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 X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53DE2C33CA4 for ; Fri, 10 Jan 2020 18:11:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 29E062187F for ; Fri, 10 Jan 2020 18:11:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728813AbgAJSLi (ORCPT ); Fri, 10 Jan 2020 13:11:38 -0500 Received: from mga09.intel.com ([134.134.136.24]:13850 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727742AbgAJSLh (ORCPT ); Fri, 10 Jan 2020 13:11:37 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jan 2020 10:11:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,417,1571727600"; d="scan'208";a="231653977" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 10 Jan 2020 10:11:35 -0800 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1ipykw-0008vF-K4; Sat, 11 Jan 2020 02:11:34 +0800 Date: Sat, 11 Jan 2020 02:10:50 +0800 From: kbuild test robot To: weiqi Cc: kbuild-all@lists.01.org, alexander.h.duyck@linux.intel.com, alex.williamson@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, x86@kernel.org, wei qi Subject: Re: [PATCH 1/2] vfio: add mmap/munmap API for page hinting Message-ID: <202001110208.6GCxeDRv%lkp@intel.com> References: <1578408399-20092-2-git-send-email-weiqi4@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1578408399-20092-2-git-send-email-weiqi4@huawei.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi weiqi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on kvm/linux-next] [also build test WARNING on vfio/next vhost/linux-next v5.5-rc5 next-20200109] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/weiqi/page-hinting-add-passthrough-support/20200108-152941 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next reproduce: # apt-get install sparse # sparse version: v0.6.1-129-g341daf20-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/vfio/vfio_iommu_type1.c:1275:5: sparse: sparse: symbol 'vfio_iommu_iova_to_phys' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation