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Date: Thu, 1 Sep 2022 22:21:57 +0800
From: kernel test robot <lkp@...el.com>
To: Will Deacon <will@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: include/linux/compiler_types.h:338:45: error: call to
'__compiletime_assert_302' declared with attribute error: BUILD_BUG_ON
failed: (24-12) >= 12
Hi Will,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c5e4d5e99162ba8025d58a3af7ad103f155d2df7
commit: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
date: 2 years, 1 month ago
config: arc-randconfig-r031-20220901 (https://download.01.org/0day-ci/archive/20220901/202209012255.kdvo6EYi-lkp@intel.com/config)
compiler: arc-elf-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/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-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
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:338:45: error: call to '__compiletime_assert_302' 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_302 +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://01.org/lkp
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