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Date: Fri, 19 Mar 2010 12:04:24 -0700
From: Yinghai Lu <yinghai@kernel.org>
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Ian Campbell <Ian.Campbell@citrix.com>,
       Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@elte.hu>,
       linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Infinite loop on boot in free_early_partial due to start==end
 on tip/master
References: <1267801390.11737.38014.camel@zakaz.uk.xensource.com> <20100319182807.GA14985@phenom.dumpdata.com>
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On 03/19/2010 11:28 AM, Konrad Rzeszutek Wilk wrote:
>> Subject: x86: do not free zero sized per cpu areas
>>
>> This avoids an infinite loop in free_early_partial().
> 
> The patch fixed PV guests booting on Xen. I've added my
> Tested-by .. Please merge it in the release.
> 
> Thanks!
>>
>> Add a warning to free_early_partial to catch future problems.
>>
>> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> 
> Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

please check update version...

please check if this patch help...

http://patchwork.kernel.org/patch/83832/


YH