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 04D97C433F5 for ; Mon, 11 Apr 2022 20:24:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349854AbiDKU1M (ORCPT ); Mon, 11 Apr 2022 16:27:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231363AbiDKU1I (ORCPT ); Mon, 11 Apr 2022 16:27:08 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C13633584C for ; Mon, 11 Apr 2022 13:24:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649708692; x=1681244692; h=date:from:to:cc:subject:message-id:mime-version; bh=V7Uy1mATUqvrpHiI+mrEfE74gw8XVuz63+OC085XC9s=; b=Vs9m7JLRhOTwcLE+OuTNLnPiHn0zWyVL609S4fc6qDAvKXmgWc/AOk0W ZBlpqpMd79aYWfj5yDZeu1ERPud1mR16Fqw+1IxxmVX7fM92NbqLw1dJk VuX6uuQE78YtJVgIgE0ZbCY868nhsveD2mA2f9x4xjietSmcPchuEnr6a aXhnHQObym0S0iyi6n+9X4us6OdxAQMVDva9o4jqOYLr5aMMFyaiYdZbs auSKkM0qw22TsgIJ9F+qtEmywL2yXGDKMlPgFCs24nx+kDX1qlj7yDrI5 I2mEIJKCh/fK9fhFVlxr6aMM0W38qepVyHr4ptHHKG97AuSMnN6TvZvxr g==; X-IronPort-AV: E=McAfee;i="6400,9594,10314"; a="261953743" X-IronPort-AV: E=Sophos;i="5.90,252,1643702400"; d="scan'208";a="261953743" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2022 13:24:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,252,1643702400"; d="scan'208";a="526137688" Received: from lkp-server02.sh.intel.com (HELO d3fc50ef50de) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 11 Apr 2022 13:24:51 -0700 Received: from kbuild by d3fc50ef50de with local (Exim 4.95) (envelope-from ) id 1ne0ag-0002Ak-HP; Mon, 11 Apr 2022 20:24:50 +0000 Date: Tue, 12 Apr 2022 04:24:13 +0800 From: kernel test robot To: Zhu Lingshan Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [ls-zhu:get_dev_config_submit 5/5] drivers/vdpa/vdpa.c:823:20: sparse: sparse: incorrect type in assignment (different base types) Message-ID: <202204120428.0TpzQuA8-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/ls-zhu/linux get_dev_config_submit head: c4a67f3ac1a9cc5a7bdc0121a9076c67a4f20af9 commit: c4a67f3ac1a9cc5a7bdc0121a9076c67a4f20af9 [5/5] vDPA: answer num of queue pairs = 1 to userspace when VIRTIO_NET_F_MQ == 0 config: m68k-randconfig-s031-20220411 (https://download.01.org/0day-ci/archive/20220412/202204120428.0TpzQuA8-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/ls-zhu/linux/commit/c4a67f3ac1a9cc5a7bdc0121a9076c67a4f20af9 git remote add ls-zhu https://github.com/ls-zhu/linux git fetch --no-tags ls-zhu get_dev_config_submit git checkout c4a67f3ac1a9cc5a7bdc0121a9076c67a4f20af9 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash drivers/vdpa/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/vdpa/vdpa.c:823:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [assigned] [usertype] mq @@ got restricted __virtio16 const [usertype] max_virtqueue_pairs @@ drivers/vdpa/vdpa.c:823:20: sparse: expected unsigned short [assigned] [usertype] mq drivers/vdpa/vdpa.c:823:20: sparse: got restricted __virtio16 const [usertype] max_virtqueue_pairs drivers/vdpa/vdpa.c:825:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:825:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:825:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:825:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:842:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast from restricted __virtio16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast to restricted __le16 drivers/vdpa/vdpa.c:846:19: sparse: sparse: cast from restricted __virtio16 vim +823 drivers/vdpa/vdpa.c 813 814 static int vdpa_dev_net_mq_config_fill(struct vdpa_device *vdev, 815 struct sk_buff *msg, u64 features, 816 const struct virtio_net_config *config) 817 { 818 u16 val_u16, mq; 819 820 if ((features & BIT_ULL(VIRTIO_NET_F_MQ)) == 0) { 821 mq = 1; 822 } else > 823 mq = config->max_virtqueue_pairs; 824 825 val_u16 = le16_to_cpu(mq); 826 827 return nla_put_u16(msg, VDPA_ATTR_DEV_NET_CFG_MAX_VQP, val_u16); 828 } 829 -- 0-DAY CI Kernel Test Service https://01.org/lkp