Re: [PATCH 27/31] Add debugger entry points for M68K

From: kbuild test robot
Date: Thu Jan 28 2016 - 16:25:44 EST


Hi Jeffrey,

[auto build test ERROR on v4.5-rc1]
[also build test ERROR on next-20160128]
[cannot apply to tip/x86/core]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Jeffrey-Merkey/Add-hard-soft-lockup-debugger-entry-points/20160129-035852
config: m68k-sun3_defconfig (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
# save the attached .config to linux build tree
make.cross ARCH=m68k

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

In file included from kernel/notifier.c:1:0:
>> include/linux/kdebug.h:20:16: warning: 'enum die_val' declared inside parameter list
struct pt_regs *regs, long err, int trap, int sig);
^
>> include/linux/kdebug.h:20:16: warning: its scope is only this definition or declaration, which is probably not what you want
>> kernel/notifier.c:537:16: warning: 'enum die_val' declared inside parameter list
struct pt_regs *regs, long err, int trap, int sig)
^
>> kernel/notifier.c:536:37: error: parameter 1 ('val') has incomplete type
int notrace notify_die(enum die_val val, const char *str,
^
kernel/notifier.c: In function 'notify_die':
>> kernel/notifier.c:550:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^

vim +20 include/linux/kdebug.h

1eeb66a1 Christoph Hellwig 2007-05-08 4 #include <asm/kdebug.h>
1eeb66a1 Christoph Hellwig 2007-05-08 5
fe9844d5 Andrew Morton 2007-07-31 6 struct notifier_block;
fe9844d5 Andrew Morton 2007-07-31 7
1eeb66a1 Christoph Hellwig 2007-05-08 8 struct die_args {
1eeb66a1 Christoph Hellwig 2007-05-08 9 struct pt_regs *regs;
1eeb66a1 Christoph Hellwig 2007-05-08 10 const char *str;
1eeb66a1 Christoph Hellwig 2007-05-08 11 long err;
1eeb66a1 Christoph Hellwig 2007-05-08 12 int trapnr;
1eeb66a1 Christoph Hellwig 2007-05-08 13 int signr;
1eeb66a1 Christoph Hellwig 2007-05-08 14 };
1eeb66a1 Christoph Hellwig 2007-05-08 15
1eeb66a1 Christoph Hellwig 2007-05-08 16 int register_die_notifier(struct notifier_block *nb);
1eeb66a1 Christoph Hellwig 2007-05-08 17 int unregister_die_notifier(struct notifier_block *nb);
1eeb66a1 Christoph Hellwig 2007-05-08 18
1eeb66a1 Christoph Hellwig 2007-05-08 19 int notify_die(enum die_val val, const char *str,
1eeb66a1 Christoph Hellwig 2007-05-08 @20 struct pt_regs *regs, long err, int trap, int sig);
1eeb66a1 Christoph Hellwig 2007-05-08 21
1eeb66a1 Christoph Hellwig 2007-05-08 22 #endif /* _LINUX_KDEBUG_H */

:::::: The code at line 20 was first introduced by commit
:::::: 1eeb66a1bb973534dc3d064920a5ca683823372e move die notifier handling to common code

:::::: TO: Christoph Hellwig <hch@xxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxxxxxxxx>

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