* Re: [PATCH v3 2/2] libnvdimm: add nd_e820.pmem automatic devdax conversion
[not found] <20250612114210.2786075-3-mclapinski@google.com>
@ 2025-06-23 10:00 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-06-23 10:00 UTC (permalink / raw)
To: Michal Clapinski, Jonathan Corbet, Dan Williams, Vishal Verma,
Dave Jiang, Ira Weiny, nvdimm
Cc: oe-kbuild-all, Paul E. McKenney, Thomas Huth, Andrew Morton,
Linux Memory Management List, Steven Rostedt,
Borislav Petkov (AMD),
Ard Biesheuvel, Greg Kroah-Hartman, Pasha Tatashin,
Mike Rapoport, linux-doc, linux-kernel, linux-cxl,
Michal Clapinski
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-lkp@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-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/202506231721.IePmiDyz-lkp@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
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