Message-ID: <5085E663.6040307@zytor.com>
Date: Mon, 22 Oct 2012 17:35:47 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: "Eric W. Biederman" <ebiederm@xmission.com>
CC: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>, linux-kernel@vger.kernel.org,
        kexec@lists.infradead.org, x86@kernel.org, mingo@elte.hu,
        tglx@linutronix.de, len.brown@intel.com, fenghua.yu@intel.com,
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Subject: Re: [PATCH v1 2/2] x86, apic: Disable BSP if boot cpu is AP
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On 10/22/2012 02:29 PM, Eric W. Biederman wrote:
>>
>> As I said, I thought Fenghua tried that but it didn't work, experimentally.
>
> Fair enough.  You described the problem with clearing bit 8 in a weird
> way.
>
> If the best we can muster are fuzzy memories it may be worth revisiting.
> Perhaps it works on enough cpu models to be interesting.
>

It isn't fuzzy memories... this was done as late as 1-2 months ago.  I 
just don't know the details.

Fenghua, could you help fill us in?

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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