From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 E2C5E39ACA for ; Sat, 10 Feb 2024 16:51:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707583900; cv=none; b=kftb+W5gNbNxT6dGps387iCMmHx5bvr6kU3vM5DJf5yj1WBcRKye6mZya2z1szsOkV41PaE1gZRjbZdB2MRB4Fuwjq1I6VQFp4aEMilILWDGoG/wC4cvFRoKcrc1EqDi3ol0NKdNFLRU/pqLBycuCHc821BNsg8BqmjYTBicfcw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707583900; c=relaxed/simple; bh=YEIY1/rIwl/UaRivphA+86Ks5PinOnmYvKZCME1bB5c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LKUTw8JCxkRyV1TU4IvTkVlOQZuyDPNcN7+vzmv/kEApQePTkhyZC8FZ0QZ9IUMKWxyXGkfB9auC5aNctWO55hny58NCYTM8IH1ldBj48FrSDJ10tif/h+1dEABPGoaGFj+1wP11lxwbMt6AuMMdUW3wgKN08C1iZ5Wmvm6B81k= 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=HOU2g3ZS; arc=none smtp.client-ip=198.175.65.21 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="HOU2g3ZS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1707583899; x=1739119899; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=YEIY1/rIwl/UaRivphA+86Ks5PinOnmYvKZCME1bB5c=; b=HOU2g3ZSwLc09KRnC8nHmD9p0y4ZiCtVpFStfc/g630rTb/x9Z+fA8MD jQC90KITGu+p3yfHyKOF5Nels81C6FUvGMX7XZRXX3o9DT8j5iDvcq8pf lurssuWuTAe9kJigEizN/HoCs385xpmqi4gH+E5yWj7F9UYbHHUZcWYsB v7Vnd0m89iZ6UA5t8/LBZr6MJDhJBBa7Ba93dxTrjcYerZoQ/QO0IKI6v /m8Do4Mw1rUouf+5lYL6G9EkeaGApZg20mtTdQBMWHMFTe4dTvTmR9Zwz 9RvXE3W6W7A0fAcobfxhwRBpPsgMehTU1uZSAsWzSOE1qWzsG7jdtNtY3 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10980"; a="1478829" X-IronPort-AV: E=Sophos;i="6.05,259,1701158400"; d="scan'208";a="1478829" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2024 08:51:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,259,1701158400"; d="scan'208";a="32983960" Received: from lkp-server01.sh.intel.com (HELO 01f0647817ea) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 10 Feb 2024 08:51:31 -0800 Received: from kbuild by 01f0647817ea with local (Exim 4.96) (envelope-from ) id 1rYqZb-0005sM-2w; Sat, 10 Feb 2024 16:51:27 +0000 Date: Sun, 11 Feb 2024 00:51:25 +0800 From: kernel test robot To: John Stultz , LKML Cc: oe-kbuild-all@lists.linux.dev, Peter Zijlstra , Joel Fernandes , Qais Yousef , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Valentin Schneider , Steven Rostedt , Ben Segall , Zimuzo Ezeozue , Youssef Esmat , Mel Gorman , Daniel Bristot de Oliveira , Will Deacon , Waiman Long , Boqun Feng , "Paul E. McKenney" , Xuewen Yan , K Prateek Nayak , Metin Kaya , Thomas Gleixner , kernel-team@android.com, Connor O'Brien , John Stultz Subject: Re: [PATCH v8 7/7] sched: Split scheduler and execution contexts Message-ID: <202402110009.Pd1PVwG6-lkp@intel.com> References: <20240210002328.4126422-8-jstultz@google.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240210002328.4126422-8-jstultz@google.com> Hi John, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on tip/master linus/master v6.8-rc3 next-20240209] [cannot apply to tip/locking/core tip/auto-latest] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/John-Stultz/locking-mutex-Remove-wakeups-from-under-mutex-wait_lock/20240210-082732 base: tip/sched/core patch link: https://lore.kernel.org/r/20240210002328.4126422-8-jstultz%40google.com patch subject: [PATCH v8 7/7] sched: Split scheduler and execution contexts config: x86_64-randconfig-r121-20240210 (https://download.01.org/0day-ci/archive/20240211/202402110009.Pd1PVwG6-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240211/202402110009.Pd1PVwG6-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/202402110009.Pd1PVwG6-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/core.c:264:56: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:264:56: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:264:56: sparse: struct task_struct * kernel/sched/core.c:796:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:796:55: sparse: expected struct task_struct *p kernel/sched/core.c:796:55: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:1042:38: 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:1042:38: sparse: expected struct task_struct *curr kernel/sched/core.c:1042:38: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/core.c:2240:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *selected @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:2240:40: sparse: expected struct task_struct *selected kernel/sched/core.c:2240:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:2251:68: 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:2251:68: sparse: expected struct task_struct *tsk kernel/sched/core.c:2251:68: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:3745:17: 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:3745:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:3745:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/core.c:3952:36: 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:3952:36: sparse: expected struct task_struct const *p kernel/sched/core.c:3952:36: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:9472:43: 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:9472:43: sparse: expected struct task_struct *push_task kernel/sched/core.c:9472:43: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/core.c:5671:18: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *selected @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/core.c:5671:18: sparse: expected struct task_struct *selected kernel/sched/core.c:5671:18: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:6315:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6315:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6315:32: sparse: struct task_struct * kernel/sched/core.c:6346:23: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6346:23: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6346:23: sparse: struct task_struct * kernel/sched/core.c:6354:46: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:6354:46: sparse: struct task_struct * kernel/sched/core.c:6354:46: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:6414:9: 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:6414:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/core.c:6414:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/core.c:6667:14: 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:6667:14: sparse: expected struct task_struct *prev kernel/sched/core.c:6667:14: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:7201:17: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:7201:17: sparse: struct task_struct * kernel/sched/core.c:7201:17: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:7416:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:7416:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:7416:22: sparse: struct task_struct * kernel/sched/core.c:7463:48: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:7463:48: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:7463:48: sparse: struct task_struct * kernel/sched/core.c:11505:25: 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:11505:25: sparse: expected struct task_struct *p kernel/sched/core.c:11505:25: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:338:9: sparse: sparse: context imbalance in 'sched_core_lock' - different lock contexts for basic block kernel/sched/core.c:348:17: sparse: sparse: context imbalance in 'sched_core_unlock' - unexpected unlock kernel/sched/core.c:551:6: sparse: sparse: context imbalance in 'raw_spin_rq_lock_nested' - wrong count at exit kernel/sched/core.c:584:23: sparse: sparse: context imbalance in 'raw_spin_rq_trylock' - wrong count at exit kernel/sched/core.c:600:6: sparse: sparse: context imbalance in 'raw_spin_rq_unlock' - unexpected unlock kernel/sched/core.c: note: in included file: kernel/sched/sched.h:1619:9: sparse: sparse: context imbalance in '__task_rq_lock' - wrong count at exit kernel/sched/sched.h:1619:9: sparse: sparse: context imbalance in 'task_rq_lock' - wrong count at exit kernel/sched/core.c: note: in included file: kernel/sched/pelt.h:97:13: 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:97:13: sparse: expected struct task_struct const *p kernel/sched/pelt.h:97:13: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/core.c:796:9: sparse: sparse: dereference of noderef expression kernel/sched/core.c:1502:13: sparse: sparse: context imbalance in 'uclamp_update_util_min_rt_default' - wrong count at exit kernel/sched/core.c:1834:9: sparse: sparse: context imbalance in 'uclamp_sync_util_min_rt_default' - wrong count at exit kernel/sched/core.c:2321:35: 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:2163:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2163:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2163:32: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/core.c:2215:38: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/core.c:2215:38: sparse: struct task_struct [noderef] __rcu * kernel/sched/core.c:2215:38: sparse: struct task_struct const * kernel/sched/sched.h:2163:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2163:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2163:32: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/sched.h:2163:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2163:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2163:32: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/sched.h:2163:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2163:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2163:32: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/sched.h:2163:32: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2163:32: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2163:32: sparse: struct task_struct * kernel/sched/sched.h:2335:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2335:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2335:9: sparse: struct task_struct * kernel/sched/core.c: note: in included file (through arch/x86/include/asm/uaccess.h, include/linux/uaccess.h, include/linux/sched/task.h, ...): arch/x86/include/asm/uaccess_64.h:88:24: sparse: sparse: cast removes address space '__user' of expression kernel/sched/core.c:8333:5: sparse: sparse: context imbalance in 'dl_task_check_affinity' - wrong count at exit kernel/sched/core.c:8437:9: sparse: sparse: context imbalance in 'sched_setaffinity' - different lock contexts for basic block kernel/sched/core.c:8499:6: sparse: sparse: context imbalance in 'sched_getaffinity' - wrong count at exit kernel/sched/core.c:8662:28: sparse: sparse: context imbalance in '__cond_resched_lock' - unexpected unlock kernel/sched/core.c:8680:17: sparse: sparse: context imbalance in '__cond_resched_rwlock_read' - unexpected unlock kernel/sched/core.c:8698:17: sparse: sparse: context imbalance in '__cond_resched_rwlock_write' - unexpected unlock kernel/sched/core.c:11670:5: sparse: sparse: context imbalance in '__sched_mm_cid_migrate_from_fetch_cid' - different lock contexts for basic block vim +2240 kernel/sched/core.c 2237 2238 void wakeup_preempt(struct rq *rq, struct task_struct *p, int flags) 2239 { > 2240 struct task_struct *selected = rq_selected(rq); 2241 2242 if (p->sched_class == selected->sched_class) 2243 selected->sched_class->wakeup_preempt(rq, p, flags); 2244 else if (sched_class_above(p->sched_class, selected->sched_class)) 2245 resched_curr(rq); 2246 2247 /* 2248 * A queue event has occurred, and we're going to schedule. In 2249 * this case, we can save a useless back to back clock update. 2250 */ 2251 if (task_on_rq_queued(selected) && test_tsk_need_resched(rq->curr)) 2252 rq_clock_skip_update(rq); 2253 } 2254 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki