On Thu, Jan 29, 2026 at 09:24:55PM +0000, David Matlack wrote: > Enforce that files for incoming (preserved by previous kernel) VFIO > devices are retrieved via LIVEUPDATE_SESSION_RETRIEVE_FD rather than by > opening the corresponding VFIO character device or via > VFIO_GROUP_GET_DEVICE_FD. > > Both of these methods would result in VFIO initializing the device > without access to the preserved state of the device passed by the > previous kernel. > > Signed-off-by: David Matlack <[email protected]> > --- > drivers/vfio/device_cdev.c | 4 ++++ > drivers/vfio/group.c | 9 +++++++++ > include/linux/vfio.h | 18 ++++++++++++++++++ > 3 files changed, 31 insertions(+) >
Reviewed-by: Pranjal Shrivastava <[email protected]> Thanks, Praan

