* [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11
@ 2021-05-20 11:06 Kevin Traynor
2021-05-20 11:14 ` Ali Alnubani
2021-05-20 14:31 ` David Marchand
0 siblings, 2 replies; 4+ messages in thread
From: Kevin Traynor @ 2021-05-20 11:06 UTC (permalink / raw)
To: dev; +Cc: ferruh.yigit, Kevin Traynor, stable, Ali Alnubani
GCC 11 complains that 'a' is uninitialized.
../dpdk/app/test/test_prefetch.c: In function 'test_prefetch':
../dpdk/app/test/test_prefetch.c:25:9:
error: 'a' may be used uninitialized [-Werror=maybe-uninitialized]
25 | rte_prefetch0(&a);
| ^~~~~~~~~~~~~~~~~
Fix by initializing 'a'.
Bugzilla ID: 714
Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org
Reported-by: Ali Alnubani <alialnu@nvidia.com>
Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
---
app/test/test_prefetch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/app/test/test_prefetch.c b/app/test/test_prefetch.c
index 5489885b51..7b4a8e4144 100644
--- a/app/test/test_prefetch.c
+++ b/app/test/test_prefetch.c
@@ -21,5 +21,5 @@ static int
test_prefetch(void)
{
- int a;
+ int a = 0;
rte_prefetch0(&a);
--
2.31.1
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11
2021-05-20 11:06 [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11 Kevin Traynor
@ 2021-05-20 11:14 ` Ali Alnubani
2021-05-20 14:31 ` David Marchand
1 sibling, 0 replies; 4+ messages in thread
From: Ali Alnubani @ 2021-05-20 11:14 UTC (permalink / raw)
To: Kevin Traynor, dev; +Cc: ferruh.yigit, stable
> -----Original Message-----
> From: Kevin Traynor <ktraynor@redhat.com>
> Sent: Thursday, May 20, 2021 2:06 PM
> To: dev@dpdk.org
> Cc: ferruh.yigit@intel.com; Kevin Traynor <ktraynor@redhat.com>;
> stable@dpdk.org; Ali Alnubani <alialnu@nvidia.com>
> Subject: [PATCH] test/prefetch: fix build with GCC 11
>
> GCC 11 complains that 'a' is uninitialized.
>
> ../dpdk/app/test/test_prefetch.c: In function 'test_prefetch':
> ../dpdk/app/test/test_prefetch.c:25:9:
> error: 'a' may be used uninitialized [-Werror=maybe-uninitialized]
> 25 | rte_prefetch0(&a);
> | ^~~~~~~~~~~~~~~~~
>
> Fix by initializing 'a'.
>
> Bugzilla ID: 714
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
>
> Reported-by: Ali Alnubani <alialnu@nvidia.com>
> Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
> ---
> app/test/test_prefetch.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/app/test/test_prefetch.c b/app/test/test_prefetch.c index
> 5489885b51..7b4a8e4144 100644
> --- a/app/test/test_prefetch.c
> +++ b/app/test/test_prefetch.c
> @@ -21,5 +21,5 @@ static int
> test_prefetch(void)
> {
> - int a;
> + int a = 0;
>
> rte_prefetch0(&a);
> --
> 2.31.1
Was about to send a fix 😊.
Thank you Kevin.
Build is now passing.
Tested-by: Ali Alnubani <alialnu@nvidia.com>
- Ali
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11
2021-05-20 11:06 [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11 Kevin Traynor
2021-05-20 11:14 ` Ali Alnubani
@ 2021-05-20 14:31 ` David Marchand
2021-05-20 21:06 ` Thomas Monjalon
1 sibling, 1 reply; 4+ messages in thread
From: David Marchand @ 2021-05-20 14:31 UTC (permalink / raw)
To: Kevin Traynor; +Cc: dev, Yigit, Ferruh, dpdk stable, Ali Alnubani
On Thu, May 20, 2021 at 1:07 PM Kevin Traynor <ktraynor@redhat.com> wrote:
>
> GCC 11 complains that 'a' is uninitialized.
>
> ../dpdk/app/test/test_prefetch.c: In function 'test_prefetch':
> ../dpdk/app/test/test_prefetch.c:25:9:
> error: 'a' may be used uninitialized [-Werror=maybe-uninitialized]
> 25 | rte_prefetch0(&a);
> | ^~~~~~~~~~~~~~~~~
>
> Fix by initializing 'a'.
>
> Bugzilla ID: 714
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
>
> Reported-by: Ali Alnubani <alialnu@nvidia.com>
> Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>
--
David Marchand
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11
2021-05-20 14:31 ` David Marchand
@ 2021-05-20 21:06 ` Thomas Monjalon
0 siblings, 0 replies; 4+ messages in thread
From: Thomas Monjalon @ 2021-05-20 21:06 UTC (permalink / raw)
To: Kevin Traynor; +Cc: stable, dev, Yigit, Ferruh, Ali Alnubani, David Marchand
20/05/2021 16:31, David Marchand:
> On Thu, May 20, 2021 at 1:07 PM Kevin Traynor <ktraynor@redhat.com> wrote:
> >
> > GCC 11 complains that 'a' is uninitialized.
> >
> > ../dpdk/app/test/test_prefetch.c: In function 'test_prefetch':
> > ../dpdk/app/test/test_prefetch.c:25:9:
> > error: 'a' may be used uninitialized [-Werror=maybe-uninitialized]
> > 25 | rte_prefetch0(&a);
> > | ^~~~~~~~~~~~~~~~~
> >
> > Fix by initializing 'a'.
> >
> > Bugzilla ID: 714
> > Fixes: af75078fece3 ("first public release")
> > Cc: stable@dpdk.org
> >
> > Reported-by: Ali Alnubani <alialnu@nvidia.com>
> > Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
>
> Reviewed-by: David Marchand <david.marchand@redhat.com>
Applied, thanks
^ permalink raw reply [flat|nested] 4+ messages in thread
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2021-05-20 11:06 [dpdk-stable] [PATCH] test/prefetch: fix build with GCC 11 Kevin Traynor
2021-05-20 11:14 ` Ali Alnubani
2021-05-20 14:31 ` David Marchand
2021-05-20 21:06 ` Thomas Monjalon
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