 Home |
Products |
Support |
Community |
News |
xen-devel
Re: [Xen-devel] grant table interface addition?
| To: | "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] grant table interface addition? |
| From: | "Jan Beulich" <jbeulich@xxxxxxxxxx> |
| Date: | Thu, 30 Oct 2008 15:53:52 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 30 Oct 2008 08:53:56 -0700 |
| Envelope-to: | www-data@xxxxxxxxxxxxxxxxxxx |
| In-reply-to: | <C52F71F5.2896A%keir.fraser@xxxxxxxxxxxxx> |
| 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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe> |
| List-unsubscribe: | <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe> |
| References: | <4909CD8F.76E4.0078.0@xxxxxxxxxx> <C52F71F5.2896A%keir.fraser@xxxxxxxxxxxxx> |
| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 30.10.08 15:15 >>> >On 30/10/08 14:06, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: >> As to PAGE_IO, wouldn't it be appropriate to set this flag on pte-s created >> with GNTMAP_device_map? Or is the name misleading me? I'm perhaps >> confused by the fact that the use of this flag is not tied to granting iomem >> pages... > >The idea was that this would grant-map pages into an iommu. Really it's not >actually been used, but GNTMAP_device_map doesn't cause mappings to appear >in host page tables. It actually is being used in Solarflare's acceleration backend - what you say makes me think this could be wrong then. Jan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: [Xen-devel] [PATCH] x86: fix preemptable page type handling(v2), Keir Fraser |
|---|---|
| Next by Date: | Re: [Xen-devel] grant table interface addition?, Keir Fraser |
| Previous by Thread: | Re: [Xen-devel] grant table interface addition?, Keir Fraser |
| Next by Thread: | Re: [Xen-devel] grant table interface addition?, Keir Fraser |
| Indexes: | [Date] [Thread] [Top] [All Lists] |
