From: Elliot Berman <quic_eberman@quicinc.com>
To: Carlos Llamas <cmllamas@google.com>,
Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Pavel Machek <pavel@ucw.cz>, Thomas Gleixner <tglx@linutronix.de>,
<kernel@quicinc.com>, <linux-arm-msm@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-pm@vger.kernel.org>,
"Prakash Viswalingam" <quic_prakashv@quicinc.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
<stable@vger.kernel.org>
Subject: Re: [PATCH v4 0/2] Avoid spurious freezer wakeups
Date: Tue, 26 Sep 2023 15:04:44 -0700 [thread overview]
Message-ID: <7db6eaee-af6d-492a-bc7c-23c6aa6bbdf8@quicinc.com> (raw)
In-Reply-To: <ZRNFeXZ4tRbT7ws6@google.com>
On 9/26/2023 1:56 PM, Carlos Llamas wrote:
> On Tue, Sep 26, 2023 at 10:02:38PM +0200, Peter Zijlstra wrote:
>> On Tue, Sep 26, 2023 at 04:17:33PM +0000, Carlos Llamas wrote:
>>>
>>> This issue is hurting the performance of our stable 6.1 releases. Does
>>> it make sense to backport these patches into stable branches once they
>>> land in mainline? I would assume we want to fix the perf regression
>>> there too?
>>
>> Note that these patches are in tip/sched/core, slated for the next merge
>> window.
>
> We can wait, no problem. I just wanted to make sure we also patch stable
> if needed. Elliot, would you be able to send a backport of your patches
> to stable once they land in mainline on the next merge window?
Yep, happy to send it. There's a trivial conflict to resolve w/older
kernels not having the new guard(...)(...) macros.
>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: stable@vger.kernel.org
>
> --
> Carlos Llamas
next prev parent reply other threads:[~2023-09-26 22:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-08 22:49 [PATCH v4 0/2] Avoid spurious freezer wakeups Elliot Berman
2023-09-08 22:49 ` [PATCH v4 1/2] sched/core: Remove ifdeffery for saved_state Elliot Berman
2023-09-08 22:49 ` [PATCH v4 2/2] freezer,sched: Use saved_state to reduce some spurious wakeups Elliot Berman
2023-09-11 15:49 ` [PATCH v4 0/2] Avoid spurious freezer wakeups Peter Zijlstra
2023-09-26 16:17 ` Carlos Llamas
2023-09-26 20:02 ` Peter Zijlstra
2023-09-26 20:56 ` Carlos Llamas
2023-09-26 22:04 ` Elliot Berman [this message]
2023-09-28 16:24 ` Elliot Berman
2023-10-03 13:01 ` Ingo Molnar
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