diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-06-25 00:19:21 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 07:11:08 -0400 |
| commit | 4f30cb0262847392d8d006042f24bd90abd24f9d (patch) | |
| tree | 5eafa7f22e8c6272aa23833a0d58bd0aa2bb51d4 /include/asm-x86/required-features.h | |
| parent | 7c934d3990aa4d785feddcef700f4c2c4aba2251 (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.h | 2 |
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)) |