* [linux-next:master 1004/8485] kernel/sched/ext.c:3243:24: sparse: sparse: Using plain integer as NULL pointer
@ 2025-01-13 17:27 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-01-13 17:27 UTC (permalink / raw)
To: Andrea Righi; +Cc: oe-kbuild-all, Tejun Heo
Hi Andrea,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 37136bf5c3a6f6b686d74f41837a6406bec6b7bc
commit: 4572541892ea4e1dade2e9c1313d3f8069d37f0a [1004/8485] sched_ext: Use the NUMA scheduling domain for NUMA optimizations
config: powerpc64-randconfig-r131-20250113 (https://download.01.org/0day-ci/archive/20250114/202501140146.oSvShYS0-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce: (https://download.01.org/0day-ci/archive/20250114/202501140146.oSvShYS0-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/202501140146.oSvShYS0-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
kernel/sched/rt.c:1550:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/rt.c:1550:15: sparse: expected struct task_struct *donor
kernel/sched/rt.c:1550:15: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/rt.c:1611:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:1611:45: sparse: expected struct task_struct *p
kernel/sched/rt.c:1611:45: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1654:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:1654:39: sparse: expected struct task_struct *donor
kernel/sched/rt.c:1654:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:1674:64: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:1674:64: sparse: expected struct task_struct *tsk
kernel/sched/rt.c:1674:64: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2018:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2018:40: sparse: expected struct task_struct *task
kernel/sched/rt.c:2018:40: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2041:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/rt.c:2041:13: sparse: struct task_struct *
kernel/sched/rt.c:2041:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/rt.c:2387:54: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/rt.c:2387:54: sparse: expected struct task_struct *tsk
kernel/sched/rt.c:2387:54: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/rt.c:2389:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:2389:40: sparse: expected struct task_struct *p
kernel/sched/rt.c:2389:40: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/rt.c:2389:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/rt.c:2389:62: sparse: expected struct task_struct *p
kernel/sched/rt.c:2389:62: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/build_policy.c: note: in included file:
kernel/sched/deadline.c:2703:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2703:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2703:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2713:13: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2713:13: sparse: struct task_struct *
kernel/sched/deadline.c:2713:13: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2819:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:2819:25: sparse: struct task_struct *
kernel/sched/deadline.c:2819:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2342:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:2342:42: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2342:42: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:2353:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2353:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2353:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1242:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:1242:39: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1242:39: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1242:85: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:1242:85: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1242:85: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1342:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:1342:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1342:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:1651:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:1651:31: sparse: expected struct task_struct *p
kernel/sched/deadline.c:1651:31: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:1651:70: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:1651:70: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:1651:70: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:1739:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:1739:39: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:1739:39: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2564:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@
kernel/sched/deadline.c:2564:9: sparse: expected struct sched_domain *[assigned] sd
kernel/sched/deadline.c:2564:9: sparse: got struct sched_domain [noderef] __rcu *parent
kernel/sched/deadline.c:2226:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2226:14: sparse: expected struct task_struct *curr
kernel/sched/deadline.c:2226:14: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2227:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@
kernel/sched/deadline.c:2227:15: sparse: expected struct task_struct *donor
kernel/sched/deadline.c:2227:15: sparse: got struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:2303:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2303:43: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2303:43: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2864:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/deadline.c:2864:38: sparse: expected struct task_struct *tsk
kernel/sched/deadline.c:2864:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/deadline.c:2866:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@
kernel/sched/deadline.c:2866:23: sparse: expected struct task_struct *p
kernel/sched/deadline.c:2866:23: sparse: got struct task_struct [noderef] __rcu *donor
kernel/sched/deadline.c:2868:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_dl_entity const *b @@ got struct sched_dl_entity [noderef] __rcu * @@
kernel/sched/deadline.c:2868:44: sparse: expected struct sched_dl_entity const *b
kernel/sched/deadline.c:2868:44: sparse: got struct sched_dl_entity [noderef] __rcu *
kernel/sched/deadline.c:3043:23: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/deadline.c:3043:23: sparse: struct task_struct [noderef] __rcu *
kernel/sched/deadline.c:3043:23: sparse: struct task_struct *
kernel/sched/deadline.c:3092:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/build_policy.c: note: in included file:
kernel/sched/ext.c:1653:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:1785:56: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:1785:56: sparse: struct task_struct *
kernel/sched/ext.c:1785:56: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext.c:2226:35: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:2226:35: sparse: expected struct task_struct *p
kernel/sched/ext.c:2226:35: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/ext.c:2236:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *from @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:2236:38: sparse: expected struct task_struct *from
kernel/sched/ext.c:2236:38: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/ext.c:3066:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:3066:38: sparse: expected struct task_struct *prev
kernel/sched/ext.c:3066:38: sparse: got struct task_struct [noderef] __rcu *curr
>> kernel/sched/ext.c:3243:24: sparse: sparse: Using plain integer as NULL pointer
kernel/sched/ext.c:5352:52: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:5352:52: sparse: expected struct task_struct *p
kernel/sched/ext.c:5352:52: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/ext.c:6076:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct const *p @@ got struct task_struct [noderef] __rcu *curr @@
kernel/sched/ext.c:6076:32: sparse: expected struct task_struct const *p
kernel/sched/ext.c:6076:32: sparse: got struct task_struct [noderef] __rcu *curr
kernel/sched/ext.c:7552:33: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/ext.c:7552:33: sparse: struct task_struct [noderef] __rcu *
kernel/sched/ext.c:7552:33: sparse: struct task_struct const *
kernel/sched/build_policy.c: note: in included file:
kernel/sched/syscalls.c:206:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/syscalls.c:206:22: sparse: struct task_struct [noderef] __rcu *
kernel/sched/syscalls.c:206:22: sparse: struct task_struct *
kernel/sched/build_policy.c: note: in included file (through include/linux/smp.h, include/linux/sched/clock.h):
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true
kernel/sched/build_policy.c: note: in included file:
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2260:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2260:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2260:26: sparse: struct task_struct *
kernel/sched/sched.h:2260:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2260:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2260:26: sparse: struct task_struct *
kernel/sched/sched.h:2260:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2260:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2260:26: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2260:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2260:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2260:26: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2260:26: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2260:26: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2260:26: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
kernel/sched/sched.h:2249:25: sparse: struct task_struct *
kernel/sched/sched.h:2249:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
kernel/sched/sched.h:2249:25: sparse: struct task_struct [noderef] __rcu *
vim +3243 kernel/sched/ext.c
3232
3233 /*
3234 * Return the cpumask representing the LLC domain of @cpu (or NULL if the LLC
3235 * domain is not defined).
3236 */
3237 static struct cpumask *llc_span(s32 cpu)
3238 {
3239 struct sched_domain *sd;
3240
3241 sd = rcu_dereference(per_cpu(sd_llc, cpu));
3242 if (!sd)
> 3243 return 0;
3244
3245 return sched_domain_span(sd);
3246 }
3247
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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