Re: [PATCHv2 06/29] x86/tdx: Add MSR support for TDX guests

From: Thomas Gleixner
Date: Wed Feb 02 2022 - 12:18:13 EST


On Wed, Feb 02 2022 at 16:06, Kirill A. Shutemov wrote:
> On Tue, Feb 01, 2022 at 10:38:05PM +0100, Thomas Gleixner wrote:
>> Hmm?
>
> No problem with this approach on read side.
>
> On the write side there's one important optimization (outside of the
> initial TDX enabling):
>
> https://github.com/intel/tdx/commit/2cea8becaa5a287c93266c01fc7f2a4ed53c509d
>
> It will require rework, maybe use separate __tdx_hypercall() for the
> paravirt call implementation.

Yes, but that's not the end of the world.

Thanks,

tglx