Re: [PATCH 17/31] Add debugger entry points for ARM

From: kbuild test robot
Date: Thu Jan 28 2016 - 16:24:24 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: arm-sa1100 (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=arm

All errors (new ones prefixed by >>):

In file included from arch/arm/kernel/traps.c:21:0:
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
arch/arm/kernel/traps.c: In function '__die':
>> arch/arm/kernel/traps.c:247:19: error: 'DIE_OOPS' undeclared (first use in this function)
ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV);
^
arch/arm/kernel/traps.c:247:19: note: each undeclared identifier is reported only once for each function it appears in
>> arch/arm/kernel/traps.c:247:2: error: type of formal parameter 1 is incomplete
ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV);
^
--
In file included from include/linux/kdebug.h:4:0,
from kernel/notifier.c:1:
arch/arm/include/asm/kdebug.h: In function 'arch_breakpoint':
>> arch/arm/include/asm/kdebug.h:4:6: error: expected string literal before '__inst_arm'
asm(__inst_arm(0xe7ffdeff));
^
In file included from kernel/notifier.c:1:0:
include/linux/kdebug.h: At top level:
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 +/__inst_arm +4 arch/arm/include/asm/kdebug.h

1
2 static inline void arch_breakpoint(void)
3 {
> 4 asm(__inst_arm(0xe7ffdeff));
5 }

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