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Subjectinclude/linux/bug.h:93:12: error: dereferencing pointer to incomplete type
Hi Josh,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: fc77dbd34c5c99bce46d40a2491937c3bcbd10af
commit: 5d2acfc7b974bbd3858b4dd3f2cdc6362dd8843a kconfig: make allnoconfig disable options behind EMBEDDED and EXPERT
date: 1 year, 11 months ago
config: mn10300-allnoconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 5d2acfc7b974bbd3858b4dd3f2cdc6362dd8843a
# save the attached .config to linux build tree
make.cross ARCH=mn10300

All errors (new ones prefixed by >>):

In file included from include/linux/page-flags.h:9:0,
from kernel/bounds.c:9:
include/linux/bug.h:91:47: warning: 'struct bug_entry' declared inside parameter list
static inline int is_warning_bug(const struct bug_entry *bug)
^
include/linux/bug.h:91:47: warning: its scope is only this definition or declaration, which is probably not what you want
include/linux/bug.h: In function 'is_warning_bug':
>> include/linux/bug.h:93:12: error: dereferencing pointer to incomplete type
return bug->flags & BUGFLAG_WARNING;
^
make[2]: *** [kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [sub-make] Error 2

vim +93 include/linux/bug.h

35edd910 Paul Gortmaker 2011-11-16 85
35edd910 Paul Gortmaker 2011-11-16 86 #endif /* __CHECKER__ */
35edd910 Paul Gortmaker 2011-11-16 87
7664c5a1 Jeremy Fitzhardinge 2006-12-08 88 #ifdef CONFIG_GENERIC_BUG
7664c5a1 Jeremy Fitzhardinge 2006-12-08 89 #include <asm-generic/bug.h>
7664c5a1 Jeremy Fitzhardinge 2006-12-08 90
7664c5a1 Jeremy Fitzhardinge 2006-12-08 @91 static inline int is_warning_bug(const struct bug_entry *bug)
7664c5a1 Jeremy Fitzhardinge 2006-12-08 92 {
7664c5a1 Jeremy Fitzhardinge 2006-12-08 @93 return bug->flags & BUGFLAG_WARNING;
7664c5a1 Jeremy Fitzhardinge 2006-12-08 94 }
7664c5a1 Jeremy Fitzhardinge 2006-12-08 95
7664c5a1 Jeremy Fitzhardinge 2006-12-08 96 const struct bug_entry *find_bug(unsigned long bugaddr);

:::::: The code at line 93 was first introduced by commit
:::::: 7664c5a1da4711bb6383117f51b94c8dc8f3f1cd [PATCH] Generic BUG implementation

:::::: TO: Jeremy Fitzhardinge <jeremy@goop.org>
:::::: CC: Linus Torvalds <torvalds@woody.osdl.org>

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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