Messages in this thread | | | Date | Thu, 23 Dec 2021 02:41:07 +0800 | From | kernel test robot <> | Subject | Re: [PATCH] schedule: SCHED_RR: Give a fresh time-slice to the task after after it suspends or relinquishes |
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Hi "zhaoxiu.zeng",
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on tip/sched/core] [also build test WARNING on v5.16-rc6 next-20211222] [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]
url: https://github.com/0day-ci/linux/commits/zhaoxiu-zeng/schedule-SCHED_RR-Give-a-fresh-time-slice-to-the-task-after-after-it-suspends-or-relinquishes/20211222-171838 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 82762d2af31a60081162890983a83499c9c7dd74 config: i386-randconfig-s001-20211222 (https://download.01.org/0day-ci/archive/20211223/202112230234.B6uAyy2x-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/7e5fd85c65d2efc13de4adaa5ebc522894f3d60c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review zhaoxiu-zeng/schedule-SCHED_RR-Give-a-fresh-time-slice-to-the-task-after-after-it-suspends-or-relinquishes/20211222-171838 git checkout 7e5fd85c65d2efc13de4adaa5ebc522894f3d60c # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash kernel/sched/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) kernel/sched/rt.c:924:70: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:924:70: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:924:70: sparse: struct task_struct * kernel/sched/rt.c:1010:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1010:38: sparse: expected struct task_struct *curr kernel/sched/rt.c:1010:38: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/rt.c:1560:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1560:35: sparse: expected struct task_struct *p kernel/sched/rt.c:1560:35: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c: note: in included file: kernel/sched/sched.h:2032:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2032:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2032:25: sparse: struct task_struct * kernel/sched/sched.h:2032:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2032:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2032:25: sparse: struct task_struct * kernel/sched/sched.h:2032:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2032:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2032:25: sparse: struct task_struct *
vim +1560 kernel/sched/rt.c
1557 1558 static void yield_task_rt(struct rq *rq) 1559 { > 1560 struct task_struct *p = rq->curr; 1561 1562 if (p->policy == SCHED_RR) 1563 p->rt.time_slice = sched_rr_timeslice; 1564 1565 requeue_task_rt(rq, p, 0); 1566 } 1567
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