Hi Bhaskara, Thank you for the patch! Yet something to improve: [auto build test ERROR on robh/for-next] [also build test ERROR on linus/master v5.15-rc7 next-20211026] [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] url: https://github.com/0day-ci/linux/commits/Bhaskara-Budiredla/drivers-perf-Add-Marvell-CN10K-LLC-TAD-pmu-driver/20211018-233301 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next config: arc-randconfig-r002-20211027 (attached as .config) compiler: arc-elf-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/85d99064ace8ea1a9e64cbd905097e61c6bb395c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bhaskara-Budiredla/drivers-perf-Add-Marvell-CN10K-LLC-TAD-pmu-driver/20211018-233301 git checkout 85d99064ace8ea1a9e64cbd905097e61c6bb395c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/perf/marvell_cn10k_tad_pmu.c: In function 'tad_pmu_event_counter_read': >> drivers/perf/marvell_cn10k_tad_pmu.c:57:32: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration] 57 | new += readq(tad_pmu->regions[i].base + | ^~~~~ | readl drivers/perf/marvell_cn10k_tad_pmu.c: In function 'tad_pmu_event_counter_stop': >> drivers/perf/marvell_cn10k_tad_pmu.c:76:17: error: implicit declaration of function 'writeq_relaxed'; did you mean 'writel_relaxed'? [-Werror=implicit-function-declaration] 76 | writeq_relaxed(0, tad_pmu->regions[i].base + | ^~~~~~~~~~~~~~ | writel_relaxed drivers/perf/marvell_cn10k_tad_pmu.c: In function 'tad_pmu_event_counter_start': >> drivers/perf/marvell_cn10k_tad_pmu.c:103:27: error: implicit declaration of function 'readq_relaxed'; did you mean 'readw_relaxed'? [-Werror=implicit-function-declaration] 103 | reg_val = readq_relaxed(tad_pmu->regions[i].base + | ^~~~~~~~~~~~~ | readw_relaxed In file included from include/linux/perf_event.h:25, from drivers/perf/marvell_cn10k_tad_pmu.c:18: At top level: arch/arc/include/asm/perf_event.h:126:27: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=] 126 | static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { | ^~~~~~~~~~~~~~~~~ arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=] 91 | static const char * const arc_pmu_ev_hw_map[] = { | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +57 drivers/perf/marvell_cn10k_tad_pmu.c 45 46 static void tad_pmu_event_counter_read(struct perf_event *event) 47 { 48 struct tad_pmu *tad_pmu = to_tad_pmu(event->pmu); 49 struct hw_perf_event *hwc = &event->hw; 50 u32 counter_idx = hwc->idx; 51 u64 delta, prev, new; 52 int i; 53 54 do { 55 prev = local64_read(&hwc->prev_count); 56 for (i = 0, new = 0; i < tad_pmu->region_cnt; i++) > 57 new += readq(tad_pmu->regions[i].base + 58 TAD_PFC(counter_idx)); 59 } while (local64_cmpxchg(&hwc->prev_count, prev, new) != prev); 60 61 delta = (new - prev) & GENMASK_ULL(63, 0); 62 local64_add(delta, &event->count); 63 } 64 65 static void tad_pmu_event_counter_stop(struct perf_event *event, int flags) 66 { 67 struct tad_pmu *tad_pmu = to_tad_pmu(event->pmu); 68 struct hw_perf_event *hwc = &event->hw; 69 u32 counter_idx = hwc->idx; 70 int i; 71 72 /* TAD()_PFC() stop counting on the write 73 * which sets TAD()_PRF()[CNTSEL] == 0 74 */ 75 for (i = 0; i < tad_pmu->region_cnt; i++) > 76 writeq_relaxed(0, tad_pmu->regions[i].base + 77 TAD_PRF(counter_idx)); 78 79 tad_pmu_event_counter_read(event); 80 hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE; 81 } 82 83 static void tad_pmu_event_counter_start(struct perf_event *event, int flags) 84 { 85 struct tad_pmu *tad_pmu = to_tad_pmu(event->pmu); 86 struct hw_perf_event *hwc = &event->hw; 87 u32 event_idx = event->attr.config; 88 u32 counter_idx = hwc->idx; 89 u64 reg_val; 90 int i; 91 92 hwc->state = 0; 93 94 /* Typically TAD_PFC() are zeroed to start counting */ 95 for (i = 0; i < tad_pmu->region_cnt; i++) 96 writeq_relaxed(0, tad_pmu->regions[i].base + 97 TAD_PFC(counter_idx)); 98 99 /* TAD()_PFC() start counting on the write 100 * which sets TAD()_PRF()[CNTSEL] != 0 101 */ 102 for (i = 0; i < tad_pmu->region_cnt; i++) { > 103 reg_val = readq_relaxed(tad_pmu->regions[i].base + 104 TAD_PRF(counter_idx)); 105 reg_val |= (event_idx & 0xFF); 106 writeq_relaxed(reg_val, tad_pmu->regions[i].base + 107 TAD_PRF(counter_idx)); 108 } 109 } 110 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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