On Thu, Mar 25, 2010 at 08:29:03AM +0200, Avi Kivity wrote: > We still have a virtio implementation in userspace for file-based images. > > In any case, the file APIs are not asynchronous so we'll need a thread > pool. That will probably minimize the difference in performance between > the userspace and kernel implementations.
The kernel has "real" aio when doing direct I/O, although currently we can't easily use it from kernelspace. Thejre's a few people who've been looking into making it usable for that, though. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
