On Thu, Mar 09, 2023 at 08:19:58AM -0600, Tom Lendacky wrote: > I believe Joerg added that key for performance reasons, since it is used on > the exception path and can avoid all the calls to cc_platform_has(). I think > that key should stay. Yes, that is right. The key is mainly for the NMI entry path which can be performance relevant in some situations. For SEV-ES some special handling is needed there to re-enable NMIs and adjust the #VC stack in case it was raised on the VC-handlers entry path. Regards, Joerg
