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RE: [Xen-devel] [PATCH] X86 MCE: Add SRAR handler

To: Jan Beulich <JBeulich@xxxxxxxx>, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>
Subject: RE: [Xen-devel] [PATCH] X86 MCE: Add SRAR handler
From: "Liu, Jinsong" <jinsong.liu@xxxxxxxxx>
Date: Fri, 30 Sep 2011 18:11:28 +0800
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Thread-topic: [Xen-devel] [PATCH] X86 MCE: Add SRAR handler
Jan Beulich wrote:
>>>> On 30.09.11 at 11:42, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote:
>> Jan Beulich wrote:
>>>>>> On 30.09.11 at 10:21, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx>
>>>>>> wrote: 
>>>> Executing guest code will not satisfy the check
>>>> if ( !(gstatus & MCG_STATUS_RIPV) && !guest_mode(regs))    return -1;
>>>> so it would not panic system.
>>> 
>>> Exactly. But it should when the prefetch was to hypervisor code.
>>> 
>> 
>> Wouldn't processor refresh instruction prefetch queue under such
>> case? 
> 
> That's a question that you are better positioned to answer than me.
> But the SRAR errors being a sub-category of uncorrected errors I
> would think it can't be that simple.
> 

Hmm, I will check this question internally first.
BTW, we would have 7 days holiday (1/10 ~ 7/10), so email reply maybe some slow.

Thanks,
Jinsong
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