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AMD's "Sabrina" SoC Is Mendocino - Coreboot Enablement Continues
AMD's "Sabrina" SoC Is Mendocino - Coreboot Enablement Continues
8 Hours Ago - AMD - Sabrina = Mendocino - 6 Comments

You may recall the Phoronix news earlier this year around an AMD "Sabrina" SoC appearing in Coreboot for open-source system firmware support. Over the past few months we've cited a number of AMD Sabrina hits in open-source code but outside of that haven't heard much else about "Sabrina" or seen it on AMD's roadmaps.

OpenSUSE Tumblewed Planning To Finally End ReiserFS Support
OpenSUSE Tumblewed Planning To Finally End ReiserFS Support
7 August 03:38 PM EDT - SUSE - Farewell ReiserFS - 14 Comments

SUSE had been one of the big supporters of ReiserFS two decades ago when it was using the ReiserFS file-system by default but that practice ended in 2006. While SUSE/openSUSE hasn't defaulted to ReiserFS for many years, it has remained an install-time option and retained support for mounting ReiserFS file-systems, but that practice is likely soon ending.

BUS1 Working On "r-linux" - A Rust Capability-Based Linux Runtime
BUS1 Working On "r-linux" - A Rust Capability-Based Linux Runtime
7 August 06:09 AM EDT - Linux Kernel - r-linux - 11 Comments

BUS1 started out as a Linux kernel IPC module following the failure of KDBUS and while there still are occasional commits to that out-of-tree BUS1 kernel module, the involved (Red Hat) developers have been primarily working on Dbus-Broker as the high performance, user-space D-Bus implementation that delivers greater speed and reliability over the reference D-Bus code. Now also popping up under the BUS1 umbrella is "r-linux" as a Rust-written, capability-based Linux runtime.

FBDEV Updates For Linux 6.0 Bring Fixes For The Atari Graphics Chipset Driver
7 August 05:09 AM EDT - Linux Kernel - Atari FBDEV - 4 Comments

Earlier this year a developer stepped up willing to maintain Linux's FBDEV subsystem for frame-buffer device drivers since it fell into an unmaintained state in 2016 but even prior to that had been on the decline in the era of more proper DRM/KMS drivers. Helge Deller continues that work overseeing the frame-buffer device "FBDEV" subsystem and this week sent in the new patches for Linux 6.0.

6 August

OpenRISC Enables PCI Support With Linux 6.0
OpenRISC Enables PCI Support With Linux 6.0
6 August 12:00 AM EDT - Linux Kernel - OpenRISC + PCI - 3 Comments

While OpenRISC has been around a decade longer than RISC-V and its original support in the Linux kernel dates back to the v3.1 days, on the hardware side OpenRISC hasn't enjoyed nearly as much success as RISC-V and its kernel support not advancing nearly as rapidly. Now with Linux 6.0, OpenRISC is finally exposing PCI bus support.

5 August

DreamWorks Animation To Open-Source MoonRay Renderer
DreamWorks Animation To Open-Source MoonRay Renderer
5 August 02:04 PM EDT - Free Software - OpenMoonRay - 19 Comments

DreamWorks Animation announced today that they intend to release their MoonRay production renderer as open-source softwate later in 2022. DreamWorks' MoonRay renderer has been used for films such as How To Train Your Dragon: The Hidden World, The Bad Guys, Puss In Boots: The Last Wish, and other animated films.

AMD Ryzen 7 PRO 6850U: ACPI Platform Profile Low-Power vs. Balanced vs. Performance
AMD Ryzen 7 PRO 6850U: ACPI Platform Profile Low-Power vs. Balanced vs. Performance
5 August 12:22 PM EDT - Software - 12 Comments

As with many new Intel/AMD laptops these days, the recently launched Lenovo ThinkPad X13 Gen3 with AMD Ryzen 7 PRO 6850U "Rembrandt" SoC boasts ACPI Platform Profile support that is exposed under Linux for switching between low-power, balanced (default), and performance modes. For those curious about this ACPI Platform Profile impact, here are some benchmarks from this 6850U laptop under Ubuntu Linux and its impact on power and thermal efficiency too.

Microsoft Continues Improving Its Internal Linux Distro With Another Update
Microsoft Continues Improving Its Internal Linux Distro With Another Update
5 August 06:13 AM EDT - Microsoft - CBL-Mariner 2.0 July 2022 Update 2 - 16 Comments

It was just over a year ago Microsoft lifted the lid further on CBL-Mariner as its internal Linux distribution used for a variety of purposes at the company from running within their Azure cloud environment to also finding use by WSL, and various other use-cases. They have continued issuing updates and expanding the capabilities of this enterprise-tasked Linux distribution.

