[block:tif-task_work 2/2] arch/arm64/kernel/signal.c:984:18: error: too few arguments to function call, single argument 'regs' was not specified

[block:tif-task_work 2/2] arch/arm64/kernel/signal.c:984:18: error: too few arguments to function call, single argument 'regs' was not specified

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git tif-task_work
head:   c6a44403af72ba7788b82ee83bd53ff972923117
commit: c6a44403af72ba7788b82ee83bd53ff972923117 [2/2] arm64: add support for TIF_TASKWORK
config: arm64-randconfig-r005-20200930 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bcd05599d0e53977a963799d6ee4f6e0bc21331b)
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
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=c6a44403af72ba7788b82ee83bd53ff972923117
        git remote add block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
        git fetch --no-tags block tif-task_work
        git checkout c6a44403af72ba7788b82ee83bd53ff972923117
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

   arch/arm64/kernel/signal.c:914:17: warning: unused variable 'ksig' [-Wunused-variable]
           struct ksignal ksig;
                          ^
>> arch/arm64/kernel/signal.c:984:18: error: too few arguments to function call, single argument 'regs' was not specified
                                   do_task_work();
                                   ~~~~~~~~~~~~ ^
   arch/arm64/kernel/signal.c:910:13: note: 'do_task_work' declared here
   static void do_task_work(struct pt_regs *regs)
               ^
   arch/arm64/kernel/signal.c:958:17: warning: no previous prototype for function 'do_notify_resume' [-Wmissing-prototypes]
   asmlinkage void do_notify_resume(struct pt_regs *regs,
                   ^
   arch/arm64/kernel/signal.c:958:12: note: declare 'static' if the function is not intended to be used outside of this translation unit
   asmlinkage void do_notify_resume(struct pt_regs *regs,
              ^
              static 
   2 warnings and 1 error generated.

vim +/regs +984 arch/arm64/kernel/signal.c

   957	
   958	asmlinkage void do_notify_resume(struct pt_regs *regs,
   959					 unsigned long thread_flags)
   960	{
   961		/*
   962		 * The assembly code enters us with IRQs off, but it hasn't
   963		 * informed the tracing code of that for efficiency reasons.
   964		 * Update the trace code with the current status.
   965		 */
   966		trace_hardirqs_off();
   967	
   968		do {
   969			/* Check valid user FS if needed */
   970			addr_limit_user_check();
   971	
   972			if (thread_flags & _TIF_NEED_RESCHED) {
   973				/* Unmask Debug and SError for the next task */
   974				local_daif_restore(DAIF_PROCCTX_NOIRQ);
   975	
   976				schedule();
   977			} else {
   978				local_daif_restore(DAIF_PROCCTX);
   979	
   980				if (thread_flags & _TIF_UPROBE)
   981					uprobe_notify_resume(regs);
   982	
   983				if (thread_flags & _TIF_TASKWORK)
 > 984					do_task_work();
   985	
   986				if (thread_flags & _TIF_SIGPENDING)
   987					do_signal(regs);
   988	
   989				if (thread_flags & _TIF_NOTIFY_RESUME) {
   990					clear_thread_flag(TIF_NOTIFY_RESUME);
   991					tracehook_notify_resume(regs);
   992					rseq_handle_notify_resume(NULL, regs);
   993				}
   994	
   995				if (thread_flags & _TIF_FOREIGN_FPSTATE)
   996					fpsimd_restore_current_state();
   997			}
   998	
   999			local_daif_mask();
  1000			thread_flags = READ_ONCE(current_thread_info()->flags);
  1001		} while (thread_flags & _TIF_WORK_MASK);
  1002	}
  1003	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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