On 07/15/2010 08:17 PM, Chris Wright wrote:
For emulated device, it seems like we can ignore ATS completely, no?Not if you want to emulate an ATS capable device ;)
What I meant was that the whole request translation, invalidate, dma using a translated address thing is invisible to software. We can emulate an ATS capable device by going through the iommu every time.
-- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.
