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The Linux 6.13 release brings several exciting features and improvements, particularly for AMD and Intel systems. Here are some highlights:
Power Management Updates
- AMD EPYC 9005 “Turin” CPUs: The AMD P-State driver is now the default for these processors, providing better power efficiency.
- Intel Xeon 6 P “Granite Rapids”: The balance-performance Energy Performance Preference (EPP) value has been updated for better performance out-of-the-box.
New Hardware Support
- AMD 3D V-Cache Optimizer Driver: This driver allows Ryzen X3D CPUs to optimize cache usage.
- Intel Panther Lake: Display and GPU support for the new Intel processors.
- PREEMPT_LAZY Support: Improved scheduler performance.
- Support for Older Apple Devices: Added support for various pre-M1 Apple devices on the mainline Linux kernel.
- Runtime repartitioning for the AMDGPU driver.
- Big/super page support for Raspberry Pi graphics driver.
Other Notable Features
- Runtime Repartitioning for AMDGPU Driver: Enhances the AMDGPU driver’s flexibility.
- Big/Super Page Support for Raspberry Pi Graphics Driver: Improves performance for Raspberry Pi devices.
- PCIe TPH for TLB Processing Hints: Enhances performance for AMD EPYC 9005 series processors.
- Intel GPU Temperature Reporting: Adds support for temperature reporting on Intel GPUs.
These updates and new features make Linux 6.13 a significant release, especially for those using AMD and Intel hardware.
ReiserFS
ReiserFS is a general-purpose, journaling file system initially designed by Hans Reiser and introduced in Linux kernel 2.4.1. It was the first journaling file system included in the standard Linux kernel. However, due to a lack of maintenance, technical issues, and its deprecation in 2022, it was removed from the Linux kernel 6.13.
ReiserFS, which was once a pioneering file system, has now been officially removed with Linux kernel 6.13. Those who still use ReiserFS-formatted disks will need to stick to earlier kernel versions to continue accessing their data.
ReiserFS’s removal marks the end of an era, largely due to its declining use and the lack of interest in its successors, Reiser4 and Reiser5. The focus has shifted towards more modern and actively developed file systems that offer better performance, reliability, and features.
A few months ago, Hans Reiser, the original developer of ReiserFS now incarcerated for murder, made a request from prison to amend the file system’s documentation. In a public letter, he apologized for his past mistakes and asked for the README file to be updated to credit Mikhail Gilula, Konstantin Shvachko, and Anatoly Pinchuk, whose contributions had previously been overlooked. This change was made in Linux 6.10, honoring Reiser’s request before the removal of ReiserFS from the mainline Linux kernel.
It’s an interesting and somewhat poignant moment in the history of Linux, reflecting both the evolution of technology and personal growth.
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