Re: [Xen-devel] [PATCH] X86/vMCE: guest broken page handling when migration

["Liu, Jinsong" <jinsong.liu@xxxxxxxxx>]

Jan Beulich wrote:
>>>> "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> 08/27/12 4:13 AM >>>
>> X86/vMCE: guest broken page handling when migration
>> 
>> This patch is used to handle guest broken page when migration.
>> 
>> At sender, the broken page would not be mapped, and the error page
>> content would not be copied to target, otherwise it may trigger more
>> serious error (i.e. SRAR error). While its pfn_type and pfn number
>> would be transferred to target so that target take appropriate
>> action. 
>> 
>> At target, it would set p2m as p2m_ram_broken for broken page, so
>> that 
>> if guest crazy access the broken page again, it would kill guest as
>> expected. 
> 
> Looks okay to me, but would also need looking at by a tools person of
> course. 
> 
> Please add to your series when you resubmit past-4.2.
> 

Yep. Ian/Keir, would you please help me to have a look at tools side, or 
recommend a person?

Thanks,
Jinsong

Attachment: 9_vmce_migration_pfntype_broken.patch
Description: 9_vmce_migration_pfntype_broken.patch

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