From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jaeyong Yoo <jaeyong.yoo@samsung.com>
Subject: Re: [PATCH v4 8/9] xen/arm: Implement hypercall for
 dirty page tracing
Date: Sun, 20 Oct 2013 04:22:44 +0000 (GMT)
Message-ID: <23262910.1641382242962932.JavaMail.weblogic@epml11>
Reply-To: jaeyong.yoo@samsung.com
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
MIME-version: 1.0
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: 'Stefano Stabellini' <stefano.stabellini@citrix.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
List-Id: xen-devel@lists.xenproject.org

> > > I meant the pte frobbing immediately before the call the add_mapped_vaddr
> > > quoted above.
> > > 
> > 
> > I don't think it is necessary because at the moment the dirty bitmap
> > is constructed based on the VAs in the linked list. If the PTE frobbing
> > happens
> > immediately before add_mapped_vaddr, the corresponding dirty-page would be 
> > checked at the next round get-dirty-gitmap. 
>
> OK, thanks. Can we get a code comment on the ordering constraints her
please.

Sure, of course.

Jaeyong.