From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 8FD601922E6 for ; Fri, 10 Jan 2025 06:35:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736490910; cv=none; b=siKaG5Jzb84Y+JQFbSxWk+8d3SM+w15nWA9MovwJf3Xa9Yb30x14mEgEicGuzS8zZSaZ5u0gwqWXOTvTf2qOjwSEVzEGEfrfuG6Bpzxs1Mut48U4DkQkkHK7qnbLidzrry0ufvaXrGK3c0WmE9tVb/aQCJAk+6Hnoe+xtjHOLMY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736490910; c=relaxed/simple; bh=bpm99e/Ti33D5Gj7EIQfPoFVb4NSxkbd6UZRlrPK32A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Zd1CP6La9lvnEdpLRnCxonoLakfZhlke42rHveeReDsVp+fB8aXEXYQkT5aP1dgUObefQLCwV/uAnv/Fc823NLDCTFoYFmFQLohghIZFrT/hoEg2H7x0mwzyvelVJQoUk7DriVe1OV3Q87m23+k1B0UhIdpjWfTY3SJob95OeCA= 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=g/MQ21sK; arc=none smtp.client-ip=198.175.65.9 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="g/MQ21sK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1736490908; x=1768026908; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bpm99e/Ti33D5Gj7EIQfPoFVb4NSxkbd6UZRlrPK32A=; b=g/MQ21sKONiw0mXSqQeIEoeUW8NrWU4wqGldjFoGI8VgYYUXcPw5NK9K 9Fj/QzNLOjEpK1coB0JW/xyzQL/EdBwHsTA9HApiFuGxkShTjfDhORv3/ LNL8ySs51kMj2JTeSuvYGpibvRAAbZDKhMnPbfVrQ44sC9CuQMq9QeDR+ 0DyRlaXHjx2VL3mx3ZiuJ/yArZak217tjZfMChLsn/nKFsvHSC421kWVO RWCr45dpVgzgW55q0aQ0WvTg/FCGt17wjwOsQbIvMJ1mVyoHShFQq1EFE y2Yl9jsTrPkzngk8qbA7cykJzB2B4BHEZ71+QkOFN01wTvFDNVWjRjFQR w==; X-CSE-ConnectionGUID: dKZ4UkA/QWeoUvy+smW6KA== X-CSE-MsgGUID: htqKPLoISNSo6Cd5kKrPfQ== X-IronPort-AV: E=McAfee;i="6700,10204,11310"; a="59252485" X-IronPort-AV: E=Sophos;i="6.12,303,1728975600"; d="scan'208";a="59252485" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jan 2025 22:35:08 -0800 X-CSE-ConnectionGUID: yVvyhEByRPC4FPAhDZKMAA== X-CSE-MsgGUID: PUDezeMMTzuPpaxYrLKH2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,303,1728975600"; d="scan'208";a="103433564" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 09 Jan 2025 22:35:05 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tW8bm-000IeF-0C; Fri, 10 Jan 2025 06:35:02 +0000 Date: Fri, 10 Jan 2025 14:34:52 +0800 From: kernel test robot To: Andrea Righi , Tejun Heo , David Vernet , Changwoo Min Cc: oe-kbuild-all@lists.linux.dev, Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , linux-kernel@vger.kernel.org Subject: Re: [PATCH v5] sched_ext: Refresh scx idle state during idle-to-idle transitions Message-ID: <202501101452.wa7SRR7Q-lkp@intel.com> References: <20250109101952.443769-1-arighi@nvidia.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 In-Reply-To: <20250109101952.443769-1-arighi@nvidia.com> Hi Andrea, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on linus/master v6.13-rc6 next-20250109] [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/Andrea-Righi/sched_ext-Refresh-scx-idle-state-during-idle-to-idle-transitions/20250109-182533 base: tip/sched/core patch link: https://lore.kernel.org/r/20250109101952.443769-1-arighi%40nvidia.com patch subject: [PATCH v5] sched_ext: Refresh scx idle state during idle-to-idle transitions config: x86_64-randconfig-121-20250110 (https://download.01.org/0day-ci/archive/20250110/202501101452.wa7SRR7Q-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250110/202501101452.wa7SRR7Q-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/202501101452.wa7SRR7Q-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_policy.c: note: in included file: >> kernel/sched/idle.c:480:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/idle.c:480:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/idle.c:480:22: sparse: struct task_struct * kernel/sched/build_policy.c: note: in included file: kernel/sched/rt.c:851:70: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:851:70: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:851:70: sparse: struct task_struct * kernel/sched/rt.c:2336:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2336:25: sparse: struct task_struct * kernel/sched/rt.c:2336:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:531:55: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:531:55: sparse: expected struct task_struct *donor kernel/sched/rt.c:531:55: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:991:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:991:39: sparse: expected struct task_struct *donor kernel/sched/rt.c:991:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1529:31: 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:1529:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1529:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1849:9: 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:1849:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1849:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/rt.c:1549:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1549:14: sparse: expected struct task_struct *curr kernel/sched/rt.c:1549:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1550:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1550:15: sparse: expected struct task_struct *donor kernel/sched/rt.c:1550:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1611:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:1611:45: