noticed it too late but looks good. Tested, works.
> 
> Excellent; full patch below. Will go stick in tip/sched/core soonish.

Urgh, so robot kicked me for breaking !SMP. And that made me realize
that UP wait_task_inactive() is broken on PREEMPT_RT.

Let me figure out what best to do about that..