Re: [RFC v2-fix 1/1] x86/traps: Add #VE support for TDX guest

[Andi Kleen]

> > Only drivers that are not supported in TDX anyways could do it (mainly
> > watchdog drivers)
> What about apei_{read,write}() for ACPI error handling? Those are
> called in NMI to do MMIO accesses. It's not just watchdog drivers.

We expect the APEI stuff to be filtered in the normal case to reduce the 
attack surface. There's no use case for APEI error reporting in a 
normally operating TDX guest.

But yes that's why I wrote mainly. It should work in any case, we fully 
support #VE nesting after TDVEREPORT.

-Andi