linux-kernel - Re: [PATCH] NX protection for kernel data : fix 32 bits S3 suspend

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Message-ID: <4D4F6D7C.5090405@zytor.com>
Date:	Sun, 06 Feb 2011 19:56:44 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	castet.matthieu@...e.fr
CC:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-security-module@...r.kernel.org,
	Matthias Hopf <mhopf@...e.de>, rjw@...k.pl,
	Andrew Morton <akpm@...ux-foundation.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>
Subject: Re: [PATCH] NX protection for kernel data : fix 32 bits S3 suspend

On 02/05/2011 08:46 AM, castet.matthieu@...e.fr wrote:
> 
> Doing the setting in a arch_initcall make it work.
> 

Thinking about it, it's probably the sanest thing to do in the very
short term.  I don't get the #ifdef CONFIG_X86_32 bit in your patch,
though.  We reserve this area even on 64 bits, and so we should
logically do the same thing, if nothing else to avoid gratuitous
differences.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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