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authorAlex Williamson <alex.williamson@redhat.com>2013-04-29 08:41:36 -0600
committerAlex Williamson <alex.williamson@redhat.com>2013-04-29 08:41:36 -0600
commit0b43c082338b857c27d2f87c886eb78812ccd236 (patch)
tree4692c09a3ba9b7efb9eff3000f17d8bdbde00630 /drivers/media/mmc
parent9587f44aa69a4cfb13701b31a633852684bed701 (diff)
downloadlinux-0b43c082338b857c27d2f87c886eb78812ccd236.tar.bz2
vfio: Use down_reads to protect iommu disconnects
If a group or device is released or a container is unset from a group it can race against file ops on the container. Protect these with down_reads to allow concurrent users. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Reported-by: Michael S. Tsirkin <mst@redhat.com>
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