Re: [Xen-devel] [Lguest] lguest: unhandled trap 13 and CONFIG_MICROCODE_INTEL_EARLY

["H. Peter Anvin" <hpa@xxxxxxxxx>]

On 05/06/2013 10:18 PM, Rusty Russell wrote:
> 
> All this stuff (OLPC and early microcode) probably belongs after we jump
> to the platform handler: the microcode calls to native_cpuid() is a clue
> that we're doing something *badly* wrong.
> 
> It's easy enough for lguest to decode and skip the unsupported
> instructions, though I've preferred not to do that.
> 

Depends on the platform, but yes, it applies to native, CE4100, and
Moorestown/SFI platforms, but not Xen or lguest, so that pretty much
makes sense.

        -hpa



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