From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: Re: [PATCH] kvm: bios: Put AP boot up code to 0x1000
Date: Thu, 14 Aug 2008 09:08:38 +0300
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References: <200807311043.20880.sheng.yang@intel.com> <200808010919.00663.sheng.yang@intel.com> <033901c8f4d6$5b972570$0201a8c0@zeug> <200808051614.33138.sheng.yang@intel.com> <02a901c8f80f$940da820$0201a8c0@zeug> <489E9DAC.3030400@qumranet.com> <049b01c8fd98$90b27550$0201a8c0@zeug>
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Cc: "Yang, Sheng" <sheng.yang@intel.com>, kvm@vger.kernel.org
To: Sebastian Herbszt <herbszt@gmx.de>
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Sebastian Herbszt wrote:
> Avi Kivity wrote:
>>>
>>> The AP enters HALT state with IF=0. What can make it resume at the
>>> following "jmp 1b"? NMI? SMI?
>>>
>>
>> Yes, but also INIT.
>
> Are you sure the AP will continue after the hlt instruction on INIT?
> I think it will start to execute code from the reset vector (0xfffffff0).
>

I think an AP will actually wait for SIPI after INIT.  I misread the 
question.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.