On Thu, Jan 11, 2018 at 10:38:07AM -0800, Dave Hansen wrote: > On 01/11/2018 10:32 AM, Josh Poimboeuf wrote: > >> hmm. Exposing cr3 to user space will make it trivial for user process > >> to know whether kpti is active. Not sure how exploitable such > >> information leak. > > It's already trivial to detect PTI from user space. > > Do tell.
Probably because meltdown doesn't work anymore ? :-) Willy
