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Message-Id: <1236931920-6861-13-git-send-email-jeremy@goop.org>
Date: Fri, 13 Mar 2009 01:11:48 -0700
From: Jeremy Fitzhardinge <jeremy@...p.org>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: the arch/x86 maintainers <x86@...nel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Xen-devel <xen-devel@...ts.xensource.com>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: [PATCH 12/24] x86-64: remove PGE from must-have feature list
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
PGE may not be available when running paravirtualized, so test the cpuid
bit before using it.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
arch/x86/include/asm/required-features.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h
index d5cd6c5..a4737dd 100644
--- a/arch/x86/include/asm/required-features.h
+++ b/arch/x86/include/asm/required-features.h
@@ -50,7 +50,7 @@
#ifdef CONFIG_X86_64
#define NEED_PSE 0
#define NEED_MSR (1<<(X86_FEATURE_MSR & 31))
-#define NEED_PGE (1<<(X86_FEATURE_PGE & 31))
+#define NEED_PGE 0
#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31))
#define NEED_XMM (1<<(X86_FEATURE_XMM & 31))
#define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31))
--
1.6.0.6
--
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