Re: [Xen-devel] [PATCH v7 9/9] ioreq-server: make buffered ioreq handling optional

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: 12 May 2014 04:37
> To: Paul Durrant
> Cc: Ian Jackson; Stefano Stabellini; xen-devel@xxxxxxxxxxxxx
> Subject: Re: [PATCH v7 9/9] ioreq-server: make buffered ioreq handling
> optional
> 
> >>> On 09.05.14 at 10:40, <paul.durrant@xxxxxxxxxx> wrote:
> > Some emulators will only register regions that require non-buffered
> > access. (In practice the only region that a guest uses buffered access
> > for today is the VGA aperture from 0xa0000-0xbffff). This patch therefore
> > makes allocation of the buffered ioreq page and event channel optional for
> > secondary ioreq servers.
> >
> > If a guest attempts buffered access to an ioreq server that does not
> > support it, the access will be handled via the normal synchronous path.
> >
> > Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> > Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
> (hypervisor side, and provided the many remaining coding style
> issues get cleaned up)
> 

Thanks. I'll fix any coding style issues I can spot.

  Paul

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel