Hi Kajol, kernel test robot noticed the following build warnings:
[auto build test WARNING on powerpc/topic/ppc-kvm] [also build test WARNING on powerpc/next powerpc/fixes linus/master v6.12-rc7 next-20241115] [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/Kajol-Jain/docs-ABI-sysfs-bus-event_source-devices-vpa-pmu-Document-sysfs-event-format-entries-for-vpa_pmu/20241114-164451 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git topic/ppc-kvm patch link: https://lore.kernel.org/r/20241114084013.1140010-1-kjain%40linux.ibm.com patch subject: [PATCH 1/4] powerpc/perf: Add perf interface to expose vpa counters config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20241117/202411171117.eq9jtacb-...@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241117/202411171117.eq9jtacb-...@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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411171117.eq9jtacb-...@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/powerpc/perf/vpa-pmu.c:10: In file included from include/linux/perf_event.h:50: In file included from include/linux/pid_namespace.h:7: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> arch/powerpc/perf/vpa-pmu.c:87:32: warning: overlapping comparisons always >> evaluate to false [-Wtautological-overlap-compare] 87 | if ((event->attr.config <= 0) && (event->attr.config > 3)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ 5 warnings generated. vim +87 arch/powerpc/perf/vpa-pmu.c 72 73 static int vpa_pmu_event_init(struct perf_event *event) 74 { 75 if (event->attr.type != event->pmu->type) 76 return -ENOENT; 77 78 /* it does not support event sampling mode */ 79 if (is_sampling_event(event)) 80 return -EOPNOTSUPP; 81 82 /* no branch sampling */ 83 if (has_branch_stack(event)) 84 return -EOPNOTSUPP; 85 86 /* Invalid event code */ > 87 if ((event->attr.config <= 0) && (event->attr.config > 3)) 88 return -EINVAL; 89 90 return 0; 91 } 92 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
