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-ia64-devel

Re: [Xen-ia64-devel] Patch for PV-on-HVM for IPF

To: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] Patch for PV-on-HVM for IPF
From: Doi.Tsunehisa@xxxxxxxxxxxxxx
Date: Wed, 27 Sep 2006 20:02:42 +0900
Cc: xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 27 Sep 2006 04:03:01 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: Your message of Wed, 27 Sep 2006 19:07:49 +0900. <20060927100749.GE29866%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/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=unsubscribe>
References: <451A47FB.8060900@xxxxxxxxxxxxxx><20060927100749.GE29866%yamahata@xxxxxxxxxxxxx>
Sender: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
You (yamahata) said:
> On Wed, Sep 27, 2006 at 06:44:27PM +0900, DOI Tsunehisa wrote:
>>     - In x86 code, p2m table invalidation is delayed at last phase of
>>       domain destruction.
>>       => but we don't like it. it seems that p2m table exists after
>>          memory relinquised.
> 
> What's the problem? I don't see why.

  In x86 code, it checks ownership of pages before actual memcpy()
in gnttab_copy() function. thus it doesn't have any problem actually.

  But, it's strange that referencer exists although referencee doesn't
exist, I think.

Thanks,
- Tsunehisa Doi

_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel