On 10/24/2012 08:10 AM, Stefan Hajnoczi wrote: > 1. For aio=native QEMU uses the Linux AIO API. I think this results in > kernel threads that process I/O on behalf of the userspace process. No, the request is submitted directly from io_submit(), and completion sets the eventfd from irq context. Usually no threads are involved. -- error compiling committee.c: too many arguments to function -- 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