* Re: [PATCH 4/9] perf/arm_dsu: Avoid explicit cpumask var allocation from stack
[not found] <20240402105610.1695644-5-dawei.li@shingroup.cn>
@ 2024-04-03 1:43 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-04-03 1:43 UTC (permalink / raw)
To: Dawei Li, will, mark.rutland
Cc: llvm, oe-kbuild-all, xueshuai, renyu.zj, yangyicong,
jonathan.cameron, andersson, konrad.dybcio, linux-arm-kernel,
linux-kernel, linux-arm-msm, Dawei Li
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@intel.com/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@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404030906.L4BhRzHw-lkp@intel.com/
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
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