Messages in this thread | | | Date | Sun, 15 Mar 2009 14:25:58 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH 12/24] x86-64: remove PGE from must-have feature list |
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H. Peter Anvin wrote: >> --- 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)) >> > > This should be conditionalized on CONFIG_PARAVIRT, since doing this > removes real-hardware optimimizations. >
OK. Can do the same for PSE.
J
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