does VMX mode has the capability to detect previously non trappable sensitive instructions ?

[M_R_]

does VMX mode provides the virtualisation systems architect with the capability to detect previously non trappable sensitive instructions ? thanks

[Quoc-Thai_L_Intel]

I found this answer from Stackoverflow:

"YES - According to pages 13 through 17 of this Virtualization and Virtual Machines presentation, hardware virtualization seems to be an attempt to solve that problem.

The pdf @prl posted also says on slide 45:

if a guest kernel runs a sensitive instruction, hardware does a 'VM exit' back to the VMM, indicates which instruction trapped

"