Il 10/07/2014 10:55, Jan Kiszka ha scritto:
>> > + /*
>> > + * SVM spec doesn't require the platform to track the G bit for all
>> > + * segments, so similar to CS, let's synthesize this bit for all
>> > + * segments.
> Either I misunderstand the reference to CS or it does no longer apply
> once the patch is in. I would suggest to remove that part of the sentence.
Something like this:
/*
* The SVM spec doesn't require the platform to track the 'G' bit for
* all segments. Current processors track it for all segments except
* CS, but other hypervisors may not do so. So let's synthesize this
* bit always to help running KVM nested. It also helps cross-vendor
* migration, because Intel's vmentry has a check on the 'G' bit.
*/
Paolo
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