Re: [Qemu-devel] question about qemu IO process

2016-12-15 Thread Stefan Hajnoczi
On Thu, Dec 15, 2016 at 02:50:41PM +0800, ous...@sina.com wrote: > I recently try to figure out the the whole IO process in qemu, I have traced > most parts of this process, but I'm still confused about how guest OS notify > qemu to handle virtqueue > I traced to virtio_queue_host_notifier_read -

[Qemu-devel] question about qemu IO process

2016-12-15 Thread ousuju
Hello, I'm a newbie of Qemu. sorry about my stupid question. I recently try to figure out the the whole IO process in qemu, I have traced most parts of this process, but I'm still confused about how guest OS notify qemu to handle virtqueue I traced to virtio_queue_host_notifier_read -> event_not