tree: https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git arm64_defconfig_v5.13_3 head: 2ea9ff6fb9aa7644eb20f97f6c52e72e1b205533 commit: 2ea9ff6fb9aa7644eb20f97f6c52e72e1b205533 [95/95] ARM: socfpga: drop ARCH_SOCFPGA config: arm-allyesconfig (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 # https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git/commit... git remote add dinguyen https://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux.git git fetch --no-tags dinguyen arm64_defconfig_v5.13_3 git checkout 2ea9ff6fb9aa7644eb20f97f6c52e72e1b205533 # 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 errors (new ones prefixed by >>): In file included from <command-line>: drivers/firmware/stratix10-rsu.c: In function 'rsu_status_callback': 320 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:301:4: note: in definition of macro '__compiletime_assert' 301 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:320:2: note: in expansion of macro '_compiletime_assert' 320 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG' 52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, \ | ^~~~~~~~~~~~~~~~ include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK' 108 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \ | ^~~~~~~~~~~~~~~~ drivers/firmware/stratix10-rsu.c:96:26: note: in expansion of macro 'FIELD_GET' 96 | priv->status.version = FIELD_GET(RSU_VERSION_MASK, | ^~~~~~~~~ include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_192' declared with attribute error: FIELD_GET: type of reg too small for mask 320 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:301:4: note: in definition of macro '__compiletime_assert' 301 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:320:2: note: in expansion of macro '_compiletime_assert' 320 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/bitfield.h:52:3: note: in expansion of macro 'BUILD_BUG_ON_MSG' 52 | BUILD_BUG_ON_MSG((_mask) > (typeof(_reg))~0ull, \ | ^~~~~~~~~~~~~~~~ include/linux/bitfield.h:108:3: note: in expansion of macro '__BF_FIELD_CHECK' 108 | __BF_FIELD_CHECK(_mask, _reg, 0U, "FIELD_GET: "); \ | ^~~~~~~~~~~~~~~~ drivers/firmware/stratix10-rsu.c:104:4: note: in expansion of macro 'FIELD_GET' 104 | FIELD_GET(RSU_ERROR_DETAIL_MASK, res->a3); | ^~~~~~~~~ vim +/__compiletime_assert_177 +320 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 306 eb5c2d4b45e3d2 Will Deacon 2020-07-21 307 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 308 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 309 eb5c2d4b45e3d2 Will Deacon 2020-07-21 310 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 311 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 312 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @320 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 :::::: The code at line 320 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon <will(a)kernel.org&gt; :::::: CC: Will Deacon <will(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org