Re: [PATCH 0/5] x86: cleanup of NX enabling

Kees Cook
2009-11-14T00:37:57Z

On Fri, Nov 13, 2009 at 03:28:17PM -0800, H. Peter Anvin wrote:
> Posting this patch series for review; I intend to commit it to
> tip:x86/mm unless someone objects over the next few days.
>
> This came about based on Kees' original patch to give better dmesg
> information about the status of NX availability.

FWIW, I tested this stack of patches (in an earlier form) with the
following configurations and confirmed expected behavior:

- 64-bit, 64-bit noexec=off
- 32-bit pae with nx bit, x86_32 pae with nx bit noexec=off
- 32-bit pae without nx bit
- 32-bit non-pae

Acked-by: Kees Cook <kees.cook@canonical.com>

--
Kees Cook
Ubuntu Security Team