linux-kernel - Re: [PATCH v1 4/6] dma-buf: Acquire wait-wound context on attachment

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Date:   Fri, 15 Jul 2022 11:38:52 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Osipenko <dmitry.osipenko@...labora.com>,
        David Airlie <airlied@...ux.ie>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Gurchetan Singh <gurchetansingh@...omium.org>,
        Chia-I Wu <olvaffe@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Daniel Almeida <daniel.almeida@...labora.com>,
        Gert Wollny <gert.wollny@...labora.com>,
        Gustavo Padovan <gustavo.padovan@...labora.com>,
        Daniel Stone <daniel@...ishbar.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Rob Clark <robdclark@...il.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Tomasz Figa <tfiga@...omium.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Alex Deucher <alexander.deucher@....com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Thomas Hellström <thomas_os@...pmail.org>
Cc:     kbuild-all@...ts.01.org, linux-media@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 4/6] dma-buf: Acquire wait-wound context on attachment

Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20220714]
[also build test ERROR on v5.19-rc6]
[cannot apply to drm-misc/drm-misc-next drm-intel/for-linux-next media-tree/master linus/master v5.19-rc6 v5.19-rc5 v5.19-rc4]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Dmitry-Osipenko/Move-all-drivers-to-a-common-dma-buf-locking-convention/20220715-085556
base:    37b355fdaf31ee18bda9a93c2a438dc1cbf57ec9
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20220715/202207151112.Yi2gyyRX-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/ed55f535b8492ef30d7e94aae5811c772403ab4f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dmitry-Osipenko/Move-all-drivers-to-a-common-dma-buf-locking-convention/20220715-085556
        git checkout ed55f535b8492ef30d7e94aae5811c772403ab4f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        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 where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_gem_ww.c:52:6: error: no previous prototype for 'i915_gem_ww_ctx_fini2' [-Werror=missing-prototypes]
      52 | void i915_gem_ww_ctx_fini2(struct i915_gem_ww_ctx *ww)
         |      ^~~~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/i915_gem_ww_ctx_fini2 +52 drivers/gpu/drm/i915/i915_gem_ww.c

    51	
  > 52	void i915_gem_ww_ctx_fini2(struct i915_gem_ww_ctx *ww)
    53	{
    54		i915_gem_ww_ctx_unlock_all(ww);
    55		WARN_ON(ww->contended);
    56	}
    57	

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