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authorJeremy Fitzhardinge <jeremy@goop.org>2008-06-25 00:19:21 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 07:11:08 -0400
commit4f30cb0262847392d8d006042f24bd90abd24f9d (patch)
tree5eafa7f22e8c6272aa23833a0d58bd0aa2bb51d4 /include/asm-x86/required-features.h
parent7c934d3990aa4d785feddcef700f4c2c4aba2251 (diff)
x86, 64-bit: PSE no longer a hard requirement
Because Xen doesn't support PSE mappings in guests, all code which assumed the presence of PSE has been changed to fall back to smaller mappings if necessary. As a result, PSE is optional rather than required (though still used whereever possible). Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/required-features.h')
-rw-r--r--include/asm-x86/required-features.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h
index 8c387198ca88..adec887dd7cd 100644
--- a/include/asm-x86/required-features.h
+++ b/include/asm-x86/required-features.h
@@ -42,7 +42,7 @@
42#endif 42#endif
43 43
44#ifdef CONFIG_X86_64 44#ifdef CONFIG_X86_64
45#define NEED_PSE (1<<(X86_FEATURE_PSE & 31)) 45#define NEED_PSE 0
46#define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) 46#define NEED_MSR (1<<(X86_FEATURE_MSR & 31))
47#define NEED_PGE (1<<(X86_FEATURE_PGE & 31)) 47#define NEED_PGE (1<<(X86_FEATURE_PGE & 31))
48#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) 48#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31))