On Mon, Jul 10, 2023 at 07:59:26PM -0700, Yi Liu wrote: > The IOMMU_CAP_CACHE_COHERENCY check only applies to the physical devices > that are IOMMU-backed. But it is now in the group code. If want to compile > vfio_group infrastructure out, this check needs to be moved out of the group > code. > > Another reason for this change is to fail the device registration for the > physical devices that do not have IOMMU if the group code is not compiled > as the cdev interface does not support such devices. > > Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > --- > drivers/vfio/group.c | 10 ---------- > drivers/vfio/vfio_main.c | 11 +++++++++++ > 2 files changed, 11 insertions(+), 10 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
