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Intel and Linux: Mesa, mOS, SERIALIZE and IWD

Submitted by Roy Schestowitz on Wednesday 12th of August 2020 08:09:31 PM Filed under
Linux

  • Intel Iris Gallium3D Driver Adds Compute Kernel Support In Mesa 20.3

    While Mesa 20.2 isn't even releasing for a few weeks, Mesa 20.3 is already seeing new feature work that will debut next quarter. 

    Intel's Jason Ekstrand has landed a set of patches for handling of kernels within Iris, Intel's modern Gallium3D driver. He commented, "This MR contains most of the patches required to handle kernels in iris. I've had them lying around in a branch in some form or another for a while. We should upstream what we can." 

  • Intel Making Progress On Their "mOS" Modified Linux Kernel Running Lightweight Kernels

    For a while now Intel has been quietly been working on "mOS" as the "multi-OS" that is a modified version of the Linux kernel that in turn is running lightweight kernels for high-performance computing purposes.

    •          

  • POWER10 Virtualization, Intel SERIALIZE Come For KVM On Linux 5.9

    Sent in last week for the Linux 5.9 kernel merge window were the initial batch of changes to the Kernel-based Virtual Machine (KVM) while today some additional interesting changes were sent out. 

    This latest material for KVM in Linux 5.9 includes: 

    - Support for the SERIALIZE instruction on KVM x86/x86_64. Intel's SERIALIZE ensures all flags/register/memory modifications are complete and all buffered writes drained before moving on to execute the next instruction. This can be used for stopping speculative execution and prefetching of modified kernel. The first CPUs expected with SERIALIZE are Sapphire Rapids and Alder Lake next year while Linux has already begun preparing for SERIALIZE where relevant. 

  • Ubuntu Is Looking At Offering Better WiFi Support By Using Intel's IWD

    Ubuntu developers are looking at using Intel IWD as the iNET wireless daemon to potentially replace WPA_Supplicant for offering a better WiFi experience.

    Intel's open-source team has always been working on IWD as a potential replacement to WPA_Supplicant while recently the Ubuntu folks have found it has "mostly reached feature parity" now to WPA_Supplicant albeit is in need of more testing on the desktop side.

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