From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: Design document of Kemari
Date: Tue, 10 Mar 2009 10:38:52 +0000
Message-ID: <C5DBF3BC.49A8%keir.fraser@eu.citrix.com>
References: <49B63E06.2030402@lab.ntt.co.jp>
Mime-Version: 1.0
Content-Type: text/plain;
	charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <49B63E06.2030402@lab.ntt.co.jp>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Yoshisato YANAGISAWA <yanagisawa.yoshisato@lab.ntt.co.jp>
Cc: xen-devel <xen-devel@lists.xensource.com>, Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
List-Id: xen-devel@lists.xenproject.org

On 10/03/2009 10:16, "Yoshisato YANAGISAWA"
<yanagisawa.yoshisato@lab.ntt.co.jp> wrote:

>> Yes, we prefer a merged save/restore codebase.
> 
> Since Kemari requires transaction-like feature, xc_dom_kemari_save
> should wait acknowledgment from xc_dom_kemari_restore.
> Xc_dom_kemari_restore should also buffer data until complete snapshot
> received from xc_dom_kemari_save.
> Because of this reason, there might be large if-else statements if those
> code are merged.
> 
> Isn't it make xc_domain_save and xc_domain_restore too complexed?

Well, you can leave it for now pending further investigation. I also want to
see what the Remus approach is for this.

 -- Keir