Linus Torvalds announced the release of Linux kernel version 6.10 codenamed "Baby Opossum Posse". This latest stable release comes after the release of seven versions of the release, bringing a lot of improvements and bug fixes for a variety of subsystems.

Table of contents

• Linux Kernel 6.10: Change Summary
• Linux Kernel 6.10 Development: Key Updates from RC1 to RC7
  • RC1:
  • RC2:
  • RC3:
  • RC4:
  • RC5:
  • RC6:
  • RC7:
• Looking to the future
• Install Linux kernel 6.10

Version Highlights

There were some unexpected activities in the last week of development, especially in the file system field. About one-third of the patches are file system-related, and bcachefs and netfs receive a lot of attention. While this final surge is not common, Torvalds noted that the changes do not seem particularly worrying.

Another third of the patches are concentrated on the driver , while the remaining changes are distributed across the kernel. Despite the surge in activity in the final stage, Torvalds saw no need to extend the release cycle with additional candidates.

Linux Kernel 6.10: Change Summary

Linux kernel version 6.10 contains many updates and fixes. Some notable changes include:

1. Improvements to the bcachefs file system, including fixing fragmentation issues and log handling.
2. Enhancements to the USB subsystem , including support for new devices and bug fixes for various USB drivers.
3. Updates to network drivers and protocols , including improvements to TCP processing and fixes to bnxt drivers.
4. Various ARM64 device tree updates , especially for the Qualcomm platform.
5. Improvements to scheduler, including fixing deadline scheduling and updating PSI (pressure pause information) accounting.
6. Enhancements to memory management , including updating big page processing and fixing page caching issues.

Linux Kernel 6.10 Development: Key Updates from RC1 to RC7

Here is a summary of key points and updates for each candidate version of Linux kernel 6.10 :

RC1:

1. Assign a new code name: "Baby Opossum Posse"
2. Improved XFS online repair function
3. Performance optimization for AMD and Intel CPUs
4. Better AMDKFD compute driver support for "small" Ryzen APUs
5. Extended support for USB to parallel port adapters
6. Qualcomm Snapdragon X Elite chip enables work
7. Disable outdated NFS v2 client support by default
8. IO_uring Zero Copy Performance Enhancement
9. Added Steam Deck IMU support
10. Removed legacy DEC Alpha hardware support

RC2:

1. One-third of the changes are focused on driver fixes
2. One third of the changes are specifically used for file system repair, mainly bcachefs
3. Major bcachefs improvements and bug fixes
4. Refactoring and splitting of various format files in bcachefs

RC3:

1. Ethernet driver fixes and enhancements
2. Solved SMB client issues and introduced improvements
3. Updated BPF self-test
4. Various file system improvements
5. Most of the changes focus on KVM-related fixes

RC4:

1. vfio pci memory map code fix
2. FireWire subsystem tracking point implementation update
3. More bcachefs file system repairs
4. Solved the Cachefiles subsystem issue
5. The focus is on stabilizing the upcoming 6.10 kernel version

RC5:

1. Device driver changes account for one-third of the modifications
2. Specific driver updates for Hyper-V balloon, Broadcom's bnxt network and Qualcomm PHY
3. Many bcachefs file system repairs and improvements
4. Network self-test improvement
5. Virtual Memory (VM) Enhancement

RC6:

1. Most of the changes are focused on various device drivers
2. Architecture-specific tuning for compatibility system calls
3. Further improvements to the bcachefs file system
4. BPF subsystem updates and self-test improvements
5. A series of rollbacks in the TTY/Serial subsystem

RC7:

1. Strengthened TCP metric verification for security
2. Fixed the Bonding driver ARP IP target setting feature
3. Btrfs and EROFS file system updates
4. DRM subsystem improvements for AMD and NVIDIA drivers
5. Intel Wi-Fi Driver Enhancement
6. ARM64 and RISC-V architecture specific updates
7. Improved Bluetooth HCI event handling and L2CAP capabilities

These candidate versions show progress in repairs, improvements and optimizations to a variety of subsystems, with particular focus on drivers, file systems (especially bcachefs), and architecture-specific enhancements.

Looking to the future

With the release of 6.10, the merge window for Linux kernel 6.11 is now open . Torvalds noted that time coincides with the start of the European summer holiday, which could affect the speed of contribution of the next development cycle.

As always, users and developers are encouraged to test new kernels and report any issues they have. The Linux kernel community continues to work tirelessly to improve the stability, security, and performance of the world's most widely used open source operating systems.

Install Linux kernel 6.10

Linux kernel 6.10 has just been released! It is not available in the official repository. I recommend waiting a few days for the Linux distribution to package kernel 6.10 and include it in its repository.

For impatient users, you can install Linux kernel 6.10 from source, but it is not recommended to do so on production systems, as it may break your system and you will not be able to receive future updates.

Ubuntu and its derivative users can use Ubuntu Mainline PPA to install the latest mainline kernel. For more details, see the following link:

• How to install the latest mainline Linux kernel on Ubuntu

resource :

• Linux Kernel 6.10 Release Notes

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