On Thu, Mar 23, 2023 at 08:54:27PM +0800, kernel test robot wrote: > Hi Mike, > > FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. sorry for the false postive, these are all related to the bug that bot wrongly handles ARCH_FORCE_MAX_ORDER. We will fix it asap. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: 51551d71edbc998fd8c8afa7312db3d270f5998e > commit: 03d7e648fa25961bb92e920e7962710aa72fb409 [225/293] loongarch: drop ranges for definition of ARCH_FORCE_MAX_ORDER > config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20230323/202303232056.LpwXNsoL-lkp@xxxxxxxxx/config) > compiler: loongarch64-linux-gcc (GCC) 12.1.0 > 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/akpm/mm.git/commit/?id=03d7e648fa25961bb92e920e7962710aa72fb409 > git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git > git fetch --no-tags akpm-mm mm-unstable > git checkout 03d7e648fa25961bb92e920e7962710aa72fb409 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Link: https://lore.kernel.org/oe-kbuild-all/202303232056.LpwXNsoL-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > In file included from <command-line>: > mm/huge_memory.c: In function 'hugepage_init': > >> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_357' declared with attribute error: BUILD_BUG_ON failed: ((14 + (14 - 3))-14) > -1 > 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > | ^ > include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert' > 378 | prefix ## suffix(); \ > | ^~~~~~ > include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert' > 397 | _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:470:9: note: in expansion of macro 'MAYBE_BUILD_BUG_ON' > 470 | MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER > MAX_ORDER); > | ^~~~~~~~~~~~~~~~~~ > > > vim +/__compiletime_assert_357 +397 include/linux/compiler_types.h > > eb5c2d4b45e3d2 Will Deacon 2020-07-21 383 > eb5c2d4b45e3d2 Will Deacon 2020-07-21 384 #define _compiletime_assert(condition, msg, prefix, suffix) \ > eb5c2d4b45e3d2 Will Deacon 2020-07-21 385 __compiletime_assert(condition, msg, prefix, suffix) > eb5c2d4b45e3d2 Will Deacon 2020-07-21 386 > eb5c2d4b45e3d2 Will Deacon 2020-07-21 387 /** > eb5c2d4b45e3d2 Will Deacon 2020-07-21 388 * compiletime_assert - break build and emit msg if condition is false > eb5c2d4b45e3d2 Will Deacon 2020-07-21 389 * @condition: a compile-time constant condition to check > eb5c2d4b45e3d2 Will Deacon 2020-07-21 390 * @msg: a message to emit if condition is false > eb5c2d4b45e3d2 Will Deacon 2020-07-21 391 * > eb5c2d4b45e3d2 Will Deacon 2020-07-21 392 * In tradition of POSIX assert, this macro will break the build if the > eb5c2d4b45e3d2 Will Deacon 2020-07-21 393 * supplied condition is *false*, emitting the supplied error message if the > eb5c2d4b45e3d2 Will Deacon 2020-07-21 394 * compiler has support to do so. > eb5c2d4b45e3d2 Will Deacon 2020-07-21 395 */ > eb5c2d4b45e3d2 Will Deacon 2020-07-21 396 #define compiletime_assert(condition, msg) \ > eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > eb5c2d4b45e3d2 Will Deacon 2020-07-21 398 > > :::::: The code at line 397 was first introduced by commit > :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h > > :::::: TO: Will Deacon <will@xxxxxxxxxx> > :::::: CC: Will Deacon <will@xxxxxxxxxx> > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests >