linux-kernel - Re: [PATCH v12 01/13] vfio: VFIO_IOMMU_SET_PASID

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Message-ID: <202102241103.fcN0Anmu-lkp@intel.com>
Date:   Wed, 24 Feb 2021 11:29:26 +0800
From:   kernel test robot <lkp@...el.com>
To:     Eric Auger <eric.auger@...hat.com>, eric.auger.pro@...il.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, kvmarm@...ts.cs.columbia.edu, will@...nel.org,
        maz@...nel.org, robin.murphy@....com, joro@...tes.org
Cc:     kbuild-all@...ts.01.org
Subject: Re: [PATCH v12 01/13] vfio: VFIO_IOMMU_SET_PASID_TABLE

Hi Eric,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v5.11]
[also build test ERROR on next-20210223]
[cannot apply to vfio/next]
[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/Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210224-051641
base:    f40ddce88593482919761f74910f42f4b84c004b
config: i386-randconfig-s001-20210223 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-229-g60c1f270-dirty
        # https://github.com/0day-ci/linux/commit/3bb0b5b270edf8c80af65a89749296990f9b9213
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-Auger/SMMUv3-Nested-Stage-Setup-VFIO-part/20210224-051641
        git checkout 3bb0b5b270edf8c80af65a89749296990f9b9213
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/vfio.h:16,
                    from drivers/gpu/drm/i915/gvt/dmabuf.h:33,
                    from <command-line>:
>> include/uapi/linux/vfio.h:1198:34: error: field 'config' has incomplete type
    1198 |  struct iommu_pasid_table_config config; /* used on SET */
         |                                  ^~~~~~


vim +/config +1198 include/uapi/linux/vfio.h

  1184	
  1185	/*
  1186	 * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18,
  1187	 *			struct vfio_iommu_type1_set_pasid_table)
  1188	 *
  1189	 * The SET operation passes a PASID table to the host while the
  1190	 * UNSET operation detaches the one currently programmed. Setting
  1191	 * a table while another is already programmed replaces the old table.
  1192	 */
  1193	struct vfio_iommu_type1_set_pasid_table {
  1194		__u32	argsz;
  1195		__u32	flags;
  1196	#define VFIO_PASID_TABLE_FLAG_SET	(1 << 0)
  1197	#define VFIO_PASID_TABLE_FLAG_UNSET	(1 << 1)
> 1198		struct iommu_pasid_table_config config; /* used on SET */
  1199	};
  1200	

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

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