Re: [PATCH v2] Add hard/soft lockup debugger entry points

[kbuild test robot <lkp@intel.com>]

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Hi Jeff,

[auto build test ERROR on v4.5-rc1]
[also build test ERROR on next-20160125]
[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/Jeff-Merkey/Add-hard-soft-lockup-debugger-entry-points/20160127-010930
config: xtensa-allyesconfig (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=xtensa 

All errors (new ones prefixed by >>):

   kernel/watchdog.c: In function 'watchdog_timer_fn':
>> kernel/watchdog.c:489:4: error: implicit declaration of function 'arch_kgdb_breakpoint' [-Werror=implicit-function-declaration]
       arch_kgdb_breakpoint();
       ^
   cc1: some warnings being treated as errors

vim +/arch_kgdb_breakpoint +489 kernel/watchdog.c

   483			if (regs)
   484				show_regs(regs);
   485			else
   486				dump_stack();
   487	
   488			if (debug_watchdog_lockups)
 > 489				arch_kgdb_breakpoint();
   490	
   491			if (softlockup_all_cpu_backtrace) {
   492				/* Avoid generating two back traces for current

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

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