linux-kernel - Re: [PATCH 4.19 05/87] sched/core: Dont skip remote tick for idle CPUs

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Message-ID: <20200304151559.GB2367@duo.ucw.cz>
Date:   Wed, 4 Mar 2020 16:15:59 +0100
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Scott Wood <swood@...hat.com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 05/87] sched/core: Dont skip remote tick for idle
 CPUs

Hi!

> [ Upstream commit 488603b815a7514c7009e6fc339d74ed4a30f343 ]
> 
> This will be used in the next patch to get a loadavg update from
> nohz cpus.  The delta check is skipped because idle_sched_class
> doesn't update se.exec_start.

I don't see the next patch queued for 4.19-stable. AFAICT this does
not fix anything without the subsequent patch?

Best regards,
								Pavel
								
> Signed-off-by: Scott Wood <swood@...hat.com>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> Signed-off-by: Ingo Molnar <mingo@...nel.org>
> Link: https://lkml.kernel.org/r/1578736419-14628-2-git-send-email-swood@redhat.com
> Signed-off-by: Sasha Levin <sashal@...nel.org>

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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