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| author |   Joel Fernandes (Google) <joel@joelfernandes.org> | 2020-05-25 00:36:47 -0400 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 12:00:44 -0700 |
| commit | 7e866460cc18797b3a59360f5f8c444598a21729 (patch) | |
| tree | 322555d61081f59eca2a8b63ad1dede024af4215 /kernel/rcu | |
| parent | Linux 5.8-rc3 (diff) | |
| download | wireguard-linux-7e866460cc18797b3a59360f5f8c444598a21729.tar.xz wireguard-linux-7e866460cc18797b3a59360f5f8c444598a21729.zip | |
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>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/rcuperf.c | 14 |
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. */ |