linux-kernel - arch/microblaze/kernel/unwind.c:168: warning: Function parameter or member 'loglvl' not described in 'unwind

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Message-ID: <202309122318.VLgfp802-lkp@intel.com>
Date:   Tue, 12 Sep 2023 23:38:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Safonov <dima@...sta.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: arch/microblaze/kernel/unwind.c:168: warning: Function parameter or
 member 'loglvl' not described in 'unwind_trap'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0bb80ecc33a8fb5a682236443c1e740d5c917d1d
commit: 77530a5277bcab0433d0f68af11e04a5c4d79039 microblaze: add loglvl to microblaze_unwind_inner()
date:   3 years, 3 months ago
config: microblaze-alldefconfig (https://download.01.org/0day-ci/archive/20230912/202309122318.VLgfp802-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230912/202309122318.VLgfp802-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/202309122318.VLgfp802-lkp@intel.com/

All warnings (new ones prefixed by >>):

   arch/microblaze/kernel/unwind.c:168: warning: Function parameter or member 'task' not described in 'unwind_trap'
   arch/microblaze/kernel/unwind.c:168: warning: Function parameter or member 'pc' not described in 'unwind_trap'
   arch/microblaze/kernel/unwind.c:168: warning: Function parameter or member 'fp' not described in 'unwind_trap'
   arch/microblaze/kernel/unwind.c:168: warning: Function parameter or member 'trace' not described in 'unwind_trap'
>> arch/microblaze/kernel/unwind.c:168: warning: Function parameter or member 'loglvl' not described in 'unwind_trap'


vim +168 arch/microblaze/kernel/unwind.c

ce3266c0473894 Steven J. Magnani 2010-04-27  153  
ce3266c0473894 Steven J. Magnani 2010-04-27  154  static void microblaze_unwind_inner(struct task_struct *task,
ce3266c0473894 Steven J. Magnani 2010-04-27  155  				    unsigned long pc, unsigned long fp,
ce3266c0473894 Steven J. Magnani 2010-04-27  156  				    unsigned long leaf_return,
77530a5277bcab Dmitry Safonov    2020-06-08  157  				    struct stack_trace *trace,
77530a5277bcab Dmitry Safonov    2020-06-08  158  				    const char *loglvl);
ce3266c0473894 Steven J. Magnani 2010-04-27  159  
ce3266c0473894 Steven J. Magnani 2010-04-27  160  /**
ce3266c0473894 Steven J. Magnani 2010-04-27  161   * unwind_trap - Unwind through a system trap, that stored previous state
ce3266c0473894 Steven J. Magnani 2010-04-27  162   *		 on the stack.
ce3266c0473894 Steven J. Magnani 2010-04-27  163   */
ce3266c0473894 Steven J. Magnani 2010-04-27  164  #ifdef CONFIG_MMU
ce3266c0473894 Steven J. Magnani 2010-04-27  165  static inline void unwind_trap(struct task_struct *task, unsigned long pc,
77530a5277bcab Dmitry Safonov    2020-06-08  166  				unsigned long fp, struct stack_trace *trace,
77530a5277bcab Dmitry Safonov    2020-06-08  167  				const char *loglvl)
ce3266c0473894 Steven J. Magnani 2010-04-27 @168  {
ce3266c0473894 Steven J. Magnani 2010-04-27  169  	/* To be implemented */
ce3266c0473894 Steven J. Magnani 2010-04-27  170  }
ce3266c0473894 Steven J. Magnani 2010-04-27  171  #else
ce3266c0473894 Steven J. Magnani 2010-04-27  172  static inline void unwind_trap(struct task_struct *task, unsigned long pc,
77530a5277bcab Dmitry Safonov    2020-06-08  173  				unsigned long fp, struct stack_trace *trace,
77530a5277bcab Dmitry Safonov    2020-06-08  174  				const char *loglvl)
ce3266c0473894 Steven J. Magnani 2010-04-27  175  {
ce3266c0473894 Steven J. Magnani 2010-04-27  176  	const struct pt_regs *regs = (const struct pt_regs *) fp;
77530a5277bcab Dmitry Safonov    2020-06-08  177  	microblaze_unwind_inner(task, regs->pc, regs->r1, regs->r15, trace, loglvl);
ce3266c0473894 Steven J. Magnani 2010-04-27  178  }
ce3266c0473894 Steven J. Magnani 2010-04-27  179  #endif
ce3266c0473894 Steven J. Magnani 2010-04-27  180  

:::::: The code at line 168 was first introduced by commit
:::::: ce3266c047389443d5f433d605c769e878cbe46e microblaze: Add stack unwinder

:::::: TO: Steven J. Magnani <steve@...idescorp.com>
:::::: CC: Michal Simek <monstr@...str.eu>

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