Re: [PATCH 5/5] ioeventfd: Introduce KVM_IOEVENTFD_FLAG_SOCKET

Avi Kivity
2011-07-14T08:30:10Z

On 07/14/2011 11:25 AM, Michael S. Tsirkin wrote:
> On Thu, Jul 14, 2011 at 11:09:57AM +0300, Avi Kivity wrote:
> > I'm talking about the real world. Is any of this something that
> > needs optimization?
>
> This work might help enable vhost support for non-MSI guests
> (required for linux 2.6.30 and back). It's not enough
> for that though: we would also need level interrupt
> support in irqfd. That might be doable by using
> sockets for irqfd in a similar way.

I don't have an issue with socket mmio (it's a great feature once it's
done well), just with presenting the serial port as motivation.

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