torture: Expand last_ts variable in kvm-test-1-run.sh
authorPaul E. McKenney <paulmck@linux.ibm.com>
Fri, 21 Jun 2019 17:32:57 +0000 (10:32 -0700)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Thu, 1 Aug 2019 21:30:22 +0000 (14:30 -0700)
commit2c667e5eae232f7f4a4fc30f58e51abdb0dc43c5
tree57a6e8c627fe0f34c0c3b72ba1f8f45121ccb252
parentb3f3886c59f649ace424d132bd8c06e3611c71a8
torture: Expand last_ts variable in kvm-test-1-run.sh

The kvm-test-1-run.sh script says 'test -z "last_ts"' which always
evaluates to true (AKA zero) regardless of the value of the last_ts shell
variable.  This commit therefore inserts the needed dollar sign ("$").

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh