From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 7037335CB77 for ; Thu, 22 Jan 2026 01:45:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769046333; cv=none; b=PwfHQH9zjOUB29iTlmnFQTyerQE8Qs3JhdKeaamWxCtUidNfvjpueQ01nuOInaJiQdoD8lnokaj0vUztNih15jDg6uaYjn3x52TGpI4iJq0EXJW45Es7k+lGOn67TOLYGTfBwSF0J430EzA7I1hrNdgZ8h10391roKIHaffF7Y0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769046333; c=relaxed/simple; bh=MarIfSOD6YNmERZZkeLAaUzHAHkjkbeLViVecmLVxJQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ld/XqPBNw9g7WBb4N9yjnNSKGogeUeJ48eQh6rZswYstss6xFlf1UX1P9H5vPwFKhYUhZ6pOF8mWMyy3b1cnHeKGt17zbkVzAFvxYGcu/TeGX60dSFhfpTMAkwL4DObAhPScKUq2gQaJeftJQkJNq75hEZVzguINAyIi9fTqtoo= 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=VHLro23q; arc=none smtp.client-ip=192.198.163.8 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="VHLro23q" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769046330; x=1800582330; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=MarIfSOD6YNmERZZkeLAaUzHAHkjkbeLViVecmLVxJQ=; b=VHLro23qGUimXd5TGH8kafa5JptalaG56LHqlZYYosRBFL4i4L+qGzgK xqSnVK0wnFOZK4vEN8rerPoghwRrtxq9FeYh2ecHU2D6/KdofB/jjB3fE WjyK5p0KaVNazZ+v/uHJgkUxZ7IN5xIe0wR+T/x2IZrkBSjRQjzcBv2dv VY4UnNpTANjli2oDt6yB8qZe8FkMfXCNXVBKmuCejcFGw/PTneAY2wBon oAwidLUV66cjW0vtqdmzUi4rweg8WcN3CurvtA73jfsE1ojWv/wwHce+W 80KD+zoCbFMW7+bv20CSIq11q4FbSrNNW/bOYOffTUaCbHKQlp0KxHcHC A==; X-CSE-ConnectionGUID: 0QqLaEa2SoSp3xUam6FUSg== X-CSE-MsgGUID: JCAvHAcaRU6FIjTWhO+2/g== X-IronPort-AV: E=McAfee;i="6800,10657,11678"; a="87860983" X-IronPort-AV: E=Sophos;i="6.21,244,1763452800"; d="scan'208";a="87860983" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2026 17:45:30 -0800 X-CSE-ConnectionGUID: T/8U7MkXSZKG7nxnwrlUjg== X-CSE-MsgGUID: Qfpkgs07SXeGIMYty5lt/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,244,1763452800"; d="scan'208";a="206927059" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 21 Jan 2026 17:45:26 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vijlD-00000000SHN-3Yb2; Thu, 22 Jan 2026 01:45:23 +0000 Date: Thu, 22 Jan 2026 09:44:37 +0800 From: kernel test robot To: "Liam R. Howlett" , Andrew Morton Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , maple-tree@lists.infradead.org, linux-kernel@vger.kernel.org, Suren Baghdasaryan , Matthew Wilcox , Sidhartha Kumar , Vlastimil Babka , Alice Ryhl , Kuninori Morimoto , Geert Uytterhoeven , Arnd Bergmann , Christian Kujau , "Liam R. Howlett" Subject: Re: [PATCH v2 17/29] maple_tree: Start using maple copy node for destination Message-ID: <202601220811.ac3t5OuP-lkp@intel.com> References: <20260121164526.2093265-18-Liam.Howlett@oracle.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: <20260121164526.2093265-18-Liam.Howlett@oracle.com> Hi Liam, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on next-20260121] [cannot apply to akpm-mm/mm-nonmm-unstable soc/for-next linus/master v6.19-rc6] [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/Liam-R-Howlett/maple_tree-Fix-mas_dup_alloc-sparse-warning/20260122-023746 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260121164526.2093265-18-Liam.Howlett%40oracle.com patch subject: [PATCH v2 17/29] maple_tree: Start using maple copy node for destination config: sparc-randconfig-002-20260122 (https://download.01.org/0day-ci/archive/20260122/202601220811.ac3t5OuP-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601220811.ac3t5OuP-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/202601220811.ac3t5OuP-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from ./arch/sparc/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:380, from include/linux/array_size.h:5, from include/linux/kernel.h:16, from include/linux/maple_tree.h:11, from lib/maple_tree.c:56: lib/maple_tree.c: In function 'cp_dst_to_slots': >> include/linux/rcupdate.h:555:36: error: dereferencing pointer to incomplete type 'struct maple_enode' #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) ^~~~ include/asm-generic/rwonce.h:55:33: note: in definition of macro '__WRITE_ONCE' *(volatile typeof(x) *)&(x) = (val); \ ^~~ include/linux/rcupdate.h:1046:3: note: in expansion of macro 'WRITE_ONCE' WRITE_ONCE(p, RCU_INITIALIZER(v)); \ ^~~~~~~~~~ include/linux/rcupdate.h:1046:17: note: in expansion of macro 'RCU_INITIALIZER' WRITE_ONCE(p, RCU_INITIALIZER(v)); \ ^~~~~~~~~~~~~~~ lib/maple_tree.c:3155:3: note: in expansion of macro 'RCU_INIT_POINTER' RCU_INIT_POINTER(cp->slot[d], mt_mk_node(mn, mt)); ^~~~~~~~~~~~~~~~ vim +555 include/linux/rcupdate.h ca5ecddfa8fcbd Paul E. McKenney 2010-04-28 550 462225ae47d717 Paul E. McKenney 2013-11-11 551 /** 462225ae47d717 Paul E. McKenney 2013-11-11 552 * RCU_INITIALIZER() - statically initialize an RCU-protected global variable 462225ae47d717 Paul E. McKenney 2013-11-11 553 * @v: The value to statically initialize with. 462225ae47d717 Paul E. McKenney 2013-11-11 554 */ 462225ae47d717 Paul E. McKenney 2013-11-11 @555 #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) 462225ae47d717 Paul E. McKenney 2013-11-11 556 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki