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Wed, 14 Jun 2023 16:03:19 +0000 Date: Thu, 15 Jun 2023 00:02:48 +0800 From: kernel test robot To: Will Deacon Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: include/linux/compiler_types.h:338:45: error: call to '__compiletime_assert_255' declared with attribute error: BUILD_BUG_ON failed: (24-12) >= 12 Message-ID: <202306142338.zMr0lCD3-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Will, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b6dad5178ceaf23f369c3711062ce1f2afc33644 commit: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h date: 2 years, 11 months ago config: arc-randconfig-r043-20230614 (https://download.01.org/0day-ci/archive/20230614/202306142338.zMr0lCD3-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin 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/torvalds/linux.git/commit/?id=eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash 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/202306142338.zMr0lCD3-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from : mm/huge_memory.c: In function 'hugepage_init': >> include/linux/compiler_types.h:338:45: error: call to '__compiletime_assert_255' declared with attribute error: BUILD_BUG_ON failed: (24-12) >= 12 338 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:319:25: note: in definition of macro '__compiletime_assert' 319 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:338:9: note: in expansion of macro '_compiletime_assert' 338 | _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:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ include/linux/bug.h:24:25: note: in expansion of macro 'BUILD_BUG_ON' 24 | BUILD_BUG_ON(cond); \ | ^~~~~~~~~~~~ mm/huge_memory.c:403:9: note: in expansion of macro 'MAYBE_BUILD_BUG_ON' 403 | MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER >= MAX_ORDER); | ^~~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_255 +338 include/linux/compiler_types.h 324 325 #define _compiletime_assert(condition, msg, prefix, suffix) \ 326 __compiletime_assert(condition, msg, prefix, suffix) 327 328 /** 329 * compiletime_assert - break build and emit msg if condition is false 330 * @condition: a compile-time constant condition to check 331 * @msg: a message to emit if condition is false 332 * 333 * In tradition of POSIX assert, this macro will break the build if the 334 * supplied condition is *false*, emitting the supplied error message if the 335 * compiler has support to do so. 336 */ 337 #define compiletime_assert(condition, msg) \ > 338 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) 339 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki