1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

VMware Preps To Push More Mainline Kernel Code

Virtualization

Published on 16 May 2012 05:33 AM EDT
Written by Michael Larabel in Virtualization
16 Comments

To further enhance the Linux virtualization experience with VMware products, the company is preparing to push the Virtual Machine Communication Interface and VMCI Sockets into the mainline Linux kernel.

Andrew Stiegmann of VMware has pushed out a set of eleven patches under an "RFC" (Request For Comments) flag as "In an effort to improve the out-of-the-box experience with Linux kernels for VMware users, VMware is working on readying the Virtual Machine Communication Interface (vmw_vmci) and VMCI Sockets (vmw_vsock) kernel modules for inclusion in the Linux kernel."

As far as what VMware VMCI is, below is the description that was part of the patch series descriptions on the kernel mailing list.
VMCI allows virtual machines to communicate with host kernel modules and the VMware hypervisors. User level applications both in a virtual machine and on the host can use vmw_vmci through VMCI Sockets, a socket address family designed to be compatible with UDP and TCP at the interface level. Today, VMCI and VMCI Sockets are used by the VMware shared folders (HGFS) and various VMware Tools components inside the guest for zero-config, network-less access to VMware host services. In addition to this, VMware's users are using VMCI Sockets for various applications, where network access of the virtual machine is restricted or non-existent. Examples of this are VMs communicating with device proxies for proprietary hardware running as host applications and automated testing of applications running within virtual machines.
VMware already has several of its virtualization components integrated into the mainline Linux kernel, but it's good to see more support code coming.

While VMware's virtualization products aren't open-source or free as in free beer (sans the VMware Player), at least on the desktop front it's not without its own set of advantages. Over KVM/QEMU, VMware virtualization allows for 3D/video acceleration on guest virtual machines that is accelerated on the hardware by the host. The OpenGL stack is open-source with the virtual GPU components being integrated into the mainline Linux kernel DRM and Mesa Gallium3D. It's open-source, works with the mainline components, and performs quite well. I'm quite a fan of using VMware for its accelerated OpenGL guest benefits compared to VMware/KVM currently not providing any form of 3D acceleration (I use VMware Fusion on my main business system). With VMware, things tend to "just work" from a clean install and then enhanced when installing the guest kernel modules, but now it should work even better out-of-the-box when the VMCI code is merged. This could possibly happen for the Linux 3.5 kernel and weighs in at around 15,000 lines of new code with the vmw_vmci module.

Meanwhile, Oracle hasn't been working lately on merging any of its guest additions into the mainline Linux kernel. They would have a tough time merging the VirtualBox modules anyways since the upstream Linux kernel developers view them as tainted crap.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. Even With Re-Clocking, Nouveau Remains Behind NVIDIA's Proprietary Linux Driver
  2. The Power Consumption & Efficiency Of Open-Source GPU Drivers
  3. AMD R600g/RadeonSI Performance On Linux 3.16 With Mesa 10.3-devel
  4. Intel Pentium G3258 On Linux
Latest Linux Articles
  1. AMD Catalyst 14.6 Does Slightly Better With APITest OpenGL Tests
  2. Updated Source Engine Benchmarks On The Latest AMD/NVIDIA Linux Drivers
  3. Nouveau vs. Radeon vs. Intel Tests On Linux 3.16, Mesa 10.3-devel
  4. KVM Benchmarks On Ubuntu 14.10
Latest Linux News
  1. Builder: A New Development IDE Being Built For GNOME
  2. GDB 7.8 Betters Python Scripting, Adds Guile Support
  3. GNOME's GTK+ Is Still Striving For A Scene Graph, Canvas API
  4. Unreal Tournament Looks Great For Team Deathmatch
  5. LibreOffice 4.3 Released With Many Exciting Changes
  6. GNOME/GTK On Wayland Gains Focus At GUADEC
  7. GNOME Stakeholders Take Issue With Groupon Over their Gnome
  8. GStreamer VA-API Plug-In Update Adds New Features
  9. Qt 5.4 Going Into Feature Freeze Next Week With Exciting Changes
  10. OpenSUSE Factory Turns Into Rolling Release Distribution
Latest Forum Discussions
  1. Grand Theft Auto Running On Direct3D Natively On Linux Shows Gallium3D Potential
  2. Open-source drivers on ATI R7 260X
  3. AMD Athlon 5350 APU On Linux
  4. Debian + radeonsi
  5. Linus Torvalds On GCC 4.9: Pure & Utter Crap
  6. Updated and Optimized Ubuntu Free Graphics Drivers
  7. List of Linux friendly Kickstarter projects
  8. Porting Mesa to the Playstation 2