Re: [PATCH 1/3] vfio/iommu_type1: Add HWDBM status maintanance

From: kernel test robot <lkp@intel.com>
To: Keqian Zhu <zhukeqian1@huawei.com>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	Alex Williamson <alex.williamson@redhat.com>,
	Kirti Wankhede <kwankhede@nvidia.com>,
	Cornelia Huck <cohuck@redhat.com>,
	Yi Sun <yi.y.sun@linux.intel.com>,
	Tian Kevin <kevin.tian@intel.com>
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	Robin Murphy <robin.murphy@arm.com>,
	Will Deacon <will@kernel.org>, Joerg Roedel <joro@8bytes.org>
Subject: Re: [PATCH 1/3] vfio/iommu_type1: Add HWDBM status maintanance
Date: Wed, 14 Apr 2021 11:14:15 +0800	[thread overview]
Message-ID: <202104141107.s05TXD0O-lkp@intel.com> (raw)
In-Reply-To: <20210413091445.7448-2-zhukeqian1@huawei.com>

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Hi Keqian,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on vfio/next]
[also build test ERROR on linux/master linus/master v5.12-rc7 next-20210413]
[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]

url:    https://github.com/0day-ci/linux/commits/Keqian-Zhu/vfio-iommu_type1-Implement-dirty-log-tracking-based-on-IOMMU-HWDBM/20210413-171632
base:   https://github.com/awilliam/linux-vfio.git next
config: x86_64-randconfig-a013-20210413 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9829f5e6b1bca9b61efc629770d28bb9014dec45)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/3005ed21d06a3ed861847529f08c3d8814013399
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Keqian-Zhu/vfio-iommu_type1-Implement-dirty-log-tracking-based-on-IOMMU-HWDBM/20210413-171632
        git checkout 3005ed21d06a3ed861847529f08c3d8814013399
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/vfio/vfio_iommu_type1.c:2270:33: error: use of undeclared identifier 'IOMMU_DEV_FEAT_HWDBM'
           enum iommu_dev_features feat = IOMMU_DEV_FEAT_HWDBM;
                                          ^
   1 error generated.

vim +/IOMMU_DEV_FEAT_HWDBM +2270 drivers/vfio/vfio_iommu_type1.c

  2267	
  2268	static bool vfio_group_supports_hwdbm(struct vfio_group *group)
  2269	{
> 2270		enum iommu_dev_features feat = IOMMU_DEV_FEAT_HWDBM;
  2271	
  2272		return !iommu_group_for_each_dev(group->iommu_group, &feat,
  2273						 vfio_dev_enable_feature);
  2274	}
  2275	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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