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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: khilman@baylibre.com
Cc: sudeep.holla@arm.com, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, marc.zyngier@arm.com,
	tglx@linutronix.de
Subject: Re: [PATCH 1/2] Revert "tick: Prefer a lower rating device only if it's CPU local device"
Date: Mon, 9 Jul 2018 23:46:20 +0200	[thread overview]
Message-ID: <CAFBinCA6gZ9fw0yGvs_FWuGoZG-d2CL2R5qYp3_u1T=Atn8tgA@mail.gmail.com> (raw)
In-Reply-To: <CAOi56cWaeh+c9+OgpxdjTarnRdaKrNFC=ddBPT2j9v1rHT8EOg@mail.gmail.com>

On Mon, Jul 9, 2018 at 8:24 PM Kevin Hilman <khilman@baylibre.com> wrote:
>
> On Mon, Jul 9, 2018 at 8:45 AM Sudeep Holla <sudeep.holla@arm.com> wrote:
> >
> > This reverts commit 1332a90558013ae4242e3dd7934bdcdeafb06c0d.
> >
> > The original issue was not because of incorrect checking of cpumask for
> > both new and old tick device. It was incorrectly analysed was due to the
> > misunderstanding of the comment and misinterpretation of the return
> > value from tick_check_preferred. The main issue is with the clockevent
> > driver that sets the cpumask to cpu_all_mask instead of cpu_possible_mask.
> >
> > Cc: Thomas Gleixner <tglx@linutronix.de>
> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
>
> Tested-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

> And verified to fix a regression on the 32-bit ARM platform mesion8b-odroidc1.
I also tested it on Meson8b as well as Meson8m2


Regards
Martin

  reply	other threads:[~2018-07-09 21:46 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-09 15:45 [PATCH 1/2] Revert "tick: Prefer a lower rating device only if it's CPU local device" Sudeep Holla
2018-07-09 15:45 ` [PATCH 2/2] clocksource: arm_arch_timer: set arch_mem_timer cpumask to cpu_possible_mask Sudeep Holla
2018-07-09 22:09   ` Thomas Gleixner
2018-07-10 10:29     ` Sudeep Holla
2018-07-10 12:21       ` Thomas Gleixner
2018-07-10 13:25         ` Sudeep Holla
2018-07-10 20:21           ` Thomas Gleixner
2018-07-10 20:16   ` [tip:timers/urgent] clocksource: arm_arch_timer: Set " tip-bot for Sudeep Holla
2018-07-09 18:24 ` [PATCH 1/2] Revert "tick: Prefer a lower rating device only if it's CPU local device" Kevin Hilman
2018-07-09 21:46   ` Martin Blumenstingl [this message]
2018-07-10 20:15 ` [tip:timers/urgent] " tip-bot for Sudeep Holla

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