KVM: VMX: downgrade warning on unexpected exit code

We never needed the call trace and we better rate-limit if it can be
triggered by a guest.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 98e82ee1e6996671f912a152dec5367baea45b80..e7ec88961b1a45b081f750b64edd7aaff4827c6b 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8501,7 +8501,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
            && kvm_vmx_exit_handlers[exit_reason])
                return kvm_vmx_exit_handlers[exit_reason](vcpu);
        else {
-               WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_reason);
+               vcpu_unimpl(vcpu, "vmx: unexpected exit reason 0x%x\n",
+                               exit_reason);
                kvm_queue_exception(vcpu, UD_VECTOR);
                return 1;
        }