linux-kernel - [rt-devel:linux-6.0.y-rt-rebase 30/68] kernel/softirq.c:676:54: error: implicit declaration of function 'local_pending

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Message-ID: <202209290502.Gov6B0lu-lkp@intel.com>
Date:   Thu, 29 Sep 2022 05:39:38 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [rt-devel:linux-6.0.y-rt-rebase 30/68] kernel/softirq.c:676:54:
 error: implicit declaration of function 'local_pending_timers'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-6.0.y-rt-rebase
head:   0b7c9f35358f2d8cf4082396b8fa4fd1dffce688
commit: 18fb58cf76e27e52aaf792cfc3b3f8d7a1aa2d30 [30/68] softirq: Use a dedicated thread for timer wakeups.
config: i386-randconfig-a004-20220926
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=18fb58cf76e27e52aaf792cfc3b3f8d7a1aa2d30
        git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
        git fetch --no-tags rt-devel linux-6.0.y-rt-rebase
        git checkout 18fb58cf76e27e52aaf792cfc3b3f8d7a1aa2d30
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

Note: the rt-devel/linux-6.0.y-rt-rebase HEAD 0b7c9f35358f2d8cf4082396b8fa4fd1dffce688 builds fine.
      It only hurts bisectability.

All errors (new ones prefixed by >>):

   kernel/softirq.c: In function '__irq_exit_rcu':
>> kernel/softirq.c:676:54: error: implicit declaration of function 'local_pending_timers' [-Werror=implicit-function-declaration]
     676 |                 if (IS_ENABLED(CONFIG_PREEMPT_RT) && local_pending_timers())
         |                                                      ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/local_pending_timers +676 kernel/softirq.c

   662	
   663	static inline void __irq_exit_rcu(void)
   664	{
   665	#ifndef __ARCH_IRQ_EXIT_IRQS_DISABLED
   666		local_irq_disable();
   667	#else
   668		lockdep_assert_irqs_disabled();
   669	#endif
   670		account_hardirq_exit(current);
   671		preempt_count_sub(HARDIRQ_OFFSET);
   672		if (!in_interrupt()) {
   673			if (local_softirq_pending())
   674				invoke_softirq();
   675	
 > 676			if (IS_ENABLED(CONFIG_PREEMPT_RT) && local_pending_timers())
   677				wake_timersd();
   678		}
   679	
   680		tick_irq_exit();
   681	}
   682	

-- 
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https://01.org/lkp

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