lkml.org 
[lkml]   [2020]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectinclude/linux/compiler.h:344:38: error: call to '__compiletime_assert_172' declared with attribute error: BUILD_BUG_ON failed: KASAN_SHADOW_START & ~PGDIR_MASK
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 051143e1602d90ea71887d92363edd539d411de5
commit: 305d60012304684bd59ea1f67703e51662e4906a powerpc/kasan: add missing/lost Makefile
config: powerpc-randconfig-r024-20200522 (attached as .config)
compiler: powerpc-linux-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
git checkout 305d60012304684bd59ea1f67703e51662e4906a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

arch/powerpc/mm/kasan/kasan_init_32.c:135:7: warning: no previous prototype for 'module_alloc' [-Wmissing-prototypes]
135 | void *module_alloc(unsigned long size)
| ^~~~~~~~~~~~
In file included from include/linux/kernel.h:11,
from arch/powerpc/include/asm/page.h:15,
from arch/powerpc/include/asm/kasan.h:17,
from include/linux/kasan.h:14,
from arch/powerpc/mm/kasan/kasan_init_32.c:5:
arch/powerpc/mm/kasan/kasan_init_32.c: In function 'kasan_early_init':
>> include/linux/compiler.h:344:38: error: call to '__compiletime_assert_172' declared with attribute error: BUILD_BUG_ON failed: KASAN_SHADOW_START & ~PGDIR_MASK
344 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
| ^
include/linux/compiler.h:325:4: note: in definition of macro '__compiletime_assert'
325 | prefix ## suffix(); | ^~~~~~
include/linux/compiler.h:344:2: note: in expansion of macro '_compiletime_assert'
344 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
| ^~~~~~~~~~~~~~~~~~~
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/powerpc/mm/kasan/kasan_init_32.c:172:2: note: in expansion of macro 'BUILD_BUG_ON'
172 | BUILD_BUG_ON(KASAN_SHADOW_START & ~PGDIR_MASK);
| ^~~~~~~~~~~~

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=305d60012304684bd59ea1f67703e51662e4906a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 305d60012304684bd59ea1f67703e51662e4906a
vim +/__compiletime_assert_172 +344 include/linux/compiler.h

9a8ab1c39970a4 Daniel Santos 2013-02-21 330
9a8ab1c39970a4 Daniel Santos 2013-02-21 331 #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c39970a4 Daniel Santos 2013-02-21 332 __compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c39970a4 Daniel Santos 2013-02-21 333
9a8ab1c39970a4 Daniel Santos 2013-02-21 334 /**
9a8ab1c39970a4 Daniel Santos 2013-02-21 335 * compiletime_assert - break build and emit msg if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21 336 * @condition: a compile-time constant condition to check
9a8ab1c39970a4 Daniel Santos 2013-02-21 337 * @msg: a message to emit if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21 338 *
9a8ab1c39970a4 Daniel Santos 2013-02-21 339 * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c39970a4 Daniel Santos 2013-02-21 340 * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c39970a4 Daniel Santos 2013-02-21 341 * compiler has support to do so.
9a8ab1c39970a4 Daniel Santos 2013-02-21 342 */
9a8ab1c39970a4 Daniel Santos 2013-02-21 343 #define compiletime_assert(condition, msg) \
9a8ab1c39970a4 Daniel Santos 2013-02-21 @344 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c39970a4 Daniel Santos 2013-02-21 345

:::::: The code at line 344 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos <daniel.santos@pobox.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[unhandled content-type:application/gzip]
\
 
 \ /
  Last update: 2020-05-24 17:17    [W:0.074 / U:4.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site