Re: [PATCH-RT sched v3 1/2] RT SCHED: Optimize the enqueue and dequeue operations for rt_se

From: kernel test robot
Date: Tue Jul 16 2024 - 16:25:26 EST

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Hi Xavier,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/sched/core]
[also build test WARNING on shuah-kselftest/next shuah-kselftest/fixes peterz-queue/sched/core linus/master v6.10]
[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/Xavier/RT-SCHED-Optimize-the-enqueue-and-dequeue-operations-for-rt_se/20240716-140932
base: tip/sched/core
patch link: https://lore.kernel.org/r/20240716060514.304324-2-xavier_qy%40163.com
patch subject: [PATCH-RT sched v3 1/2] RT SCHED: Optimize the enqueue and dequeue operations for rt_se
config: x86_64-randconfig-121-20240716 (https://download.01.org/0day-ci/archive/20240717/202407170411.vRtOCOzx-lkp@xxxxxxxxx/config)
compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240717/202407170411.vRtOCOzx-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/202407170411.vRtOCOzx-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
kernel/sched/build_utility.c: note: in included file:
kernel/sched/debug.c:469:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/debug.c:469:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/debug.c:469:17: sparse: got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/debug.c:715:6: sparse: sparse: symbol 'print_rt_se' was not declared. Should it be static?
kernel/sched/debug.c:842:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/debug.c:842:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:842:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/debug.c:842:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/debug.c:842:9: sparse: expected struct task_struct *tsk
kernel/sched/debug.c:842:9: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/build_utility.c: note: in included file:
kernel/sched/stats.c:148:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/stats.c:148:17: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/stats.c:148:17: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/build_utility.c: note: in included file:
kernel/sched/topology.c:107:56: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:107:56: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:107:56: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:126:60: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:126:60: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:126:60: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:149:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:149:20: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:149:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:454:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct perf_domain *[assigned] tmp @@ got struct perf_domain [noderef] __rcu *pd @@
kernel/sched/topology.c:454:13: sparse: expected struct perf_domain *[assigned] tmp
kernel/sched/topology.c:454:13: sparse: got struct perf_domain [noderef] __rcu *pd
kernel/sched/topology.c:463:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct perf_domain *[assigned] tmp @@ got struct perf_domain [noderef] __rcu *pd @@
kernel/sched/topology.c:463:13: sparse: expected struct perf_domain *[assigned] tmp
kernel/sched/topology.c:463:13: sparse: got struct perf_domain [noderef] __rcu *pd
kernel/sched/topology.c:484:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *[assigned] pd @@ got struct perf_domain [noderef] __rcu *pd @@
kernel/sched/topology.c:484:19: sparse: expected struct perf_domain *[assigned] pd
kernel/sched/topology.c:484:19: sparse: got struct perf_domain [noderef] __rcu *pd
kernel/sched/topology.c:646:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:646:49: sparse: expected struct sched_domain *parent
kernel/sched/topology.c:646:49: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:731:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:731:50: sparse: expected struct sched_domain *parent
kernel/sched/topology.c:731:50: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:739:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@
kernel/sched/topology.c:739:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child
kernel/sched/topology.c:739:55: sparse: got struct sched_domain *[assigned] tmp
kernel/sched/topology.c:752:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:752:29: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/topology.c:752:29: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:757:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:757:20: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:757:20: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:778:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@
kernel/sched/topology.c:778:13: sparse: expected struct sched_domain *[assigned] tmp
kernel/sched/topology.c:778:13: sparse: got struct sched_domain [noderef] __rcu *sd
kernel/sched/topology.c:940:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:940:70: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:940:70: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:969:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:969:59: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:969:59: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1015:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1015:57: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1015:57: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1017:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1017:25: sparse: expected struct sched_domain *sibling
kernel/sched/topology.c:1017:25: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1025:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1025:55: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1025:55: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1027:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1027:25: sparse: expected struct sched_domain *sibling
kernel/sched/topology.c:1027:25: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1097:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1097:62: sparse: expected struct sched_domain *sd
kernel/sched/topology.c:1097:62: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1201:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:1201:40: sparse: expected struct sched_domain *child
kernel/sched/topology.c:1201:40: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1629:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@
kernel/sched/topology.c:1629:43: sparse: expected struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:1629:43: sparse: got struct sched_domain *child
kernel/sched/topology.c:2328:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@
kernel/sched/topology.c:2328:31: sparse: expected struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2328:31: sparse: got struct sched_domain *sd
kernel/sched/topology.c:2430:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2430:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2430:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2451:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@
kernel/sched/topology.c:2451:56: sparse: expected struct sched_domain *child
kernel/sched/topology.c:2451:56: sparse: got struct sched_domain [noderef] __rcu *child
kernel/sched/topology.c:2450:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2450:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2450:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/topology.c:2505:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/topology.c:2505:57: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/topology.c:2505:57: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/build_utility.c: note: in included file:
kernel/sched/core_sched.c:276:37: sparse: sparse: incompatible types in conditional expression (different address spaces):
kernel/sched/core_sched.c:276:37: sparse: struct task_struct *
kernel/sched/core_sched.c:276:37: sparse: struct task_struct [noderef] __rcu *
kernel/sched/build_utility.c: note: in included file:
kernel/sched/build_utility.c: note: in included file (through include/linux/mmzone.h, include/linux/topology.h, include/linux/sched/topology.h, ...):
include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false
include/linux/page-flags.h:240:46: sparse: sparse: self-comparison always evaluates to false
kernel/sched/build_utility.c: note: in included file:
kernel/sched/sched.h:2175:25: sparse: sparse: incompatible types in comparison expression (different address spaces):

vim +/print_rt_se +715 kernel/sched/debug.c

714
> 715 void print_rt_se(struct seq_file *m, struct sched_rt_entity *rt_se)
716 {
717 struct task_struct *task;
718

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Next message: Ronald Warsow: "Re: [PATCH 6.9 000/143] 6.9.10-rc1 review"
Previous message: Moger, Babu: "Re: [PATCH v5 12/20] x86/resctrl: Add data structures and definitions for ABMC assignment"
In reply to: Xavier: "[PATCH-RT sched v3 1/2] RT SCHED: Optimize the enqueue and dequeue operations for rt_se"
Next in thread: Xavier: "[PATCH-RT sched v4 0/2] Optimize the RT group scheduling"
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