linux-kernel - [peterz-queue:sched/idle 27/33] include/linux/thread_info.h:182:16: error: implicit declaration of function 'arch_test_bit'; did you mean 'test

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Message-ID: <202206060037.oU7dxd19-lkp@intel.com>
Date:   Mon, 6 Jun 2022 00:10:44 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [peterz-queue:sched/idle 27/33] include/linux/thread_info.h:182:16:
 error: implicit declaration of function 'arch_test_bit'; did you mean
 'test_bit'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/idle
head:   5aca393851ce7ebb9a3405bb4ffd4f38d96949e4
commit: bb0533e97a1f03b96874efacec607cffb5fa7a3a [27/33] cpuidle,sched: Remove annotations from TIF_{POLLING_NRFLAG,NEED_RESCHED}
config: ia64-buildonly-randconfig-r002-20220605 (https://download.01.org/0day-ci/archive/20220606/202206060037.oU7dxd19-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=bb0533e97a1f03b96874efacec607cffb5fa7a3a
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/idle
        git checkout bb0533e97a1f03b96874efacec607cffb5fa7a3a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=ia64 prepare

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

All errors (new ones prefixed by >>):

   In file included from include/asm-generic/preempt.h:5,
                    from ./arch/ia64/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/rcupdate.h:27,
                    from include/linux/rculist.h:11,
                    from include/linux/sched/signal.h:5,
                    from arch/ia64/kernel/asm-offsets.c:10:
   include/linux/thread_info.h: In function 'tif_need_resched':
>> include/linux/thread_info.h:182:16: error: implicit declaration of function 'arch_test_bit'; did you mean 'test_bit'? [-Werror=implicit-function-declaration]
     182 |         return arch_test_bit(TIF_NEED_RESCHED,
         |                ^~~~~~~~~~~~~
         |                test_bit
   arch/ia64/kernel/asm-offsets.c: At top level:
   arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes]
      23 | void foo(void)
         |      ^~~
   cc1: some warnings being treated as errors
   make[2]: *** [scripts/Makefile.build:121: arch/ia64/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1196: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +182 include/linux/thread_info.h

   179	
   180	static __always_inline bool tif_need_resched(void)
   181	{
 > 182		return arch_test_bit(TIF_NEED_RESCHED,
   183				     (unsigned long *)(&current_thread_info()->flags));
   184	}
   185	

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