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
> >
I am sorry Boris, I also missed this feedback.
On Fri, 2017-06-09 at 15:02 +0200, Borislav Petkov wrote:
> On Fri, May 05, 2017 at 11:17:21AM -0700, Ricardo Neri wrote:
> > If the User-Mode Instruction Prevention CPU feature is available and
> > enabled, a general protection fault will be issued i
On Fri, 2017-06-09 at 13:02 +0200, Borislav Petkov wrote:
> On Fri, May 05, 2017 at 11:17:20AM -0700, Ricardo Neri wrote:
> > fixup_umip_exception() will be called from do_general_protection. If the
> ^
>
I am sorry Boris, while working on this series I missed a few of your
feedback comments.
On Wed, 2017-06-07 at 17:48 +0200, Borislav Petkov wrote:
> On Fri, May 05, 2017 at 11:17:14AM -0700, Ricardo Neri wrote:
> > The 32-bit and 64-bit address encodings are identical. This means that we
> > can u