summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJoel Fernandes (Google) <joel@joelfernandes.org>2020-05-25 00:36:47 -0400
committerPaul E. McKenney <paulmck@kernel.org>2020-06-29 12:00:44 -0700
commit7e866460cc18797b3a59360f5f8c444598a21729 (patch)
tree322555d61081f59eca2a8b63ad1dede024af4215
parent9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68 (diff)
rcuperf: Remove useless while loops around wait_event
wait_event() already retries if the condition for the wake up is not satisifed after wake up. Remove them from the rcuperf test. Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
-rw-r--r--kernel/rcu/rcuperf.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index 16dd1e6b7c09..246da8fe199e 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -576,11 +576,8 @@ static int compute_real(int n)
static int
rcu_perf_shutdown(void *arg)
{
- do {
- wait_event(shutdown_wq,
- atomic_read(&n_rcu_perf_writer_finished) >=
- nrealwriters);
- } while (atomic_read(&n_rcu_perf_writer_finished) < nrealwriters);
+ wait_event(shutdown_wq,
+ atomic_read(&n_rcu_perf_writer_finished) >= nrealwriters);
smp_mb(); /* Wake before output. */
rcu_perf_cleanup();
kernel_power_off();
@@ -693,11 +690,8 @@ kfree_perf_cleanup(void)
static int
kfree_perf_shutdown(void *arg)
{
- do {
- wait_event(shutdown_wq,
- atomic_read(&n_kfree_perf_thread_ended) >=
- kfree_nrealthreads);
- } while (atomic_read(&n_kfree_perf_thread_ended) < kfree_nrealthreads);
+ wait_event(shutdown_wq,
+ atomic_read(&n_kfree_perf_thread_ended) >= kfree_nrealthreads);
smp_mb(); /* Wake before output. */