KVM: x86 emulator: add (set|get)_dr callbacks to x86_emulate_ops

Add (set|get)_dr callbacks to x86_emulate_ops instead of calling
them directly.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 69a64a6..c37296d 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -137,6 +137,8 @@
 	void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu);
 	int (*cpl)(struct kvm_vcpu *vcpu);
 	void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
+	int (*get_dr)(int dr, unsigned long *dest, struct kvm_vcpu *vcpu);
+	int (*set_dr)(int dr, unsigned long value, struct kvm_vcpu *vcpu);
 };
 
 /* Type, address-of, and value of an instruction's operand. */