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

[Sebastian Andrzej Siewior]

On 2023-02-23 17:53:48 [+0100], To Peter Zijlstra wrote:
> On 2023-02-22 14:36:14 [+0100], Peter Zijlstra wrote:
> > Which if the very few wait_task_inactive() users requires this?
> 
> ptrace is the remaining (known) one (just verified on v6.2-rt3).
> ptrace_check_attach() waits for the child which blocks on tasklist_lock.
> 
> tglx argued that wait_task_inactive() should work regardless of the
> task, that is being waited for, blocks on a sleeping lock.

a polite ping.

Sebastian