linux-kernel - Re: [PATCH] freezer,sched: Move state information judgment outside task_call

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Date:   Fri, 8 Dec 2023 05:06:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Xiaolei Wang <xiaolei.wang@...driver.com>, rafael@...nel.org,
        pavel@....cz, len.brown@...el.com, peterz@...radead.org,
        mingo@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] freezer,sched: Move state information judgment outside
 task_call_func

Hi Xiaolei,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.7-rc4 next-20231207]
[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/Xiaolei-Wang/freezer-sched-Move-state-information-judgment-outside-task_call_func/20231207-191924
base:   linus/master
patch link:    https://lore.kernel.org/r/20231207111634.667057-1-xiaolei.wang%40windriver.com
patch subject: [PATCH] freezer,sched: Move state information judgment outside task_call_func
config: arm64-defconfig (https://download.01.org/0day-ci/archive/20231208/202312080436.VRc5l7Yc-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231208/202312080436.VRc5l7Yc-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/202312080436.VRc5l7Yc-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/freezer.c: In function '__set_task_frozen':
>> kernel/freezer.c:125:35: error: 'struct task_struct' has no member named 'lockdep_depth'
     125 |         p_check->lockdep_depth = p->lockdep_depth;
         |                                   ^~


vim +125 kernel/freezer.c

   107	
   108	static int __set_task_frozen(struct task_struct *p, void *arg)
   109	{
   110		unsigned int state = READ_ONCE(p->__state);
   111		struct task_freeze_check *p_check = arg;
   112	
   113		if (p->on_rq)
   114			return 0;
   115	
   116		if (p != current && task_curr(p))
   117			return 0;
   118	
   119		if (!(state & (TASK_FREEZABLE | __TASK_STOPPED | __TASK_TRACED)))
   120			return 0;
   121	
   122		p->saved_state = p->__state;
   123		WRITE_ONCE(p->__state, TASK_FROZEN);
   124		p_check->state = p->__state;
 > 125		p_check->lockdep_depth = p->lockdep_depth;
   126		return TASK_FROZEN;
   127	}
   128	

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