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Re: [Xen-devel] [PATCH] [Xend] Grab common lock during domain restore op

To: Stefan Berger <stefanb@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] [Xend] Grab common lock during domain restore op and security op
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: 2008年3月10日 22:06:38 +0000
Delivery-date: 2008年3月10日 15:07:55 -0700
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Thread-topic: [Xen-devel] [PATCH] [Xend] Grab common lock during domain restore op and security op
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It seems odd to me that of all update operations that can be performed on a
domain by xend, only label-setting needs explicit serialisation against
domain restore. What's the underlying problem that this is solving?
 -- Keir
On 10/3/08 21:59, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:
> I am introducing a lock in the path of the domain restore operation.
> This lock is acquired when a domain is restored or migrated into a
> system. The lock is also acquired during policy operation, i.e., setting
> of a domain's label, which prevents changes to the policy during restore
> operations.
>
> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxx>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel 
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