Re: Re: [PATCH] panic: release stale console lock to always get the logbuf printed out

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

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Hi Jan,

[auto build test ERROR on v4.3-rc4 -- if it's inappropriate base, please ignore]

config: arm64-allnoconfig (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=arm64 

All errors (new ones prefixed by >>):

   kernel/printk/printk.c: In function 'printk_log_buf_drain':
>> kernel/printk/printk.c:2410:3: error: implicit declaration of function 'zap_locks' [-Werror=implicit-function-declaration]
      zap_locks();
      ^
   cc1: some warnings being treated as errors

vim +/zap_locks +2410 kernel/printk/printk.c

  2404	void printk_log_buf_drain(bool panic)
  2405	{
  2406		bool retry;
  2407		unsigned long flags;
  2408	
  2409		if (panic)
> 2410			zap_locks();
  2411	
  2412		while (1) {
  2413			raw_spin_lock_irqsave(&logbuf_lock, flags);

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

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