Re: KVM call agenda for Apr 27

[Gleb Natapov <gleb@redhat.com>]

On Mon, Apr 26, 2010 at 05:36:52PM -0500, Anthony Liguori wrote:
> On 04/26/2010 05:12 PM, Chris Wright wrote:
> >* Anthony Liguori (anthony@codemonkey.ws) wrote:
> >>On 04/26/2010 12:26 PM, Chris Wright wrote:
> >>>Please send in any agenda items you are interested in covering.
> >>>
> >>>While I don't expect it to be the case this week, if we have a
> >>>lack of agenda items I'll cancel the week's call.
> >>- qemu management interface (and libvirt)
> >>- stable tree policy (push vs. pull and call for stable volunteers)
> >block plug in (follow-on from qmp block watermark)
> 
> A few comments:
> 
> 1) The problem was not block watermark itself but generating a
> notification on the watermark threshold.  It's a heuristic and
> should be implemented based on polling block stats.  Otherwise,
> we'll be adding tons of events to qemu that we'll struggle to
> maintain.
> 
Network cards have low number of rx/tx buffers interrupt. This is also
heuristic. Do you think driver should poll for this event instead and
NIC designers just wasted their time designing the feature?

--
			Gleb.