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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Ji, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on arm-perf/for-next/perf tip/smp/core linus/master v6.7-rc1 next-20231114] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ji-Sheng-Teoh/perf-starfive-Add-StarLink-PMU-support/20231114-101811 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20231114021254.3009799-2-jisheng.teoh%40starfivetech.com patch subject: [PATCH v2 1/2] perf: starfive: Add StarLink PMU support config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20231114/202311142041.nSLDeqju-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231114/202311142041.nSLDeqju-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202311142041.nSLDeqju-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/perf/starfive_starlink_pmu.c:158:6: warning: no previous prototype for 'starlink_pmu_set_event_period' [-Wmissing-prototypes] 158 | void starlink_pmu_set_event_period(struct perf_event *event) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/starlink_pmu_set_event_period +158 drivers/perf/starfive_starlink_pmu.c cff226048d4861 Ji Sheng Teoh 2023-11-14 157 cff226048d4861 Ji Sheng Teoh 2023-11-14 @158 void starlink_pmu_set_event_period(struct perf_event *event) cff226048d4861 Ji Sheng Teoh 2023-11-14 159 { cff226048d4861 Ji Sheng Teoh 2023-11-14 160 struct starlink_pmu *starlink_pmu = to_starlink_pmu(event->pmu); cff226048d4861 Ji Sheng Teoh 2023-11-14 161 struct hw_perf_event *hwc = &event->hw; cff226048d4861 Ji Sheng Teoh 2023-11-14 162 int idx = event->hw.idx; cff226048d4861 Ji Sheng Teoh 2023-11-14 163 cff226048d4861 Ji Sheng Teoh 2023-11-14 164 /* cff226048d4861 Ji Sheng Teoh 2023-11-14 165 * Program counter to half of it's max count to handle cff226048d4861 Ji Sheng Teoh 2023-11-14 166 * cases of extreme interrupt latency. cff226048d4861 Ji Sheng Teoh 2023-11-14 167 */ cff226048d4861 Ji Sheng Teoh 2023-11-14 168 u64 val = STARLINK_PMU_COUNTER_MASK >> 1; cff226048d4861 Ji Sheng Teoh 2023-11-14 169 cff226048d4861 Ji Sheng Teoh 2023-11-14 170 local64_set(&hwc->prev_count, val); cff226048d4861 Ji Sheng Teoh 2023-11-14 171 if (hwc->config == CYCLES) cff226048d4861 Ji Sheng Teoh 2023-11-14 172 writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_CYCLE_COUNTER); cff226048d4861 Ji Sheng Teoh 2023-11-14 173 else cff226048d4861 Ji Sheng Teoh 2023-11-14 174 writeq(val, starlink_pmu->pmu_base + STARLINK_PMU_EVENT_COUNTER + cff226048d4861 Ji Sheng Teoh 2023-11-14 175 idx * sizeof(u64)); cff226048d4861 Ji Sheng Teoh 2023-11-14 176 } cff226048d4861 Ji Sheng Teoh 2023-11-14 177 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel