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There exists a gap at the end of mdev_device_create() where the device is visible to userspace, but we're not yet ready to handle removal, as triggered through the 'remove' attribute. We handle this properly in mdev_device_remove() with an -EAGAIN return, but we can marginally reduce this gap by adding this attribute as a final step of our sysfs setup. Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>