Merge tag 'ntb-4.4' of git://github.com/jonmason/ntb

[firefly-linux-kernel-4.4.55.git] / kernel / trace / ring_buffer_benchmark.c

diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c
index 9e00fd17822657428f4ef71715ac8332acf9ee6a..6df9a83e20d7eb360a6e58eb2599a959326c6bcc 100644 (file)
--- a/kernel/trace/ring_buffer_benchmark.c
+++ b/kernel/trace/ring_buffer_benchmark.c
@@ -288,8 +288,6 @@ static void ring_buffer_producer(void)
                /* the completions must be visible before the finish var */
                smp_wmb();
                reader_finish = 1;
-               /* finish var visible before waking up the consumer */
-               smp_wmb();
                wake_up_process(consumer);
                wait_for_completion(&read_done);
        }