Re: [PATCH v2 5/6] x86/cpu: Remove "noexec"

From: Sean Christopherson
Date: Tue Feb 08 2022 - 12:40:33 EST


On Mon, Feb 07, 2022, Kees Cook wrote:
> On Thu, Jan 27, 2022 at 12:56:25PM +0100, Borislav Petkov wrote:
> > From: Borislav Petkov <bp@xxxxxxx>
> >
> > It doesn't make any sense to disable non-executable mappings -
> > security-wise or else.

Heh, I've actually used noexec relatively recently to triage KVM goofs. That
said, the same net result can still be achieved via clearcpuid=52, so I've no
objection to removing the dedicated parameter.