On 5/16/2023 5:30 PM, Peter Zijlstra wrote:

On Mon, May 15, 2023 at 12:59:03PM -0400, Tianyu Lan wrote:

quoted

From: Tianyu Lan<redacted>

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.

Hi Peter:
	Thanks for your review. Will add more explanation in the next version.