Re: [dpdk-stable] [PATCH v2 4/7] test/rcu: use size_t instead of int

[David Marchand <david.marchand@redhat.com>]

On Tue, Oct 8, 2019 at 11:12 PM Honnappa Nagarahalli
<honnappa.nagarahalli@arm.com> wrote:
>
> Variables used to store the return value of rte_rcu_qsbr_get_memsize
> in variables of type 'int'. The variables are of type 'size_t' now.

Added a comment on the two cases we have here: the uint32_t storage
are fine while the int ones were an issue.


>
> Fixes: b87089b0bb19 ("test/rcu: add API and functional tests")
> Cc: stable@dpdk.org
>
> Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> Reviewed-by: Gavin Hu <gavin.hu@arm.com>
> ---
>  app/test/test_rcu_qsbr.c      |  4 ++--
>  app/test/test_rcu_qsbr_perf.c | 11 ++++++-----
>  2 files changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/app/test/test_rcu_qsbr.c b/app/test/test_rcu_qsbr.c
> index d1b9e46a2..2f71ec6ad 100644
> --- a/app/test/test_rcu_qsbr.c
> +++ b/app/test/test_rcu_qsbr.c
> @@ -52,7 +52,7 @@ static int
>  alloc_rcu(void)
>  {
>         int i;
> -       uint32_t sz;
> +       size_t sz;
>
>         sz = rte_rcu_qsbr_get_memsize(RTE_MAX_LCORE);
>
> @@ -81,7 +81,7 @@ free_rcu(void)
>  static int
>  test_rcu_qsbr_get_memsize(void)
>  {
> -       uint32_t sz;
> +       size_t sz;
>
>         printf("\nTest rte_rcu_qsbr_thread_register()\n");
>
> diff --git a/app/test/test_rcu_qsbr_perf.c b/app/test/test_rcu_qsbr_perf.c
> index cb2d177b7..280f1811f 100644
> --- a/app/test/test_rcu_qsbr_perf.c
> +++ b/app/test/test_rcu_qsbr_perf.c
> @@ -125,7 +125,7 @@ test_rcu_qsbr_writer_perf(void *arg)
>  static int
>  test_rcu_qsbr_perf(void)
>  {
> -       int sz;
> +       size_t sz;
>         unsigned int i, tmp_num_cores;
>
>         writer_done = 0;
> @@ -188,7 +188,7 @@ test_rcu_qsbr_perf(void)
>  static int
>  test_rcu_qsbr_rperf(void)
>  {
> -       int sz;
> +       size_t sz;
>         unsigned int i, tmp_num_cores;
>
>         rte_atomic64_clear(&updates);
> @@ -234,7 +234,7 @@ test_rcu_qsbr_rperf(void)
>  static int
>  test_rcu_qsbr_wperf(void)
>  {
> -       int sz;
> +       size_t sz;
>         unsigned int i;
>
>         rte_atomic64_clear(&checks);
> @@ -379,7 +379,7 @@ static int
>  test_rcu_qsbr_sw_sv_1qs(void)
>  {
>         uint64_t token, begin, cycles;
> -       int sz;
> +       size_t sz;
>         unsigned int i, j, tmp_num_cores;
>         int32_t pos;
>
> @@ -498,7 +498,8 @@ static int
>  test_rcu_qsbr_sw_sv_1qs_non_blocking(void)
>  {
>         uint64_t token, begin, cycles;
> -       int ret, sz;
> +       int ret;
> +       size_t sz;
>         unsigned int i, j, tmp_num_cores;
>         int32_t pos;
>
> --
> 2.17.1
>


--
David Marchand