[openeuler:OLK-5.10 3415/3415] arch/arm64/kernel/ipi_nmi.c:40:9: error: implicit declaration of function 'printk_safe_exit'; did you mean 'printk_nmi_exit'?

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

Hi Li,

FYI, the error/warning still remains.

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   1588d318a9e388d05b6cf5e2a63134c8beb6a355
commit: f86d165bfe5f6248743774bb07af0bd7cff12443 [3415/3415] arm64: Add non nmi ipi backtrace support
config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20251222/202512220254.DKUPaC7y-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251222/202512220254.DKUPaC7y-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512220254.DKUPaC7y-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/arm64/kernel/ipi_nmi.c: In function 'ipi_cpu_backtrace':
   arch/arm64/kernel/ipi_nmi.c:38:9: error: implicit declaration of function 'printk_safe_enter'; did you mean 'printk_nmi_enter'? [-Werror=implicit-function-declaration]
      38 |         printk_safe_enter();
         |         ^~~~~~~~~~~~~~~~~
         |         printk_nmi_enter
>> arch/arm64/kernel/ipi_nmi.c:40:9: error: implicit declaration of function 'printk_safe_exit'; did you mean 'printk_nmi_exit'? [-Werror=implicit-function-declaration]
      40 |         printk_safe_exit();
         |         ^~~~~~~~~~~~~~~~
         |         printk_nmi_exit
   cc1: some warnings being treated as errors


vim +40 arch/arm64/kernel/ipi_nmi.c

    35	
    36	static void ipi_cpu_backtrace(void *info)
    37	{
  > 38		printk_safe_enter();
    39		nmi_cpu_backtrace(get_irq_regs());
  > 40		printk_safe_exit();
    41	}
    42	

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