Messages in this thread Patch in this message | | | From | paulmck@kernel ... | Subject | [PATCH tip/core/rcu 01/30] rcuperf: Remove useless while loops around wait_event | Date | Mon, 22 Jun 2020 17:29:44 -0700 |
| |
From: "Joel Fernandes (Google)" <joel@joelfernandes.org>
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> --- kernel/rcu/rcuperf.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c index 16dd1e6..246da8f 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. */ -- 2.9.5
| |