Hi Jacob, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on jkirsher-next-queue/dev-queue] [cannot apply to net-next/master ipvs/master linus/master v5.8-rc6 next-20200717] [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] url: https://github.com/0day-ci/linux/commits/Jacob-Keller/introduce-PLDM-firm... base: https://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue.git dev-queue config: arm-randconfig-c022-20200717 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from lib/pldmfw/pldmfw.c:15: 60 | } __packed __aligned(1); | ^ 45 | struct __pldm_timestamp release_date; /* PackageReleaseDateTime */ | ^~~~~~~~~~~~ vim +60 lib/pldmfw/pldmfw_private.h 6b3d6687bf587b Jacob Keller 2020-07-17 39 6b3d6687bf587b Jacob Keller 2020-07-17 40 /* Package Header Information */ 6b3d6687bf587b Jacob Keller 2020-07-17 41 struct __pldm_header { 6b3d6687bf587b Jacob Keller 2020-07-17 42 uuid_t id; /* PackageHeaderIdentifier */ 6b3d6687bf587b Jacob Keller 2020-07-17 43 u8 revision; /* PackageHeaderFormatRevision */ 6b3d6687bf587b Jacob Keller 2020-07-17 44 __le16 size; /* PackageHeaderSize */ 6b3d6687bf587b Jacob Keller 2020-07-17 @45 struct __pldm_timestamp release_date; /* PackageReleaseDateTime */ 6b3d6687bf587b Jacob Keller 2020-07-17 46 __le16 component_bitmap_len; /* ComponentBitmapBitLength */ 6b3d6687bf587b Jacob Keller 2020-07-17 47 u8 version_type; /* PackageVersionStringType */ 6b3d6687bf587b Jacob Keller 2020-07-17 48 u8 version_len; /* PackageVersionStringLength */ 6b3d6687bf587b Jacob Keller 2020-07-17 49 6b3d6687bf587b Jacob Keller 2020-07-17 50 /* 6b3d6687bf587b Jacob Keller 2020-07-17 51 * DSP0267 also includes the following variable length fields at the 6b3d6687bf587b Jacob Keller 2020-07-17 52 * end of this structure: 6b3d6687bf587b Jacob Keller 2020-07-17 53 * 6b3d6687bf587b Jacob Keller 2020-07-17 54 * PackageVersionString, length is version_len. 6b3d6687bf587b Jacob Keller 2020-07-17 55 * 6b3d6687bf587b Jacob Keller 2020-07-17 56 * The total size of this section is 6b3d6687bf587b Jacob Keller 2020-07-17 57 * sizeof(pldm_header) + version_len; 6b3d6687bf587b Jacob Keller 2020-07-17 58 */ 6b3d6687bf587b Jacob Keller 2020-07-17 59 u8 version_string[]; /* PackageVersionString */ 6b3d6687bf587b Jacob Keller 2020-07-17 @60 } __packed __aligned(1); 6b3d6687bf587b Jacob Keller 2020-07-17 61 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org