From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A582C7113B for ; Thu, 24 Aug 2023 07:45:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239123AbjHXHpN (ORCPT ); Thu, 24 Aug 2023 03:45:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240123AbjHXHop (ORCPT ); Thu, 24 Aug 2023 03:44:45 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36A7E1708 for ; Thu, 24 Aug 2023 00:44:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1692863082; x=1724399082; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KjXKLMK+N4GSRL7HZ1n601Fx0NCTEWQ6GDChxqLcKWM=; b=i/BaHIhbBp7aWFunCnQ1+e02tgp/lMvHSnBo+A6UWm9UA4lcWbFRNoVa EVt32JhUk5CoCx5X0VIvZbRIT5BlSqAF+HJR8FTBJHq+CVhhkAuWW/xgH hNHYUQbzVtDpP5SoPjfyFy81fTmJQLRXXccJ5m91C/hkHskbvK0nTrv7k 8bU+mjkCohzwnQW+3NIWXOVyuOdoBB3T9q48GPjtFyk4Yg0Wf1H5/35KR GNfe288omnU8N12ORoMmwNExloTR9HHce5shgJG6gGwJxKUKBlZTWC8ga mQxqw4sdY6Y2BDT9+m0LWkGHHia+sOG8PfIBpL6lT1o0PjzExFxFg3h8t Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10811"; a="374341867" X-IronPort-AV: E=Sophos;i="6.01,195,1684825200"; d="scan'208";a="374341867" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2023 00:44:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.01,202,1684825200"; d="scan'208";a="880706428" Received: from lkp-server02.sh.intel.com (HELO daf8bb0a381d) ([10.239.97.151]) by fmsmga001.fm.intel.com with ESMTP; 24 Aug 2023 00:44:42 -0700 Received: from kbuild by daf8bb0a381d with local (Exim 4.96) (envelope-from ) id 1qZ51B-0001qc-0z; Thu, 24 Aug 2023 07:44:37 +0000 Date: Thu, 24 Aug 2023 15:43:53 +0800 From: kernel test robot To: Hao Jia , mingo@redhat.com, peterz@infradead.org, mingo@kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com, pauld@redhat.com Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Hao Jia Subject: Re: [PATCH 1/2] sched/core: Introduce sched_class::can_stop_tick() Message-ID: <202308241526.be4l9ROa-lkp@intel.com> References: <20230821094927.51079-2-jiahao.os@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230821094927.51079-2-jiahao.os@bytedance.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Hao, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on next-20230824] [cannot apply to linus/master v6.5-rc7] [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/Hao-Jia/sched-core-Introduce-sched_class-can_stop_tick/20230821-175200 base: tip/sched/core patch link: https://lore.kernel.org/r/20230821094927.51079-2-jiahao.os%40bytedance.com patch subject: [PATCH 1/2] sched/core: Introduce sched_class::can_stop_tick() config: arm64-randconfig-r122-20230824 (https://download.01.org/0day-ci/archive/20230824/202308241526.be4l9ROa-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230824/202308241526.be4l9ROa-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/202308241526.be4l9ROa-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/fair.c:702:6: sparse: sparse: symbol 'update_entity_lag' was not declared. Should it be static? kernel/sched/fair.c:1140:34: 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:1140:34: sparse: expected struct sched_entity const *se kernel/sched/fair.c:1140:34: sparse: got struct sched_entity [noderef] __rcu * kernel/sched/fair.c:12087:9: 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:12087:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12087:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:5674:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:5674:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:5674:22: sparse: struct task_struct * >> kernel/sched/fair.c:6336:56: 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:6336:56: sparse: expected struct task_struct *p kernel/sched/fair.c:6336:56: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:6337:47: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/fair.c:6337:47: sparse: expected struct task_struct *p kernel/sched/fair.c:6337:47: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:6438:38: 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:6438:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:6438:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:7738:20: 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:7738:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:7738:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:7940:9: 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:7940:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:7940:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8039:38: 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:8039:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8039:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:8319:38: 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:8319:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8319:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:9312:40: 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:9312:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:9312:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:9939:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:9939:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:9939:22: sparse: struct task_struct * kernel/sched/fair.c:11359:9: 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:11359:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:11359:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11018:44: 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:11018:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:11018:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11455:9: 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:11455:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:11455:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c: note: in included file: kernel/sched/sched.h:2130:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2130:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2130:25: sparse: struct task_struct * kernel/sched/sched.h:2296:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2296:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2296:9: sparse: struct task_struct * kernel/sched/sched.h:2130:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2130:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2130:25: sparse: struct task_struct * kernel/sched/sched.h:2130:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2130:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2130:25: sparse: struct task_struct * vim +6336 kernel/sched/fair.c 6321 6322 static bool can_stop_tick_fair(struct rq *rq, int *stop_next) 6323 { 6324 if (rq->nr_running > 1) { 6325 *stop_next = 1; 6326 return false; 6327 } 6328 6329 /* 6330 * If there is one task and it has CFS runtime bandwidth constraints 6331 * and it's on the cpu now we don't want to stop the tick. 6332 * This check prevents clearing the bit if a newly enqueued task here is 6333 * dequeued by migrating while the constrained task continues to run. 6334 * E.g. going from 2->1 without going through pick_next_task(). 6335 */ > 6336 if (sched_feat(HZ_BW) && __need_bw_check(rq, rq->curr)) { 6337 if (cfs_task_bw_constrained(rq->curr)) { 6338 *stop_next = 1; 6339 return false; 6340 } 6341 } 6342 6343 return true; 6344 } 6345 #endif 6346 -- 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