linux-kernel - Re: [PATCH 50/50] kernel: Rename show_stack_loglvl() => show

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Date:   Fri, 8 Nov 2019 18:08:49 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dmitry Safonov <dima@...sta.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Dmitry Safonov <dima@...sta.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ingo Molnar <mingo@...nel.org>, Jiri Slaby <jslaby@...e.com>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Subject: Re: [PATCH 50/50] kernel: Rename show_stack_loglvl() => show_stack()

Hi Dmitry,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.4-rc6]
[cannot apply to next-20191108]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Safonov/kallsyms-printk-Add-loglvl-to-print_ip_sym/20191108-124037
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 847120f859cc45e074204f4cf33c8df069306eb2
config: s390-allnoconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=s390 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arch/s390/kernel/dumpstack.c: In function 'show_regs':
>> arch/s390/kernel/dumpstack.c:178:3: error: too few arguments to function 'show_stack'
      show_stack(NULL, (unsigned long *) regs->gprs[15]);
      ^~~~~~~~~~
   arch/s390/kernel/dumpstack.c:126:6: note: declared here
    void show_stack(struct task_struct *task, unsigned long *stack,
         ^~~~~~~~~~

vim +/show_stack +178 arch/s390/kernel/dumpstack.c

1bca09f7144450 Heiko Carstens 2013-03-14  171  
1bca09f7144450 Heiko Carstens 2013-03-14  172  void show_regs(struct pt_regs *regs)
1bca09f7144450 Heiko Carstens 2013-03-14  173  {
a43cb95d547a06 Tejun Heo      2013-04-30  174  	show_regs_print_info(KERN_DEFAULT);
1bca09f7144450 Heiko Carstens 2013-03-14  175  	show_registers(regs);
1bca09f7144450 Heiko Carstens 2013-03-14  176  	/* Show stack backtrace if pt_regs is from kernel mode */
1bca09f7144450 Heiko Carstens 2013-03-14  177  	if (!user_mode(regs))
2b7b9817c2dbfc Heiko Carstens 2017-06-06 @178  		show_stack(NULL, (unsigned long *) regs->gprs[15]);
1bca09f7144450 Heiko Carstens 2013-03-14  179  	show_last_breaking_event(regs);
1bca09f7144450 Heiko Carstens 2013-03-14  180  }
1bca09f7144450 Heiko Carstens 2013-03-14  181  

:::::: The code at line 178 was first introduced by commit
:::::: 2b7b9817c2dbfce0501a313db817718fc5ef6524 s390/dumpstack: remove raw stack dump

:::::: TO: Heiko Carstens <heiko.carstens@...ibm.com>
:::::: CC: Martin Schwidefsky <schwidefsky@...ibm.com>

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

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