Re: [PATCH] KVM: PPC: Exit guest upon fatal machine check exception

[Aravinda Prasad <aravinda@linux.vnet.ibm.com>]

On Friday 13 November 2015 03:07 AM, Daniel Axtens wrote:
> Aravinda Prasad <aravinda@linux.vnet.ibm.com> writes:
> 
>>> <puts on CAPI hat>Yeah, it would be good not to break this.</hat>
>>
>> I am not familiar with CAPI. Does this affect CAPI?
> 
> When a CAPI card experiences an EEH event, any cache lines it holds are
> filled with SUEs (Special UEs, interpreted by the kernel the same as
> regular UEs). When these are read, we get an MCE. Currently CAPI does
> not support virtualisation, but that is actively being worked
> on. There's a _very_ good chance it will then be backported to various
> distros, which could have old qemu.
> 
> Therefore, I'd ideally like to make sure UEs in KVM guests work properly
> and continue to do so in all combinations of kernel and qemu. I'm
> following up the email from Mahesh that you linked: I'm not sure I quite
> follow his logic so I'll try to make sense of that and then get back to
> you.

sure. Thanks.

Regards,
Aravinda

> 
> Regards,
> Daniel
> 

-- 
Regards,
Aravinda