linux-kernel - Re: [PATCH v7 1/5] powerpc/85xx: implement hardware timebase sync

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Message-ID: <4FF5CAB5.5090904@freescale.com>
Date:	Thu, 5 Jul 2012 12:11:17 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
CC:	Tabi Timur-B04825 <B04825@...escale.com>,
	Zhao Chenhui-B35336 <B35336@...escale.com>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	Wood Scott-B07421 <B07421@...escale.com>,
	"galak@...nel.crashing.org" <galak@...nel.crashing.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Li Yang-R58472 <r58472@...escale.com>, <leoli@...escale.com>
Subject: Re: [PATCH v7 1/5] powerpc/85xx: implement hardware timebase sync

On 07/03/2012 10:45 PM, Zhao Chenhui wrote:
> On Tue, Jul 03, 2012 at 10:17:12PM -0500, Tabi Timur-B04825 wrote:
>> Zhao Chenhui wrote:
>>> If the guts variable is NULL, it indicates there is error in dts or kernel.
>>> We should fix the error, rather than ignore it.
>>
>> And that's why there's a warning message.  Crashing the kernel is not 
>> going to fix anything.
>>
> 
> This error likely crashes the kenel somewhere.

Only if you're doing cpu hotplug or kexec.

-Scott

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