Re: [RFC PATCH v2 6/6] x86/entry/pti: don't switch PGD on when pti_disable is set
From
Dave Hansen <>
Date
Thu, 11 Jan 2018 10:38:07 -0800
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.