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fmviesa010.fm.intel.com with ESMTP; 16 Feb 2026 03:01:36 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vrwMA-00000000zbo-0aH1; Mon, 16 Feb 2026 11:01:34 +0000 Date: Mon, 16 Feb 2026 19:00:51 +0800 From: kernel test robot To: John Stultz Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Peter Zijlstra Subject: kernel/sched/fair.c:1201:33: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202602161810.4BUc7i88-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0f2acd3148e0ef42bdacbd477f90e8533f96b2ac commit: aa4f74dfd42ba4399f785fb9c460a11bd1756f0a sched: Fix runtime accounting w/ split exec & sched contexts date: 7 months ago config: i386-randconfig-063-20260216 (https://download.01.org/0day-ci/archive/20260216/202602161810.4BUc7i88-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260216/202602161810.4BUc7i88-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/202602161810.4BUc7i88-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/fair.c:1167:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *running @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:1167:49: sparse: expected struct task_struct *running kernel/sched/fair.c:1167:49: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/fair.c:1201:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sched_entity *se @@ got struct sched_entity [noderef] __rcu * @@ kernel/sched/fair.c:1201:33: sparse: expected struct sched_entity *se kernel/sched/fair.c:1201:33: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:1259:34: 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:1259:34: sparse: expected struct sched_entity const *se kernel/sched/fair.c:1259:34: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:12744:9: 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:12744:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12744:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:6920:58: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6920:58: sparse: expected struct task_struct *p kernel/sched/fair.c:6920:58: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8302:20: 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:8302:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:8302:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8506:9: 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:8506:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:8506:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8648:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/fair.c:8648:39: sparse: expected struct task_struct *donor kernel/sched/fair.c:8648:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/fair.c:8680:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:8680:37: sparse: expected struct task_struct *tsk kernel/sched/fair.c:8680:37: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8900:38: 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:8900:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8900:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:9917:40: 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:9917:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:9917:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:10545:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10545:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10545:22: sparse: struct task_struct * kernel/sched/fair.c:11990:9: 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:11990:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:11990:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11640:44: 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:11640:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:11640:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:12105:9: 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:12105:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12105:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:6637:35: sparse: sparse: marked inline, but without a definition kernel/sched/fair.c: note: in included file: kernel/sched/sched.h:2462:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2462:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2462:9: sparse: struct task_struct * kernel/sched/sched.h:2262:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2262:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2262:26: sparse: struct task_struct * kernel/sched/sched.h:2262:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2262:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2262:26: sparse: struct task_struct * vim +1201 kernel/sched/fair.c 1154 1155 static s64 update_se(struct rq *rq, struct sched_entity *se) 1156 { 1157 u64 now = rq_clock_task(rq); 1158 s64 delta_exec; 1159 1160 delta_exec = now - se->exec_start; 1161 if (unlikely(delta_exec <= 0)) 1162 return delta_exec; 1163 1164 se->exec_start = now; 1165 if (entity_is_task(se)) { 1166 struct task_struct *donor = task_of(se); > 1167 struct task_struct *running = rq->curr; 1168 /* 1169 * If se is a task, we account the time against the running 1170 * task, as w/ proxy-exec they may not be the same. 1171 */ 1172 running->se.exec_start = now; 1173 running->se.sum_exec_runtime += delta_exec; 1174 1175 trace_sched_stat_runtime(running, delta_exec); 1176 account_group_exec_runtime(running, delta_exec); 1177 1178 /* cgroup time is always accounted against the donor */ 1179 cgroup_account_cputime(donor, delta_exec); 1180 } else { 1181 /* If not task, account the time against donor se */ 1182 se->sum_exec_runtime += delta_exec; 1183 } 1184 1185 if (schedstat_enabled()) { 1186 struct sched_statistics *stats; 1187 1188 stats = __schedstats_from_se(se); 1189 __schedstat_set(stats->exec_max, 1190 max(delta_exec, stats->exec_max)); 1191 } 1192 1193 return delta_exec; 1194 } 1195 1196 /* 1197 * Used by other classes to account runtime. 1198 */ 1199 s64 update_curr_common(struct rq *rq) 1200 { > 1201 return update_se(rq, &rq->donor->se); 1202 } 1203 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki