On Fri, Nov 07, 2025 at 12:49:37PM -0400, Jason Gunthorpe wrote: > Addresses intended for MMIO should be propagated through to the iommu with > the IOMMU_MMIO flag set. > > Keep track in the batch if all the pfns are cachable or mmio and flush the > batch out of it ever needs to be changed. Switch to IOMMU_MMIO if the > batch is MMIO when mapping the iommu. > > Signed-off-by: Jason Gunthorpe <[email protected]>
Reviewed-by: Nicolin Chen <[email protected]>
