// CC mn10300 maintainers.
On Mon, Jun 01, 2015 at 04:27:55PM -0700, josh@xxxxxxxxxxxxxxxx wrote:
> On Tue, Jun 02, 2015 at 06:08:25AM +0800, kbuild test robot wrote:
> > All error/warnings:
> >
> > 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);
>
> This looks like a bug in mn10300. This code is within an ifdef on
> CONFIG_GENERIC_BUG, and the declaration of the structure is within
> ifdefs on both CONFIG_GENERIC_BUG and CONFIG_BUG, but:
>
> > CONFIG_MN10300=y
> [...]
> > CONFIG_GENERIC_BUG=y
> [...]
> > # CONFIG_BUG is not set
>
> Other architectures, including x86 (arch/x86/Kconfig) and powerpc
> (arch/powerpc/Kconfig) have GENERIC_BUG depend on BUG. Looks like
> mn10300 doesn't.
>
> - Josh Triplett
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>