Re: [PATCHv2 03/29] x86/tdx: Add __tdx_module_call() and __tdx_hypercall() helper functions

Thomas Gleixner
2022-02-02T17:08:18Z

Kirill,

On Wed, Feb 02 2022 at 05:55, Kirill A. Shutemov wrote:
> On Tue, Feb 01, 2022 at 08:58:59PM +0100, Thomas Gleixner wrote:
> Okay, below is my take on addressing feedback for both __tdx_module_call()
> and __tdx_hypercall().
>
> It is fixup for whole patchset. It has to be folded accordingly. I wanted
> to check if it works and see if I understand your request correctly.
>
> __tdx_module_call() is now implemented by including tdxcall.S can using
> the macro defined there. Host side of TDX can do the same on their side.
> TDX_MODULE_* offsets are now outside of CONFIG_INTEL_TDX_GUEST and can be
> used by both host can guest.
>
> I changed __tdx_hypercall() to take single argument with struct pointer
> that used for both input and output.
>
> Is it the right direction? Or did I misunderstand something?

Looks good. Nice consolidation and I like the idea of using one
structure for in and out.

Thanks,

tglx