On 2/13/25 10:10 AM, Jason Gunthorpe wrote: > On Wed, Feb 12, 2025 at 04:34:18PM -0500, Matthew Rosato wrote: >> Enabled via the kernel command-line 'iommu.passthrough=1' option. >> >> Introduce the concept of identity domains to s390-iommu, which relies on >> the bus_dma_region to offset identity mappings to the start of the DMA >> aperture advertized by CLP. >> >> Tested-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx> >> Reviewed-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx> >> Signed-off-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> >> --- >> drivers/iommu/s390-iommu.c | 95 +++++++++++++++++++++++++++++--------- >> 1 file changed, 72 insertions(+), 23 deletions(-) > > Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > > This may want to be changed to use > > https://lore.kernel.org/linux-iommu/2-v1-91eed9c8014a+53a37-iommu_virtio_domains_jgg@xxxxxxxxxx/ > > Later on > Thanks for reviewing again. And ACK, I will look at this for follow-on
