From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9DD4D1946C8 for ; Tue, 17 Feb 2026 02:32:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771295532; cv=none; b=N9uJjt/jHTdd5Mq7/IxQAwXELS6MjlDLhJH7LC1mlQ75HW6f2/GcAd9A0M7+MWLPjyB6Zrbjc/nAx3CbbQp98ZTOe4aORy93dko9esS+l02/laQlLPodLuNjHdKw0DrKRGHQLsgwOlyM/2s2OallvcddsDhlTIlOKFMm7oWdsrA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771295532; c=relaxed/simple; bh=Zs2Atq6h1Wqc6grTG0CUpo812RYgv6v4L/kvxTkwieU=; h=Date:From:To:Cc:Subject:Message-ID; b=rzodM3TBEF2KgFJdlWN4QdotU7mZH7V+Q08z4HeWVe9Kd5VjIXLKGUOg1lTK+/Ld1gKCh/RSqtXdl6f5CNbw4gduEAgHQQ8DSIxO4qLVszzuyDt8bVTteuT8ckB4oh3q0xoiuTYFYOMybszdMK1e1ojF+MbdRbefosg5vTXmw5g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Wfp2Yho4; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Wfp2Yho4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771295531; x=1802831531; h=date:from:to:cc:subject:message-id; bh=Zs2Atq6h1Wqc6grTG0CUpo812RYgv6v4L/kvxTkwieU=; b=Wfp2Yho4BiFDXOPy0GtVk40jzqscbKZpbmboiSunm2NVnB3/ti43zeti QgE936jDIf5ZvRo4k71jVzfpa30D9pE19bQyAeRFnmIFkezQaa4udN+0I gL20Re1P0XItdH+Do+4BpZB431A37UeNCwhzjpYPBJowcrqhqfsU3yUkz ohCGpsefnU/iS6XpAF2jN72tUilfuMkO1Yo1wpmrbTdyZSUsqQ7H/YFAH kYwIsy+zjKSmndN2ZRNr4tKmIaf9RJd3a88SXKqqrsD1GMhM3au1hEpRB gTgEzG4uC2BiSB/I5F81KB/U3cUjS5P4UztjWu5QUz+XYrKMsVeu7EyGz w==; X-CSE-ConnectionGUID: NA3hJJY6SSiAhekKfJ8b/g== X-CSE-MsgGUID: qDjW1NNXSne8tpkIvhlfEQ== X-IronPort-AV: E=McAfee;i="6800,10657,11703"; a="89780115" X-IronPort-AV: E=Sophos;i="6.21,295,1763452800"; d="scan'208";a="89780115" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2026 18:32:11 -0800 X-CSE-ConnectionGUID: Q3AYwiRZRwm9u95OHNKxzQ== X-CSE-MsgGUID: C74bVeawTKO7t3QUv4ocxQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,295,1763452800"; d="scan'208";a="218747297" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 16 Feb 2026 18:32:08 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vsAsg-000000010Xk-1JV7; Tue, 17 Feb 2026 02:32:06 +0000 Date: Tue, 17 Feb 2026 10:31:46 +0800 From: kernel test robot To: Peter Zijlstra Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Ingo Molnar Subject: kernel/sched/core.c:881:49: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202602171024.7LU9yYC8-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: 9702969978695d9a699a1f34771580cdbb153b33 commit: e38e5299747b23015b00b0109891815db44a2f30 sched/hrtick: Fix hrtick() vs. scheduling context date: 2 months ago config: i386-randconfig-063-20260215 (https://download.01.org/0day-ci/archive/20260217/202602171024.7LU9yYC8-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260217/202602171024.7LU9yYC8-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/202602171024.7LU9yYC8-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/core.c:330:56: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:330:56: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:330:56: sparse: struct task_struct * kernel/sched/core.c:805:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:805:33: sparse: expected struct task_struct *task kernel/sched/core.c:805:33: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/core.c:881:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:881:49: sparse: expected struct task_struct *p kernel/sched/core.c:881:49: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:1101:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:1101:38: sparse: expected struct task_struct *curr kernel/sched/core.c:1101:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:2175:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:2175:39: sparse: expected struct task_struct *donor kernel/sched/core.c:2175:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:2186:65: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:2186:65: sparse: expected struct task_struct *tsk kernel/sched/core.c:2186:65: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:3583:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/core.c:3583:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:3583:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/core.c:3788:36: 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/core.c:3788:36: sparse: expected struct task_struct const *p kernel/sched/core.c:3788:36: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:8065:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *push_task @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:8065:43: sparse: expected struct task_struct *push_task kernel/sched/core.c:8065:43: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:5512:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:5512:15: sparse: expected struct task_struct *donor kernel/sched/core.c:5512:15: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:6180:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6180:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6180:32: sparse: struct task_struct * kernel/sched/core.c:6211:23: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6211:23: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6211:23: sparse: struct task_struct * kernel/sched/core.c:6219:46: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6219:46: sparse: struct task_struct * kernel/sched/core.c:6219:46: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6276:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/core.c:6276:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:6276:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/core.c:6730:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:6730:14: sparse: expected struct task_struct *prev kernel/sched/core.c:6730:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:6797:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *prev @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/core.c:6797:37: sparse: expected struct task_struct *prev kernel/sched/core.c:6797:37: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/core.c:7303:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:7303:17: sparse: struct task_struct * kernel/sched/core.c:7303:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:10207:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:10207:25: sparse: expected struct task_struct *p kernel/sched/core.c:10207:25: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:404:9: sparse: sparse: context imbalance in 'sched_core_lock' - different lock contexts for basic block kernel/sched/core.c:414:17: sparse: sparse: context imbalance in 'sched_core_unlock' - unexpected unlock kernel/sched/core.c:632:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit kernel/sched/core.c:657:6: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit kernel/sched/core.c:681:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock kernel/sched/core.c: note: in included file: kernel/sched/sched.h:1808:9: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit kernel/sched/sched.h:1808:9: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit kernel/sched/core.c: note: in included file: kernel/sched/pelt.h:102:13: 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/pelt.h:102:13: sparse: expected struct task_struct const *p kernel/sched/pelt.h:102:13: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:881:11: sparse: sparse: dereference of noderef expression kernel/sched/core.c:2256:35: sparse: sparse: context imbalance in 'wait_task_inactive' - different lock contexts for basic block kernel/sched/core.c: note: in included file: kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2291:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2291:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2291:25: sparse: struct task_struct * kernel/sched/core.c:2170:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:2170:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:2170:38: sparse: struct task_struct const * kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2302:26: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2635:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2635:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2635:9: sparse: struct task_struct * kernel/sched/sched.h:2302:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2302:26: sparse: struct task_struct [noderef] __rcu * vim +881 kernel/sched/core.c 867 868 /* 869 * High-resolution timer tick. 870 * Runs from hardirq context with interrupts disabled. 871 */ 872 static enum hrtimer_restart hrtick(struct hrtimer *timer) 873 { 874 struct rq *rq = container_of(timer, struct rq, hrtick_timer); 875 struct rq_flags rf; 876 877 WARN_ON_ONCE(cpu_of(rq) != smp_processor_id()); 878 879 rq_lock(rq, &rf); 880 update_rq_clock(rq); > 881 rq->donor->sched_class->task_tick(rq, rq->donor, 1); 882 rq_unlock(rq, &rf); 883 884 return HRTIMER_NORESTART; 885 } 886 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki