Re: [PATCH 0/6] Backport rework of deadline bandwidth restoration for 6.1.y

From: Greg KH
Date: Mon Aug 21 2023 - 09:26:09 EST


On Sun, Aug 20, 2023 at 04:24:11PM +0100, Qais Yousef wrote:
> This is a backport of the series that fixes the way deadline bandwidth
> restoration is done which is causing noticeable delay on resume path. It also
> converts the cpuset lock back into a mutex which some users on Android too.
> I lack the details but AFAIU the read/write semaphore was slower on high
> contention.
>
> Compile tested against some randconfig for different archs and tested against
> android14-6.1 GKI kernel.
>
> My testing is limited to resume path only; and general phone usage to make sure
> nothing falls apart. Would be good to have some deadline specific testing done
> too.
>
> Based on v6.1.46

I can't take these for only some branches, as you know. Any reason why
you didn't also do 6.4.y?

thanks,

greg k-h