On 2/7/20 12:39 PM, Alex Bennée wrote:
> This is pure code motion with no functional effect.
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> ---
> tests/rcutorture.c | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/tests/rcutorture.c b/tests/rcutorture.c
> index e8b2169e7dd..256d24ed5ba 100644
> --- a/tests/rcutorture.c
> +++ b/tests/rcutorture.c
> @@ -65,8 +65,6 @@
> #include "qemu/rcu.h"
> #include "qemu/thread.h"
>
> -long long n_reads = 0LL;
> -long n_updates = 0L;
> int nthreadsrunning;
>
> #define GOFLAG_INIT 0
> @@ -78,11 +76,20 @@ static volatile int goflag = GOFLAG_INIT;
> #define RCU_READ_RUN 1000
>
> #define NR_THREADS 100
> -static QemuMutex counts_mutex;
> static QemuThread threads[NR_THREADS];
> static struct rcu_reader_data *data[NR_THREADS];
> static int n_threads;
>
> +/*
> + * Statistical counts
> + *
> + * These are the sum of local counters at the end of a run.
> + * Updates are protected by a mutex.
> + */
> +static QemuMutex counts_mutex;
> +long long n_reads = 0LL;
> +long n_updates = 0L;
> +
> static void create_thread(void *(*func)(void *))
> {
> if (n_threads >= NR_THREADS) {
> @@ -230,8 +237,9 @@ struct rcu_stress {
> struct rcu_stress rcu_stress_array[RCU_STRESS_PIPE_LEN] = { { 0 } };
> struct rcu_stress *rcu_stress_current;
> int rcu_stress_idx;
> -
> int n_mberror;
> +
> +/* Updates protected by counts_mutex */
> long long rcu_stress_count[RCU_STRESS_PIPE_LEN + 1];
>
>
>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>