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

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Date: Fri, 16 Feb 2024 03:14:44 +0800
From: kernel test robot <lkp@...el.com>
To: Petr Tesarik <petrtesarik@...weicloud.com>,
	Jonathan Corbet <corbet@....net>,
	David Kaplan <david.kaplan@....com>,
	Larry Dewey <larry.dewey@....com>,
	Elena Reshetova <elena.reshetova@...el.com>,
	Carlos Bilbao <carlos.bilbao@....com>,
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Petr Mladek <pmladek@...e.com>,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Eric DeVolder <eric.devolder@...cle.com>,
	Marc Aurèle La France <tsi@...oix.net>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	Nhat Pham <nphamcs@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Christian Brauner (Microsoft)" <brauner@...nel.org>,
	Douglas Anderson <dianders@...omium.org>,
	Luis Chamberlain <mcgrof@...nel.org>,
	Guenter Roeck <groeck@...omium.org>,
	Mike Christie <michael.christie@...cle.com>,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	Maninder Singh <maninder1.s@...sung.com>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	Roberto Sassu <roberto.sassu@...weicloud.com>, petr@...arici.cz,
	Petr Tesarik <petr.tesarik1@...wei-partners.com>
Subject: Re: [PATCH v1 4/5] sbm: SandBox Mode KUnit test suite

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@...el.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	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki