From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 0E0DF304BA0 for ; Fri, 7 Nov 2025 06:54:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762498491; cv=none; b=FQQEuxz4Se5IPt2imKluen3nG4UQ75HISkAFk39m2OzqG/qceKn9OBDizC6mbiBUupbbz8DQFUYEBEQCrnU2Vnh5Rdurlr21OW+zJgmte0A47jV1Adk02op5hbiok73xbb9E1Mg99pSQ28EnsrZhhEj9gqUIkdxDTax7G4lvmRQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762498491; c=relaxed/simple; bh=sXyhTXDs909Z1OaZ582MkGIoqUjb2geKPygIS8L9w5M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rqBsHdxkzZflLuZ3cyk8d9h6lf+KXJZaa5KUYO61FNf3/B8fpElS1kLMWfjxIuKpaHszfXJdJvjxkgi4xXkcCv4S5ahFDer7+vwnxGiGtXgdP93k+vk27BQVvd3oyi80p5rpCChQh6tfbiqUQY0Tj1mhsSdSBTC+TbnZMOZZN34= 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=ZSslV2mQ; arc=none smtp.client-ip=192.198.163.17 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="ZSslV2mQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762498489; x=1794034489; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sXyhTXDs909Z1OaZ582MkGIoqUjb2geKPygIS8L9w5M=; b=ZSslV2mQ5gofeJgXviDTVq/W3eggB7xCGftam2TVGPQCJISc6G0TJGL3 oWsbuNAyY/A6AoGhBJeApLi0A425E65ou+cy7+mSJWGS7YFzZkel4XMjc KiBwX94xL9uqxsLzdZ5x1kriPElQB0VHKkS4xfVurpk/6YUexL5vFpVn2 dPNQjfYdsm4PWLTGoe44mL/5x6AWs/CAAYTBRLK54CyZyIcAYaMkQUP2j il6nU1Be9Ka0u6drtvXAxGEufjuNuBZb/KCaPUbZqJgguk1kkNN2RwiZI wXMgR8peKONxNg9UdWyBx8LkgTeFF8oEp4jqXZd5CnGBOp5K3TloWJSl0 g==; X-CSE-ConnectionGUID: g9nB78X2Qva8JuNw7m9PbQ== X-CSE-MsgGUID: dq1jWOp5RAKldO5u6t4ifQ== X-IronPort-AV: E=McAfee;i="6800,10657,11605"; a="64562453" X-IronPort-AV: E=Sophos;i="6.19,286,1754982000"; d="scan'208";a="64562453" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2025 22:54:47 -0800 X-CSE-ConnectionGUID: qCXu+G4TTie8yGYCXuV+sQ== X-CSE-MsgGUID: zmMYzrAYRzKAHZveSobs/A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,286,1754982000"; d="scan'208";a="188132550" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa008.jf.intel.com with ESMTP; 06 Nov 2025 22:54:44 -0800 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vHGMr-000Uoe-1G; Fri, 07 Nov 2025 06:54:41 +0000 Date: Fri, 7 Nov 2025 14:54:22 +0800 From: kernel test robot To: Fernand Sieber , mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, dwmw@amazon.co.uk, jschoenh@amazon.de, liuyuxua@amazon.com Subject: Re: [PATCH] sched: Proxy yields to donor tasks Message-ID: <202511071431.9PLsHNo5-lkp@intel.com> References: <20251106104022.195157-1-sieberf@amazon.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: <20251106104022.195157-1-sieberf@amazon.com> Hi Fernand, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on linus/master v6.18-rc4 next-20251107] [cannot apply to peterz-queue/sched/core] [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/Fernand-Sieber/sched-Proxy-yields-to-donor-tasks/20251106-184337 base: tip/sched/core patch link: https://lore.kernel.org/r/20251106104022.195157-1-sieberf%40amazon.com patch subject: [PATCH] sched: Proxy yields to donor tasks config: arm64-randconfig-r131-20251107 (https://download.01.org/0day-ci/archive/20251107/202511071431.9PLsHNo5-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251107/202511071431.9PLsHNo5-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/202511071431.9PLsHNo5-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:12848:9: 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:12848:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12848:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:7012:58: 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:7012:58: sparse: expected struct task_struct *p kernel/sched/fair.c:7012:58: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/fair.c:6072:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:6072:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:6072:22: sparse: struct task_struct * kernel/sched/fair.c:8397:20: 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:8397:20: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:8397:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8601:9: 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:8601:9: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/fair.c:8601:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:8734:39: 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:8734:39: sparse: expected struct task_struct *donor kernel/sched/fair.c:8734:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/fair.c:8766:37: 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:8766:37: sparse: expected struct task_struct *tsk kernel/sched/fair.c:8766:37: sparse: got struct task_struct [noderef] __rcu *curr >> kernel/sched/fair.c:8983:38: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/fair.c:8983:38: sparse: expected struct task_struct *curr kernel/sched/fair.c:8983:38: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/fair.c:10020:40: 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:10020:40: sparse: expected struct sched_domain *child kernel/sched/fair.c:10020:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/fair.c:10648:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/fair.c:10648:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/fair.c:10648:22: sparse: struct task_struct * kernel/sched/fair.c:12093:9: 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:12093:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12093:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:11743:44: 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:11743:44: sparse: expected struct sched_domain *sd_parent kernel/sched/fair.c:11743:44: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c:12208:9: 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:12208:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/fair.c:12208:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/fair.c: note: in included file: kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/sched.h:2625:9: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2625:9: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2625:9: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/sched.h:2281:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2281:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2281:25: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * -- kernel/sched/rt.c:976:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1493:31: 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:1493:31: sparse: expected struct task_struct *p kernel/sched/rt.c:1493:31: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1809:9: 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:1809:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/rt.c:1809:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/rt.c:1512:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1512:14: sparse: expected struct task_struct *curr kernel/sched/rt.c:1512:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1513:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/rt.c:1513:15: sparse: expected struct task_struct *donor kernel/sched/rt.c:1513:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/rt.c:1574:45: 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:1574:45: sparse: expected struct task_struct *p kernel/sched/rt.c:1574:45: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1616:39: 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:1616:39: sparse: expected struct task_struct *donor kernel/sched/rt.c:1616:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:1635:64: 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:1635:64: sparse: expected struct task_struct *tsk kernel/sched/rt.c:1635:64: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1976:40: 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:1976:40: sparse: expected struct task_struct *task kernel/sched/rt.c:1976:40: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:1999:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/rt.c:1999:13: sparse: struct task_struct * kernel/sched/rt.c:1999:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/rt.c:2345:54: 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:2345:54: sparse: expected struct task_struct *tsk kernel/sched/rt.c:2345:54: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/rt.c:2347:40: 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:2347:40: sparse: expected struct task_struct *p kernel/sched/rt.c:2347:40: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/rt.c:2347:62: 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:2347:62: sparse: expected struct task_struct *p kernel/sched/rt.c:2347:62: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/build_policy.c: note: in included file: kernel/sched/deadline.c:2677:23: 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:2677:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2677:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2687:13: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2687:13: sparse: struct task_struct * kernel/sched/deadline.c:2687:13: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2793:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:2793:25: sparse: struct task_struct * kernel/sched/deadline.c:2793:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2295:42: 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:2295:42: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2295:42: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:2305:38: 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:2305:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2305:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1194:39: 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:1194:39: sparse: expected struct task_struct *p kernel/sched/deadline.c:1194:39: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1194:85: 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:1194:85: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1194:85: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1292:23: 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:1292:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:1292:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:1590:31: 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:1590:31: sparse: expected struct task_struct *p kernel/sched/deadline.c:1590:31: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:1590:70: 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:1590:70: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:1590:70: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:1703:39: 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:1703:39: sparse: expected struct task_struct *donor kernel/sched/deadline.c:1703:39: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2513:9: 