From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CB0AC4167B for ; Mon, 27 Nov 2023 03:13:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231936AbjK0DN2 (ORCPT ); Sun, 26 Nov 2023 22:13:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231599AbjK0DN0 (ORCPT ); Sun, 26 Nov 2023 22:13:26 -0500 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4A73134 for ; Sun, 26 Nov 2023 19:13:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701054812; x=1732590812; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=FSddWG7ipoD6ZnLhFi4L7CqLWKepVOAVVFtBLcCGzLI=; b=NDxQMx1jtPK1ydxHICsi0shMasd9i+7t1Qiw0UCPfIvg0w8AAmMllKcf WVA4Zogpsmocs+koJ/Sty7ST7NmaVKkvaMoD50/3t39BICOsyGAyA3QmE 6gUWMKQnmAyQclTOFN5PAuK5onY+UaLbC/LpzRZ1Hbc36oCZwkvfGlOaW UGvXCEthALVHhRkG6Pe6t26K+fN28akP8taTYGtpRlmEZBYJmgxPCWuw6 b8zTu1vifJTo3DRVjfNOgSpQNTOZns9e+yVfSAhxRSUm80e2RroIyleCD O8ugBzLCVzgYYORlFOWwkWrCYxJQ5Y/r3KHpSVfhOhbGS/Nor/LIMEJrj Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10906"; a="391501044" X-IronPort-AV: E=Sophos;i="6.04,229,1695711600"; d="scan'208";a="391501044" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Nov 2023 19:13:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10906"; a="858900703" X-IronPort-AV: E=Sophos;i="6.04,229,1695711600"; d="scan'208";a="858900703" Received: from lkp-server01.sh.intel.com (HELO d584ee6ebdcc) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 26 Nov 2023 19:13:21 -0800 Received: from kbuild by d584ee6ebdcc with local (Exim 4.96) (envelope-from ) id 1r7S3j-0005ml-1p; Mon, 27 Nov 2023 03:13:19 +0000 Date: Mon, 27 Nov 2023 11:12:44 +0800 From: kernel test robot To: Jisheng Zhang , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required Message-ID: <202311270934.fETTDQTa-lkp@intel.com> References: <20231126162528.2411-1-jszhang@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231126162528.2411-1-jszhang@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jisheng, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.7-rc2 next-20231124] [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/Jisheng-Zhang/riscv-mm-still-create-swiotlb-buffer-for-kmalloc-bouncing-if-required/20231127-014531 base: linus/master patch link: https://lore.kernel.org/r/20231126162528.2411-1-jszhang%40kernel.org patch subject: [PATCH] riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20231127/202311270934.fETTDQTa-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231127/202311270934.fETTDQTa-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/202311270934.fETTDQTa-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/riscv/mm/init.c:171:6: error: use of undeclared identifier 'dma_cache_alignment'; did you mean 'dma_get_cache_alignment'? 171 | dma_cache_alignment != 1) { | ^~~~~~~~~~~~~~~~~~~ | dma_get_cache_alignment include/linux/dma-mapping.h:541:19: note: 'dma_get_cache_alignment' declared here 541 | static inline int dma_get_cache_alignment(void) | ^ 1 error generated. vim +171 arch/riscv/mm/init.c 169 170 if (IS_ENABLED(CONFIG_DMA_BOUNCE_UNALIGNED_KMALLOC) && !swiotlb && > 171 dma_cache_alignment != 1) { 172 /* 173 * If no bouncing needed for ZONE_DMA, allocate 1MB swiotlb 174 * buffer per 1GB of RAM for kmalloc() bouncing on 175 * non-coherent platforms. 176 */ 177 unsigned long size = 178 DIV_ROUND_UP(memblock_phys_mem_size(), 1024); 179 swiotlb_adjust_size(min(swiotlb_size_or_default(), size)); 180 swiotlb = true; 181 } 182 183 swiotlb_init(swiotlb, SWIOTLB_VERBOSE); 184 memblock_free_all(); 185 186 print_vm_layout(); 187 } 188 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki