Hi Vineet,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 148341f0a2f53b5e8808d09d85170586a15d
commit: d9820ff76f95fa26d33e412254a89cd65b23142d ARC: mm: switch pgtable_t back
to struct page *
date: 1 year, 7 months ago
config: arc-randconfig-r043-20230403
(https://download.01.org/0day-ci/archive/20230404/202304042243.qmbldzfx-...@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=d9820ff76f95fa26d33e412254a89cd65b23142d
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d9820ff76f95fa26d33e412254a89cd65b23142d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1
O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$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
| Link:
https://lore.kernel.org/oe-kbuild-all/202304042243.qmbldzfx-...@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_313' declared with attribute error: BUILD_BUG_ON
>> failed: (PTRS_PER_PTE * sizeof(pte_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:194:9: note: in expansion of macro 'BUILD_BUG_ON'
194 | BUILD_BUG_ON((PTRS_PER_PTE * sizeof(pte_t)) > PAGE_SIZE);
| ^~~~
vim +/__compiletime_assert_313 +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
:: eb5c2d4b45e3d2d5d0