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| author | Jason Gunthorpe <jgg@nvidia.com> | 2022-09-29 16:59:25 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2022-10-04 20:06:58 +0200 |
| commit | c82e81ab2569559ad873b3061217c2f37560682b (patch) | |
| tree | 3cdb8747c5bbe641a1f0811aaa403dbc7364ff28 /virt/kvm/vfio.c | |
| parent | vfio: Remove the vfio_group->users and users_comp (diff) | |
| download | linux-c82e81ab2569559ad873b3061217c2f37560682b.tar.xz linux-c82e81ab2569559ad873b3061217c2f37560682b.zip | |
vfio: Change vfio_group->group_rwsem to a mutex
These days not much is using the read side:
- device first open
- ioctl_get_status
- device FD release
- check enforced_coherent
None of this is performance, so just make it into a normal mutex.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/2-v1-917e3647f123+b1a-vfio_group_users_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'virt/kvm/vfio.c')
0 files changed, 0 insertions, 0 deletions