Messages in this thread | | | Subject | Xen 2.0 VMM patches | Date | Wed, 17 Nov 2004 23:43:53 +0000 | From | Ian Pratt <> |
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The Xen team would like to start submitting upstream the patches required to enable Linux to run over the Xen 2.0 Virtual Machine Monitor. For more information about Xen see: http://xen.sf.net
There are three main classes of patch required: core : small patches that provide extra hooks for arch-xen arch-xen : large patch to add arch/xen and include/asm-xen xen-drivers : patch to add virtual block, network and console drivers
We're proposing to submit the 'core' patches first, as these probably require closest inspection (the others are all new files in new directories, so can't break existing architectures).
There is already a significant user base and lively developer community backing the Xen project, so we're confident we will have the resources to maintain arch-xen on Linux 2.6 going forward (as well as Linux 2.4/NetBSD/FreeBSD/etc).
Let us know what you think of the patches ;-)
Cheers, Ian, Keir, Christian, Steve
Original Xen 2.0 release annoucement:
The Xen team are pleased to announce the release of Xen 2.0, the open-source Virtual Machine Monitor. Xen enables you to run multiple operating systems images concurrently on the same hardware, securely partitioning the resources of the machine between them. Xen uses a technique called 'para-virtualization' to achieve very low performance overhead -- typically just a few percent relative to native. This new release provides kernel support for Linux 2.4.27/2.6.9, NetBSD and FreeBSD.
Xen 2.0 runs on almost the entire set of modern x86 hardware supported by Linux, and is easy to 'drop-in' to an existing Linux installation. The new release has a lot more flexibility in how guest OS virtual I/O devices are configured. For example, you can configure arbitrary firewalling, bridging and routing of guest virtual network interfaces, and use copy-on-write LVM volumes or loopback files for storing guest OS disk images. Another new feature is 'live migration', which allows running OS images to be moved between nodes in a cluster without having to stop them. Visit http://xen.sf.net for downloads and documentation.
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