Re: [RFC] KVM: SVM: ignore type when setting segment registers

[Gi-Oh Kim]

On Tue, May 30, 2017 at 8:03 PM, Matt Mullins <mmullins@xxxxxxx> wrote:
> On Tue, May 30, 2017 at 02:54:21PM +0200, Radim KrÄmÃÅ wrote:
>> 2017-05-29 15:24+0200, Gioh Kim:
>> > If so, why type is checked when setting segment registers?
>>
>> No idea.  19bca6ab75d8 ("KVM: SVM: Fix cross vendor migration issue with
>> unusable bit") also moved the assigment up to initialize it before use
>> and I think that is enough.
>
> Was this perhaps intended to instead check for a zero selector, which is also
> an unusable segment?

I think that is what present value is for.


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Best regards,
Gi-Oh Kim
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