Re: [RFC v2-fix-v2 1/1] x86/boot: Avoid #VE during boot for TDX platforms

[Kuppuswamy, Sathyanarayanan]

On 5/21/21 11:30 AM, Dave Hansen wrote:
> That sounds sane to me.  It would be nice to get this into the
> changelog.  Perhaps:
>
> 	This theoretically makes guest boot more fragile.  If, for
> 	instance, EER was set up incorrectly and a WRMSR was performed,
> 	the resulting (unhandled) #VE would triple fault.  However, this
> 	is likely to trip up the guest BIOS long before control reaches
> 	the kernel.  In any case, these kinds of problems are unlikely
> 	to occur in production environments, and developers have good
> 	debug tools to fix them quickly.
>
> That would put my mind at ease a bit.

I can add it to change log.

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer