Hi Neeraj, kernel test robot noticed the following build warnings:
[auto build test WARNING on f11a5f89910a7ae970fbce4fdc02d86a8ba8570f] url: https://github.com/intel-lab-lkp/linux/commits/Neeraj-Kumar/nvdimm-label-Introduce-NDD_CXL_LABEL-flag-to-set-cxl-label-format/20250730-202209 base: f11a5f89910a7ae970fbce4fdc02d86a8ba8570f patch link: https://lore.kernel.org/r/20250730121209.303202-21-s.neeraj%40samsung.com patch subject: [PATCH V2 20/20] cxl/pmem_region: Add sysfs attribute cxl region label updation/deletion config: i386-randconfig-062-20250731 (https://download.01.org/0day-ci/archive/20250731/202507311814.ngkmd10b-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250731/202507311814.ngkmd10b-...@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/202507311814.ngkmd10b-...@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/cxl/core/pmem_region.c:127:1: sparse: sparse: symbol >> 'dev_attr_region_label_delete' was not declared. Should it be static? >> drivers/cxl/core/pmem_region.c:135:24: sparse: sparse: symbol >> 'cxl_pmem_region_group' was not declared. Should it be static? vim +/dev_attr_region_label_delete +127 drivers/cxl/core/pmem_region.c 102 103 static ssize_t region_label_delete_store(struct device *dev, 104 struct device_attribute *attr, 105 const char *buf, size_t len) 106 { 107 struct cxl_pmem_region *cxlr_pmem = to_cxl_pmem_region(dev); 108 struct cxl_region *cxlr = cxlr_pmem->cxlr; 109 struct cxl_region_params *p = &cxlr->params; 110 ssize_t rc; 111 112 ACQUIRE(rwsem_write_kill, rwsem)(&cxl_rwsem.region); 113 rc = ACQUIRE_ERR(rwsem_write_kill, &rwsem); 114 if (rc) 115 return rc; 116 117 if (cxlr && cxlr->cxlr_pmem && cxlr->cxlr_pmem->nd_region) { 118 rc = nd_region_label_delete(cxlr->cxlr_pmem->nd_region); 119 if (rc) 120 return rc; 121 } 122 123 p->region_label_state = 0; 124 125 return len; 126 } > 127 DEVICE_ATTR_WO(region_label_delete); 128 129 static struct attribute *cxl_pmem_region_attrs[] = { 130 &dev_attr_region_label_update.attr, 131 &dev_attr_region_label_delete.attr, 132 NULL 133 }; 134 > 135 struct attribute_group cxl_pmem_region_group = { 136 .attrs = cxl_pmem_region_attrs, 137 }; 138 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
