linux-kernel - Re: [PATCH drm-misc-next v5 3/6] drm/gpuvm: add an abstraction for a VM / BO combination

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Message-ID: <202310021416.3jqeZtQG-lkp@intel.com>
Date:   Mon, 2 Oct 2023 14:34:02 +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 v5 3/6] drm/gpuvm: add an abstraction for a
 VM / BO combination

Hi Danilo,

kernel test robot noticed the following build warnings:

[auto build test WARNING on a4ead6e37e3290cff399e2598d75e98777b69b37]

url:    https://github.com/intel-lab-lkp/linux/commits/Danilo-Krummrich/drm-gpuvm-add-common-dma-resv-per-struct-drm_gpuvm/20230929-031831
base:   a4ead6e37e3290cff399e2598d75e98777b69b37
patch link:    https://lore.kernel.org/r/20230928191624.13703-4-dakr%40redhat.com
patch subject: [PATCH drm-misc-next v5 3/6] drm/gpuvm: add an abstraction for a VM / BO combination
reproduce: (https://download.01.org/0day-ci/archive/20231002/202310021416.3jqeZtQG-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/202310021416.3jqeZtQG-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> ./include/drm/drm_gpuvm.h:464: warning: Function parameter or member 'vm' not described in 'drm_gpuvm_bo'

vim +464 ./include/drm/drm_gpuvm.h

   427	
   428		/**
   429		 * @gpuvm: The &drm_gpuvm the @obj is mapped in.
   430		 */
   431		struct drm_gpuvm *vm;
   432	
   433		/**
   434		 * @obj: The &drm_gem_object being mapped in the @gpuvm.
   435		 */
   436		struct drm_gem_object *obj;
   437	
   438		/**
   439		 * @kref: The reference count for this &drm_gpuvm_bo.
   440		 */
   441		struct kref kref;
   442	
   443		/**
   444		 * @list: Structure containing all &list_heads.
   445		 */
   446		struct {
   447			/**
   448			 * @gpuva: The list of linked &drm_gpuvas.
   449			 */
   450			struct list_head gpuva;
   451	
   452			/**
   453			 * @entry: Structure containing all &list_heads serving as
   454			 * entry.
   455			 */
   456			struct {
   457				/**
   458				 * @gem: List entry to attach to the &drm_gem_objects
   459				 * gpuva list.
   460				 */
   461				struct list_head gem;
   462			} entry;
   463		} list;
 > 464	};
   465	

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