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:2513:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/deadline.c:2513:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/deadline.c:2181:14: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2181:14: sparse: expected struct task_struct *curr kernel/sched/deadline.c:2181:14: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2182:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *donor @@ got struct task_struct [noderef] __rcu * @@ kernel/sched/deadline.c:2182:15: sparse: expected struct task_struct *donor kernel/sched/deadline.c:2182:15: sparse: got struct task_struct [noderef] __rcu * kernel/sched/deadline.c:2257:43: 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:2257:43: sparse: expected struct task_struct *p kernel/sched/deadline.c:2257:43: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2838:38: 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:2838:38: sparse: expected struct task_struct *tsk kernel/sched/deadline.c:2838:38: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/deadline.c:2840:23: 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:2840:23: sparse: expected struct task_struct *p kernel/sched/deadline.c:2840:23: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/deadline.c:2842:44: 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:2842:44: sparse: expected struct sched_dl_entity const *b kernel/sched/deadline.c:2842:44: sparse: got struct sched_dl_entity [noderef] __rcu * kernel/sched/deadline.c:3036:23: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/deadline.c:3036:23: sparse: struct task_struct [noderef] __rcu * kernel/sched/deadline.c:3036:23: sparse: struct task_struct * kernel/sched/deadline.c:3083:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *p @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/build_policy.c: note: in included file: kernel/sched/syscalls.c:185:22: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/syscalls.c:185:22: sparse: struct task_struct [noderef] __rcu * kernel/sched/syscalls.c:185:22: sparse: struct task_struct * >> kernel/sched/syscalls.c:1397:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct task_struct *curr @@ got struct task_struct [noderef] __rcu *donor @@ kernel/sched/syscalls.c:1397:22: sparse: expected struct task_struct *curr kernel/sched/syscalls.c:1397:22: sparse: got struct task_struct [noderef] __rcu *donor kernel/sched/build_policy.c: note: in included file: kernel/sched/sched.h:2281:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2281:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2281:25: sparse: struct task_struct * kernel/sched/sched.h:2281:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2281:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2281:25: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/sched.h:2281:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2281:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2281:25: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/sched.h:2281:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2281:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2281:25: sparse: struct task_struct * kernel/sched/sched.h:2281:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2281:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2281:25: sparse: struct task_struct * kernel/sched/sched.h:2292:26: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2292:26: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2292:26: sparse: struct task_struct * kernel/sched/build_policy.c: note: in included file: kernel/sched/syscalls.c:1257:6: sparse: sparse: context imbalance in 'sched_getaffinity' - wrong count at exit kernel/sched/syscalls.c:1322:11: sparse: sparse: dereference of noderef expression kernel/sched/build_policy.c: note: in included file: kernel/sched/rt.c:1659:15: sparse: sparse: dereference of noderef expression vim +8983 kernel/sched/fair.c 8977 8978 /* 8979 * sched_yield() is very simple 8980 */ 8981 static void yield_task_fair(struct rq *rq) 8982 { > 8983 struct task_struct *curr = rq->donor; 8984 struct cfs_rq *cfs_rq = task_cfs_rq(curr); 8985 struct sched_entity *se = &curr->se; 8986 8987 /* 8988 * Are we the only task in the tree? 8989 */ 8990 if (unlikely(rq->nr_running == 1)) 8991 return; 8992 8993 clear_buddies(cfs_rq, se); 8994 8995 update_rq_clock(rq); 8996 /* 8997 * Update run-time statistics of the 'current'. 8998 */ 8999 update_curr(cfs_rq); 9000 /* 9001 * Tell update_rq_clock() that we've just updated, 9002 * so we don't do microscopic update in schedule() 9003 * and double the fastpath cost. 9004 */ 9005 rq_clock_skip_update(rq); 9006 9007 /* 9008 * Forfeit the remaining vruntime, only if the entity is eligible. This 9009 * condition is necessary because in core scheduling we prefer to run 9010 * ineligible tasks rather than force idling. If this happens we may 9011 * end up in a loop where the core scheduler picks the yielding task, 9012 * which yields immediately again; without the condition the vruntime 9013 * ends up quickly running away. 9014 */ 9015 if (entity_eligible(cfs_rq, se)) { 9016 se->vruntime = se->deadline; 9017 se->deadline += calc_delta_fair(se->slice, se); 9018 update_min_vruntime(cfs_rq); 9019 } 9020 } 9021 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki