tree: https://github.com/bvanassche/linux scsi-for-next head: d8044d773ae9d9e70f9c61f98296c6c8391447ad commit: f135308b20ad66b766bd6850a6fc591790a4df09 [33/41] Introduce more members in the scsi_status union config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/bvanassche/linux/commit/f135308b20ad66b766bd6850a6fc59... git remote add bvanassche https://github.com/bvanassche/linux git fetch --no-tags bvanassche scsi-for-next git checkout f135308b20ad66b766bd6850a6fc591790a4df09 # save the attached .config to linux build tree make W=1 W=1 ARCH=x86_64 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/scsi/scsi.c: In function 'init_scsi': 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/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ drivers/scsi/scsi.c:774:2: note: in expansion of macro 'BUILD_BUG_ON' 774 | BUILD_BUG_ON(TEST_STATUS.combined != 0x01020308); | ^~~~~~~~~~~~ include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_488' declared with attribute error: BUILD_BUG_ON failed: driver_byte(TEST_STATUS) != 1 320 | _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/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ drivers/scsi/scsi.c:775:2: note: in expansion of macro 'BUILD_BUG_ON' 775 | BUILD_BUG_ON(driver_byte(TEST_STATUS) != 1); | ^~~~~~~~~~~~ include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_489' declared with attribute error: BUILD_BUG_ON failed: host_byte(TEST_STATUS) != 2 320 | _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/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ drivers/scsi/scsi.c:776:2: note: in expansion of macro 'BUILD_BUG_ON' 776 | BUILD_BUG_ON(host_byte(TEST_STATUS) != 2); | ^~~~~~~~~~~~ include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_490' declared with attribute error: BUILD_BUG_ON failed: msg_byte(TEST_STATUS) != 3 320 | _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/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ drivers/scsi/scsi.c:777:2: note: in expansion of macro 'BUILD_BUG_ON' 777 | BUILD_BUG_ON(msg_byte(TEST_STATUS) != 3); | ^~~~~~~~~~~~ include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_491' declared with attribute error: BUILD_BUG_ON failed: status_byte(TEST_STATUS) != 4 320 | _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/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ drivers/scsi/scsi.c:778:2: note: in expansion of macro 'BUILD_BUG_ON' 778 | BUILD_BUG_ON(status_byte(TEST_STATUS) != 4); | ^~~~~~~~~~~~ vim +/__compiletime_assert_487 +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