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Re: [Xen-users] What is STUBDOM?
| To: | Huibin QIAN <qianhb@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] What is STUBDOM? |
| From: | Pasi Kärkkäinen <pasik@xxxxxx> |
| Date: | Wed, 23 Dec 2009 11:28:56 +0200 |
| Cc: | cqj@xxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 23 Dec 2009 01:29:36 -0800 |
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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 _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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