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From: kernel test robot <lkp@intel.com>
To: John Stultz <jstultz@google.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: Re: [PATCH v6 11/20] sched: Split scheduler execution context
Date: Sat, 11 Nov 2023 17:34:44 +0800	[thread overview]
Message-ID: <202311111740.AZgq2fGH-lkp@intel.com> (raw)
In-Reply-To: <20231106193524.866104-12-jstultz@google.com>

Hi John,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/locking/core]
[also build test WARNING on v6.6]
[cannot apply to tip/sched/core tip/master linus/master tip/auto-latest next-20231110]
[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/John-Stultz/sched-Unify-runtime-accounting-across-classes/20231107-033946
base:   tip/locking/core
patch link:    https://lore.kernel.org/r/20231106193524.866104-12-jstultz%40google.com
patch subject: [PATCH v6 11/20] sched: Split scheduler execution context
config: x86_64-randconfig-121-20231111 (https://download.01.org/0day-ci/archive/20231111/202311111740.AZgq2fGH-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311111740.AZgq2fGH-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/202311111740.AZgq2fGH-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/sched/core.c:756:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *task @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:756:31: sparse:     expected struct task_struct *task
   kernel/sched/core.c:756:31: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:757:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *task @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:757:25: sparse:     expected struct task_struct *task
   kernel/sched/core.c:757:25: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:1074:38: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:1074:38: sparse:     expected struct task_struct *curr
   kernel/sched/core.c:1074:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:2254:36: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:2254:36: sparse:     expected struct task_struct *curr
   kernel/sched/core.c:2254:36: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:2265:64: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *tsk @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:2265:64: sparse:     expected struct task_struct *tsk
   kernel/sched/core.c:2265:64: sparse:     got struct task_struct [noderef] __rcu *curr
>> kernel/sched/core.c:5687:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *curr @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:5687:14: sparse:     expected struct task_struct *curr
   kernel/sched/core.c:5687:14: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:6628:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct task_struct *prev @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:6628:14: sparse:     expected struct task_struct *prev
   kernel/sched/core.c:6628:14: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:7193:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/core.c:7193:17: sparse:    struct task_struct *
   kernel/sched/core.c:7193:17: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/core.c:7409:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/core.c:7409:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/core.c:7409:22: sparse:    struct task_struct *
   kernel/sched/core.c:11608:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected struct task_struct *p @@     got struct task_struct [noderef] __rcu *curr @@
   kernel/sched/core.c:11608:25: sparse:     expected struct task_struct *p
   kernel/sched/core.c:11608:25: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/core.c:582:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit
   kernel/sched/core.c:607:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit
   kernel/sched/core.c:631:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock
   kernel/sched/core.c:669:36: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit
   kernel/sched/core.c:710:36: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit
   kernel/sched/core.c: note: in included file:
   kernel/sched/sched.h:2155:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2155:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2155:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2166:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct *
   kernel/sched/sched.h:2344:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2344:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2166:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct *
   kernel/sched/sched.h:2344:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2166:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct *
   kernel/sched/sched.h:2344:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2166:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct *
   kernel/sched/sched.h:2344:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2155:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2155:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2166:32: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2166:32: sparse:    struct task_struct *
   kernel/sched/sched.h:2344:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2344:9: sparse:    struct task_struct *

vim +5687 kernel/sched/core.c

  5666	
  5667	/*
  5668	 * This function gets called by the timer code, with HZ frequency.
  5669	 * We call it with interrupts disabled.
  5670	 */
  5671	void scheduler_tick(void)
  5672	{
  5673		int cpu = smp_processor_id();
  5674		struct rq *rq = cpu_rq(cpu);
  5675		/* accounting goes to the selected task */
  5676		struct task_struct *curr;
  5677		struct rq_flags rf;
  5678		unsigned long thermal_pressure;
  5679		u64 resched_latency;
  5680	
  5681		if (housekeeping_cpu(cpu, HK_TYPE_TICK))
  5682			arch_scale_freq_tick();
  5683	
  5684		sched_clock_tick();
  5685	
  5686		rq_lock(rq, &rf);
> 5687		curr = rq_selected(rq);
  5688	
  5689		update_rq_clock(rq);
  5690		thermal_pressure = arch_scale_thermal_pressure(cpu_of(rq));
  5691		update_thermal_load_avg(rq_clock_thermal(rq), rq, thermal_pressure);
  5692		curr->sched_class->task_tick(rq, curr, 0);
  5693		if (sched_feat(LATENCY_WARN))
  5694			resched_latency = cpu_resched_latency(rq);
  5695		calc_global_load_tick(rq);
  5696		sched_core_tick(rq);
  5697		task_tick_mm_cid(rq, curr);
  5698	
  5699		rq_unlock(rq, &rf);
  5700	
  5701		if (sched_feat(LATENCY_WARN) && resched_latency)
  5702			resched_latency_warn(cpu, resched_latency);
  5703	
  5704		perf_event_task_tick();
  5705	
  5706		if (curr->flags & PF_WQ_WORKER)
  5707			wq_worker_tick(curr);
  5708	

