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Date: Fri, 2 Jun 2023 12:14:47 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
x86@...nel.org
Subject: [tip:sched/core 23/24] kernel/sched/fair.c:7037:41: sparse: sparse:
incorrect type in initializer (different address spaces)
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@...el.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
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