Re: [PATCH v19 039/130] KVM: TDX: initialize VM with TDX specific parameters

Edgecombe, Rick P
2024-03-28T18:26:54Z

On Thu, 2024-03-28 at 09:36 +0800, Xiaoyao Li wrote:
> > > > Any reason to mask off non-configurable bits rather than return an error? this
> > > > is misleading to userspace because guest sees the values emulated by TDX module
> > > > instead of the values passed from userspace (i.e., the request from userspace
> > > > isn't done but there is no indication of that to userspace).
> > >
> > > Ok, I'll eliminate them.  If user space passes wrong cpuids, TDX module will
> > > return error. I'll leave the error check to the TDX module.
> >
> > I was just looking at this. Agreed. It breaks the selftests though.
>
> If all you prefer to go this direction, then please update the error
> handling of this specific SEAMCALL.

What do you mean by SEAMCALL, TDH_MNG_INIT? Can you be more specific?