On Sun, Sep 28, 2008 at 02:43:26PM +0800, Han, Weidong wrote: > For pvdma, why each BDF will need its own domain for intra-guest > protection?
Because if more than one BDF shares an address space, BDFa will be able to DMA to BDFb's buffers, and vice versa. The point of intra-guest (not inter-guest) protection is that a device (driver) can only DMA to its own buffers. Cheers, Muli -- The First Workshop on I/O Virtualization (WIOV '08) Dec 2008, San Diego, CA, http://www.usenix.org/wiov08/ xxx SYSTOR 2009---The Israeli Experimental Systems Conference http://www.haifa.il.ibm.com/conferences/systor2009/ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
