On Tue, Nov 16, 2010 at 4:02 PM, Michael S. Tsirkin wrote:
> On Fri, Nov 12, 2010 at 01:24:28PM +, Stefan Hajnoczi wrote:
>> Virtqueue notify is currently handled synchronously in userspace virtio.
>> This
>> prevents the vcpu from executing guest code while hardware emulation code
>> handle
On Fri, Nov 12, 2010 at 01:24:28PM +, Stefan Hajnoczi wrote:
> Virtqueue notify is currently handled synchronously in userspace virtio. This
> prevents the vcpu from executing guest code while hardware emulation code
> handles the notify.
>
> On systems that support KVM, the ioeventfd mechani
Virtqueue notify is currently handled synchronously in userspace virtio. This
prevents the vcpu from executing guest code while hardware emulation code
handles the notify.
On systems that support KVM, the ioeventfd mechanism can be used to make
virtqueue notify a lightweight exit by deferring har
