On Tue, Jul 25, 2017 at 05:44:08PM -0700, Ricardo Neri wrote:
> On Fri, 2017-06-09 at 18:10 +0200, Borislav Petkov wrote:
> > On Fri, May 05, 2017 at 11:17:22AM -0700, Ricardo Neri wrote:
> > > User_mode Instruction Prevention (UMIP) is enabled by setting/clearing a
> > > bit in %cr4.
> > >
> > >
On Fri, 2017-06-09 at 18:10 +0200, Borislav Petkov wrote:
> On Fri, May 05, 2017 at 11:17:22AM -0700, Ricardo Neri wrote:
> > User_mode Instruction Prevention (UMIP) is enabled by setting/clearing a
> > bit in %cr4.
> >
> > It makes sense to enable UMIP at some point while booting, before user
> >
On Fri, May 05, 2017 at 11:17:22AM -0700, Ricardo Neri wrote:
> User_mode Instruction Prevention (UMIP) is enabled by setting/clearing a
> bit in %cr4.
>
> It makes sense to enable UMIP at some point while booting, before user
> spaces come up. Like SMAP and SMEP, is not critical to have it enable