Re: [PATCH 39/62] x86/sev-es: Harden runtime #VC handler for exceptions from user-space

[Andy Lutomirski]

On Tue, Feb 11, 2020 at 5:53 AM Joerg Roedel <joro@xxxxxxxxxx> wrote:
>
> From: Joerg Roedel <jroedel@xxxxxxx>
>
> Send SIGBUS to the user-space process that caused the #VC exception
> instead of killing the machine. Also ratelimit the error messages so
> that user-space can't flood the kernel log.

What would cause this?  CPUID?  Something else?

--Andy