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-ia64-devel] [PATCH] Fix that guest can not get continuous memor

To: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Subject: RE: [Xen-ia64-devel] [PATCH] Fix that guest can not get continuous memory for vhpt
From: "Zhang, Yang" <yang.zhang@xxxxxxxxx>
Date: Thu, 19 Feb 2009 13:11:53 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: "xen-ia64-devel@xxxxxxxxxxxxxxxxxxx" <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 18 Feb 2009 21:13:07 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20090219031203.GE19443%yamahata@xxxxxxxxxxxxx>
List-help: <mailto:xen-ia64-devel-request@lists.xensource.com?subject=help>
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
List-post: <mailto:xen-ia64-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=unsubscribe>
References: <10C63FAD690C13458F0B32BCED571F1406BFDE2F@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20090219031203.GE19443%yamahata@xxxxxxxxxxxxx>
Sender: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcmSP996jRvr5R2LRN+OdWV2Qxs0ygADy8yQ
Thread-topic: [Xen-ia64-devel] [PATCH] Fix that guest can not get continuous memory for vhpt

>From: Isaku Yamahata [mailto:yamahata@xxxxxxxxxxxxx]
>Sent: 2009年2月19日 11:12
>To: Zhang, Yang
>Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-ia64-devel] [PATCH] Fix that guest can not get continuous
>memory for vhpt
>- It is a poor approach to introduce new HVM_PARAM_VHPT_SIZE.
>  This is inconsistent with XEN_DOMCTL_arch_setup by which libxc tells
>  VMM vhpt size of PV domain.
>  So the first idea which came into my mind is to call
>  XEN_DOMCTL_ARCH_setup before populating domain memory.
>  I haven't checked if it's possible or not, though. Maybe we can introduce
>  new XEN_DOMAINSETUP_xxx flag.
        I doesn't introduce HVM_PARAM_VHPT_SIZE. The hvm needs it to save the 
vhpt'size for allocating vhpt's memory when vcpu boot. I just add some code to 
save memory for vhpt beforehand when libxc tells VMM vhpt size of  hvm. And I 
don't think PV domain need to do this.

Xen-ia64-devel mailing list