Re: [PATCH 1/2] vfio: add mmap/munmap API for page hinting

[kbuild test robot]

Hi weiqi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on kvm/linux-next]
[also build test WARNING on vfio/next vhost/linux-next v5.5-rc5 next-20200109]
[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/weiqi/page-hinting-add-passthrough-support/20200108-152941
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-129-g341daf20-dirty
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)

>> drivers/vfio/vfio_iommu_type1.c:1275:5: sparse: sparse: symbol 'vfio_iommu_iova_to_phys' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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0-DAY kernel test infrastructure                 Open Source Technology Center
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