* Anthony Liguori (anthony@xxxxxxxxxxxxx) wrote: > Andi Kleen wrote: >> On Wed, Apr 01, 2009 at 10:19:49AM -0400, Gregory Haskins wrote: >>> Performance. We are trying to create a high performance IO infrastructure. >> >> Ok. So the goal is to bypass user space qemu completely for better >> performance. Can you please put this into the initial patch >> description? > > FWIW, there's nothing that prevents in-kernel back ends with virtio so > vbus certainly isn't required for in-kernel backends. Indeed. > That said, I don't think we're bound today by the fact that we're in > userspace. Rather we're bound by the interfaces we have between the > host kernel and userspace to generate IO. I'd rather fix those > interfaces than put more stuff in the kernel. And more stuff in the kernel can come at the potential cost of weakening protection/isolation. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
