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authorAlex Williamson <alex.williamson@redhat.com>2012-10-08 08:45:29 -0600
committerAlex Williamson <alex.williamson@redhat.com>2012-10-08 08:45:29 -0600
commit12af1344871aee4a8df011c3b0548f7c77332d54 (patch)
tree8c55332d36c5317e2ea18dec6ada2eb59cd3283b /qemu-option-internal.h
parentaf6bc27e39fafadbc03c8876ffa95851c5869683 (diff)
vfio-pci: Unmap and retry DMA mapping
Occasionally we get regions added that overlap with existing mappings. These always seems to be in the VGA ROM range. VFIO returns EBUSY for these mapping attempts. We can try a little harder and assume that the latest mapping is correct by removing any overlapping ranges and retrying the original request. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'qemu-option-internal.h')
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