tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb commit: 6e799cb69a70eedbb41561b750f7180c12cff280 mm/highmem: Provide and use CONFIG_DEBUG_KMAP_LOCAL date: 3 months ago config: arc-randconfig-r032-20210209 (attached as .config) compiler: arceb-elf-gcc (GCC) 9.3.0 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=6e799cb69a70eedbb41561b750f7180c12cff280 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6e799cb69a70eedbb41561b750f7180c12cff280 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All errors (new ones prefixed by >>):
In file included from <command-line>:
arch/arc/mm/highmem.c: In function 'kmap_init':
>> include/linux/compiler_types.h:319:38: error: call to
>> '__compiletime_assert_234' declared with attribute error: BUILD_BUG_ON
>> failed: FIX_KMAP_SLOTS > PTRS_PER_PTE
319 | _compiletime_assert(condition, msg, __compiletime_assert_,
__COUNTER__)
| ^
include/linux/compiler_types.h:300:4: note: in definition of macro
'__compiletime_assert'
300 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:319:2: note: in expansion of macro
'_compiletime_assert'
319 | _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:50:2: note: in expansion of macro
'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
arch/arc/mm/highmem.c:69:2: note: in expansion of macro 'BUILD_BUG_ON'
69 | BUILD_BUG_ON(FIX_KMAP_SLOTS > PTRS_PER_PTE);
| ^~~~~~~~~~~~
vim +/__compiletime_assert_234 +319 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 305
eb5c2d4b45e3d2 Will Deacon 2020-07-21 306 #define
_compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 307 __compiletime_assert(condition,
msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 308
eb5c2d4b45e3d2 Will Deacon 2020-07-21 309 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 310 * compiletime_assert - break build
and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 311 * @condition: a compile-time
constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 312 * @msg: a message to emit if
condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 313 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 314 * In tradition of POSIX assert,
this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 315 * supplied condition is *false*,
emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 316 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 317 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 318 #define
compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @319 _compiletime_assert(condition,
msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 320
:::::: The code at line 319 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move
compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <w...@kernel.org>
:::::: CC: Will Deacon <w...@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
