Address comments.

va/va.go

@@ -474,10 +474,10 @@ type remoteResult interface {
 var _ remoteResult = (*vapb.ValidationResult)(nil)
 var _ remoteResult = (*vapb.IsCAAValidResponse)(nil)
 
-// performRemoteOperation performs the provided operation and request on all
-// remote VAs. It cancels the operation and returns early if either the required
-// number of successful results is obtained or the number of failures exceeds
-// va.maxRemoteFailures.
+// performRemoteOperation concurrently calls the provided operation with `req` and a
+// RemoteVA once for each configured RemoteVA. It cancels remaining operations and returns
+// early if either the required number of successful results is obtained or the number of
+// failures exceeds va.maxRemoteFailures.
 //
 // Internal logic errors are logged. If the number of operation failures exceeds
 // va.maxRemoteFailures, the first encountered problem is returned as a

va/va_test.go

@@ -474,7 +474,7 @@ func TestPerformRemoteOperation(t *testing.T) {
 					ProblemType: string(probs.BadNonceProblem),
 					Detail:      "quite surprising",
 				}
-				return &vapb.ValidationResult{Problem: prob, Perspective: rva.Perspective}, nil
+				return &vapb.ValidationResult{Problem: prob, Perspective: rva.Perspective, Rir: rva.RIR}, nil
 			},
 		},
 		{
@@ -487,7 +487,7 @@ func TestPerformRemoteOperation(t *testing.T) {
 					ProblemType: string(probs.PausedProblem),
 					Detail:      "quite surprising, indeed",
 				}
-				return &vapb.IsCAAValidResponse{Problem: prob, Perspective: rva.Perspective}, nil
+				return &vapb.IsCAAValidResponse{Problem: prob, Perspective: rva.Perspective, Rir: rva.RIR}, nil
 			},
 		},
 		{
@@ -500,7 +500,7 @@ func TestPerformRemoteOperation(t *testing.T) {
 					ProblemType: string(probs.BadPublicKeyProblem),
 					Detail:      "a shocking result",
 				}
-				return &vapb.ValidationResult{Problem: prob, Perspective: rva.Perspective}, nil
+				return &vapb.ValidationResult{Problem: prob, Perspective: rva.Perspective, Rir: rva.RIR}, nil
 			},
 		},
 	}