Re: [RFC v2 08/32] x86/traps: Add #VE support for TDX guest

From: Dave Hansen
Date: Thu May 13 2021 - 16:07:43 EST


On 5/13/21 12:47 PM, Andi Kleen wrote:
> "if there is any reason for it to nest the TD would shut down."

The TDX EAS says:

> If, when attempting to inject a #VE, the Intel TDX module discovers
> that the guest TD has not yet retrieved the information for a
> previous #VE (i.e., VE_INFO.VALID is not 0), the TDX module injects a
> #DF into the guest TD to indicate a #VE overrun.

How does that result in a shut down?