[ammarfaizi2-block:paulmck/linux-rcu/paronl.2023.02.01a 7/9] arch/x86/kernel/smpboot.c:1361:24: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'struct task_struct *'

[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-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20230202/202302021103.5o9vwutp-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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://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
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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 function 'do_cpu_up' [-Wmissing-prototypes]
   int do_cpu_up(unsigned int cpu, struct task_struct *tidle)
       ^
   arch/x86/kernel/smpboot.c:1266:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int do_cpu_up(unsigned int cpu, struct task_struct *tidle)
   ^
   static 
   arch/x86/kernel/smpboot.c:1361:24: error: implicit declaration of function 'idle_thread_get' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           return do_cpu_up(cpu, idle_thread_get(cpu));
                                 ^
>> arch/x86/kernel/smpboot.c:1361:24: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'struct task_struct *' [-Wint-conversion]
           return do_cpu_up(cpu, idle_thread_get(cpu));
                                 ^~~~~~~~~~~~~~~~~~~~
   arch/x86/kernel/smpboot.c:1266:53: note: passing argument to parameter 'tidle' here
   int do_cpu_up(unsigned int cpu, struct task_struct *tidle)
                                                       ^
   2 warnings and 1 error generated.


vim +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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https://github.com/intel/lkp-tests