xen-devel

[Top] [All Lists]

Re: [Xen-devel] PATCH: xen pagesize

from [Tristan Gingold]

[Permanent Link][Original]

To:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject:	Re: [Xen-devel] PATCH: xen pagesize
From:	Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date:	Fri, 23 Jun 2006 08:27:19 +0200
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx, xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date:	Thu, 22 Jun 2006 23:23:18 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
In-reply-to:	<accc4d3cfe7436b231053c74a460bbeb@xxxxxxxxxxxx>
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>
References:	<200606221659.37938.Tristan.Gingold@xxxxxxxx> <accc4d3cfe7436b231053c74a460bbeb@xxxxxxxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	KMail/1.5

Le Jeudi 22 Juin 2006 17:13, Keir Fraser a écrit :
> On 22 Jun 2006, at 15:59, Tristan Gingold wrote:
> > some architectures (eg ia64) don't have a canonical page size.
> > It is possible to build kernels (and Xen) with different page size.
> > Such configurations are not yet working, but as a first step this
> > patch makes
> > the info available.
> > Ideally pagesize should be a field of platform_parameter but doing so
> > would
> > break binary compatibility.
>
> Why might you care about Xen's page size on such systems? Presumably
> the guest at this point is happily running on the page size of its
> choice?
Yes, dom0 might run with its own page size.

But as soon as page operations are involved (domain construction, xenstore, 
grant operations) xen page size has to be known.  Xen and domains have to 
agree on what is a page.

Tristan.

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

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-devel] PATCH: xen pagesize, Tristan Gingold Re: [Xen-devel] PATCH: xen pagesize, Keir Fraser Re: [Xen-devel] PATCH: xen pagesize, Tristan Gingold <=

Previous by Date:	[Xen-devel] [PATCH] [HVM] Fix virtual apic irq distribution, Li, Xin B
Next by Date:	RE: [Xen-devel] xenoprof patch, Santos, Jose Renato G
Previous by Thread:	Re: [Xen-devel] PATCH: xen pagesize, Keir Fraser
Next by Thread:	[Xen-devel] xenoprof patch, vineet chadha
Indexes:	[Date] [Thread] [Top] [All Lists]