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Re: [Xen-devel] Modular Xen

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] Modular Xen
From: Reiner Sailer <sailer@xxxxxxxxxx>
Date: Tue, 16 Jan 2007 22:14:32 -0500
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>Mark Williamson wrote:
>
>
> There are circumstances where it might be nice to load *something*
> into Xen at   boot time though...  I think the ACM / sHype work supports

>(or at least, supported at some stage) loading policy data as a multiboot
> module.
>
> Cheers,
> Mark


Indeed, ACM/sHype supports dynamic loading of security policies at boot time. The policy can be provided as a multiboot module.

We are planning to go one step further and add a legacy (non-security) mode to the ACM. Then, an ACM-enabled Xen kernel will offer users the option to switch security on and off at boot time without recompilation.

Thanks
Reiner

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