Re: [PATCH RT 03/25] sched/deadline: Ensure inactive_timer runs in hardirq context

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Hi,

On 24/02/20 09:33, Sebastian Andrzej Siewior wrote:
> On 2020-02-21 15:24:31 [-0600], zanussi@xxxxxxxxxx wrote:
> > [ Upstream commit ba94e7aed7405c58251b1380e6e7d73aa8284b41 ]
> > 
> > SCHED_DEADLINE inactive timer needs to run in hardirq context (as
> > dl_task_timer already does) on PREEMPT_RT
> 
> The message says "dl_task_timer already does" but this is not true for
> v4.14 as it still runs in softirq context on RT. v4.19 has this either
> via
>   https://lkml.kernel.org/r/20190731103715.4047-1-juri.lelli@xxxxxxxxxx
> 
> or the patch which got merged upstream.
> 
> Juri, I guess we want this for v4.14, too?

Indeed. v4.14 needs this as well.

Thanks for noticing!

Best,

Juri




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