Re: [RFC PATCH v2 27/27] x86/cet: Add arch_prctl functions for CET

From: Yu-cheng Yu
Date: Wed Jul 11 2018 - 17:06:19 EST


On Wed, 2018-07-11 at 14:19 +0200, Florian Weimer wrote:
> On 07/11/2018 12:26 AM, Yu-cheng Yu wrote:
> >
> > arch_prctl(ARCH_CET_DISABLE, unsigned long features)
> > ÂÂÂÂÂDisable SHSTK and/or IBT specified in 'features'.ÂÂReturn
> > -EPERM
> > ÂÂÂÂÂif CET is locked out.
> >
> > arch_prctl(ARCH_CET_LOCK)
> > ÂÂÂÂÂLock out CET feature.
> Isn't it a âlock inâ rather than a âlock outâ?

Yes, that makes more sense. ÂI will fix it.