From: Joyce Kong <joyce.k...@arm.com>
Convert rte_atomic usages to compiler atomic built-ins
for stats_read_pending sync in l2fwd_jobstats module.
Signed-off-by: Joyce Kong <joyce.k...@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.w...@arm.com>
---
examples/l2fwd-jobstats/main.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/examples/l2fwd-jobstats/main.c b/examples/l2fwd-jobstats/main.c
index 06280321b1f2..62981663ea78 100644
--- a/examples/l2fwd-jobstats/main.c
+++ b/examples/l2fwd-jobstats/main.c
@@ -16,7 +16,6 @@
#include <rte_memcpy.h>
#include <rte_eal.h>
#include <rte_launch.h>
-#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_prefetch.h>
#include <rte_lcore.h>
@@ -81,7 +80,7 @@ struct lcore_queue_conf {
struct rte_jobstats idle_job;
struct rte_jobstats_context jobs_context;
- rte_atomic16_t stats_read_pending;
+ uint16_t stats_read_pending;
rte_spinlock_t lock;
} __rte_cache_aligned;
/* >8 End of list of queues to be polled for given lcore. */
@@ -155,9 +154,9 @@ show_lcore_stats(unsigned lcore_id)
uint64_t collection_time = rte_get_timer_cycles();
/* Ask forwarding thread to give us stats. */
- rte_atomic16_set(&qconf->stats_read_pending, 1);
+ __atomic_store_n(&qconf->stats_read_pending, 1, __ATOMIC_RELAXED);
rte_spinlock_lock(&qconf->lock);
- rte_atomic16_set(&qconf->stats_read_pending, 0);
+ __atomic_store_n(&qconf->stats_read_pending, 0, __ATOMIC_RELAXED);
/* Collect context statistics. */
stats_period = ctx->state_time - ctx->start_time;
@@ -526,8 +525,8 @@ l2fwd_main_loop(void)
repeats++;
need_manage = qconf->flush_timer.expire < now;
/* Check if we was esked to give a stats. */
- stats_read_pending =
-
rte_atomic16_read(&qconf->stats_read_pending);
+ stats_read_pending =
__atomic_load_n(&qconf->stats_read_pending,
+ __ATOMIC_RELAXED);
need_manage |= stats_read_pending;
for (i = 0; i < qconf->n_rx_port &&
!need_manage; i++)
--
2.25.1
