linux-next: Signed-off-by missing for commit in the vhost tree

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi all,

ommit

  ed944d574cc7 ("ack! virtio: VIRTIO_F_IOMMU_PLATFORM -> VIRTIO_F_ACCESS_PLATFORM")

is missing a Signed-off-by from its author and committer.

I have never seen an empty commit like this before - I assume it is just
a way to add an Reviewed-by to a previous commit without rebaseing
the tree.

-- 
Cheers,
Stephen Rothwell

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