Linux 8250/16550 UART Serial Driver Seeing Some Modernization Work In 2026

The Linux 8250 serial driver as the universal/legacy driver for 8250 and 16550 type serial ports has been seeing some modernization work recently with a number of 8250 serial patches having now been merged for the Linux 7.2 kernel.

With the TTY/serial driver changes that were sent out and subsequently merged yesterday, Greg Kroah-Hartman noted that there were 8250 driver updates and reworks to make it more "modern". The 82

New Hygon Model 8 "Suzhou" x86 CPU Support Appears In The GCC Compiler

A seemingly new generation of Hygon x86 processors are on the way with the GNU Compiler Collection (GCC) seeing support today for the Hygon Model 8 "Suzhou" c86-4g-m8 processors.

A few months back the GCC 17 compiler saw initial support for Hygon C86-4G CPUs with the C86-4G-M4, C86-4G-M6, and C86-4G-M7. Those series
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Linux 7.2 RISC-V Reduces Kernel Startup Overhead, Eswin SoC Support By Default

Along with the many x86/x86_64 improvements and some ARM64 architecture improvements (albeit slowed down by the AI/LLM noise affecting the development pace), the RISC-V architecture changes were merged last week for the ongoing Linux 7.2 kernel development.

For those using the SiFive HiFive Premier P550 or other RISC-V boards using an Eswin SoC, the RISC-V default kernel configuration now enables Eswin SoC support . The RISC-V defconfig is updated
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KDE Plasma 6.7.1 Released With Initial Batch Of Bug Fixes

Following last week's major Plasma 6.7 release, Plasma 6.7.1 is now available today with an initial assortment of bug fixes.

KDE developers have been busy the past week addressing some early fallout of Plasma 6.7 but overall it appears in good shape. Plasma 6.7.1 disables the game controller input plug-in by default due to some issues, a smooth blend effect is added when switching between global desktop themes, KWin has seen a variety of different bug fixes, kwin
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USB4STREAM Merged For Linux 7.2 To Quickly Send Data Between USB4 Connected Systems

As part of today's USB/Thunderbolt subsystem updates for the ongoing Linux 7.2 kernel merge window, USB4STREAM was merged as a nifty and exciting addition to opening up some interesting USB4 connnectivity use-cases for high speed, low latency data transfers.

Back in May, Phoronix was first to report on <,a href="https://www.phoronix.com/news/Intel-Linux-USB4STREAM">Intel developing the USB4STREAM protocol for Linux as
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Intel Optimization Zone 1.1 Lays Out Tuning Recommendations For More Workloads

Back in March Intel announced the Optimization Zone as a new initiative for helping server administrators and developers better maximize the performance of different workloads running on Intel hardware. Out today is the Intel Optimization Zone 1.1 release with more workloads now covered for squeezing out the most performance on Intel CPUs.

Intel Optimization Zone 1.1 is now available and covers running additional workloads in an optimized manner on Intel hardware, namely for Xeon processors but in some cases Intel desktop processors may benefit too. Newly-covered workloads include using Apache
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Steam Machine Launches, Priced $1049 To $1428 USD

Valve today finally revealed pricing on their SteamOS Linux-powered Steam Machine living room PC. Given the ongoing RAM and storage pricing pressure, the Steam Machine pricing comes in at the high-end.

This 6-inch AMD/Linux-powered cube for Steam gaming starts out at $1049 USD for the 512GB model (or $1,128 if including a Steam Controller) or goes up top $1,349 USD for the 2TB model or $1
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Benchmarking Bcachefs 1.38.6: The First Release No Longer "Experimental"

Released last week was Bcachefs 1.38.6 with a host of performance improvements to this out-of-tree, copy-on-write file-system. Given all the performance improvements and this being the first release since Kent Overstreet dropped the "experimental" flag on the file-system, I decided to fire up some benchmarks looking at how the Bcachefs file-system performance has changed with this new version.

Bcachefs 1.38.6 drops the experimental tag for the file-system,

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Xfce Wayland Compositor Sees First Preview/Alpha Release

Over the past half-year, Xfwl4 has been developed as a Wayland compositor for the Xfce desktop environment. Released this weekend was the first preview release of Xfwl4 in alpha form.

This first release of Xfwl4 is described as " ready to get some wider use, even though of course there will be bugs and missing features. Think of this as an alpha release. "

Brian Tarricone has been leading the development of Xfwl4 via a sponsorship from the Xfce project. The ultimate goal of Xfwl4 is
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Linux Finally Lands Battery/Charger Driver For 14 Year Old Microsoft Surface RT Tablet

It's been 14 years already since Microsoft announced the Surface RT hybrid tablet as their first-generation Surface device for going up against the Apple iPad. All these years later, this NVIDIA Tegra 3 powered device is finally seeing a mainline Linux kernel driver for supporting battery and charger status.

In the event you still have a Microsoft Surface RT or manage to snag one for a good deal used, the Linux 7.2 kernel is introducing the "surface-rt-ec" driver for interfacing with the Embedded
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