When a device driver issues the first dma_map command for a
device, we assign a new and empty page-table, thus removing all
mappings from the old kernel for the device.
Signed-off-by: Li, Zhen-Hua
---
drivers/iommu/intel-iommu.c | 56 ++---
1 file changed,
When a device driver issues the first dma_map command for a
device, we assign a new and empty page-table, thus removing all
mappings from the old kernel for the device.
Signed-off-by: Li, Zhen-Hua
---
drivers/iommu/intel-iommu.c | 27 ---
1 file changed, 20 insertions(+),