Commit a4ab9d0c authored by Nadav Amit's avatar Nadav Amit Committed by Paolo Bonzini
Browse files

KVM: vmx: handle_dr does not handle RSP correctly 



The RSP register is not automatically cached, causing mov DR instruction with
RSP to fail.  Instead the regular register accessing interface should be used.

Signed-off-by: default avatarNadav Amit <namit@cs.technion.ac.il>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 4291b588

arch/x86/kvm/vmx.c

+1 −1
Original line number Diff line number Diff line
@@ -5143,7 +5143,7 @@ static int handle_dr(struct kvm_vcpu *vcpu) 
			return 1;

		kvm_register_write(vcpu, reg, val);

	} else

		if (kvm_set_dr(vcpu, dr, vcpu->arch.regs[reg]))

		if (kvm_set_dr(vcpu, dr, kvm_register_read(vcpu, reg)))

			return 1;



	skip_emulated_instruction(vcpu);