Re: [Qemu-devel] [PATCH 00/12][RFC] char: add flow control and fix guest_[open|close]

[Blue Swirl]

On Mon, Aug 1, 2011 at 2:22 PM, Anthony Liguori <address@hidden> wrote:
> The char layer has been growing some nasty warts for some time now as we ask 
> it
> to do things it was never intended on doing.  It's been long over due for an
> overhaul and its become evident to me that we need to address this first 
> before
> adding any more features to the char layer.
>
> This series is the start at sanitizing the char layer.  It effectively turns
> the char layer into an internal pipe.  It supports flow control using an
> intermediate ring queue for each direction.
>
> This series is an RFC because I don't think we should merge the series until 
> we
> completely convert the old style flow control users to the new style.

The terms 'back-end' and 'front-end' could be improved. How about just
'device' or 'hw' and 'chrdev'?

The architecture could be described in for example qemu-tech.texi.

> One particularly nasty area is the mux device.  I'm not entirely sure yet how
> to preceed there.
>
>
>