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fmviesa010.fm.intel.com with ESMTP; 20 Nov 2024 04:05:43 -0800 Received: from kbuild by 8122d2fc1967 with local (Exim 4.96) (envelope-from ) id 1tDjSm-0000pp-1B; Wed, 20 Nov 2024 12:05:40 +0000 Date: Wed, 20 Nov 2024 20:05:37 +0800 From: kernel test robot To: Tejun Heo Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, David Vernet , Josh Don Subject: kernel/sched/ext.c:2399:56: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202411201944.tg6uGuAT-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: bf9aa14fc523d2763fc9a10672a709224e8fcaf4 commit: 7b0888b7cc1924b74ce660e02f6211df8dd46e7b sched_ext: Implement core-sched support date: 5 months ago config: s390-randconfig-r122-20241119 (https://download.01.org/0day-ci/archive/20241120/202411201944.tg6uGuAT-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce: (https://download.01.org/0day-ci/archive/20241120/202411201944.tg6uGuAT-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202411201944.tg6uGuAT-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_policy.c: note: in included file: kernel/sched/rt.c:916:70: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:916:70: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:916:70: sparse: struct task_struct * kernel/sched/rt.c:2364:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2364:25: sparse: struct task_struct * kernel/sched/rt.c:2364:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:1002:38: 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:1002:38: sparse: expected struct task_struct *curr kernel/sched/rt.c:1002:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1536:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1536:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1536:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1876:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/rt.c:1876:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1876:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/rt.c:1556:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1556:14: sparse: expected struct task_struct *curr kernel/sched/rt.c:1556:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1621:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:1621:45: sparse: expected struct task_struct *p kernel/sched/rt.c:1621:45: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1682:67: 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:1682:67: sparse: expected struct task_struct *tsk kernel/sched/rt.c:1682:67: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2044:40: 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:2044:40: sparse: expected struct task_struct *task kernel/sched/rt.c:2044:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2067:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2067:13: sparse: struct task_struct * kernel/sched/rt.c:2067:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2417:54: 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:2417:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2417:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2419:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2419:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2419:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2419:61: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/rt.c:2419:61: sparse: expected struct task_struct *p kernel/sched/rt.c:2419:61: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/build_policy.c: note: in included file: kernel/sched/deadline.c:2401:23: 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:2401:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2401:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2411:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2411:13: sparse: struct task_struct * kernel/sched/deadline.c:2411:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2519:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2519:25: sparse: struct task_struct * kernel/sched/deadline.c:2519:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2026:42: 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:2026:42: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2026:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2037:38: 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:2037:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2037:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1220:23: 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:1220:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1220:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1444:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1444:38: sparse: expected struct task_struct *curr kernel/sched/deadline.c:1444:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2262:9: 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:2262:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:2262:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/deadline.c:1911:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:1911:14: sparse: expected struct task_struct *curr kernel/sched/deadline.c:1911:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:1987:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/deadline.c:1987:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:1987:43: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2566:38: 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:2566:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2566:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2568:23: 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:2568:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2568:23: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2570:44: 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:2570:44: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2570:44: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2745:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2745:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2745:22: sparse: struct task_struct * kernel/sched/deadline.c:2794:32: 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:772:25: sparse: sparse: symbol 'scx_has_op' was not declared. Should it be static? kernel/sched/ext.c:876:22: sparse: sparse: symbol 'scx_dump_data' was not declared. Should it be static? kernel/sched/ext.c:1334:38: 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:1406:56: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:1406:56: sparse: struct task_struct * kernel/sched/ext.c:1406:56: sparse: struct task_struct [noderef] __rcu * kernel/sched/ext.c:1799:35: 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:1799:35: sparse: expected struct task_struct *p kernel/sched/ext.c:1799:35: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:1809:38: 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:1809:38: sparse: expected struct task_struct *from kernel/sched/ext.c:1809:38: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/ext.c:2399:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *sprev @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/ext.c:2399:56: sparse: expected struct task_struct *sprev kernel/sched/ext.c:2399:56: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:4206:52: 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:4206:52: sparse: expected struct task_struct *p kernel/sched/ext.c:4206:52: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:4914:32: 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:4914:32: sparse: expected struct task_struct const *p kernel/sched/ext.c:4914:32: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/ext.c:5905:33: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/ext.c:5905:33: sparse: struct task_struct [noderef] __rcu * kernel/sched/ext.c:5905:33: 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/mmzone.h, include/linux/gfp.h, include/linux/xarray.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_policy.c: note: in included file: kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2409:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2409:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2409:9: sparse: struct task_struct * kernel/sched/sched.h:2234:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2234:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2234:25: sparse: struct task_struct * kernel/sched/sched.h:2409:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2409:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2409:9: sparse: struct task_struct * kernel/sched/build_policy.c: note: in included file: kernel/sched/syscalls.c:1426:6: sparse: sparse: context imbalance in 'sched_getaffinity' - wrong count at exit kernel/sched/build_policy.c: note: in included file: kernel/sched/rt.c:1707:15: sparse: sparse: dereference of noderef expression vim +2399 kernel/sched/ext.c 2378 2379 static int balance_scx(struct rq *rq, struct task_struct *prev, 2380 struct rq_flags *rf) 2381 { 2382 int ret; 2383 2384 ret = balance_one(rq, prev, rf, true); 2385 2386 #ifdef CONFIG_SCHED_SMT 2387 /* 2388 * When core-sched is enabled, this ops.balance() call will be followed 2389 * by put_prev_scx() and pick_task_scx() on this CPU and pick_task_scx() 2390 * on the SMT siblings. Balance the siblings too. 2391 */ 2392 if (sched_core_enabled(rq)) { 2393 const struct cpumask *smt_mask = cpu_smt_mask(cpu_of(rq)); 2394 int scpu; 2395 2396 for_each_cpu_andnot(scpu, smt_mask, cpumask_of(cpu_of(rq))) { 2397 struct rq *srq = cpu_rq(scpu); 2398 struct rq_flags srf; > 2399 struct task_struct *sprev = srq->curr; 2400 2401 /* 2402 * While core-scheduling, rq lock is shared among 2403 * siblings but the debug annotations and rq clock 2404 * aren't. Do pinning dance to transfer the ownership. 2405 */ 2406 WARN_ON_ONCE(__rq_lockp(rq) != __rq_lockp(srq)); 2407 rq_unpin_lock(rq, rf); 2408 rq_pin_lock(srq, &srf); 2409 2410 update_rq_clock(srq); 2411 balance_one(srq, sprev, &srf, false); 2412 2413 rq_unpin_lock(srq, &srf); 2414 rq_repin_lock(rq, rf); 2415 } 2416 } 2417 #endif 2418 return ret; 2419 } 2420 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki