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From: kernel test robot <lkp@intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
	x86@kernel.org
Subject: [tip:sched/core 23/24] kernel/sched/fair.c:7037:41: sparse: sparse: incorrect type in initializer (different address spaces)
Date: Fri, 2 Jun 2023 12:14:47 +0800	[thread overview]
Message-ID: <202306021231.y2x3NdMC-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
head:   52c3a18973d0cb30586d8b316b7dc56b141a32b5
commit: c5214e13ad60bd0022bab45cbac2c9db6bc1e0d4 [23/24] sched/fair: Multi-LLC select_idle_sibling()
config: parisc-randconfig-s032-20230531 (https://download.01.org/0day-ci/archive/20230602/202306021231.y2x3NdMC-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.3.0
reproduce:
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=c5214e13ad60bd0022bab45cbac2c9db6bc1e0d4
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch --no-tags tip sched/core
        git checkout c5214e13ad60bd0022bab45cbac2c9db6bc1e0d4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc SHELL=/bin/bash kernel/sched/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306021231.y2x3NdMC-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   kernel/sched/fair.c:939:34: 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:939:34: sparse:     expected struct sched_entity const *se
   kernel/sched/fair.c:939:34: sparse:     got struct sched_entity [noderef] __rcu *
   kernel/sched/fair.c:11842:9: 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:11842:9: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/fair.c:11842:9: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c:5566:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:5566:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/fair.c:5566:22: sparse:    struct task_struct *
>> kernel/sched/fair.c:7037:41: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected struct sched_domain *parent @@     got struct sched_domain [noderef] __rcu *parent @@
   kernel/sched/fair.c:7037:41: sparse:     expected struct sched_domain *parent
   kernel/sched/fair.c:7037:41: sparse:     got struct sched_domain [noderef] __rcu *parent
>> kernel/sched/fair.c:7049:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected struct sched_domain *sd @@     got struct sched_domain [noderef] __rcu * @@
   kernel/sched/fair.c:7049:52: sparse:     expected struct sched_domain *sd
   kernel/sched/fair.c:7049:52: sparse:     got struct sched_domain [noderef] __rcu *
   kernel/sched/fair.c:7515:20: 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:7515:20: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/fair.c:7515:20: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c:7717:9: 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:7717:9: sparse:     expected struct sched_domain *[assigned] tmp
   kernel/sched/fair.c:7717:9: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c:7894:38: 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:7894:38: sparse:     expected struct task_struct *curr
   kernel/sched/fair.c:7894:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/fair.c:8192:38: 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:8192:38: sparse:     expected struct task_struct *curr
   kernel/sched/fair.c:8192:38: sparse:     got struct task_struct [noderef] __rcu *curr
   kernel/sched/fair.c:9182:40: 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:9182:40: sparse:     expected struct sched_domain *child
   kernel/sched/fair.c:9182:40: sparse:     got struct sched_domain [noderef] __rcu *child
   kernel/sched/fair.c:9724:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:9724:22: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/fair.c:9724:22: sparse:    struct task_struct *
   kernel/sched/fair.c:11114:9: 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:11114:9: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/fair.c:11114:9: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c:10773:44: 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:10773:44: sparse:     expected struct sched_domain *sd_parent
   kernel/sched/fair.c:10773:44: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c:11210:9: 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:11210:9: sparse:     expected struct sched_domain *[assigned] sd
   kernel/sched/fair.c:11210:9: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c:6770:28: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *sd @@     got struct sched_domain [noderef] __rcu *child @@
   kernel/sched/fair.c:6770:28: sparse:     expected struct sched_domain *sd
   kernel/sched/fair.c:6770:28: sparse:     got struct sched_domain [noderef] __rcu *child
   kernel/sched/fair.c:6776:28: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *sd @@     got struct sched_domain [noderef] __rcu *child @@
   kernel/sched/fair.c:6776:28: sparse:     expected struct sched_domain *sd
   kernel/sched/fair.c:6776:28: sparse:     got struct sched_domain [noderef] __rcu *child
   kernel/sched/fair.c:6783:28: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct sched_domain *sd @@     got struct sched_domain [noderef] __rcu *child @@
   kernel/sched/fair.c:6783:28: sparse:     expected struct sched_domain *sd
   kernel/sched/fair.c:6783:28: sparse:     got struct sched_domain [noderef] __rcu *child
   kernel/sched/fair.c:6791:17: 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:6791:17: sparse:     expected struct sched_domain *[assigned] tmp
   kernel/sched/fair.c:6791:17: sparse:     got struct sched_domain [noderef] __rcu *parent
   kernel/sched/fair.c: note: in included file:
   kernel/sched/sched.h:2245:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2245:9: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2245:9: sparse:    struct task_struct *
   kernel/sched/sched.h:2083:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2083:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2083:25: sparse:    struct task_struct *
   kernel/sched/sched.h:2083:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/sched.h:2083:25: sparse:    struct task_struct [noderef] __rcu *
   kernel/sched/sched.h:2083:25: sparse:    struct task_struct *

vim +7037 kernel/sched/fair.c

  7029	
  7030	/*
  7031	 * For the multiple-LLC per node case, make sure to try the other LLC's if the
  7032	 * local LLC comes up empty.
  7033	 */
  7034	static int
  7035	select_idle_node(struct task_struct *p, struct sched_domain *sd, int target)
  7036	{
> 7037		struct sched_domain *parent = sd->parent;
  7038		struct sched_group *sg;
  7039	
  7040		/* Make sure to not cross nodes. */
  7041		if (!parent || parent->flags & SD_NUMA)
  7042			return -1;
  7043	
  7044		sg = parent->groups;
  7045		do {
  7046			int cpu = cpumask_first(sched_group_span(sg));
  7047	
  7048			if (!cpus_share_cache(cpu, target)) {
> 7049				int i = select_idle_cpu(p, per_cpu(sd_llc, cpu),
  7050							test_idle_cores(cpu), cpu);
  7051				if ((unsigned)i < nr_cpumask_bits)
  7052					return i;
  7053			}
  7054	
  7055			sg = sg->next;
  7056		} while (sg != parent->groups);
  7057	
  7058		return -1;
  7059	}
  7060	

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

                 reply	other threads:[~2023-06-02  4:15 UTC|newest]

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