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Thu, 20 Jul 2023 17:35:26 +0000 Date: Fri, 21 Jul 2023 01:35:17 +0800 From: kernel test robot To: Vineet Gupta Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org Subject: include/linux/compiler_types.h:328:45: error: call to '__compiletime_assert_312' declared with attribute error: BUILD_BUG_ON failed: (PTRS_PER_PGD * sizeof(pgd_t)) > PAGE_SIZE Message-ID: <202307210114.a8lhJ4rl-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 Vineet, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 46670259519f4ee4ab378dc014798aabe77c5057 commit: d9820ff76f95fa26d33e412254a89cd65b23142d ARC: mm: switch pgtable_t back to struct page * date: 1 year, 11 months ago config: arc-randconfig-r014-20230720 (https://download.01.org/0day-ci/archive/20230721/202307210114.a8lhJ4rl-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230721/202307210114.a8lhJ4rl-lkp@intel.com/reproduce) 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/202307210114.a8lhJ4rl-lkp@intel.com/ All errors (new ones prefixed by >>): arch/arc/mm/init.c:35:13: warning: no previous prototype for 'arc_get_mem_sz' [-Wmissing-prototypes] 35 | long __init arc_get_mem_sz(void) | ^~~~~~~~~~~~~~ arch/arc/mm/init.c:88:13: warning: no previous prototype for 'setup_arch_memory' [-Wmissing-prototypes] 88 | void __init setup_arch_memory(void) | ^~~~~~~~~~~~~~~~~ In file included from : arch/arc/mm/init.c: In function 'mem_init': >> include/linux/compiler_types.h:328:45: error: call to '__compiletime_assert_312' declared with attribute error: BUILD_BUG_ON failed: (PTRS_PER_PGD * sizeof(pgd_t)) > PAGE_SIZE 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:309:25: note: in definition of macro '__compiletime_assert' 309 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:328:9: note: in expansion of macro '_compiletime_assert' 328 | _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/arc/mm/init.c:193:9: note: in expansion of macro 'BUILD_BUG_ON' 193 | BUILD_BUG_ON((PTRS_PER_PGD * sizeof(pgd_t)) > PAGE_SIZE); | ^~~~~~~~~~~~ vim +/__compiletime_assert_312 +328 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 319 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 320 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 326 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 327 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @328 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 329 :::::: The code at line 328 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon :::::: CC: Will Deacon -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki