Re: [PATCH vfio 07/11] virtio-pci: Introduce admin commands

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Hi Yishai,

kernel test robot noticed the following build warnings:

[auto build test WARNING on awilliam-vfio/for-linus]
[also build test WARNING on linus/master v6.6-rc3 next-20230921]
[cannot apply to awilliam-vfio/next]
[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/Yishai-Hadas/virtio-pci-Use-virtio-pci-device-layer-vq-info-instead-of-generic-one/20230922-062611
base:   https://github.com/awilliam/linux-vfio.git for-linus
patch link:    https://lore.kernel.org/r/20230921124040.145386-8-yishaih%40nvidia.com
patch subject: [PATCH vfio 07/11] virtio-pci: Introduce admin commands
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20230925/202309251120.rWbiAZYM-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230925/202309251120.rWbiAZYM-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309251120.rWbiAZYM-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from drivers/virtio/virtio_pci_modern_dev.c:3:
   In file included from include/linux/virtio_pci_modern.h:6:
>> include/uapi/linux/virtio_pci.h:270:4: warning: attribute '__packed__' is ignored, place it after "struct" to apply attribute to type declaration [-Wignored-attributes]
   }; __packed
      ^
   include/linux/compiler_attributes.h:304:56: note: expanded from macro '__packed'
   #define __packed                        __attribute__((__packed__))
                                                          ^
   1 warning generated.


vim +270 include/uapi/linux/virtio_pci.h

   264	
   265	struct virtio_admin_cmd_notify_info_data {
   266		u8 flags; /* 0 = end of list, 1 = owner device, 2 = member device */
   267		u8 bar; /* BAR of the member or the owner device */
   268		u8 padding[6];
   269		__le64 offset; /* Offset within bar. */
 > 270	}; __packed
   271	

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



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