Jeremy Fitzhardinge wrote: > > Yes, and that's the core of the Xen netfront. But is there really much > code which can be shared between different hypervisors? When you get > down to it, all the real code is hypervisor-specific stuff for setting > up ringbuffers and dealing with interrupts. Like all the other network > drivers. > One thing, Jeremy, which I think is being a bit misleading here: you're focusing on big, performance-critical stuff. Those things are going to be the ones which has the most win to implement in hypervisor-specific ways. Although we can offer models for some hypervisors (and G-d knows there are enough implementations out there of virtual disk which are almost identical), they're clearly not going to be universal. However, there are other things; console is some, or my original example, which was random number generation. For those, the benefit of unification is proportionally greater, simply because the win of anything hypervisor-specific is much smaller. -hpa _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
