tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: a352043b40947d6253b87993cb24ee0f893aad89 commit: 39461af74125fd26809486d043f248531e17a2e5 [12436/12894] bitmap: replace bitmap_{from,to}_u32array config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 39461af74125fd26809486d043f248531e17a2e5 # save the attached .config to linux build tree make.cross ARCH=arm64 All errors (new ones prefixed by >>): drivers//perf/arm_dsu_pmu.c: In function 'dsu_pmu_probe_pmu': >> drivers//perf/arm_dsu_pmu.c:661:2: error: implicit declaration of function 'bitmap_from_u32array'; did you mean 'bitmap_from_arr32'? [-Werror=implicit-function-declaration] bitmap_from_u32array(dsu_pmu->cpmceid_bitmap, ^~~~~~~~~~~~~~~~~~~~ bitmap_from_arr32 cc1: some warnings being treated as errors vim +661 drivers//perf/arm_dsu_pmu.c 7520fa99 Suzuki K Poulose 2018-01-02 642 7520fa99 Suzuki K Poulose 2018-01-02 643 /* 7520fa99 Suzuki K Poulose 2018-01-02 644 * dsu_pmu_probe_pmu: Probe the PMU details on a CPU in the cluster. 7520fa99 Suzuki K Poulose 2018-01-02 645 */ 7520fa99 Suzuki K Poulose 2018-01-02 646 static void dsu_pmu_probe_pmu(struct dsu_pmu *dsu_pmu) 7520fa99 Suzuki K Poulose 2018-01-02 647 { 7520fa99 Suzuki K Poulose 2018-01-02 648 u64 num_counters; 7520fa99 Suzuki K Poulose 2018-01-02 649 u32 cpmceid[2]; 7520fa99 Suzuki K Poulose 2018-01-02 650 7520fa99 Suzuki K Poulose 2018-01-02 651 num_counters = (__dsu_pmu_read_pmcr() >> CLUSTERPMCR_N_SHIFT) & 7520fa99 Suzuki K Poulose 2018-01-02 652 CLUSTERPMCR_N_MASK; 7520fa99 Suzuki K Poulose 2018-01-02 653 /* We can only support up to 31 independent counters */ 7520fa99 Suzuki K Poulose 2018-01-02 654 if (WARN_ON(num_counters > 31)) 7520fa99 Suzuki K Poulose 2018-01-02 655 num_counters = 31; 7520fa99 Suzuki K Poulose 2018-01-02 656 dsu_pmu->num_counters = num_counters; 7520fa99 Suzuki K Poulose 2018-01-02 657 if (!dsu_pmu->num_counters) 7520fa99 Suzuki K Poulose 2018-01-02 658 return; 7520fa99 Suzuki K Poulose 2018-01-02 659 cpmceid[0] = __dsu_pmu_read_pmceid(0); 7520fa99 Suzuki K Poulose 2018-01-02 660 cpmceid[1] = __dsu_pmu_read_pmceid(1); 7520fa99 Suzuki K Poulose 2018-01-02 @661 bitmap_from_u32array(dsu_pmu->cpmceid_bitmap, 7520fa99 Suzuki K Poulose 2018-01-02 662 DSU_PMU_MAX_COMMON_EVENTS, 7520fa99 Suzuki K Poulose 2018-01-02 663 cpmceid, 7520fa99 Suzuki K Poulose 2018-01-02 664 ARRAY_SIZE(cpmceid)); 7520fa99 Suzuki K Poulose 2018-01-02 665 } 7520fa99 Suzuki K Poulose 2018-01-02 666 :::::: The code at line 661 was first introduced by commit :::::: 7520fa99246dade7ab6dde1573a146beed632abd perf: ARM DynamIQ Shared Unit PMU support :::::: TO: Suzuki K Poulose <suzuki.poulose@xxxxxxx> :::::: CC: Will Deacon <will.deacon@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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