mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-04-03 05:15:53 -04:00
This is the first step to supporting an incoherent walker, start and stop the incoherence around the allocation and frees of the page table memory. The iommu_pages API maps this to dma_map/unmap_single(), or arch cache flushing calls. Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>