[PATCH v2 05/19] gpudev: use rte optional stdatomic API

[Tyler Retzlaff]

Replace the use of gcc builtin __atomic_xxx intrinsics with
corresponding rte_atomic_xxx optional stdatomic API

Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
---
 lib/gpudev/gpudev.c        | 6 +++---
 lib/gpudev/gpudev_driver.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/gpudev/gpudev.c b/lib/gpudev/gpudev.c
index 8f12abe..6845d18 100644
--- a/lib/gpudev/gpudev.c
+++ b/lib/gpudev/gpudev.c
@@ -228,7 +228,7 @@ struct rte_gpu *
        dev->mpshared->info.numa_node = -1;
        dev->mpshared->info.parent = RTE_GPU_ID_NONE;
        TAILQ_INIT(&dev->callbacks);
-       __atomic_fetch_add(&dev->mpshared->process_refcnt, 1, __ATOMIC_RELAXED);
+       rte_atomic_fetch_add_explicit(&dev->mpshared->process_refcnt, 1, 
rte_memory_order_relaxed);
 
        gpu_count++;
        GPU_LOG(DEBUG, "new device %s (id %d) of total %d",
@@ -277,7 +277,7 @@ struct rte_gpu *
 
        TAILQ_INIT(&dev->callbacks);
        dev->mpshared = shared_dev;
-       __atomic_fetch_add(&dev->mpshared->process_refcnt, 1, __ATOMIC_RELAXED);
+       rte_atomic_fetch_add_explicit(&dev->mpshared->process_refcnt, 1, 
rte_memory_order_relaxed);
 
        gpu_count++;
        GPU_LOG(DEBUG, "attached device %s (id %d) of total %d",
@@ -340,7 +340,7 @@ struct rte_gpu *
 
        gpu_free_callbacks(dev);
        dev->process_state = RTE_GPU_STATE_UNUSED;
-       __atomic_fetch_sub(&dev->mpshared->process_refcnt, 1, __ATOMIC_RELAXED);
+       rte_atomic_fetch_sub_explicit(&dev->mpshared->process_refcnt, 1, 
rte_memory_order_relaxed);
        gpu_count--;
 
        return 0;
diff --git a/lib/gpudev/gpudev_driver.h b/lib/gpudev/gpudev_driver.h
index 42898c7..0b1e7f2 100644
--- a/lib/gpudev/gpudev_driver.h
+++ b/lib/gpudev/gpudev_driver.h
@@ -69,7 +69,7 @@ struct rte_gpu_mpshared {
        /* Device info structure. */
        struct rte_gpu_info info;
        /* Counter of processes using the device. */
-       uint16_t process_refcnt; /* Updated by this library. */
+       RTE_ATOMIC(uint16_t) process_refcnt; /* Updated by this library. */
 };
 
 struct rte_gpu {
-- 
1.8.3.1