Re: [PATCH] x86/amd: Work around Erratum 1386 - XSAVES malfunction on context switch

[Borislav Petkov]

On Tue, Mar 07, 2023 at 08:01:36PM +0000, Andrew Cooper wrote:
> Sure, but why is that helpful?
> 
> XSAVES and XSAVEC are functionally identical on Zen1/2 because these
> CPUs don't advertise any supervisor XSAVE states.

I guess... We'll know soon enough.

> It is only Zen3 where XSAVES starts doing more than XSAVEC (and even
> then, only after the CET series actually gets merged...)

Yeah, latter should probably happen this time around. :-)

-- 
Regards/Gruss,
    Boris.

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