Re: [PATCH] arm64: Declare non global symbols as static

From: Catalin Marinas
Date: Fri Apr 29 2022 - 15:06:24 EST


On Fri, Apr 29, 2022 at 01:25:35PM +0530, Linu Cherian wrote:
> Fix below sparse warnings introduced while adding errata.
>
> arch/arm64/kernel/cpu_errata.c:218:25: sparse: warning: symbol
> 'cavium_erratum_23154_cpus' was not declared. Should it be static?
> arch/arm64/kernel/cpu_errata.c:233:25: sparse: warning: symbol
> 'cavium_erratum_27456_cpus' was not declared. Should it be static?
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Linu Cherian <lcherian@xxxxxxxxxxx>
> ---
> arch/arm64/kernel/cpu_errata.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
> index 4c9b5b4b7a0b..57a39cb6b489 100644
> --- a/arch/arm64/kernel/cpu_errata.c
> +++ b/arch/arm64/kernel/cpu_errata.c
> @@ -215,7 +215,7 @@ static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
> #endif
>
> #ifdef CONFIG_CAVIUM_ERRATUM_23154
> -const struct midr_range cavium_erratum_23154_cpus[] = {
> +static const struct midr_range cavium_erratum_23154_cpus[] = {
> MIDR_ALL_VERSIONS(MIDR_THUNDERX),
> MIDR_ALL_VERSIONS(MIDR_THUNDERX_81XX),
> MIDR_ALL_VERSIONS(MIDR_THUNDERX_83XX),
> @@ -230,7 +230,7 @@ const struct midr_range cavium_erratum_23154_cpus[] = {
> #endif
>
> #ifdef CONFIG_CAVIUM_ERRATUM_27456
> -const struct midr_range cavium_erratum_27456_cpus[] = {
> +static const struct midr_range cavium_erratum_27456_cpus[] = {
> /* Cavium ThunderX, T88 pass 1.x - 2.1 */
> MIDR_RANGE(MIDR_THUNDERX, 0, 0, 1, 1),
> /* Cavium ThunderX, T81 pass 1.0 */

That's referred in arch/arm64/kernel/cpufeature.c, so the build fails.

--
Catalin