Re: [PATCH v1 4/5] sbm: SandBox Mode KUnit test suite

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

Hi Petr,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linus/master v6.8-rc4 next-20240215]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Petr-Tesarik/sbm-SandBox-Mode-core-data-types-and-functions/20240214-193528
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240214113035.2117-5-petrtesarik%40huaweicloud.com
patch subject: [PATCH v1 4/5] sbm: SandBox Mode KUnit test suite
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240216/202402160357.4hi1ecdG-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 1c10821022f1799452065fb57474e894e2562b7f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240216/202402160357.4hi1ecdG-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402160357.4hi1ecdG-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/sbm_test.c:648:25: error: use of undeclared identifier 'current_stack_pointer'
     648 |         unsigned long old_sp = current_stack_pointer;
         |                                ^
   kernel/sbm_test.c:651:2: error: use of undeclared identifier 'current_stack_pointer'
     651 |         current_stack_pointer = (unsigned long)end_of_stack(current);
         |         ^
   kernel/sbm_test.c:654:2: error: use of undeclared identifier 'current_stack_pointer'
     654 |         current_stack_pointer = old_sp;
         |         ^
   3 errors generated.


vim +/current_stack_pointer +648 kernel/sbm_test.c

   645	
   646	static SBM_DEFINE_FUNC(stack_overflow)
   647	{
 > 648		unsigned long old_sp = current_stack_pointer;
   649		int err;
   650	
   651		current_stack_pointer = (unsigned long)end_of_stack(current);
   652		barrier();
   653		err = kaboom();
   654		current_stack_pointer = old_sp;
   655		return err;
   656	}
   657	

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