Hi Conor,
Thanks for the patch.
<snip>
>
> When DPDK is compiled with gcc < 9 with the optimization level set to 1 gcc
> sees zcd in test_ring.h as possibly being uninitialised. To correct this
> error zcd
> has been initialised to {0} in test_ring_mt_peek_stress_zc.c.
>
> Signed-off-by: Conor Walsh <conor.wa...@intel.com>
> ---
> app/test/test_ring_mt_peek_stress_zc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/app/test/test_ring_mt_peek_stress_zc.c
> b/app/test/test_ring_mt_peek_stress_zc.c
> index 7e0bd511a7..ba0acf237c 100644
> --- a/app/test/test_ring_mt_peek_stress_zc.c
> +++ b/app/test/test_ring_mt_peek_stress_zc.c
> @@ -11,7 +11,7 @@ _st_ring_dequeue_bulk(struct rte_ring *r, void **obj,
> uint32_t n,
> uint32_t *avail)
> {
> uint32_t m;
> - struct rte_ring_zc_data zcd;
> + struct rte_ring_zc_data zcd = {0};
I faced similar problems when I created this test case. I refrained from doing
this initialization as it might mask the problems in the library. Is it
possible to identify which path in the library is actually resulting in this
error? I would prefer to fix that instead.
>
> m = rte_ring_dequeue_zc_bulk_start(r, n, &zcd, avail);
> n = (m == n) ? n : 0;
> @@ -29,7 +29,7 @@ _st_ring_enqueue_bulk(struct rte_ring *r, void * const
> *obj, uint32_t n,
> uint32_t *free)
> {
> uint32_t m;
> - struct rte_ring_zc_data zcd;
> + struct rte_ring_zc_data zcd = {0};
>
> m = rte_ring_enqueue_zc_bulk_start(r, n, &zcd, free);
> n = (m == n) ? n : 0;
> --
> 2.25.1
