Re: [Qemu-devel] [Patch V2 1/2] x86, mce: Basic support to add LMCE support to QEMU

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On Mon, Dec 14, 2015 at 07:17:27PM -0500, Raj, Ashok wrote:
> I can see how this hurts.. since the poller isn't doing cpu model
> specific stuff..?

The poller sees mca_cfg.ser set on an AMD guest and then the whole
handling/decoding goes wrong.

> in the LMCE case, even if you advertise MCG_LMCE_P in MCG_CAP, the
> guest kernel wont call intel_init_lmce() only from mce_intel.c.. so
> the same problem won't happen.

You shouldn't advertise MCG_LMCE_P if the guest is not Intel. Those MCG
bits should be in the CPU model descriptor X86CPUDefinition.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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