Messages in this thread | | | Date | Thu, 24 Aug 2023 15:43:53 +0800 | From | kernel test robot <> | Subject | Re: [PATCH 1/2] sched/core: Introduce sched_class::can_stop_tick() |
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Hi Hao,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/sched/core] [also build test WARNING on next-20230824] [cannot apply to linus/master v6.5-rc7] [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/Hao-Jia/sched-core-Introduce-sched_class-can_stop_tick/20230821-175200 base: tip/sched/core patch link: https://lore.kernel.org/r/20230821094927.51079-2-jiahao.os%40bytedance.com patch subject: [PATCH 1/2] sched/core: Introduce sched_class::can_stop_tick() config: arm64-randconfig-r122-20230824 (https://download.01.org/0day-ci/archive/20230824/202308241526.be4l9ROa-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230824/202308241526.be4l9ROa-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/202308241526.be4l9ROa-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) kernel/sched/fair.c:702:6: sparse: sparse: symbol 'update_entity_lag' was not declared. Should it be static? kernel/sched/fair.c:1140:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_entity const *se @@ got struct sched_entity [noderef] __rcu * @@ kernel/sched/fair.c:1140:34: sparse: expected struct sched_entity const *se kernel/sched/fair.c:1140:34: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:12087:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:12087:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12087:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:5674:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:5674:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:5674:22: sparse: struct task_struct * >> kernel/sched/fair.c:6336:56: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6336:56: sparse: expected struct task_struct *p kernel/sched/fair.c:6336:56: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:6337:47: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6337:47: sparse: expected struct task_struct *p kernel/sched/fair.c:6337:47: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:6438:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6438:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:6438:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:7738:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:7738:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:7738:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:7940:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:7940:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:7940:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8039:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:8039:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8039:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8319:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:8319:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8319:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:9312:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/fair.c:9312:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:9312:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:9939:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:9939:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:9939:22: sparse: struct task_struct * kernel/sched/fair.c:11359:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:11359:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:11359:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11018:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *sd_parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:11018:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:11018:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11455:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/fair.c:11455:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:11455:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c: note: in included file: kernel/sched/sched.h:2130:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2130:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2130:25: sparse: struct task_struct * kernel/sched/sched.h:2296:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2296:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2296:9: sparse: struct task_struct * kernel/sched/sched.h:2130:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2130:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2130:25: sparse: struct task_struct * kernel/sched/sched.h:2130:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2130:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2130:25: sparse: struct task_struct *
vim +6336 kernel/sched/fair.c
6321 6322 static bool can_stop_tick_fair(struct rq *rq, int *stop_next) 6323 { 6324 if (rq->nr_running > 1) { 6325 *stop_next = 1; 6326 return false; 6327 } 6328 6329 /* 6330 * If there is one task and it has CFS runtime bandwidth constraints 6331 * and it's on the cpu now we don't want to stop the tick. 6332 * This check prevents clearing the bit if a newly enqueued task here is 6333 * dequeued by migrating while the constrained task continues to run. 6334 * E.g. going from 2->1 without going through pick_next_task(). 6335 */ > 6336 if (sched_feat(HZ_BW) && __need_bw_check(rq, rq->curr)) { 6337 if (cfs_task_bw_constrained(rq->curr)) { 6338 *stop_next = 1; 6339 return false; 6340 } 6341 } 6342 6343 return true; 6344 } 6345 #endif 6346
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