linux-kernel - Re: [PATCH drm-misc-next v8 09/12] drm/gpuvm: reference count drm

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Message-ID: <202311021833.q8aYDJnr-lkp@intel.com>
Date:   Thu, 2 Nov 2023 18:46:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Danilo Krummrich <dakr@...hat.com>, airlied@...il.com,
        daniel@...ll.ch, matthew.brost@...el.com,
        thomas.hellstrom@...ux.intel.com, sarah.walker@...tec.com,
        donald.robson@...tec.com, boris.brezillon@...labora.com,
        christian.koenig@....com, faith@...strand.net
Cc:     oe-kbuild-all@...ts.linux.dev, nouveau@...ts.freedesktop.org,
        Danilo Krummrich <dakr@...hat.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH drm-misc-next v8 09/12] drm/gpuvm: reference count
 drm_gpuvm structures

Hi Danilo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 3c6c7ca4508b6cb1a033ac954c50a1b2c97af883]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-gpuvm-convert-WARN-to-drm_WARN-variants/20231102-073332
base:   3c6c7ca4508b6cb1a033ac954c50a1b2c97af883
patch link:    https://lore.kernel.org/r/20231101233113.8059-10-dakr%40redhat.com
patch subject: [PATCH drm-misc-next v8 09/12] drm/gpuvm: reference count drm_gpuvm structures
config: arc-allmodconfig (https://download.01.org/0day-ci/archive/20231102/202311021833.q8aYDJnr-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231102/202311021833.q8aYDJnr-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311021833.q8aYDJnr-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/drm_gpuvm.c:810: warning: expecting prototype for drm_gpuvm_bo_put(). Prototype was for drm_gpuvm_put() instead


vim +810 drivers/gpu/drm/drm_gpuvm.c

   801	
   802	/**
   803	 * drm_gpuvm_bo_put() - drop a struct drm_gpuvm reference
   804	 * @gpuvm: the &drm_gpuvm to release the reference of
   805	 *
   806	 * This releases a reference to @gpuvm.
   807	 */
   808	void
   809	drm_gpuvm_put(struct drm_gpuvm *gpuvm)
 > 810	{
   811		if (gpuvm)
   812			kref_put(&gpuvm->kref, drm_gpuvm_free);
   813	}
   814	EXPORT_SYMBOL_GPL(drm_gpuvm_put);
   815	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki