On Tue, 18 Dec 2018, Davidlohr Bueso wrote:
+void wake_q_add_safe(struct wake_q_head *head, struct task_struct *task)
+{
+ if (!__wake_q_add(head, task))
+ get_task_struct(task);
*sigh* and this should be put().
Are you missing some text here?
Nah this was a leftover, I was just removing it in v3.
Thanks.
8<---
[PATCH v3] sched/wake_q: Reduce reference counting for special users
Some users, specifically futexes and rwsems, required fixe
On 12/18/2018 01:54 PM, Davidlohr Bueso wrote:
> Some users, specifically futexes and rwsems, required fixes
> that allowed the callers to be safe when wakeups occur before
> they are expected by wake_up_q(). Such scenarios also play
> games and rely on reference counting, and until now were
> pivo
Some users, specifically futexes and rwsems, required fixes
that allowed the callers to be safe when wakeups occur before
they are expected by wake_up_q(). Such scenarios also play
games and rely on reference counting, and until now were
pivoting on wake_q doing it. With the wake_q_add() call bein
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