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xen-devel
[Xen-devel] [PATCH 12/24] x86-64: remove PGE from must-have feature list
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
PGE may not be available when running paravirtualized, so test the cpuid
bit before using it.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
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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- [Xen-devel] [GIT PULL] 2.6.30 Xen core updates, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 02/24] xen: separate p2m allocation from setting, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 01/24] xen: disable preempt for leave_lazy_mmu, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 04/24] xen: split construction of p2m mfn tables from registration, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 03/24] xen: dynamically allocate p2m tables, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 06/24] xen: make xen_load_gdt simpler, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 07/24] xen: remove xen_load_gdt debug, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 05/24] xen: clean up xen_load_gdt, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 12/24] x86-64: remove PGE from must-have feature list,
Jeremy Fitzhardinge <=
- [Xen-devel] [PATCH 08/24] xen: reserve i386 Xen pagetables, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 09/24] NULL noise: arch/x86/xen/smp.c, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 10/24] xen: mask XSAVE from cpuid, Jeremy Fitzhardinge
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