From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 64F0E283FD4 for ; Fri, 16 Jan 2026 07:45:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768549553; cv=none; b=H7Pur7cjVTNdngrfiS27tOQyj47jCQR3gVCIYdY+ENUHxpm0V07VFnl8smhdUZMbAV3i1QUSj4eOxSj4y1+zghpS8zmRKDEx5zrKlC2ZRZFJV37ulPd5EvQQbIzyxmHczIGMb1BLSp5JJD71rusLrbDTDzW8RXpD4z07FKv3Qfc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768549553; c=relaxed/simple; bh=G0V6S9md6+nld2O30zY+hMSqsUc4Po2MsCahVSA79HY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Grqh6CDP+2W8xbzG6KQvHsy6tnbRXHZbSJYdLN8hDPVp3nuDLDeEil8MZ2jRWGb3B23psbzAiqAX4WlB35NaykSHRHg/OHs1eaIj41+uoJt9Iims5zfassQvPLnYDSzh5c/WxTlkyILer57/Brn6BR5eQEg0Ua/OIuSfhIhOx1Y= 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=D3TduJMa; arc=none smtp.client-ip=192.198.163.18 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="D3TduJMa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768549550; x=1800085550; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=G0V6S9md6+nld2O30zY+hMSqsUc4Po2MsCahVSA79HY=; b=D3TduJMapoUDyG7uF3dwd4DfXb4VBPGEmokPEmUSFCCXcQxeHC8NrMrc 57pr5QdsxZCG1VJapDBDj1HUiPmxbUf3tjIjxmcMWVvFEyqKDE5li/PX1 Yi6+fkSeTYW1HziDDxGS+5hokWm4qYhti3xqbFFHfJnie0mbZqiJloTOy VCfe5v4mQ8SOvR1846Hunm5AqyweX4z0SvOL6849AENqZtucXV67PgmHX iOyfLGjEwY52HmiPP5wuijkyQYlvJkPBfcp+mHxu+KkxydREMEG/fww89 heE5EzSw3gq9GeLthJENHAqYTNvIsCu56BTObtdMV27i4PuMqynMC7Tjs Q==; X-CSE-ConnectionGUID: csbaPW/HS1+rPu7BvdKR3w== X-CSE-MsgGUID: RF3ziPgMS9ubfXDjm9x7jg== X-IronPort-AV: E=McAfee;i="6800,10657,11672"; a="69065592" X-IronPort-AV: E=Sophos;i="6.21,230,1763452800"; d="scan'208";a="69065592" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2026 23:45:50 -0800 X-CSE-ConnectionGUID: ONnquVpZT+qEY5I8SvDUjg== X-CSE-MsgGUID: tDcssknwRjy3qULDu7oUIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,230,1763452800"; d="scan'208";a="242723017" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 15 Jan 2026 23:45:46 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vgeWd-00000000KXw-0hBC; Fri, 16 Jan 2026 07:45:43 +0000 Date: Fri, 16 Jan 2026 15:45:19 +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 10/28] maple_tree: Introduce maple_copy node and use it in mas_spanning_rebalance() Message-ID: <202601161501.NZ3GNDCG-lkp@intel.com> References: <20260115193647.1695937-11-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: <20260115193647.1695937-11-Liam.Howlett@oracle.com> Hi Liam, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on next-20260115] [cannot apply to akpm-mm/mm-nonmm-unstable soc/for-next linus/master v6.19-rc5] [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-Move-mas_spanning_rebalance-loop-to-function/20260116-034135 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260115193647.1695937-11-Liam.Howlett%40oracle.com patch subject: [PATCH 10/28] maple_tree: Introduce maple_copy node and use it in mas_spanning_rebalance() config: x86_64-randconfig-121-20260116 (https://download.01.org/0day-ci/archive/20260116/202601161501.NZ3GNDCG-lkp@intel.com/config) compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260116/202601161501.NZ3GNDCG-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/202601161501.NZ3GNDCG-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> lib/maple_tree.c:2621:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got void *content @@ lib/maple_tree.c:2621:29: sparse: expected void [noderef] __rcu * lib/maple_tree.c:2621:29: sparse: got void *content >> lib/maple_tree.c:2624:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got void *entry @@ lib/maple_tree.c:2624:23: sparse: expected void [noderef] __rcu * lib/maple_tree.c:2624:23: sparse: got void *entry lib/maple_tree.c:2680:17: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu **b_slots @@ got void [noderef] __rcu * @@ lib/maple_tree.c:2680:17: sparse: expected void [noderef] __rcu **b_slots lib/maple_tree.c:2680:17: sparse: got void [noderef] __rcu * lib/maple_tree.c:6412:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got struct maple_node * @@ lib/maple_tree.c:6412:30: sparse: expected void [noderef] __rcu * lib/maple_tree.c:6412:30: sparse: got struct maple_node * lib/maple_tree.c:6412:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got struct maple_node * @@ lib/maple_tree.c:6412:30: sparse: expected void [noderef] __rcu * lib/maple_tree.c:6412:30: sparse: got struct maple_node * vim +2621 lib/maple_tree.c 2603 2604 /* 2605 * cp_leaf_init() - Initialize a maple_copy node for the leaf level of a 2606 * spanning store 2607 * @cp: The maple copy node 2608 * @mas: The maple state 2609 * @l_wr_mas: The left write state of the spanning store 2610 * @r_wr_mas: The right write state of the spanning store 2611 */ 2612 static inline void cp_leaf_init(struct maple_copy *cp, 2613 struct ma_state *mas, struct ma_wr_state *l_wr_mas, 2614 struct ma_wr_state *r_wr_mas) 2615 { 2616 unsigned char end = 0; 2617 2618 /* Create entries to insert including split entries to left and right */ 2619 if (l_wr_mas->r_min < mas->index) { 2620 end++; > 2621 cp->slot[0] = l_wr_mas->content; 2622 cp->pivot[0] = mas->index - 1; 2623 } > 2624 cp->slot[end] = l_wr_mas->entry; 2625 cp->pivot[end] = mas->last; 2626 2627 if (r_wr_mas->end_piv > mas->last) { 2628 end++; 2629 cp->slot[end] = r_wr_mas->slots[r_wr_mas->offset_end]; 2630 cp->pivot[end] = r_wr_mas->end_piv; 2631 } 2632 2633 cp->min = l_wr_mas->r_min; 2634 cp->max = cp->pivot[end]; 2635 cp->end = end; 2636 } 2637 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki