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

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Message-ID: <20091114003652.GQ5129@outflux.net>
Date:	Fri, 13 Nov 2009 16:36:52 -0800
From:	Kees Cook <kees.cook@...onical.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, tglx@...utronix.de,
	x86@...nel.org
Subject: Re: [PATCH 0/5] x86: cleanup of NX enabling

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@...onical.com>

-- 
Kees Cook
Ubuntu Security Team
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