On Tue, Dec 11, 2018 at 02:43:38PM +0100, Joerg Roedel wrote: > From: Joerg Roedel <jroedel@xxxxxxx> > > Some places in the kernel check the iommu_group pointer in > 'struct device' in order to find ot whether a device is > mapped by an IOMMU. > > This is not good way to make this check, as the pointer will > be moved to 'struct dev_iommu_data'. This way to make the > check is also not very readable. > > Introduce an explicit function to perform this check. > > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> No need to have a cc: line if I have already acked it :) thanks, greg k-h