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| author |   Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-03-16 17:08:48 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-03-30 09:25:31 -0700 |
| commit | 5f241e65f2be4661a33e1937e1c829252a80b2b8 (patch) | |
| tree | 691e99a19ecd0345b3b8b73bc150b8ccec89d2c8 /arch | |
| parent | Xen: Add virt_to_pfn helper function (diff) | |
| download | linux-dev-5f241e65f2be4661a33e1937e1c829252a80b2b8.tar.xz linux-dev-5f241e65f2be4661a33e1937e1c829252a80b2b8.zip | |
x86-64: non-paravirt systems always has PSE and PGE
A paravirtualized system may not have PSE or PGE available to
guests, so they are not required features. However, without
paravirt we can assume that any x86-64 implementation will have
them available.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/required-features.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h index a4737dddfd58..64cf2d24fad1 100644 --- a/arch/x86/include/asm/required-features.h +++ b/arch/x86/include/asm/required-features.h @@ -48,9 +48,15 @@ #endif #ifdef CONFIG_X86_64 +#ifdef CONFIG_PARAVIRT +/* Paravirtualized systems may not have PSE or PGE available */ #define NEED_PSE 0 -#define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) #define NEED_PGE 0 +#else +#define NEED_PSE (1<<(X86_FEATURE_PSE) & 31) +#define NEED_PGE (1<<(X86_FEATURE_PGE) & 31) +#endif +#define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) #define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) #define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) #define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) |