linux-kernel - Re: [Intel-gfx] [PATCH 1/3] i915/gvt: Introduce the mmio

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Message-ID: <202201281209.mnHCKgPp-lkp@intel.com>
Date:   Fri, 28 Jan 2022 13:11:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     Zhi Wang <zhi.wang.linux@...il.com>, hch@....de, jgg@...dia.com,
        jani.nikula@...ux.intel.com
Cc:     kbuild-all@...ts.01.org, Zhi Wang <zhi.wang.linux@...il.com>,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Terrence Xu <terrence.xu@...el.com>,
        intel-gvt-dev@...ts.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 1/3] i915/gvt: Introduce the mmio_table.c to
 support VFIO new mdev API

Hi Zhi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on next-20220127]
[cannot apply to drm-intel/for-linux-next hch-configfs/for-next v5.17-rc1]
[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/Zhi-Wang/i915-gvt-Introduce-the-mmio_table-c-to-support-VFIO-new-mdev-API/20220127-200727
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-rhel-8.3-kselftests (https://download.01.org/0day-ci/archive/20220128/202201281209.mnHCKgPp-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/533f92651a7a56481a053f1e04dc5a5ec024ffb9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zhi-Wang/i915-gvt-Introduce-the-mmio_table-c-to-support-VFIO-new-mdev-API/20220127-200727
        git checkout 533f92651a7a56481a053f1e04dc5a5ec024ffb9
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/i915/gvt/handlers.c:45:6: sparse: sparse: symbol 'intel_gvt_match_device' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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