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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>
This commit is contained in:
Joel Fernandes (Google) 2020-05-25 00:36:47 -04:00 committed by Paul E. McKenney
parent 9ebcfadb06
commit 7e866460cc
1 changed files with 4 additions and 10 deletions
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14
kernel/rcu/rcuperf.c
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@ -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. */