From: Davidlohr Bueso <[email protected]> Since most guests will have paging enabled for memory management, add likely() optimization around CR0.PG checks.
Signed-off-by: Davidlohr Bueso <[email protected]> --- arch/x86/kvm/x86.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index cb80c29..3d1134d 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -64,7 +64,7 @@ static inline int is_pse(struct kvm_vcpu *vcpu) static inline int is_paging(struct kvm_vcpu *vcpu) { - return kvm_read_cr0_bits(vcpu, X86_CR0_PG); + return likely(kvm_read_cr0_bits(vcpu, X86_CR0_PG)); } static inline u32 bit(int bitno) -- 1.7.8.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
