[ammarfaizi2-block:paulmck/linux-rcu/paronl.2023.02.01a 7/9] arch/x86/kernel/smpboot.c:1361:31: warning: passing argument 2 of 'do_cpu_up' makes pointer from integer without a cast

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

tree:   https://github.com/ammarfaizi2/linux-block paulmck/linux-rcu/paronl.2023.02.01a
head:   05792727280c094a8dcd1aa4950a61a2d214ddb8
commit: 5d245bcd0107a551fe69545ae757526932f9738a [7/9] x86/smpboot: Send INIT/SIPI/SIPI to secondary CPUs in parallel
config: x86_64-randconfig-a001-20230130 (https://download.01.org/0day-ci/archive/20230202/202302021052.NLAk6zgv-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/5d245bcd0107a551fe69545ae757526932f9738a
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block paulmck/linux-rcu/paronl.2023.02.01a
        git checkout 5d245bcd0107a551fe69545ae757526932f9738a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/

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

All warnings (new ones prefixed by >>):

   arch/x86/kernel/smpboot.c:1266:5: warning: no previous prototype for 'do_cpu_up' [-Wmissing-prototypes]
    1266 | int do_cpu_up(unsigned int cpu, struct task_struct *tidle)
         |     ^~~~~~~~~
   arch/x86/kernel/smpboot.c: In function 'native_cpu_kick':
   arch/x86/kernel/smpboot.c:1361:31: error: implicit declaration of function 'idle_thread_get' [-Werror=implicit-function-declaration]
    1361 |         return do_cpu_up(cpu, idle_thread_get(cpu));
         |                               ^~~~~~~~~~~~~~~
>> arch/x86/kernel/smpboot.c:1361:31: warning: passing argument 2 of 'do_cpu_up' makes pointer from integer without a cast [-Wint-conversion]
    1361 |         return do_cpu_up(cpu, idle_thread_get(cpu));
         |                               ^~~~~~~~~~~~~~~~~~~~
         |                               |
         |                               int
   arch/x86/kernel/smpboot.c:1266:53: note: expected 'struct task_struct *' but argument is of type 'int'
    1266 | int do_cpu_up(unsigned int cpu, struct task_struct *tidle)
         |                                 ~~~~~~~~~~~~~~~~~~~~^~~~~
   cc1: some warnings being treated as errors


vim +/do_cpu_up +1361 arch/x86/kernel/smpboot.c

  1357	
  1358	/* Bringup step one: Send INIT/SIPI to the target AP */
  1359	static int native_cpu_kick(unsigned int cpu)
  1360	{
> 1361		return do_cpu_up(cpu, idle_thread_get(cpu));
  1362	}
  1363	

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