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

  reply	other threads:[~2023-11-11  9:35 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-06 19:34 [PATCH v6 00/20] Proxy Execution: A generalized form of Priority Inheritance v6 John Stultz
2023-11-06 19:34 ` [PATCH v6 01/20] sched: Unify runtime accounting across classes John Stultz
2023-12-17 16:19   ` Qais Yousef
2023-12-18 20:23     ` John Stultz
2023-12-28 16:21       ` Qais Yousef
2023-11-06 19:34 ` [PATCH v6 02/20] locking/mutex: Removes wakeups from under mutex::wait_lock John Stultz
2023-11-06 19:34 ` [PATCH v6 03/20] locking/mutex: make mutex::wait_lock irq safe John Stultz
2023-11-06 19:34 ` [PATCH v6 04/20] locking/mutex: Expose __mutex_owner() John Stultz
2023-11-06 19:34 ` [PATCH v6 05/20] locking/mutex: Rework task_struct::blocked_on John Stultz
2023-11-06 19:34 ` [PATCH v6 06/20] locking/mutex: Add task_struct::blocked_lock to serialize changes to the blocked_on state John Stultz
2023-11-06 19:34 ` [PATCH v6 07/20] locking/mutex: Add p->blocked_on wrappers for correctness checks John Stultz
2023-11-06 19:34 ` [PATCH v6 08/20] sched: Add CONFIG_PROXY_EXEC & boot argument to enable/disable John Stultz
2023-11-06 19:34 ` [PATCH v6 09/20] locking/mutex: Split blocked_on logic into two states (blocked_on and blocked_on_waking) John Stultz
2023-11-06 19:34 ` [PATCH v6 10/20] locking/mutex: Switch to mutex handoffs for CONFIG_PROXY_EXEC John Stultz
2023-11-06 19:34 ` [PATCH v6 11/20] sched: Split scheduler execution context John Stultz
2023-11-11  9:34   ` kernel test robot [this message]
2023-11-11 10:25   ` kernel test robot
2023-11-06 19:34 ` [PATCH v6 12/20] sched: Fix runtime accounting w/ split exec & sched contexts John Stultz
2023-11-11 11:26   ` kernel test robot
2023-11-06 19:34 ` [PATCH v6 13/20] sched: Split out __sched() deactivate task logic into a helper John Stultz
2023-11-06 19:34 ` [PATCH v6 14/20] sched: Add a very simple proxy() function John Stultz
2023-11-11 13:32   ` kernel test robot
2023-11-06 19:34 ` [PATCH v6 15/20] sched: Add proxy deactivate helper John Stultz
2023-11-08  2:51   ` kernel test robot
2023-11-18  0:27     ` John Stultz
2023-11-06 19:34 ` [PATCH v6 16/20] sched: Fix proxy/current (push,pull)ability John Stultz
2023-11-06 19:35 ` [PATCH v6 17/20] sched: Start blocked_on chain processing in proxy() John Stultz
2023-11-06 19:35 ` [PATCH v6 18/20] sched: Handle blocked-waiter migration (and return migration) John Stultz
2023-11-09  5:31   ` Xuewen Yan
2023-11-09  6:08     ` John Stultz
2023-11-09  6:38       ` Xuewen Yan
2023-11-10  3:45         ` John Stultz
2023-11-06 19:35 ` [PATCH v6 19/20] sched: Add blocked_donor link to task for smarter mutex handoffs John Stultz
2023-11-06 19:35 ` [PATCH v6 20/20] sched: Add deactivated (sleeping) owner handling to proxy() John Stultz
     [not found] ` <20231108111458.1368-1-hdanton@sina.com>
2023-11-08 22:13   ` [PATCH v6 00/20] Proxy Execution: A generalized form of Priority Inheritance v6 John Stultz
2023-11-10  9:07 ` Xuewen Yan
2023-12-13  6:37 ` K Prateek Nayak
2023-12-13 16:20   ` Metin Kaya
2023-12-13 19:11   ` John Stultz
2023-12-14  5:15     ` K Prateek Nayak
2023-12-14  1:00   ` John Stultz
2023-12-14  1:03     ` John Stultz
2023-12-17  3:07 ` Qais Yousef
2023-12-18 23:38   ` John Stultz
2023-12-28 16:45     ` Qais Yousef

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