On Wed, Dec 23, 2009 at 05:04:53PM +0800, Huibin QIAN
wrote:> Hey all
>
> What is STUBDOM ?
>
> Any doc on it ?
>
> Thanks !!!
Stubdoms are lightweight ''service'' or
''driver'' domains. The initial
purpose was to offload qemu (for hvm guests) out of dom0.
So with stubdoms you can run hvm guest qemu in a separate stubdom, which
boosts performance and makes it more secure.
stubdoms can also run for example pv-grub for pv guests, making it more
secure compared to pygrub, which always runs in dom0.
http://wiki.xensource.com/xenwiki/StubDom
Presentation about stubdoms at Xen Summit:
http://www.xen.org/files/xensummitboston08/SamThibault_XenSummit.pdf
http://blog.xen.org/index.php/2008/08/28/xen-33-feature-stub-domains/
http://blog.xen.org/index.php/2008/08/28/xen-33-feature-hvm-device-model-domain/
http://lxr.xensource.com/lxr/source/stubdom/README
Those should help.
-- Pasi
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