From: Joel Fernandes (Google) Date: Mon, 25 May 2020 04:36:47 +0000 (-0400) Subject: rcuperf: Remove useless while loops around wait_event X-Git-Tag: block-5.9-2020-08-14~74^2^2^5~29 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7e866460cc18797b3a59360f5f8c444598a21729;p=linux-block.git 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) Signed-off-by: Paul E. McKenney --- 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. */