Messages in this thread | | | Date | Tue, 21 Dec 2021 18:46:13 +0800 | From | kernel test robot <> | Subject | [andrea-aa:main 22/46] include/linux/compiler_types.h:335:45: error: call to '__compiletime_assert_426' declared with attribute error: BUILD_BUG_ON failed: (long) &mm_check->page_table_lock - (long) &mm_check->mmap_lock < L1_CACHE_BYTES |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git main head: 9571e82616c7501d7cc5a590c12e467ed14e31ff commit: 181520af2b00728d6bb76d98d5a531c7853333b2 [22/46] mm: cacheline alignment for page_table_lock and mmap_lock config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20211221/202112211850.LkEJiilF-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 11.2.0 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/andrea/aa.git/commit/?id=181520af2b00728d6bb76d98d5a531c7853333b2 git remote add andrea-aa https://git.kernel.org/pub/scm/linux/kernel/git/andrea/aa.git git fetch --no-tags andrea-aa main git checkout 181520af2b00728d6bb76d98d5a531c7853333b2 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/fork.c:763:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes] 763 | void __init __weak arch_task_cache_init(void) { } | ^~~~~~~~~~~~~~~~~~~~ In file included from <command-line>: kernel/fork.c: In function 'proc_caches_init': >> include/linux/compiler_types.h:335:45: error: call to '__compiletime_assert_426' declared with attribute error: BUILD_BUG_ON failed: (long) &mm_check->page_table_lock - (long) &mm_check->mmap_lock < L1_CACHE_BYTES 335 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:316:25: note: in definition of macro '__compiletime_assert' 316 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:335:9: note: in expansion of macro '_compiletime_assert' 335 | _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) | ^~~~~~~~~~~~~~~~ kernel/fork.c:2938:9: note: in expansion of macro 'BUILD_BUG_ON' 2938 | BUILD_BUG_ON((long) &mm_check->page_table_lock - | ^~~~~~~~~~~~
vim +/__compiletime_assert_426 +335 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 321 eb5c2d4b45e3d2 Will Deacon 2020-07-21 322 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 323 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 324 eb5c2d4b45e3d2 Will Deacon 2020-07-21 325 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 326 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 327 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 328 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 329 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 330 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 331 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 332 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 333 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 334 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @335 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 336
:::::: The code at line 335 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@kernel.org> :::::: CC: Will Deacon <will@kernel.org>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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