linux-kernel - Re: [PATCH v7 1/3] i915/gvt: Separate the MMIO tracking table from GVT-g

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Message-ID: <202203260844.V9HDSROY-lkp@intel.com>
Date:   Sat, 26 Mar 2022 08:27:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     Zhi Wang <zhi.wang.linux@...il.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        intel-gfx@...ts.freedesktop.org,
        intel-gvt-dev@...ts.freedesktop.org
Cc:     kbuild-all@...ts.01.org, Zhi Wang <zhi.a.wang@...il.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Vivi Rodrigo <rodrigo.vivi@...el.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v7 1/3] i915/gvt: Separate the MMIO tracking table from
 GVT-g

Hi Zhi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip drm/drm-next next-20220325]
[cannot apply to tegra-drm/drm/tegra/for-next airlied/drm-next v5.17]
[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-Separate-the-MMIO-tracking-table-from-GVT-g/20220326-015627
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220326/202203260844.V9HDSROY-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/8203f91121efdcc910bde0bc4fe5ea678bdaaa5b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zhi-Wang/i915-gvt-Separate-the-MMIO-tracking-table-from-GVT-g/20220326-015627
        git checkout 8203f91121efdcc910bde0bc4fe5ea678bdaaa5b
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gvt/handlers.c:74:6: warning: no previous prototype for 'intel_gvt_match_device' [-Wmissing-prototypes]
      74 | bool intel_gvt_match_device(struct intel_gvt *gvt,
         |      ^~~~~~~~~~~~~~~~~~~~~~


vim +/intel_gvt_match_device +74 drivers/gpu/drm/i915/gvt/handlers.c

12d14cc43b34706 Zhi Wang 2016-08-30  73  
12d14cc43b34706 Zhi Wang 2016-08-30 @74  bool intel_gvt_match_device(struct intel_gvt *gvt,
12d14cc43b34706 Zhi Wang 2016-08-30  75  		unsigned long device)
12d14cc43b34706 Zhi Wang 2016-08-30  76  {
12d14cc43b34706 Zhi Wang 2016-08-30  77  	return intel_gvt_get_device_type(gvt) & device;
12d14cc43b34706 Zhi Wang 2016-08-30  78  }
12d14cc43b34706 Zhi Wang 2016-08-30  79  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp