Hi Dawei, kernel test robot noticed the following build errors: [auto build test ERROR on soc/for-next] [also build test ERROR on linus/master v6.9-rc2 next-20240402] [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/Dawei-Li/perf-alibaba_uncore_drw-Avoid-explicit-cpumask-var-allocation-from-stack/20240402-192244 base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next patch link: https://lore.kernel.org/r/20240402105610.1695644-5-dawei.li%40shingroup.cn patch subject: [PATCH 4/9] perf/arm_dsu: Avoid explicit cpumask var allocation from stack config: arm64-randconfig-001-20240403 (https://download.01.org/0day-ci/archive/20240403/202404030906.L4BhRzHw-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240403/202404030906.L4BhRzHw-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404030906.L4BhRzHw-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/perf/arm_dsu_pmu.c:243:24: error: incompatible pointer types passing 'cpumask_var_t *' (aka 'struct cpumask **') to parameter of type 'const struct cpumask *'; remove & [-Werror,-Wincompatible-pointer-types] ret = cpumask_any_but(&online_supported, cpu); ^~~~~~~~~~~~~~~~~ include/linux/cpumask.h:379:52: note: passing argument to parameter 'mask' here unsigned int cpumask_any_but(const struct cpumask *mask, unsigned int cpu) ^ 1 error generated. vim +243 drivers/perf/arm_dsu_pmu.c 232 233 static unsigned int dsu_pmu_get_online_cpu_any_but(struct dsu_pmu *dsu_pmu, int cpu) 234 { 235 cpumask_var_t online_supported; 236 unsigned int ret; 237 238 if (!alloc_cpumask_var(&online_supported, GFP_KERNEL)) 239 return -ENOMEM; 240 241 cpumask_and(online_supported, 242 &dsu_pmu->associated_cpus, cpu_online_mask); > 243 ret = cpumask_any_but(&online_supported, cpu); 244 245 free_cpumask_var(online_supported); 246 247 return ret; 248 } 249 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki