| commit | 0b43c082338b857c27d2f87c886eb78812ccd236 | [log] [tgz] |
|---|---|---|
| author | Alex Williamson <alex.williamson@redhat.com> | Mon Apr 29 08:41:36 2013 -0600 |
| committer | Alex Williamson <alex.williamson@redhat.com> | Mon Apr 29 08:41:36 2013 -0600 |
| tree | 4692c09a3ba9b7efb9eff3000f17d8bdbde00630 | |
| parent | 9587f44aa69a4cfb13701b31a633852684bed701 [diff] |
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>