Updated Rust Code For Linux Kernel Patches Posted
Updated Rust Code For Linux Kernel Patches Posted
87 Minutes Ago - Linux Kernel - Rust For Linux v2 - 7 Comments

In 2022 we will very likely see the experimental Rust programming language support within the Linux kernel mainlined. Sent out this morning were the updated patches introducing the initial support and infrastructure around handling of Rust within the kernel.

GRVK 0.5 Gets Battlefield 4 Running With AMD's Mantle Over Vulkan API
GRVK 0.5 Gets Battlefield 4 Running With AMD's Mantle Over Vulkan API
11 Hours Ago - Vulkan - Mantle API On Vulkan - 4 Comments

It's been a number of months since GRVK 0.4 as the open-source project re-implementing AMD's defunct Mantle API over the modern Vulkan API that was originally based on the former. With Sunday's release of GRVK 0.5, this Mantle-on-Vulkan translation layer is now capable of correctly rendering Battlefield 4.

5 December

XWayland Adds Support For Touchpad Gestures
5 December 05:44 AM EST - X.Org - XWayland + Touchpad Gestures - 2 Comments

XWayland is increasingly great shape especially when it comes to fulfilling the needs of gamers with simply running games lacking native Wayland support with great speed. But when it comes to other use-cases there are occasionally gaps and areas not yet fulfilled by XWayland versus the conventional X.Org Server. One of the latest examples of a feature now correctly wired up is touchpad gesture handling.

4 December

Intel Making Cluster Scheduling Configurable, Disabled For Alder Lake Hybrid CPUs
Intel Making Cluster Scheduling Configurable, Disabled For Alder Lake Hybrid CPUs
4 December 09:14 AM EST - Intel - Cluster Aware Scheduling - 4 Comments

Added to the in-development Linux 5.16 kernel was cluster-aware scheduling designed to enhance system performance where groups of CPU cores may share caches or similar and thus the scheduler could benefit from knowing that information for making more optimal task placement. But as I pointed out early on with Linux 5.16, this cluster scheduling is hurting the Intel Alder Lake performance on the new kernel. Intel is now working to correct this by making the cluster scheduling configurable and disabling this functionality by default for hybrid CPUs such as Alder Lake.

3 December

More BattlEye-Protected Games Now Working With Steam Play On Linux
3 December 02:33 PM EST - Linux Gaming - More Games - 12 Comments

Last month BattlEye-using games began running on Steam Play when using the latest Steam client beta paired with the experimental version of Proton. However, it still does require the intervention of the game studio to request the support be enabled for a particular game. Today in time for any weekend gaming is several more games using the BattlEye anti-cheat software working on Linux.

AMD Threadripper 3970X Performance On Linux After Two Years
AMD Threadripper 3970X Performance On Linux After Two Years
3 December 09:30 AM EST - Processors - 38 Comments

A few days ago it marked two years since the AMD Ryzen Threadripper 3960X / 3970X launched. While we are eager to see next-gen Threadripper, for now is a look at how the open-source Linux performance has evolved for these still-impressive HEDT processors by comparing the Linux performance at launch to where it is today with the very latest upstream Linux software.

FGKASLR Appears Closer To Mainline For Improving Linux Security
FGKASLR Appears Closer To Mainline For Improving Linux Security
3 December 06:30 AM EST - Linux Security - Function Granular KASLR - 1 Comment

Kernel Address Space Layout Randomization has been common on Linux for a decade and a half now while more recently has been Function-Granular (or sometimes referred to as Finer-Grained) KASLR for further upping the security benefits by making it much harder to predict kernel address positions for attacks.

2 December

openSUSE Leap 15.4 Alpha Builds Begin For Testing
2 December 02:00 PM EST - SUSE - openSUSE Leap 15.4 - 23 Comments

Released this summer was openSUSE Leap 15.3 using the same binary packages as SUSE Linux Enterprise for its SLE 15 SP3 release. Looking forward to next year, openSUSE Leap 15.4 alpha builds have begun spinning for that next installment.

Is It Worthwhile Running Intel Alder Lake With mitigations=off?
2 December 10:00 AM EST - Software - 25 Comments

Over the past month of trying out Intel Alder Lake processors on Linux, one of the questions that has come up a few times but not readily disclosed is whether it's still worthwhile on this latest-generation process to boot with "mitigations=off" to disable CPU security mitigations to help squeeze out some otherwise lost performance. Here are some benchmarks to answer that questions.

RADV Driver Improvement Yields More Reasonably Sized Captures For Radeon GPU Profiling
2 December 07:11 AM EST - Radeon - RADV + RGP - 1 Comment

When debugging graphics driver/API issues or performance profiling and relying on shader dumps, the size of such dumps can quickly add up due to all of the state collected, etc, but also inefficiencies when not within contiguous memory. Fortunately for Mesa's Radeon Vulkan driver "RADV" for pairing with the Radeon GPU Profiler there is a significant improvement that just landed for yielding smaller file sizes.

Notcurses 3.0 Released For Adding "Bling" To Your Terminal Apps
2 December 05:43 AM EST - Programming - Notcurses 3.0 - 23 Comments

For those wanting to add some "bling" to your command-line programs to make some "rad" terminal apps, Notcurses 3.0 was released today for designing colorful and complex text-user interfaces. Notcurses allows adding a range of multimedia, Unicode, and other graphics capabilities to command-line applications across Linux / macOS / Windows.

1 December

Intel SGX2 / Enclave Dynamic Memory Management Patches Posted For Linux
1 December 06:31 PM EST - Intel - Software Guard Extensions 2 - 6 Comments

While Intel's Software Guard Extensions (SGX) functionality has been present in CPUs going back to Skylake, it took until last year with Linux 5.11 for SGX support to finally be mainlined and required more than 40 rounds of review/revisions. Finally today Intel posted patches for bringing up SGX2 as the next iteration of Software Guard Extensions and already found in shipping processors.

Linux 5.17 To Finally Enable Variable Rate Refresh For Intel Ice Lake
1 December 06:08 AM EST - Intel - Icelake Gen11 VRR - 8 Comments

An early batch of Intel kernel graphics driver feature updates intended for Linux 5.17 was sent out yesterday to DRM-Next for queuing until that next merge window opens around the start of the new year. Notable with this pull is Icelake "Gen11" graphics finally seeing variable rate refresh enabled!

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