torture: Avoid script syntax error when insufficient CPUs

Parentheses are special to bash, so use an overflow flag that doesn't
use them.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 368d64ac779e52e1cb787564bc1ddcc880e91ec5..dd2812ceb0baba2bb4f39343e428582e9619179f 100755 (executable)
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -310,7 +310,7 @@ function dump(first, pastlast)
                        cfr[jn] = cf[j] "." cfrep[cf[j]];
                }
                if (cpusr[jn] > ncpus && ncpus != 0)
-                       ovf = "(!)";
+                       ovf = "-ovf";
                else
                        ovf = "";
                print "echo ", cfr[jn], cpusr[jn] ovf ": Starting build. `date`";