From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 4CFA7282F32 for ; Thu, 14 May 2026 13:13:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778764432; cv=none; b=F5RtdkGNtkdg/DuOfqMhVAoApGhY4LDtnKlL2r55yL0qxQtBeyp/ptG6pqcuMmzKDHIYsxcn/X5x3IPDk2T+knR2PVtPTLx1MvNgOvln/gD43v1Xs/lh6O4XLXLoHpDB029x223Q/EuJfX7mIb6r3Zt8xvf3rpuTrZSd+VuWl2E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778764432; c=relaxed/simple; bh=8e/QWHgXbzt2rpxv+cErxzFQDOQZvF7S+gXWCgHv7D0=; h=Date:From:To:Cc:Subject:Message-ID; b=KRhQgd0JFMuznNKdcsUDdvEB0nzHbcMaNf1TD7iOe/XGcpY20NQVIw+K9F2N2Rc8gWtNha1dT1rlwigEMWsjx8ZKPvCHVh86yDPHFZAOFkpvHDZvo7ouyJnQiFNtm90ntXk4Yq9T2mLrU7QNns8/O/UN4/RC51pLhr5aemfbH/w= 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=dC+l1m7/; arc=none smtp.client-ip=192.198.163.7 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="dC+l1m7/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778764429; x=1810300429; h=date:from:to:cc:subject:message-id; bh=8e/QWHgXbzt2rpxv+cErxzFQDOQZvF7S+gXWCgHv7D0=; b=dC+l1m7/F0sQQwkpX7rOIXu/cIwUUYBajvP7Pbf3S2rcN8fv0rc8X4x7 HhCDar1TgUp9lKeioKxiH5RDiN+HzSHOC1FkRNSlx1/BW0U/DdA/S9+79 yFFIF9FThShi6KZ8gSPiS5ZQpsjiXkwc5wxUXrq2nKM1sVzJcrpDFBITK EX2T1PgU3r8h1TJazquileCgvNx1fgkdS9SkdgI4cHxgXAzurXpet1qZ1 wJ3w1J7te/DtNJNHdb00pAT4hGUMnGYvmXu3xVzLtaDmAZYxdjs//h95T twjWuPnBks28vK0bgfSV9ci0b+GgfrUyWbEFlpFCj50FmhzqjLYI8ASGY w==; X-CSE-ConnectionGUID: buZmIigCR32gzawmqICXJg== X-CSE-MsgGUID: iz25Yg9LRgG4Adjk0uDFnA== X-IronPort-AV: E=McAfee;i="6800,10657,11785"; a="105164609" X-IronPort-AV: E=Sophos;i="6.23,234,1770624000"; d="scan'208";a="105164609" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2026 06:13:49 -0700 X-CSE-ConnectionGUID: 7YlaaMHbQLOKhGV67wS1uw== X-CSE-MsgGUID: Ia/u8RxsQmuoOb/5LeTr4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,234,1770624000"; d="scan'208";a="237516882" Received: from lkp-server01.sh.intel.com (HELO dca79079c3eb) ([10.239.97.150]) by orviesa010.jf.intel.com with ESMTP; 14 May 2026 06:13:47 -0700 Received: from kbuild by dca79079c3eb with local (Exim 4.98.2) (envelope-from ) id 1wNVsl-000000006aR-2QyV; Thu, 14 May 2026 13:13:43 +0000 Date: Thu, 14 May 2026 21:13:09 +0800 From: kernel test robot To: K Prateek Nayak Cc: oe-kbuild-all@lists.linux.dev, Peter Zijlstra , Andrea Righi Subject: [peterz-queue:sched/core 6/9] kernel/sched/topology.c:2705:25: sparse: sparse: incorrect type in assignment (different address spaces) Message-ID: <202605142117.gyxGm7SY-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core head: 238b6f2b3a4948ca7048025a15874b2c253a34bf commit: c3d608e99c540bb4a68f31a1e0dffa7af2827216 [6/9] sched/fair: Attach sched_domain_shared to sd_asym_cpucapacity config: nios2-randconfig-r123-20260514 (https://download.01.org/0day-ci/archive/20260514/202605142117.gyxGm7SY-lkp@intel.com/config) compiler: nios2-linux-gcc (GCC) 8.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260514/202605142117.gyxGm7SY-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/202605142117.gyxGm7SY-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/sched/build_utility.c: note: in included file: kernel/sched/debug.c:730:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/debug.c:730:17: sparse: expected struct sched_domain *[assigned] sd kernel/sched/debug.c:730:17: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/debug.c:1071:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/debug.c:1071:9: sparse: expected struct task_struct *tsk kernel/sched/debug.c:1071:9: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/debug.c:1071:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct task_struct *tsk @@ got struct task_struct [noderef] __rcu *curr @@ kernel/sched/debug.c:1071:9: sparse: expected struct task_struct *tsk kernel/sched/debug.c:1071:9: sparse: got struct task_struct [noderef] __rcu *curr kernel/sched/build_utility.c: note: in included file: kernel/sched/topology.c:116:56: 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:116:56: sparse: expected struct sched_domain *sd kernel/sched/topology.c:116:56: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:135:60: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct sched_domain *sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:135:60: sparse: expected struct sched_domain *sd kernel/sched/topology.c:135:60: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:158:20: 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:158:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:158:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:468:19: 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:468:19: sparse: expected struct perf_domain *pd kernel/sched/topology.c:468:19: sparse: got struct perf_domain [noderef] __rcu *pd kernel/sched/topology.c:643:49: 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:643:49: sparse: expected struct sched_domain *parent kernel/sched/topology.c:643:49: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:746:50: 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:746:50: sparse: expected struct sched_domain *parent kernel/sched/topology.c:746:50: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:761:55: 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:761:55: sparse: expected struct sched_domain [noderef] __rcu *[noderef] __rcu child kernel/sched/topology.c:761:55: sparse: got struct sched_domain *[assigned] tmp kernel/sched/topology.c:774:29: 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:774:29: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:774:29: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:779:20: 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:779:20: sparse: expected struct sched_domain *sd kernel/sched/topology.c:779:20: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:800:13: 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:800:13: sparse: expected struct sched_domain *[assigned] tmp kernel/sched/topology.c:800:13: