Messages in this thread |  | | From | Kees Cook <> | Subject | Re: [PATCH v2] pstore: Switch pmsg_lock to an rt_mutex to avoid priority inversion | Date | Wed, 14 Dec 2022 19:42:26 -0800 |
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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
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