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Commit 471842ec authored by Gleb Natapov's avatar Gleb Natapov Committed by Avi Kivity
Browse files

KVM: do not de-cache cr4 bits needlessly 



Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent bd6360cc

arch/x86/kvm/x86.c

+1 −1
Original line number Diff line number Diff line
@@ -635,7 +635,7 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) 
	}



	if (is_long_mode(vcpu)) {

		if (kvm_read_cr4(vcpu) & X86_CR4_PCIDE) {

		if (kvm_read_cr4_bits(vcpu, X86_CR4_PCIDE)) {

			if (cr3 & CR3_PCID_ENABLED_RESERVED_BITS)

				return 1;

		} else