From: Avi Kivity <avi@qumranet.com>
To: Sebastian Herbszt <herbszt@gmx.de>
Cc: "Yang, Sheng" <sheng.yang@intel.com>, kvm@vger.kernel.org
Subject: Re: [PATCH] kvm: bios: Put AP boot up code to 0x1000
Date: Thu, 14 Aug 2008 09:08:38 +0300 [thread overview]
Message-ID: <48A3CBE6.9010007@qumranet.com> (raw)
In-Reply-To: <049b01c8fd98$90b27550$0201a8c0@zeug>
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.
next prev parent reply other threads:[~2008-08-14 6:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-31 2:43 [PATCH] kvm: bios: Put AP boot up code to 0x1000 Yang, Sheng
2008-07-31 6:00 ` Yang, Sheng
2008-07-31 6:41 ` Avi Kivity
2008-07-31 9:09 ` Yang, Sheng
2008-07-31 9:46 ` Avi Kivity
2008-08-01 15:49 ` H. Peter Anvin
2008-07-31 21:15 ` Sebastian Herbszt
2008-08-01 1:19 ` Yang, Sheng
2008-08-02 19:30 ` Sebastian Herbszt
2008-08-05 8:14 ` Yang, Sheng
2008-08-06 21:56 ` Sebastian Herbszt
2008-08-10 7:50 ` Avi Kivity
2008-08-13 23:00 ` Sebastian Herbszt
2008-08-14 6:08 ` Avi Kivity [this message]
2008-08-17 22:35 ` [PATCH] kvm: bios: end AP boot code execution in rombios Sebastian Herbszt
2008-08-18 2:33 ` Anthony Liguori
2008-08-18 2:45 ` Yang, Sheng
2008-08-18 10:21 ` Avi Kivity
2008-08-18 10:22 ` Avi Kivity
2008-08-19 23:06 ` Sebastian Herbszt
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