Linux 6.0's Perf Tooling Ready For AMD Zen 4 IBS
Linux 6.0's Perf Tooling Ready For AMD Zen 4 IBS
5 August 05:52 AM EDT - AMD - Instruction Based Sampling - 1 Comment

Earlier this year AMD began posting Linux kernel patches for >a href="https://www.phoronix.com/news/AMD-Zen-4-IBS-Linux">Instruction Based Sampling (IBS) extensions coming with Zen 4 processors. With Linux 5.19 the Zen 4 IBS extensions landed while now with Linux 6.0 the perf tools have been updated for dealing with Zen 4 IBS.

XFS Scalability Improvement, Other File-System Enhancements Land In Linux 6.0
XFS Scalability Improvement, Other File-System Enhancements Land In Linux 6.0
5 August 05:39 AM EDT - Linux Storage - XFS + EXT4 Changes For Linux 6.0 - 1 Comment

The XFS file-system may be getting up there in age but there are no signs of it slowing down but rather the opposite -- continued scalability work and performance optimizations -- as well as tacking on new features. With Linux 6.0, the mature XFS continues to age well. Separately, the EXT4 file-system updates have also landed in Linux 6.0.

4 August

An Early Look At AMD EPYC Performance Gains On Linux 6.0
4 August 09:00 AM EDT - AMD - Linux 6.0 Benchmarks - 6 Comments

With Linux 6.0 having some big scheduler changes and tuning that should specifically benefit AMD Zen systems, I've been eager to see how some high core count EPYC servers will benefit from this next version of the Linux kernel. While just a few days into the Linux 6.0 merge window, here are some early benchmarks showing some of the areas where Linux 6.0 is allowing higher performance out of existing AMD EPYC 7003 series hardware.

There Is Another Debate Over An AI Accelerator Subsystem For Linux
4 August 06:55 AM EDT - Hardware - Linux Kernel Accelerator Subsystem - 9 Comments

With there recently being a number of new driver proposals for various AI-focused accelerators for the Linux kernel, currently they either go into "char/misc" as the random catch-all area of the kernel or within the Direct Rendering Manager (DRM) subsystem traditionally used for GPU drivers. There's been yet another discussion happening this week over introducing a formal "accelerator" subsystem in the kernel for the growing number of AI devices that may be seeking to provide open-source drivers.

Intel SGX2 Support Coming With Linux 6.0
4 August 05:43 AM EDT - Intel - Intel SGX2 For Linux 6.0 - 3 Comments

Back in 2020 with Linux 5.11 Intel SGX support was finally merged after undergoing 40+ revisions over the span of years. Fortunately, not taking as long is now Intel SGX2 support that is set to be mainlined with the new Linux 6.0 kernel.

3 August

Valve Expanding Steam Deck Availability To Asian Markets
3 August 08:45 PM EDT - Valve - Steam Deck In Asian - 24 Comments

In addition to continuing to ramp up their Steam Deck production to fulfill existing pre-order reservations this calendar year thanks to addressing supply chain bottlenecks, Valve announced today that in partnership with Komodo they are bringing this Linux-powered gaming console to Asian markets.

GlobalFoundries Partners With Google's Open-Source Silicon Effort To Provide 180nm Tech
3 August 02:30 PM EDT - Google - GlobalFoundries GF180MCU - 21 Comments

Over the past two years Google has been spearheading an effort to make silicon design more open-source and allowing more projects to get started in chip fabrication. That got started with a partnership with SkyWater Technology and Google covering the costs for open-source projects to see their initial chips fabricated on a 130nm process. Google's Open-Source Silicon Design Initiative recently announced SkyWater 90nm manufacturing will get underway for future manufacturing runs. Today the news out of Google's open-source group is that GlobalFoundries has joined this initiative and is providing 180nm manufacturing access.

NVIDIA GA103 Support Posted For Open-Source Nouveau Linux Driver
3 August 01:44 PM EDT - Nouveau - NVIDIA GA103 - 12 Comments

Merged last year into the Linux kernel's Nouveau DRM driver was initial support for GeForce RTX 30 "Ampere" GPUs initially in the form of the GA100 and GA102 parts. That support for the moment is still limited to just mode-setting/display support with 3D still being tackled, but now a patch has been posted that rather trivially extends the support to cover the GA103 GPU too.

Linux 6.0 Graphics Driver Changes Preparing For Intel DG2/Alchemist & AMD RDNA3
3 August 05:50 AM EDT - Linux Kernel - Linux 6.0 DRM - 3 Comments

Direct Rendering Manager (DRM) subsystem maintainer David Airlie has submitted all of the open-source GPU/display driver updates for the Linux 6.0 (nee 5.20) merge window. Much of this work is centered around bringing up the Intel Arc Graphics DG2/Alchemist discrete graphics cards and on the AMD side continued work around enabling RDNA3 and Instinct MI300 graphics processors.

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