Re: [PATCH 7/7] selftests: vDSO: vdso_config: Avoid -Wunused-variables

From: Muhammad Usama Anjum
Date: Fri May 02 2025 - 09:49:28 EST


On 5/2/25 5:40 PM, Thomas Weißschuh wrote:
> Not all users of this header make use of all its variables.
> For example vdso_test_correctness.c does not use "versions":
>
> In file included from vdso_test_correctness.c:22:
> vdso_config.h:61:20: warning: ‘versions’ defined but not used [-Wunused-variable]
> 61 | static const char *versions[7] = {
> | ^~~~~~~~
>
> Avoid those warnings through attribute((unused)).
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>

> ---
> tools/testing/selftests/vDSO/vdso_config.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/tools/testing/selftests/vDSO/vdso_config.h b/tools/testing/selftests/vDSO/vdso_config.h
> index 722260f9756198956f0dfccced907284b6851e76..5fdd0f36233742bc47ae79f23d2cfae5a0f56dee 100644
> --- a/tools/testing/selftests/vDSO/vdso_config.h
> +++ b/tools/testing/selftests/vDSO/vdso_config.h
> @@ -58,6 +58,7 @@
> #define VDSO_NAMES 1
> #endif
>
> +__attribute__((unused))
> static const char *versions[7] = {
> "LINUX_2.6",
> "LINUX_2.6.15",
> @@ -68,6 +69,7 @@ static const char *versions[7] = {
> "LINUX_5.10"
> };
>
> +__attribute__((unused))
> static const char *names[2][7] = {
> {
> "__kernel_gettimeofday",
>


--
Regards,
Usama