sparse: expected struct task_struct *p kernel/sched/rt.c:1611:45: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1654:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:1654:39: sparse: expected struct task_struct *donor kernel/sched/rt.c:1654:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1674:64: 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:1674:64: sparse: expected struct task_struct *tsk kernel/sched/rt.c:1674:64: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2018:40: 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:2018:40: sparse: expected struct task_struct *task kernel/sched/rt.c:2018:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2041:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:2041:13: sparse: struct task_struct * kernel/sched/rt.c:2041:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2387:54: 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:2387:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2387:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2389:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:2389:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2389:40: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:2389:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/rt.c:2389:62: sparse: expected struct task_struct *p kernel/sched/rt.c:2389:62: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/build_policy.c: note: in included file: kernel/sched/deadline.c:2715:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:2715:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2715:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2725:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2725:13: sparse: struct task_struct * kernel/sched/deadline.c:2725:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2831:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2831:25: sparse: struct task_struct * kernel/sched/deadline.c:2831:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2357:42: 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:2357:42: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2357:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2368:38: 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:2368:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2368:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1262:39: 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:1262:39: sparse: expected struct task_struct *p kernel/sched/deadline.c:1262:39: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1262:85: 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:1262:85: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1262:85: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1362:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:1362:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1362:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:1671:31: 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:1671:31: sparse: expected struct task_struct *p kernel/sched/deadline.c:1671:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1671:70: 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:1671:70: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1671:70: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1759:39: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:1759:39: sparse: expected struct task_struct *donor kernel/sched/deadline.c:1759:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2576:9: 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:2576:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:2576:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/deadline.c:2242:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2242:14: sparse: expected struct task_struct *curr kernel/sched/deadline.c:2242:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2243:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2243:15: sparse: expected struct task_struct *donor kernel/sched/deadline.c:2243:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2318:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/deadline.c:2318:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:2318:43: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2876:38: 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:2876:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2876:38: sparse: got struct task_struct [noderef] __rcu *curr vim +480 kernel/sched/idle.c 465 466 struct task_struct *pick_task_idle(struct rq *rq) 467 { 468 /* 469 * The scx idle state is updated only when the CPU transitions 470 * in/out of SCHED_IDLE, see put_prev_task_idle() and 471 * set_next_task_idle(). 472 * 473 * However, the CPU may also exit/enter the idle state while 474 * running the idle task, for example waking up the CPU via 475 * scx_bpf_kick_cpu() without dispatching a task on it. 476 * 477 * In this case we still need to trigger scx_update_idle() to 478 * ensure a proper management of the scx idle state. 479 */ > 480 if (rq->curr == rq->idle) 481 scx_update_idle(rq, true, false); 482 return rq->idle; 483 } 484 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki