Re: [PATCH] x86/paravirt: Fix build PARAVIRT_XXL=y without XEN_PV

[Sathyanarayanan Kuppuswamy]

On 11/17/21 10:42 AM, Kirill A. Shutemov wrote:
> On Wed, Nov 17, 2021 at 07:35:01PM +0100, Peter Zijlstra wrote:
> > On Wed, Nov 17, 2021 at 09:14:39PM +0300, Kirill A. Shutemov wrote:
> > > TDX is going to use CONFIG_PARAVIRT_XXL
> >
> > *AARGGHHH*. srlsy? We were trying to cut back on that insanity, not
> > proliferate it.
>
> It is a way to minimize amount of changes needed for getting TDX
> functinal. We will remove the dependency later on.

TDX has a requirement to use HLT paravirt calls (which is currently
listed under PARAVIRT_XXL). Once we submit a patch to move it
under CONFIG_PARAVIRT, we will drop this dependency.

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer