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| author | Alex Williamson <alex.williamson@redhat.com> | 2013-04-29 08:41:36 -0600 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2013-04-29 08:41:36 -0600 |
| commit | 0b43c082338b857c27d2f87c886eb78812ccd236 (patch) | |
| tree | 4692c09a3ba9b7efb9eff3000f17d8bdbde00630 /lib/reciprocal_div.c | |
| parent | 9587f44aa69a4cfb13701b31a633852684bed701 (diff) | |
| download | linux-3.10-0b43c082338b857c27d2f87c886eb78812ccd236.tar.gz linux-3.10-0b43c082338b857c27d2f87c886eb78812ccd236.tar.bz2 linux-3.10-0b43c082338b857c27d2f87c886eb78812ccd236.zip | |
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>
Diffstat (limited to 'lib/reciprocal_div.c')
0 files changed, 0 insertions, 0 deletions