476 bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr)  in kvm_require_dr()  argument
478 	if ((dr != 4 && dr != 5) || !kvm_read_cr4_bits(vcpu, X86_CR4_DE))  in kvm_require_dr()
858 static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)  in __kvm_set_dr()  argument
860 	switch (dr) {  in __kvm_set_dr()
862 		vcpu->arch.db[dr] = val;  in __kvm_set_dr()
864 			vcpu->arch.eff_db[dr] = val;  in __kvm_set_dr()
887 int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)  in kvm_set_dr()  argument
889 	if (__kvm_set_dr(vcpu, dr, val)) {  in kvm_set_dr()
897 int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val)  in kvm_get_dr()  argument
899 	switch (dr) {  in kvm_get_dr()
901 		*val = vcpu->arch.db[dr];  in kvm_get_dr()
4695 static int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,  in emulator_get_dr()  argument
4698 	return kvm_get_dr(emul_to_vcpu(ctxt), dr, dest);  in emulator_get_dr()
4701 static int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,  in emulator_set_dr()  argument
4705 	return __kvm_set_dr(emul_to_vcpu(ctxt), dr, value);  in emulator_set_dr()