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(parent: be8d3ad) | patch
vfio: Change struct vfio_group::opened from an atomic to bool
authorJason Gunthorpe <jgg@nvidia.com>
Mon, 16 May 2022 23:41:18 +0000 (20:41 -0300)
committerAlex Williamson <alex.williamson@redhat.com>
Tue, 17 May 2022 19:07:09 +0000 (13:07 -0600)
commitc6f4860ef938606117961fac11d8d67497ab299b
tree3f567232c420ea465993379fdff9c76f8d59c7aatree | snapshot
parentbe8d3adae65cd44b6c299b796a5e1a0c24c54454commit | diff
vfio: Change struct vfio_group::opened from an atomic to bool

This is not a performance path, just use the group_rwsem to protect the
value.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/2-v2-d035a1842d81+1bf-vfio_group_locking_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/vfio.c diff | blob | history
Domain: System / Kernel;