Re: [PATCH RT 00/22] Linux 4.14.63-rt41-rc1

From: Sebastian Andrzej Siewior
Date: Thu Sep 06 2018 - 15:30:39 EST


On 2018-09-06 12:43:49 [-0400], Steven Rostedt wrote:
> > Your tree (v4.14.63) has
> > 80d20d35af1ed ("nohz: Fix local_timer_softirq_pending()")
> > 0a0e0829f9901 ("nohz: Fix missing tick reprogram when interrupting an
> > inline softirq")
> >
> > which means that the patch "nohz: Prevent erroneous tick stop
> > invocations" can be reverted / dropped. It might have clashed during the
> > emerge of the stable tree.
> >
>
> My tree also has this:
>
> commit 5536f5491a2e098
>
> softirq: keep the 'softirq pending' check RT-only
>
> The patch "nohz: Prevent erroneous tick stop invocations" was merged
> differently upstream. The original issue where a slow box could lock up
> with a pending timer remained. I currently assume that this is a RT only
> issue and keep the patch as RT only.
>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
>
>
> What needs to be done?

This commit can be removed / reverted. The two commits (80d20d35af1ed
and 0a0e0829f9901) fix the issue and this duct-tape commit
(5536f5491a2e098) is no longer required.

> -- Steve

Sebastian