Hi Michal, kernel test robot noticed the following build warnings:
[auto build test WARNING on linus/master] [also build test WARNING on nvdimm/libnvdimm-for-next v6.16-rc3 next-20250623] [cannot apply to nvdimm/dax-misc] [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/Michal-Clapinski/libnvdimm-e820-Add-a-new-parameter-to-split-e820-entry-into-many-regions/20250612-194354 base: linus/master patch link: https://lore.kernel.org/r/20250612114210.2786075-3-mclapinski%40google.com patch subject: [PATCH v3 2/2] libnvdimm: add nd_e820.pmem automatic devdax conversion config: x86_64-randconfig-r111-20250621 (https://download.01.org/0day-ci/archive/20250623/202506231721.iepmidyz-...@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250623/202506231721.iepmidyz-...@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/202506231721.iepmidyz-...@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/nvdimm/pfn_devs.c:684:23: sparse: sparse: incorrect type in >> assignment (different base types) @@ expected restricted __le32 >> [usertype] align @@ got restricted __le64 [usertype] @@ drivers/nvdimm/pfn_devs.c:684:23: sparse: expected restricted __le32 [usertype] align drivers/nvdimm/pfn_devs.c:684:23: sparse: got restricted __le64 [usertype] vim +684 drivers/nvdimm/pfn_devs.c 646 647 int nd_pfn_set_dax_defaults(struct nd_pfn *nd_pfn) 648 { 649 struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb; 650 struct nd_namespace_common *ndns = nd_pfn->ndns; 651 struct nd_region *nd_region = to_nd_region(nd_pfn->dev.parent); 652 struct nd_namespace_io *nsio; 653 struct resource *res; 654 unsigned long align; 655 656 if (!pfn_sb || !ndns) 657 return -ENODEV; 658 659 if (!is_memory(nd_pfn->dev.parent)) 660 return -ENODEV; 661 662 if (nd_region->provider_data) { 663 align = (unsigned long)nd_region->provider_data; 664 } else { 665 nsio = to_nd_namespace_io(&ndns->dev); 666 res = &nsio->res; 667 align = nd_best_supported_alignment(res->start, res->end); 668 if (!align) { 669 dev_err(&nd_pfn->dev, "init failed, resource misaligned\n"); 670 return -EOPNOTSUPP; 671 } 672 } 673 674 memset(pfn_sb, 0, sizeof(*pfn_sb)); 675 676 if (!nd_pfn->uuid) { 677 nd_pfn->uuid = kmemdup(pfn_sb->uuid, 16, GFP_KERNEL); 678 if (!nd_pfn->uuid) 679 return -ENOMEM; 680 nd_pfn->align = align; 681 nd_pfn->mode = PFN_MODE_RAM; 682 } 683 > 684 pfn_sb->align = cpu_to_le64(nd_pfn->align); 685 pfn_sb->mode = cpu_to_le32(nd_pfn->mode); 686 687 return nd_pfn_checks(nd_pfn, 0, 0, 0); 688 } 689 EXPORT_SYMBOL(nd_pfn_set_dax_defaults); 690 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
