Open-source News

Apple M1 IOMMU Driver Merged For Linux 5.15, Intel Scalable Mode By Default

Phoronix - Sat, 09/04/2021 - 17:45
While Linux 5.13 landed initial Apple Silicon M1 support, it was just the very initial bits. Now for Linux 5.15 we are seeing another step in the bring-up with the community-created Apple M1 IOMMU driver being merged...

KDE's Plasma Wayland Session Is "Finally Reaching Stability" Following Many Fixes

Phoronix - Sat, 09/04/2021 - 17:27
KDE developers have kicked off September by landing many fixes for their desktop stack, including around their Plasma Wayland session...

X.Org Looks To Drop DMX After Being Rather Broken For ~14 Years

Phoronix - Sat, 09/04/2021 - 15:00
X.Org's DMX DDX driver for supporting Distributed Multi-Head X looks like it will be removed from the source tree after finding out the code has been rather broken for the past 14 years...

Linux 5.15 Has A Critical Improvement For Tiered Memory Servers

Phoronix - Sat, 09/04/2021 - 03:48
Landing via Andrew Morton's patch series today in the Linux 5.15 kernel is handling for demoting pages during memory reclaim, which can be used for punting cold pages off to slower, tiered memory devices (like Intel persistent memory) when under system memory pressure...

The New NTFS File-System Driver Has Been Submitted For Linux 5.15

Phoronix - Sat, 09/04/2021 - 01:25
It looks like Paragon Software's NTFS3 kernel driver providing much better Linux support for the Microsoft NTFS file-system will land for the 5.15 kernel!..

Gzip 1.11 Released With "Orders of Magnitude Faster" Performance On IBM Z

Phoronix - Sat, 09/04/2021 - 00:53
The last release of Gzip was v1.10 back at the end of 2018 while now it's finally been succeeded today by Gzip 1.11...

Benchmarking The Performance Impact Of Linux 5.15's Newest Protection Around Side Channel Attacks

Phoronix - Fri, 09/03/2021 - 21:05
With the in-development Linux 5.15 kernel there is a new option for further protecting the kernel around side channel attacks and information leakage. Enabling the option will ensure that any caller-used register contents are zeroed prior to returning from a function. While the reported performance cost is said to be small, I decided to run some benchmarks when toggling this new Kconfig hardening option.

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