[PATCH] KVM: PPC: Exit guest upon fatal machine check exception
Aravinda Prasad
aravinda at linux.vnet.ibm.com
Fri Nov 13 04:22:06 AEDT 2015
On Thursday 12 November 2015 10:28 AM, Daniel Axtens wrote:
>
>> So, IIUC. Once the qemu pieces are in place as well it shouldn't
>> change this behaviour: KVM will exit to qemu, qemu will log the error
>> information (new), then reinject the MC to the guest which can still
>> handle it as you describe above.
>
> Ah, that makes *much* more sense now! Thanks for the explanation: I
> don't really follow qemu development.
>
>>
>> But, there could be a problem if you have a new kernel with an old
>> qemu, in that case qemu might not understand the new exit type and
>> treat it as a fatal error, even though the guest could actually cope
>> with it.
>>
>> Aravinda, do we need to change this so that qemu has to explicitly
>> enable the new NMI behaviour? Or have I missed something that will
>> make that case work already.
>
> <puts on CAPI hat>Yeah, it would be good not to break this.</hat>
I am not familiar with CAPI. Does this affect CAPI?
Regards,
Aravinda
>
> Regards,
> Daniel
>
>
>> --
>> David Gibson | I'll have my music baroque, and my code
>> david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
>> | _way_ _around_!
>> http://www.ozlabs.org/~dgibson
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--
Regards,
Aravinda
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