Re: [PATCH 5/5] virtio: Add bounce DMA ops

kbuild test robot
2020-04-29T21:07:50Z

Hi Srivatsa,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on vhost/linux-next]
[also build test WARNING on xen-tip/linux-next linus/master v5.7-rc3 next-20200428]
[cannot apply to swiotlb/linux-next]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Srivatsa-Vaddagiri/virtio-on-Type-1-hypervisor/20200429-032334
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-191-gc51a0382-dirty
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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

sparse warnings: (new ones prefixed by >>)

>> drivers/virtio/virtio_bounce.c:22:21: sparse: sparse: symbol 'virtio_pool' was not declared. Should it be static?
>> drivers/virtio/virtio_bounce.c:79:8: sparse: sparse: symbol 'virtio_max_mapping_size' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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0-DAY CI Kernel Test Service, Intel Corporation