On Mon, May 15, 2023 at 12:59:03PM -0400, Tianyu Lan wrote:
> From: Tianyu Lan <tiala@microsoft.com>
> 
> Add a #HV exception handler that uses IST stack.
> 

Urgh.. that is entirely insufficient. Like it doesn't even begin to
start to cover things.

The whole existing VC IST stack abuse is already a nightmare and you're
duplicating that.. without any explanation for why this would be needed
and how it is correct.

Please try again.