From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 55E122375C for ; Thu, 4 Jan 2024 14:55:03 +0000 (UTC) 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="hYTezPHE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1704380103; x=1735916103; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=sQdXiblKbLhQtwIgo5bne0wGbDg93OesfVhpvV65emE=; b=hYTezPHEbBUmDhO3ENu88P+nz2h+ByEtgs6Yyw6NUBqtMJTkANtCLDsU sxucRYadwCeLs8TXJWxlsN+cHRBhphXf2ztshDrO07hEb6j3yrgQBWPl5 QaxKPjpV/eXDCghAC+I643C+VZHxLNVJGrYOgVP/BaU5dJdIPeVMN97M+ LbwrXAlkxJt7gYKW4PqPKDLStyqKxH19XwFt/QaSZ3q1AzVtw2CHhfoD5 YNnjzDz9NltgQmcRE3YTfy+Ke2GUhcufI9VRtXkjbreND4q7Opt8/S587 1fuVRBew8z/Y9G6WvmRChDpqifml4oorwYFA2vlRlTV1GBPCT5EXWWgyt g==; X-IronPort-AV: E=McAfee;i="6600,9927,10943"; a="4623682" X-IronPort-AV: E=Sophos;i="6.04,331,1695711600"; d="scan'208";a="4623682" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2024 06:55:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.04,331,1695711600"; d="scan'208";a="28813347" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orviesa001.jf.intel.com with ESMTP; 04 Jan 2024 06:54:58 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rLP7W-000NPw-07; Thu, 04 Jan 2024 14:54:54 +0000 Date: Thu, 4 Jan 2024 22:54:30 +0800 From: kernel test robot To: Pierre Gondois , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Pierre Gondois , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider Subject: Re: [PATCH 1/2] sched/topology: Annotate RCU pointers properly Message-ID: <202401042241.EQntOcPK-lkp@intel.com> References: <20240103125648.194516-2-pierre.gondois@arm.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: <20240103125648.194516-2-pierre.gondois@arm.com> Hi Pierre, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on tip/master peterz-queue/sched/core tip/auto-latest linus/master v6.7-rc8 next-20240104] [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/Pierre-Gondois/sched-topology-Annotate-RCU-pointers-properly/20240103-210154 base: tip/sched/core patch link: https://lore.kernel.org/r/20240103125648.194516-2-pierre.gondois%40arm.com patch subject: [PATCH 1/2] sched/topology: Annotate RCU pointers properly config: arm64-randconfig-r111-20240104 (https://download.01.org/0day-ci/archive/20240104/202401042241.EQntOcPK-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240104/202401042241.EQntOcPK-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/202401042241.EQntOcPK-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_utility.c: note: in included file: kernel/sched/topology.c:485:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct perf_domain *pd @@ got struct perf_domain [noderef] __rcu *pd @@ kernel/sched/topology.c:485:19: sparse: expected struct perf_domain *pd kernel/sched/topology.c:485:19: sparse: got struct perf_domain [noderef] __rcu *pd kernel/sched/topology.c:647:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:647:49: sparse: expected struct sched_domain *parent kernel/sched/topology.c:647:49: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:732:50: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:732:50: sparse: expected struct sched_domain *parent kernel/sched/topology.c:732:50: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:740:55: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *[noderef] __rcu child @@ got struct sched_domain *[assigned] tmp @@ kernel/sched/topology.c:740:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child kernel/sched/topology.c:740:55: sparse: got struct sched_domain *[assigned] tmp kernel/sched/topology.c:753:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:753:29: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:753:29: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:758:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:758:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:758:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:779:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] tmp @@ got struct sched_domain [noderef] __rcu *sd @@ kernel/sched/topology.c:779:13: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:779:13: sparse: got struct sched_domain [noderef] __rcu *sd kernel/sched/topology.c:941:70: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:941:70: sparse: expected struct sched_domain *sd kernel/sched/topology.c:941:70: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:970:59: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:970:59: sparse: expected struct sched_domain *sd kernel/sched/topology.c:970:59: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1016:57: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1016:57: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1016:57: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1018:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1018:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1018:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1026:55: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1026:55: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1026:55: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1028:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *sibling @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1028:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1028:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1098:62: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1098:62: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1098:62: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1202:40: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:1202:40: sparse: expected struct sched_domain *child kernel/sched/topology.c:1202:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1622:43: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain [noderef] __rcu *child @@ got struct sched_domain *child @@ kernel/sched/topology.c:1622:43: sparse: expected struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1622:43: sparse: got struct sched_domain *child >> kernel/sched/topology.c:1998:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected int *distances @@ got int [noderef] __rcu *static [addressable] [assigned] [toplevel] sched_domains_numa_distance @@ kernel/sched/topology.c:1998:19: sparse: expected int *distances kernel/sched/topology.c:1998:19: sparse: got int [noderef] __rcu *static [addressable] [assigned] [toplevel] sched_domains_numa_distance >> kernel/sched/topology.c:2000:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct cpumask ***masks @@ got struct cpumask **[noderef] __rcu *static [addressable] [assigned] [toplevel] sched_domains_numa_masks @@ kernel/sched/topology.c:2000:15: sparse: expected struct cpumask ***masks kernel/sched/topology.c:2000:15: sparse: got struct cpumask **[noderef] __rcu *static [addressable] [assigned] [toplevel] sched_domains_numa_masks kernel/sched/topology.c:2321:31: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain [noderef] __rcu *parent @@ got struct sched_domain *sd @@ kernel/sched/topology.c:2321:31: sparse: expected struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2321:31: sparse: got struct sched_domain *sd kernel/sched/topology.c:2425:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2425:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2425:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2446:56: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct sched_domain *child @@ got struct sched_domain [noderef] __rcu *child @@ kernel/sched/topology.c:2446:56: sparse: expected struct sched_domain *child kernel/sched/topology.c:2446:56: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:2445:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2445:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2445:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2500:57: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2500:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2500:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file (through include/linux/smp.h, include/linux/sched/clock.h): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true kernel/sched/build_utility.c: note: in included file: kernel/sched/sched.h:1846:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1846:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/sched.h:1846:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/sched.h:1867:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1867:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/sched.h:1867:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/sched.h:1867:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1867:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/sched.h:1867:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/sched.h:1846:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1846:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/sched.h:1846:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/sched.h:1867:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1867:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/sched.h:1867:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file: kernel/sched/topology.c:741:39: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:971:31: sparse: sparse: dereference of noderef expression kernel/sched/build_utility.c: note: in included file (through include/linux/smp.h, include/linux/sched/clock.h): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true kernel/sched/build_utility.c: note: in included file: kernel/sched/topology.c:1643:19: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:1658:48: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:1723:40: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:1934:86: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:1983:9: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2053:82: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2054:78: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2054:78: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2065:53: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2066:80: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2066:80: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2483:51: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2484:49: sparse: sparse: dereference of noderef expression kernel/sched/topology.c:2486:52: sparse: sparse: dereference of noderef expression kernel/sched/build_utility.c: note: in included file: kernel/sched/sched.h:1867:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/sched.h:1867:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/sched.h:1867:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file: kernel/sched/core_sched.c:94:23: sparse: sparse: context imbalance in 'sched_core_update_cookie' - wrong count at exit vim +1998 kernel/sched/topology.c 0083242c93759d Valentin Schneider 2021-08-18 1987 0083242c93759d Valentin Schneider 2021-08-18 1988 0fb3978b0aac3a Huang Ying 2022-02-14 1989 static void sched_reset_numa(void) 0fb3978b0aac3a Huang Ying 2022-02-14 1990 { 0fb3978b0aac3a Huang Ying 2022-02-14 1991 int nr_levels, *distances; 0fb3978b0aac3a Huang Ying 2022-02-14 1992 struct cpumask ***masks; 0083242c93759d Valentin Schneider 2021-08-18 1993 0fb3978b0aac3a Huang Ying 2022-02-14 1994 nr_levels = sched_domains_numa_levels; 0fb3978b0aac3a Huang Ying 2022-02-14 1995 sched_domains_numa_levels = 0; 0fb3978b0aac3a Huang Ying 2022-02-14 1996 sched_max_numa_distance = 0; 0fb3978b0aac3a Huang Ying 2022-02-14 1997 sched_numa_topology_type = NUMA_DIRECT; 0fb3978b0aac3a Huang Ying 2022-02-14 @1998 distances = sched_domains_numa_distance; 0fb3978b0aac3a Huang Ying 2022-02-14 1999 rcu_assign_pointer(sched_domains_numa_distance, NULL); 0fb3978b0aac3a Huang Ying 2022-02-14 @2000 masks = sched_domains_numa_masks; 0fb3978b0aac3a Huang Ying 2022-02-14 2001 rcu_assign_pointer(sched_domains_numa_masks, NULL); 0fb3978b0aac3a Huang Ying 2022-02-14 2002 if (distances || masks) { 0fb3978b0aac3a Huang Ying 2022-02-14 2003 int i, j; 0083242c93759d Valentin Schneider 2021-08-18 2004 0fb3978b0aac3a Huang Ying 2022-02-14 2005 synchronize_rcu(); 0fb3978b0aac3a Huang Ying 2022-02-14 2006 kfree(distances); 0fb3978b0aac3a Huang Ying 2022-02-14 2007 for (i = 0; i < nr_levels && masks; i++) { 0fb3978b0aac3a Huang Ying 2022-02-14 2008 if (!masks[i]) 0083242c93759d Valentin Schneider 2021-08-18 2009 continue; 0fb3978b0aac3a Huang Ying 2022-02-14 2010 for_each_node(j) 0fb3978b0aac3a Huang Ying 2022-02-14 2011 kfree(masks[i][j]); 0fb3978b0aac3a Huang Ying 2022-02-14 2012 kfree(masks[i]); 0fb3978b0aac3a Huang Ying 2022-02-14 2013 } 0fb3978b0aac3a Huang Ying 2022-02-14 2014 kfree(masks); 0fb3978b0aac3a Huang Ying 2022-02-14 2015 } 0fb3978b0aac3a Huang Ying 2022-02-14 2016 if (sched_domain_topology_saved) { 0fb3978b0aac3a Huang Ying 2022-02-14 2017 kfree(sched_domain_topology); 0fb3978b0aac3a Huang Ying 2022-02-14 2018 sched_domain_topology = sched_domain_topology_saved; 0fb3978b0aac3a Huang Ying 2022-02-14 2019 sched_domain_topology_saved = NULL; 0083242c93759d Valentin Schneider 2021-08-18 2020 } 0083242c93759d Valentin Schneider 2021-08-18 2021 } 0083242c93759d Valentin Schneider 2021-08-18 2022 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki