This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


RE: [Xen-devel] Some advice. VIO: netfront finally begun

To: "Jimi Xenidis" <jimix@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Some advice. VIO: netfront finally begun
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Mon, 21 Aug 2006 18:11:16 +0100
Cc: xen-ppc-devel <xen-ppc-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Mon, 21 Aug 2006 10:12:30 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcbFQmSmGtFCmnwLS9WO3s98fnIrdgAAjQlg
Thread-topic: [Xen-devel] Some advice. VIO: netfront finally begun
> We use large pages, and in fact we are forced to a special area to
> handle real mode exceptions called an RMA.
> Consider it a permanent large page (64M) that is used for real mode,
> this is our minimum memory.
> In order to decrease a reservation that mean that memory must be
> greater than this minimum memory by at least as much as we want to
> decrease.  We also want to make sure that pages that are part of the
> decrease do not come from the RMA.
> Any thoughts on this would be appreciated.
> Also, I know others are thinking about super-pages, any progress on
> that with regard to grant transfers?

You could use the copy mode of operation supported by netfront/back.


Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>