[PATCH 08/10] iommu/vtd: assign new page table for dma_map

2014-12-22 Thread Li, Zhen-Hua
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,

[PATCH 08/10] iommu/vtd: assign new page table for dma_map

2014-12-15 Thread Li, Zhen-Hua
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(+),