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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@vger.kernel.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, Michal Clapinski Subject: Re: [PATCH v3 2/2] libnvdimm: add nd_e820.pmem automatic devdax conversion Message-ID: <202506231721.IePmiDyz-lkp@intel.com> References: <20250612114210.2786075-3-mclapinski@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250612114210.2786075-3-mclapinski@google.com> X-Rspamd-Queue-Id: 52FE010000D X-Stat-Signature: xqncehc3w5o9dcgiarq1jpo7hhy7747e X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1750672840-849631 X-HE-Meta: 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 IJo236QZ gu1Jlgm5BsWajnZTYgmzJxG73Oayu5GK7bUnjz68pW8/7dFlvDmkFYeL9bXL4eAABNxL0VtfsxSSD29JFSY9/oFkC64UfZnklrzNLcsyQb8/W3cjF1NZt7URMexipKXsGqQI5abeoG0IH3gW3Q+aFIibk98TvNfw+A0mYa7PKezDCK2v994L3zVdWvtn57/PFaHWmg5LSbfby59ezH+7F4YATuaR89g9NbRor4IHhIkXk+evplRMUBEFFu35d2Xp6XraRLYtHcrN4Lbn8WHBEwZhmFHXCLk3/RZZ397gOJYgbKuEwDprLRDZem1IB02As1W5Q956qr7QxAsO61U+Lx6mVzsWgb8+bQJ8HcEm3ltM4kWcj+YTngUYOkcy7GDP4ku1fyumXBdkEIdSfiGiExd1nTd1F34h8+ADg1WRQqFxxh7w= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 | 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