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alistair23-linux
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KVM: x86: add paging gcc optimization 

Since most guests will have paging enabled for memory management, add likely() optimization
around CR0.PG checks.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
hifive-unleashed-5.1
Davidlohr Bueso 2012-03-08 12:45:54 +01:00 committed by Avi Kivity
parent e9bda3b3d0
commit c36fc04ef5
1 changed files with 1 additions and 1 deletions
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arch/x86/kvm/x86.h
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@ -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)