Re: [PATCH] freezer,sched: Move state information judgment outside task_call_func

From: kernel test robot
Date: Thu Dec 07 2023 - 16:07:09 EST


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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312080436.VRc5l7Yc-lkp@xxxxxxxxx/

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

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