Virtualization Technology News and Information
Article
RSS
Linux Kernel to Add VMI

Quoting eWeek

The next stable update to the Linux kernel, Version 2.6.21, is slated to include a new feature submitted by VMware called VMI.

Virtualized operating system instances can enjoy performance and management benefits if their kernels are modified to communicate with the hypervisor under which they run. This arrangement is called paravirtualization.

The initial promise of Virtual Machine Interface was that it would provide a common protocol across which multiple hypervisors could communicate with the Linux kernel instances they paravirtualize, as opposed to having different sets of hooks built into Linux for different hypervisors.

The idea is similar to the Linux Security Module framework, on which both the SELinux (Security-Enhanced Linux) and AppArmor rights-hardening technologies are built.

However, VMware's approach has faced some pushback among kernel developers, and VMware ended up modifying VMI to plug into a separate kernel paravirtualization interface, called paravirt_ops, which made its way into the stable Linux kernel with the last update (2.6.20).

Dialed-back ambitions or no, VMI is set to enter active service soon, as VMware's forthcoming Workstation 6.0 will make use of VMI-enabled kernels, including those that drive Linux distributions such as the soon-to-ship Ubuntu 7.04.

Read the original, here.

Thanks to Dave McCrory for the news!

Published Tuesday, March 27, 2007 8:58 AM by David Marshall
Filed under:
Comments
There are no comments for this post.
To post a comment, you must be a registered user. Registration is free and easy! Sign up now!
Calendar
<March 2007>
SuMoTuWeThFrSa
25262728123
45678910
11121314151617
18192021222324
25262728293031
1234567