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Re: [Qemu-devel] [RFC PATCH v2 0/4] port network layer onto glib

From: liu ping fan
Subject: Re: [Qemu-devel] [RFC PATCH v2 0/4] port network layer onto glib
Date: Tue, 9 Apr 2013 13:10:09 +0800

On Mon, Apr 8, 2013 at 7:49 PM, Stefan Hajnoczi <address@hidden> wrote:
> On Mon, Apr 01, 2013 at 04:15:06PM +0800, liu ping fan wrote:
>> On Thu, Mar 28, 2013 at 10:55 PM, Stefan Hajnoczi <address@hidden> wrote:
>> >
>> > On Thu, Mar 28, 2013 at 03:55:51PM +0800, Liu Ping Fan wrote:
>> > It seems the AioContext vs glib issue hasn't been settled yet.  My take
>> > is that glib is preferrable *if* we don't need to write too many
>> > helpers/wrappers on top (then we're basically back to rolling our own,
>> > AioContext).
>> >
>> > I was surprised by the amount of code required to listen on a file
>> > descriptor.  Are you sure there isn't a glib way of doing this that
>> > avoids rolling our own GSource?
>> >
>> Will diving more into the code, as mdroth's suggestion. Currently the
>> main issue is that glib seems no support for readalbe or writable.
> I mentioned this in another reply.  I'm not sure what you mean by glib
> does not support readable or writeable.  It has G_IO_IN and G_IO_OUT for
> readable/writeable events.
Answer it in another reply.
>> > In the next series, please drop the hub re-entrancy stuff and virtio-net
>> > data plane.  Instead just focus on systematically moving existing net
>> > clients onto the event loop (net/*.c and NICs).  The only controversial
>> > issue there is AioContext vs glib, and once that's settled we can merge
>> > the patches.
>> >
>> What about the core (queue.c, net.c)?  Need I send them out at the
>> same time or after the backend(clients) convert finished?
> I think the core changes are necessary to build the converted net
> clients, so they should be part of the series.
OK, I will send out all of them in v4.

> Stefan

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