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SubjectRe: [PATCH 08/12] KVM: x86: save/load state on SMM switch


On 21/05/2015 18:20, Radim Krčmář wrote:
>
>> > + set_desc_base(&desc, get_smstate(u32, smbase, offset + 8));
>> > + set_desc_limit(&desc, get_smstate(u32, smbase, offset + 4));
>> > + rsm_set_desc_flags(&desc, get_smstate(u32, smbase, offset));
> (There wan't a layout where this would be right, so we could save the
> shifting of those flags in 64 bit mode. Intel P6 was close, and they
> had only 2 bytes for access right, which means they weren't shifted.)

Check the AMD architecture manual.

Paolo


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