On Thu, Apr 27, 2023 at 1:53 PM Juri Lelli <juri.lelli@xxxxxxxxxx> wrote: > > Hi, > > On 27/04/23 10:58, Xuewen Yan wrote: > > HI Juri, > > > > Would this patch be merged tobe stable-rc? In kernel5.15, we also find > > that the rwsem would be blocked for a long time, when we change the > > task's cpuset cgroup. > > And when we revert to the mutex, the delay would disappear. > > Honestly, I'm not sure. This change is mostly improving performance, but > it is also true that it's fixing some priority inheritance corner cases. > So, I'm not sure it qualifies for stable, but it would be probably good to > have it there. > Dear Juri, Thanks for the reply! We will test more in kernel5.15. Thanks! BR > Thanks, > Juri >
