On Thu, Jan 14, 2016 at 12:47:24AM -0500, Jason Wang wrote:
> Current intel_iommu only supports 4K page which may not be sufficient
> to cover guest working set. This patch tries to enable 2M and 1G mapping
> for intel_iommu. This is also useful for future device IOTLB
> implementation to have a
On 01/14/2016 05:28 PM, Michael S. Tsirkin wrote:
> On Thu, Jan 14, 2016 at 12:47:24AM -0500, Jason Wang wrote:
>> > Current intel_iommu only supports 4K page which may not be sufficient
>> > to cover guest working set. This patch tries to enable 2M and 1G mapping
>> > for intel_iommu. This is
Current intel_iommu only supports 4K page which may not be sufficient
to cover guest working set. This patch tries to enable 2M and 1G mapping
for intel_iommu. This is also useful for future device IOTLB
implementation to have a better hit rate.
Major work is adding a page mask field on IOTLB
