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>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 368d64ac779e..dd2812ceb0ba 100755
--- 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`";