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Tue, 30 May 2023 18:08:35 +0000 Date: Wed, 31 May 2023 02:08:18 +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_304' declared with attribute error: BUILD_BUG_ON failed: SECTIONS_WIDTH + NODES_WIDTH + ZONES_WIDTH + ilog2(roundup_pow_of_two(NR_CPUS)) > 32 Message-ID: <202305310229.cc0htUa0-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: 8b817fded42d8fe3a0eb47b1149d907851a3c942 commit: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h date: 2 years, 10 months ago config: sparc-randconfig-r016-20230530 (https://download.01.org/0day-ci/archive/20230531/202305310229.cc0htUa0-lkp@intel.com/config) compiler: sparc64-linux-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=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash arch/sparc/mm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202305310229.cc0htUa0-lkp@intel.com/ All errors (new ones prefixed by >>): arch/sparc/mm/init_64.c: In function 'arch_hugetlb_valid_size': arch/sparc/mm/init_64.c:354:24: error: variable 'hv_pgsz_idx' set but not used [-Werror=unused-but-set-variable] 354 | unsigned short hv_pgsz_idx; | ^~~~~~~~~~~ In file included from : arch/sparc/mm/init_64.c: In function 'paging_init': >> include/linux/compiler_types.h:338:45: error: call to '__compiletime_assert_304' declared with attribute error: BUILD_BUG_ON failed: SECTIONS_WIDTH + NODES_WIDTH + ZONES_WIDTH + ilog2(roundup_pow_of_two(NR_CPUS)) > 32 338 | _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) | ^~~~~~~~~~~~~~~~ arch/sparc/mm/init_64.c:2306:9: note: in expansion of macro 'BUILD_BUG_ON' 2306 | BUILD_BUG_ON(SECTIONS_WIDTH + NODES_WIDTH + ZONES_WIDTH + | ^~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/__compiletime_assert_304 +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