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Message-ID: <9e878731c9b447ee5e8318237822c492@www.linutronix.de>
Date:	Fri, 15 Jul 2016 01:37:15 +0200
From:	Anna-Maria Gleixner <anna-maria@...utronix.de>
To:	Anton Blanchard <anton@...ba.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>, <rt@...utronix.de>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Christophe Jaillet <christophe.jaillet@...adoo.fr>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com>,
	Paul Mackerras <paulus@...ba.org>,
	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
	<linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [patch V2 30/67] powerpc/numa: Convert to hotplug state machine

Hi,

On 2016-07-14 23:42, Anton Blanchard wrote:
> Hi,
>
>> From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
>>
>> Install the callbacks via the state machine and let the core invoke
>> the callbacks on the already online CPUs.
>
> This is causing an oops on ppc64le QEMU, looks like a NULL pointer:

Did you tested it against tip WIP.hotplug?

Regards,
      Anna-Maria

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