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

From: Matt Mullins
Date: Tue May 30 2017 - 14:11:04 EST


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?