Re: [Qemu-devel] [PATCH 6/6] RFH: We lost "connect" events

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Aug 19, 2019 at 12:00:15PM +0100, Peter Maydell wrote:
> On Mon, 19 Aug 2019 at 11:50, Daniel P. Berrangé <berrange@redhat.com> wrote:
> > I don't think we want to expose this in the QAPI schema for the socket
> > address, since the correct value is really something that QEMU should
> > figure out based on usage context.
> >
> > Thus, I think we'll have to make it an explicit parameter to the
> > qio_channel_socket_listen_{sync,async} APIs, and socket_listen()
> > and inet_listen_saddr(), etc. Then the migration code can pass in
> > a sensible value based on multifd usage.
> 
> How bad would it be if we just passed SOMAXCONN for the backlog
> value always?

I'm not 100% clear to be honest, but my feeling is that this will waste
resources for much of QEMU usage where we only ever accept a single
client connection on an incoming socket.

Regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|