lkml.org 
[lkml]   [2023]   [Aug]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/6] Backport rework of deadline bandwidth restoration for 6.1.y
On 08/21/23 15:26, Greg KH wrote:
> 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?

Beside being tunneled visioned towards LTS only, nope.

They apply cleanly on 6.4.y and preparing the patches now. I'm not sure I can
run any tests on 6.4.y though except maybe boot test on qemu.

Waiting for compile tests to finish and will post shortly.


Thanks!

--
Qais Yousef

\
 
 \ /
  Last update: 2023-08-22 00:00    [W:0.331 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site