From: Greg KH <gregkh@linuxfoundation.org>
To: Zhang Qiao <zhangqiao22@huawei.com>
Cc: Sasha Levin <sashal@kernel.org>,
stable-commits@vger.kernel.org, stable@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Daniel Bristot de Oliveira <bristot@redhat.com>,
Valentin Schneider <vschneid@redhat.com>
Subject: Re: Patch "sched/fair: sanitize vruntime of entity being placed" has been added to the 4.14-stable tree
Date: Mon, 6 Mar 2023 10:19:30 +0100 [thread overview]
Message-ID: <ZAWwIrMQ2EUikr6t@kroah.com> (raw)
In-Reply-To: <cf0108ec-d949-a5ab-7367-f358b6685873@huawei.com>
On Mon, Mar 06, 2023 at 04:31:57PM +0800, Zhang Qiao wrote:
>
>
> 在 2023/3/5 12:02, Sasha Levin 写道:
> > This is a note to let you know that I've just added the patch titled
> >
> > sched/fair: sanitize vruntime of entity being placed
> >
> > to the 4.14-stable tree which can be found at:
> > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> >
> > The filename of the patch is:
> > sched-fair-sanitize-vruntime-of-entity-being-placed.patch
> > and it can be found in the queue-4.14 subdirectory.
> >
> > If you, or anyone else, feels it should not be added to the stable tree,
> > please let <stable@vger.kernel.org> know about it.
> >
> >
> >
> > commit 38247e1de3305a6ef644404ac818bc6129440eae
>
> Hi,
> This patch has significant impact on the hackbench.throughput [1].
> Please don't backport this patch.
>
> [1] https://lore.kernel.org/lkml/202302211553.9738f304-yujie.liu@intel.com/T/#u
This link says it made hackbench.throughput faster, not slower, so why
would we NOT want it?
confused,
greg k-h
next prev parent reply other threads:[~2023-03-06 9:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230305040248.1787312-1-sashal@kernel.org>
2023-03-06 8:31 ` Patch "sched/fair: sanitize vruntime of entity being placed" has been added to the 4.14-stable tree Zhang Qiao
2023-03-06 9:19 ` Greg KH [this message]
2023-03-06 9:28 ` Zhang Qiao
2023-03-06 10:05 ` Greg KH
2023-03-06 10:51 ` Zhang Qiao
2023-03-07 15:23 ` Greg KH
2023-03-28 9:02 ` Zhang Qiao
2023-03-28 12:46 ` Greg KH
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