Re: [PATCH] virtio_net: free transmit skbs in a timer

[Avi Kivity]

Rusty Russell wrote:
> On Friday 16 May 2008 01:32:47 Avi Kivity wrote:
>   
> > Mark McLoughlin wrote:
> >     
> > > I think Rusty is speaking from the POV of the guest driver - i.e. that
> > > virtio_net should never disable notifications on the xmit queue using
> > > disable_cb()?
> > >
> > > Sounds like you think agree, but that the host side should throttle the
> > > rate of xmit notifications?
> > >       
> > Yes.
> >     
>
> But performance is going to suck in the meantime, as currently our host 
> doesn't do this.
>   

That's what the feature bits are for.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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