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-users] PIO from domU

To: "Vadim Makhervaks" <vmakhervaks@xxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] PIO from domU
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Wed, 23 Nov 2005 22:23:09 -0000
Cc: ian.pratt@xxxxxxxxxxxx
Delivery-date: Wed, 23 Nov 2005 22:23:09 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcXvpIwWrd0YY2veQ0KFPEn7VqAgCwAATDggADSVCLAAAQbb8A==
Thread-topic: [Xen-users] PIO from domU
> What do you envision to be a proper solution for this 
> problem? Something along the lines of module running in domO 
> capable grant access or transfer IO pages ownership to domU? 
> Similar to existing grant_table interface?

We'll have a dom0 op that enables a suitably privileged domain to assign
one or more ranges of machine address space to another domain, and
update the 'failure path' of get_page_from_l1e to try chcking the
assigned ranges as a last resort.


Xen-users mailing list

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