Re: [PATCH v2] pstore: Switch pmsg_lock to an rt_mutex to avoid priority inversion

[Kees Cook]

On Wed, 14 Dec 2022 23:18:34 +0000, John Stultz wrote:
> Wei Wang reported seeing priority inversion caused latencies
> caused by contention on pmsg_lock, and suggested it be switched
> to a rt_mutex.
> 
> I was initially hesitant this would help, as the tasks in that
> trace all seemed to be SCHED_NORMAL, so the benefit would be
> limited to only nice boosting.
> 
> [...]

Applied to for-next/pstore, thanks!

[1/1] pstore: Switch pmsg_lock to an rt_mutex to avoid priority inversion
      https://git.kernel.org/kees/c/76d62f24db07

-- 
Kees Cook