With ARCH=x86, make allmodconfig && make W=1 C=1 reports: WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm-ccn.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/fsl_imx8_ddr_perf.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/marvell_cn10k_ddr_pmu.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm_cspmu/arm_cspmu_module.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm_cspmu/nvidia_cspmu.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm_cspmu/ampere_cspmu.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/cxl_pmu.o Add the missing invocation of the MODULE_DESCRIPTION() macro to all files which have a MODULE_LICENSE(). This includes drivers/perf/hisilicon/hisi_uncore_pmu.c which, although it did not produce a warning with the x86 allmodconfig configuration, may cause this warning with arm64 configurations. Signed-off-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> --- Changes in v2: - Updated hisi_uncore_pmu.c description per Yicong Yang - Link to v1: https://lore.kernel.org/r/20240611-md-drivers-perf-v1-1-c001bae6da5c@xxxxxxxxxxx --- drivers/perf/arm-ccn.c | 1 + drivers/perf/arm_cspmu/ampere_cspmu.c | 1 + drivers/perf/arm_cspmu/arm_cspmu.c | 1 + drivers/perf/arm_cspmu/nvidia_cspmu.c | 1 + drivers/perf/cxl_pmu.c | 1 + drivers/perf/fsl_imx8_ddr_perf.c | 1 + drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 + drivers/perf/marvell_cn10k_ddr_pmu.c | 1 + 8 files changed, 8 insertions(+) diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index 86ef31ac7503..65f4882531db 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -1561,4 +1561,5 @@ module_init(arm_ccn_init); module_exit(arm_ccn_exit); MODULE_AUTHOR("Pawel Moll <pawel.moll@xxxxxxx>"); +MODULE_DESCRIPTION("ARM CCN (Cache Coherent Network) driver support"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/perf/arm_cspmu/ampere_cspmu.c b/drivers/perf/arm_cspmu/ampere_cspmu.c index f146a455e838..426b3cfcb52e 100644 --- a/drivers/perf/arm_cspmu/ampere_cspmu.c +++ b/drivers/perf/arm_cspmu/ampere_cspmu.c @@ -269,4 +269,5 @@ static void __exit ampere_cspmu_exit(void) module_init(ampere_cspmu_init); module_exit(ampere_cspmu_exit); +MODULE_DESCRIPTION("Ampere SoC PMU (Performance Monitor Unit) driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c index c318dc909767..c21c564840d6 100644 --- a/drivers/perf/arm_cspmu/arm_cspmu.c +++ b/drivers/perf/arm_cspmu/arm_cspmu.c @@ -1427,4 +1427,5 @@ EXPORT_SYMBOL_GPL(arm_cspmu_impl_unregister); module_init(arm_cspmu_init); module_exit(arm_cspmu_exit); +MODULE_DESCRIPTION("ARM CoreSight Architecture PMU driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/perf/arm_cspmu/nvidia_cspmu.c b/drivers/perf/arm_cspmu/nvidia_cspmu.c index 5b84b701ad62..0dea47e48ac5 100644 --- a/drivers/perf/arm_cspmu/nvidia_cspmu.c +++ b/drivers/perf/arm_cspmu/nvidia_cspmu.c @@ -417,4 +417,5 @@ static void __exit nvidia_cspmu_exit(void) module_init(nvidia_cspmu_init); module_exit(nvidia_cspmu_exit); +MODULE_DESCRIPTION("NVIDIA Coresight Architecture PMU driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/perf/cxl_pmu.c b/drivers/perf/cxl_pmu.c index 1f93a66eff5b..8b6ce9ea5a55 100644 --- a/drivers/perf/cxl_pmu.c +++ b/drivers/perf/cxl_pmu.c @@ -972,6 +972,7 @@ static __exit void cxl_pmu_exit(void) cpuhp_remove_multi_state(cxl_pmu_cpuhp_state_num); } +MODULE_DESCRIPTION("CXL Performance Monitoring Unit driver"); MODULE_LICENSE("GPL"); MODULE_IMPORT_NS(CXL); module_init(cxl_pmu_init); diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c index 1bbdb29743c4..a6683b38315c 100644 --- a/drivers/perf/fsl_imx8_ddr_perf.c +++ b/drivers/perf/fsl_imx8_ddr_perf.c @@ -850,4 +850,5 @@ static struct platform_driver imx_ddr_pmu_driver = { }; module_platform_driver(imx_ddr_pmu_driver); +MODULE_DESCRIPTION("Freescale i.MX8 DDR PMU driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c index 6392cbedcd06..0ac5182a5e45 100644 --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c @@ -537,4 +537,5 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, struct module *module) } EXPORT_SYMBOL_GPL(hisi_pmu_init); +MODULE_DESCRIPTION("HiSilicon SoC uncore PMU driver framework"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/perf/marvell_cn10k_ddr_pmu.c b/drivers/perf/marvell_cn10k_ddr_pmu.c index e2abca188dbe..94f1ebcd2a27 100644 --- a/drivers/perf/marvell_cn10k_ddr_pmu.c +++ b/drivers/perf/marvell_cn10k_ddr_pmu.c @@ -763,4 +763,5 @@ module_init(cn10k_ddr_pmu_init); module_exit(cn10k_ddr_pmu_exit); MODULE_AUTHOR("Bharat Bhushan <bbhushan2@xxxxxxxxxxx>"); +MODULE_DESCRIPTION("Marvell CN10K DRAM Subsystem (DSS) Performance Monitor Driver"); MODULE_LICENSE("GPL v2"); --- base-commit: 83a7eefedc9b56fe7bfeff13b6c7356688ffa670 change-id: 20240611-md-drivers-perf-5d834208964d