On Wed, Sep 20, 2017 at 08:23:20AM +, Paul Durrant wrote:
> > -Original Message-
> > From: Joao Martins [mailto:joao.m.mart...@oracle.com]
> > Sent: 19 September 2017 20:08
> > To: Xen-devel
> > Cc: Wei Liu ; Paul Durrant ;
> > Konrad Rzeszutek Wilk ; Joao Martins
> >
> > Subject: [PA
> -Original Message-
> From: Joao Martins [mailto:joao.m.mart...@oracle.com]
> Sent: 19 September 2017 20:08
> To: Xen-devel
> Cc: Wei Liu ; Paul Durrant ;
> Konrad Rzeszutek Wilk ; Joao Martins
>
> Subject: [PATCH v4 1/1] public/io/netif.h: add gref mapping control messages
>
> Adds 3 m
Adds 3 messages to allow guest to let backend keep grants mapped,
such that 1) guests allowing fast recycling of pages can avoid doing
grant ops for those cases, or otherwise 2) preferring copies over
grants and 3) always using a fixed set of pages for network I/O.
The three control ring messages
