From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Qais Yousef <qyousef@layalina.io>
Cc: stable@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>
Subject: Re: [PATCH v2 00/10] Backport uclamp vs margin fixes into 5.10.y
Date: Tue, 18 Apr 2023 15:23:43 +0200 [thread overview]
Message-ID: <2023041815-quack-professed-6b2c@gregkh> (raw)
In-Reply-To: <20230418130309.rzk7sqy2dzvgcllx@airbuntu>
On Tue, Apr 18, 2023 at 02:03:09PM +0100, Qais Yousef wrote:
> Hi
>
> On 03/18/23 17:39, Qais Yousef wrote:
> > Changes in v2:
> > * Fix compilation error against patch 7 due to misiplace #endif to
> > protect against CONFIG_SMP which doesn't contain the newly added
> > field to struct rq.
> >
> > Commit 2ff401441711 ("sched/uclamp: Fix relationship between uclamp and
> > migration margin") was cherry-picked into 5.10 kernels but missed the rest of
> > the series.
> >
> > This ports the remainder of the fixes.
> >
> > Based on 5.10.172.
> >
> > NOTE:
> >
> > a2e90611b9f4 ("sched/fair: Remove capacity inversion detection") is not
> > necessary to backport because it has a dependency on e5ed0550c04c ("sched/fair:
> > unlink misfit task from cpu overutilized") which is nice to have but not
> > strictly required. It improves the search for best CPU under adverse thermal
> > pressure to try harder. And the new search effectively replaces the capacity
> > inversion detection, so it is removed afterwards.
> >
> > Build tested on (cross compile when necessary; x86_64 otherwise):
> >
> > 1. default ubuntu config which has uclamp + smp
> > 2. default ubuntu config without uclamp + smp
> > 3. default ubunto config without smp (which automatically disables
> > uclamp)
> > 4. reported riscv-allnoconfig, mips-randconfig, x86_64-randocnfigs
> >
> > Tested on 5.10 Android GKI kernel and android device (with slight modifications
> > due to other conflicts on there).
>
> Just checking if this has slipped through the cracks or it's on the queue just
> waiting for the right time to be picked up. There's a similar backport for 5.15
> too.
Did you miss my response a few hours ago:
https://lore.kernel.org/r/2023041842-treachery-esophagus-7727@gregkh
prev parent reply other threads:[~2023-04-18 13:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-18 17:39 [PATCH v2 00/10] Backport uclamp vs margin fixes into 5.10.y Qais Yousef
2023-03-18 17:39 ` [PATCH v2 01/10] sched/uclamp: Make task_fits_capacity() use util_fits_cpu() Qais Yousef
2023-03-18 17:39 ` [PATCH v2 02/10] sched/uclamp: Fix fits_capacity() check in feec() Qais Yousef
2023-03-18 17:39 ` [PATCH v2 03/10] sched/uclamp: Make select_idle_capacity() use util_fits_cpu() Qais Yousef
2023-03-18 17:39 ` [PATCH v2 04/10] sched/uclamp: Make asym_fits_capacity() " Qais Yousef
2023-03-18 17:39 ` [PATCH v2 05/10] sched/uclamp: Make cpu_overutilized() " Qais Yousef
2023-03-18 17:39 ` [PATCH v2 06/10] sched/uclamp: Cater for uclamp in find_energy_efficient_cpu()'s early exit condition Qais Yousef
2023-03-18 17:39 ` [PATCH v2 07/10] sched/fair: Detect capacity inversion Qais Yousef
2023-03-18 17:39 ` [PATCH v2 08/10] sched/fair: Consider capacity inversion in util_fits_cpu() Qais Yousef
2023-03-18 17:39 ` [PATCH v2 09/10] sched/uclamp: Fix a uninitialized variable warnings Qais Yousef
2023-03-18 17:39 ` [PATCH v2 10/10] sched/fair: Fixes for capacity inversion detection Qais Yousef
2023-04-18 13:03 ` [PATCH v2 00/10] Backport uclamp vs margin fixes into 5.10.y Qais Yousef
2023-04-18 13:23 ` Greg Kroah-Hartman [this message]
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