WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [bug] 'VT-d 1G super page' feature is blocked
From: Tim Deegan <tim@xxxxxxx>
Date: Wed, 10 Aug 2011 17:25:34 +0100
Cc: Yongjie Ren <yongjie.ren@xxxxxxxxx>, Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Allen M Kay <allen.m.kay@xxxxxxxxx>, Xin Li <xin.li@xxxxxxxxx>
Delivery-date: Wed, 10 Aug 2011 09:26:55 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20110808151150.GB5845@xxxxxxxxxxxxxxxxxxxxx>
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: <CE59C043D0EC3349B2BF41C0EC72229B12D21111F0@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110730081145.GA45723@xxxxxxxxxxxxxxxxxxxxx> <CE59C043D0EC3349B2BF41C0EC72229B12D21111FB@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <CE59C043D0EC3349B2BF41C0EC72229B12D216E382@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110803171239.GA71832@xxxxxxxxxxxxxxxxxxxxx> <987664A83D2D224EAE907B061CE93D5301EA1F3274@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <4E3FAF0F0200007800050178@xxxxxxxxxxxxxxxxxxxx> <20110808151150.GB5845@xxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.4.2.1i
At 16:11 +0100 on 08 Aug (1312819910), Tim Deegan wrote:
> At 08:40 +0100 on 08 Aug (1312792831), Jan Beulich wrote:
> > >>> On 03.08.11 at 19:58, "Kay, Allen M" <allen.m.kay@xxxxxxxxx> wrote:
> > > Off hand, I don't see any reason iommu_setup() cannot be moved after 
> > > do_presmp_initcalls() in __start_xen().
> > > 
> > > Theoretically, iommu_setup() just needs to be called before any device 
> > > operation.  We should give it a try.
> > 
> > So who's going to try this out then, and submit a patch?
> 
> I am, once I get back to the office (probably Wednesday)

This turns out not to work.  Allen, how about the attached patch
instead?

Cheers,

Tim.

-- 
Tim Deegan <tim@xxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

Attachment: x
Description: Text document

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel