linux-kernel - [tip:irq/core 39/46] drivers/irqchip/irq-loongarch-avec.c:82:17: error: implicit declaration of function 'loongson_send_ipi

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Message-ID: <202406240451.ygBFNyJ3-lkp@intel.com>
Date: Mon, 24 Jun 2024 05:06:09 +0800
From: kernel test robot <lkp@...el.com>
To: Tianyang Zhang <zhangtianyang@...ngson.cn>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	Jianmin Lv <lvjianmin@...ngson.cn>,
	Liupu Wang <wangliupu@...ngson.cn>
Subject: [tip:irq/core 39/46] drivers/irqchip/irq-loongarch-avec.c:82:17:
 error: implicit declaration of function 'loongson_send_ipi_single'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
head:   c9d269469d2b9a06559cdc84d12dd3fb4d552581
commit: 760d7e719499d64beea62bfcf53938fb233bb6e7 [39/46] Loongarch: Support loongarch avec
config: loongarch-allnoconfig (https://download.01.org/0day-ci/archive/20240624/202406240451.ygBFNyJ3-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240624/202406240451.ygBFNyJ3-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406240451.ygBFNyJ3-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/irqchip/irq-loongarch-avec.c: In function 'loongarch_avec_sync':
>> drivers/irqchip/irq-loongarch-avec.c:82:17: error: implicit declaration of function 'loongson_send_ipi_single' [-Werror=implicit-function-declaration]
      82 |                 loongson_send_ipi_single(adata->prev_cpu, SMP_CLEAR_VECT);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/irqchip/irq-loongarch-avec.c:82:59: error: 'SMP_CLEAR_VECT' undeclared (first use in this function)
      82 |                 loongson_send_ipi_single(adata->prev_cpu, SMP_CLEAR_VECT);
         |                                                           ^~~~~~~~~~~~~~
   drivers/irqchip/irq-loongarch-avec.c:82:59: note: each undeclared identifier is reported only once for each function it appears in
   drivers/irqchip/irq-loongarch-avec.c: In function 'complete_irq_moving':
   drivers/irqchip/irq-loongarch-avec.c:173:55: error: 'SMP_CLEAR_VECT' undeclared (first use in this function)
     173 |                         loongson_send_ipi_single(cpu, SMP_CLEAR_VECT);
         |                                                       ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/loongson_send_ipi_single +82 drivers/irqchip/irq-loongarch-avec.c

    73	
    74	static void loongarch_avec_sync(struct loongarch_avec_data *adata)
    75	{
    76		struct pending_list *plist;
    77	
    78		if (cpu_online(adata->prev_cpu)) {
    79			plist = per_cpu_ptr(&pending_list, adata->prev_cpu);
    80			list_add_tail(&adata->entry, &plist->head);
    81			adata->moving = true;
  > 82			loongson_send_ipi_single(adata->prev_cpu, SMP_CLEAR_VECT);
    83		}
    84		adata->prev_cpu = adata->cpu;
    85		adata->prev_vec = adata->vec;
    86	}
    87	

-- 
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https://github.com/intel/lkp-tests/wiki