On 03/25/2010 06:40 PM, Michael S. Tsirkin wrote: > On Thu, Mar 25, 2010 at 06:32:15PM +0200, Avi Kivity wrote: > >> On 03/25/2010 06:23 PM, Anthony Liguori wrote: >> >>>> There has been previous discussion of virtio, however while virtio is >>>> good for exporting guest memory, it's not ideal for importing memory >>>> into a guest. >>>> >>> virtio is a DMA-based API which means that it doesn't assume cache >>> coherent shared memory. The PCI transport takes advantage of cache >>> coherent shared memory but it's not strictly required. >>> >> Aren't we violating this by not using dma_alloc_coherent() for the queues? >> > I don't see what changing this would buys us though, unless > a non-cache coherent architecture implements kvm. > We're preventing people from implementing virtio devices in hardware, not that anyone's doing that. -- error compiling committee.c: too many arguments to function _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