sparse: got struct sched_domain [noderef] __rcu *sd kernel/sched/topology.c:964:70: 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:964:70: sparse: expected struct sched_domain *sd kernel/sched/topology.c:964:70: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:993:59: 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:993:59: sparse: expected struct sched_domain *sd kernel/sched/topology.c:993:59: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1039:57: 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:1039:57: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1039:57: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1041:25: 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:1041:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1041:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1049:55: 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:1049:55: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1049:55: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1051:25: 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:1051:25: sparse: expected struct sched_domain *sibling kernel/sched/topology.c:1051:25: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1121:62: 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:1121:62: sparse: expected struct sched_domain *sd kernel/sched/topology.c:1121:62: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1225:40: 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:1225:40: sparse: expected struct sched_domain *child kernel/sched/topology.c:1225:40: sparse: got struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1361:9: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:1361:9: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:1361:9: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:1618:52: 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:1618:52: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:1618:52: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:1728:43: 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:1728:43: sparse: expected struct sched_domain [noderef] __rcu *child kernel/sched/topology.c:1728:43: sparse: got struct sched_domain *child kernel/sched/topology.c:2522:31: 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:2522:31: sparse: expected struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2522:31: sparse: got struct sched_domain *sd kernel/sched/topology.c:2650:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *[noderef] __rcu parent @@ kernel/sched/topology.c:2650:16: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2650:16: sparse: got struct sched_domain [noderef] __rcu *[noderef] __rcu parent kernel/sched/topology.c:2652:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2652:24: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2652:24: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2657:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2657:16: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2657:16: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2662:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *parent @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2662:24: sparse: expected struct sched_domain *parent kernel/sched/topology.c:2662:24: sparse: got struct sched_domain [noderef] __rcu *parent >> kernel/sched/topology.c:2705:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct sched_domain *[assigned] sd_asym @@ got struct sched_domain [noderef] __rcu *parent @@ kernel/sched/topology.c:2705:25: sparse: expected struct sched_domain *[assigned] sd_asym kernel/sched/topology.c:2705:25: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2759:57: 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:2759:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2759:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2783:28: 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:2783:28: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2783:28: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/topology.c:2809:57: 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:2809:57: sparse: expected struct sched_domain *[assigned] sd kernel/sched/topology.c:2809:57: sparse: got struct sched_domain [noderef] __rcu *parent kernel/sched/build_utility.c: note: in included file: kernel/sched/sched.h:2379:25: sparse: sparse: incompatible types in comparison expression (different address spaces): kernel/sched/sched.h:2379:25: sparse: struct task_struct [noderef] __rcu * kernel/sched/sched.h:2379:25: sparse: struct task_struct * vim +2705 kernel/sched/topology.c 2679 2680 /* 2681 * For asymmetric CPU capacity, attach sched_domain_shared on the innermost 2682 * SD_ASYM_CPUCAPACITY_FULL ancestor of @cpu's base domain when that ancestor is 2683 * not an overlapping NUMA-built domain (then LLC should claim shared). 2684 * 2685 * A CPU may lack any FULL ancestor (e.g., exclusive cpuset symmetric island), 2686 * then LLC must claim shared instead. 2687 * 2688 * Note: SD_ASYM_CPUCAPACITY_FULL is only set when all CPU capacity values 2689 * are present in the domain span, so the asym domain we attach to cannot 2690 * degenerate into a single-capacity group. The relevant edge cases are instead 2691 * covered by the caveats above. 2692 * 2693 * Return true if this CPU's asym path claimed sd->shared, false otherwise. 2694 */ 2695 static bool claim_asym_sched_domain_shared(struct s_data *d, int cpu) 2696 { 2697 struct sched_domain *sd = *per_cpu_ptr(d->sd, cpu); 2698 struct sched_domain *sd_asym; 2699 2700 if (!sd) 2701 return false; 2702 2703 sd_asym = sd; 2704 while (sd_asym && !(sd_asym->flags & SD_ASYM_CPUCAPACITY_FULL)) > 2705 sd_asym = sd_asym->parent; 2706 2707 if (!sd_asym || (sd_asym->flags & SD_NUMA)) 2708 return false; 2709 2710 init_sched_domain_shared(d, sd_asym); 2711 return true; 2712 } 2713 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki