From: H. Peter Anvin <hpa@zytor.com>
Date: Fri, 13 Nov 2009 23:28:13 +0000 (-0800)
Subject: x86-32: Use symbolic constants, safer CPUID when enabling EFER.NX
X-Git-Tag: v2.6.33-rc1~374^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a50e5135af0c243e117e94e27feb8d149c879b4;p=pandora-kernel.git

x86-32: Use symbolic constants, safer CPUID when enabling EFER.NX

Use symbolic constants rather than hard-coded values when setting
EFER.NX in head_32.S, and do a more rigorous test for the validity of
the response when probing for the extended CPUID range.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <1258154897-6770-2-git-send-email-hpa@zytor.com>
Acked-by: Kees Cook <kees.cook@canonical.com>
---

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