Re: [PATCH 1/4] x86/tdx: Introduce tdg_vm_wr()

[Kirill A. Shutemov]

On Sat, Mar 09, 2024 at 04:02:58PM -0800, Kuppuswamy Sathyanarayanan wrote:
> > +       /* Old value */
> > +       return args.r8;
> 
> Since the update failure will panic, any use for returning the old value?

I don't have any immediate users for the old value, but I can imagine
situation when you need to do something else if your write result in
actual change of setting.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov