linux-kernel - Re: powerpc/pmac/smp: Add missing FROZEN hotplug notifier transitions

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Message-Id: <3rrTvV41TWz9sC4@ozlabs.org>
Date:	Fri, 15 Jul 2016 20:53:42 +1000 (AEST)
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Anna-Maria Gleixner <anna-maria@...utronix.de>,
	linux-kernel@...r.kernel.org
Cc:	linuxppc-dev@...ts.ozlabs.org,
	Anna-Maria Gleixner <anna-maria@...utronix.de>,
	rt@...utronix.de
Subject: Re: powerpc/pmac/smp: Add missing FROZEN hotplug notifier transitions

On Mon, 2016-04-04 at 09:30:01 UTC, Anna-Maria Gleixner wrote:
> The FROZEN transitions are used when a CPU suspends/resumes. In case
> of a suspend/resume, only the up prepare (CPU_UP_PREPARE_FROZEN) is
> handled. The error handling transition CPU_UP_CANCELED_FROZEN as well
> as the CPU_ONLINE_FROZEN transition are not handled.
> 
> Masking the switch case action argument with ~CPU_TASKS_FROZEN, to
> handle all FROZEN tasks the same way than the corresponding non frozen
> tasks.
> 
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: linuxppc-dev@...ts.ozlabs.org
> Signed-off-by: Anna-Maria Gleixner <anna-maria@...utronix.de>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/c011926fcbeb9565599f278148

cheers