Re: v4.11.12-rt10 - hotplug lockdep splat

From: Sebastian Andrzej Siewior
Date: Mon Sep 04 2017 - 10:58:26 EST


On 2017-09-03 04:48:10 [+0200], Mike Galbraith wrote:
> Missed a spot. ÂWith this on top, lockdep went silent.
>
> kernel/hrtimer/hotplug: don't wake ktimersoftd while holding the hrtimer base lock
>
> kernel/hrtimer: don't wakeup a process while holding the hrtimer base lock
> missed a path, namely hrtimers_dead_cpu() -> migrate_hrtimer_list(). Defer
> raising softirq until after base lock has been released there as well.
>
> Signed-off-by: Mike Galbraith <efault@xxxxxx>
Thank you, applied.

Sebastian