Re: [PATCH v7 3/3] sched/uclamp: Fix a deadlock when enabling uclamp static key

From: Qais Yousef
Date: Thu Jul 23 2020 - 11:51:26 EST


On 07/16/20 12:13, Qais Yousef wrote:
> On 07/16/20 12:03, Qais Yousef wrote:
>
> [...]
>
> > Fix by ensuring we enable the key outside of the critical section in
> > __sched_setscheduler()
> >
> > Fixes: 46609ce22703 ("sched/uclamp: Protect uclamp fast path code with static key")
> > Signed-off-by: Qais Yousef <qais.yousef@xxxxxxx>
>
> I am assuming this Fixes tag is still valid given the patch is only in
> tip/sched/core only. And that the hash value won't change after Linus merges
> it.

Gentle ping that this patch is actually a fix that I happened to uncover while
testing this series.

Happy to send separately. It should apply on its own too as it has no
dependency on previous patches.

Thanks

--
Qais Yousef