30 Jul
2025
30 Jul
'25
9:32 a.m.
On Tue, Jul 29, 2025 at 05:13:51PM -0300, Jason Gunthorpe wrote:
On Tue, Jul 29, 2025 at 08:44:21PM +0100, Robin Murphy wrote:
In this case with just one single contiguous mapping, it is clearly objectively worse to have to bounce in and out of the IOMMU layer 3 separate times and store a dma_map_state,
The non-contiguous mappings are comming back, it was in earlier drafts of this. Regardless, the point is to show how to use the general API that we would want to bring into the DRM drivers that don't have contiguity even though VFIO is a bit special.
Yes, we will see comeback of DMA ranges in v2.
Thanks