Linux Kernel: VKMS, CAKE, Xen and AMDVLK
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Virtual Kernel Mode-Setting Driver Being Added To Linux 4.19
Linux 4.19 is shaping up to be a pretty exciting kernel release for what is expected to be the last version before Linux 5.0.
Adding to the list of Direct Rendering Manager (DRM) improvements in Linux 4.19, VKMS has been added to Linux 4.19. The VKMS driver is the virtual kernel mode-setting effort, most recently worked on as part of this year's Google Summer of Code.
The virtual KMS driver is a basic KMS driver exposing a CRTC/encoder/connector/plane that can be used for headless machines to run an X.Org Server or even Wayland and serves for virtual display purposes without necessa
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Networking CAKE Is Ready For Tasting With Linux 4.19
For those maintaining their own home-built Linux router, Linux 4.19 is going to be pretty exciting: CAKE Qdisc has been merged into net-next, making it a feature for this next kernel cycle.
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Latest Xen Hypervisor Arrives Late, but Greatly Improved
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AMDVLK Vulkan Driver Now Supports Direct Display Mode For VR HMDs
The AMDVLK open-source Radeon Vulkan Linux driver has seen its latest weekly code drop that brings with it some of the extensions needed for supporting the Steam VR experience.
The AMDVLK driver now supports VK_EXT_direct_mode_display and VK_EXT_acquire_xlib_display extensions. These extensions are needed so a Vulkan application/compositor can take exclusive control of display(s), such as the use-case for virtual reality head-mounted displays (VR HMDs) with being controlled by the SteamVR compositor. The VK_EXT_acquire_xlib_display extension is needed for acquiring control of a display that is associated with an X11 screen from the X.Org Server.
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