Linus Torvalds released the fifth candidate for Linux kernel 6.13 on December 29, 2024 (RC5). The 6.13 RC5 is smaller than previous versions, indicating that many developers take vacations during the holidays. There are fewer than 100 changes in RC5, focusing mainly on bug fixes and secondary enhancements.
In the official release notes for Kernel 6.13 RC5, Linus Torvalds wrote:
Another week passed and I was happy to report that it was obvious that most people seemed to be enjoying the holidays because rc5 was very small. We have fewer than a hundred non-merger commits this week, which is almost unheard of. Good job (or not enough).Catalog
- Main highlights
- But fixes and improvements
-
- File System
- Network
- Driver
- Memory and DMA
Try Linux kernel 6.13 RC5
Main Highlights
1. Size and Stability
- RC5 is one of the smallest versions to date.
- It contains less than 100 non-merged commits.
- The focus is on bug fixes and stability improvements, not new features.
2. Btrfs file system improvement
- Fixed use-after-free issue during a copy-write (COW) operation.
- Better handle memory mapped writes when exchanging files are activated.
- Enhance performance by allowing interrupt switching activation.
- Atomic improvements when quota is enabled.
3. DMA Engine Enhancement
- Updated Tegra, Loongson2 and AMD QDMA support.
- Improved error handling and hardware-specific compatibility fixes.
4. Audio and sound updates
- ALSA fix, including support for DMA buffer management.
- Realtek and Intel-specific sound card driver updates.
5. Peripheral device support
- Fixed HDMI PHY dependencies and USB PHY initialization issues.
- Updated I2C controller and NAND driver.
6. Power management improvements
- Fixed a bug in the power driver.
- Improved error handling of battery charging circuits.
7. Tracking and debugging enhancement
- Updated tracking mechanism for improved reliability.
- Fixed kernel document warning.
8. Architecture-specific changes
- Intel's Perf subsystem has updated new CPU architectures such as Clearwater Forest.
- PowerPC specific fix for VAS operation.
- x86 update to resolve the issue of missing ENDBRANCH directive.
File System
BtrfsReceived multiple stability fixes including:
- Avoid use-after-free error.
- Enhance quota management.
- Prevent core exclusiveness during swap file activation.
Network
- The issue of reusing delayed file handles was fixed in the SMB protocol.
- The update in NFS restores the callback function of NFSv4.0.
Driver
- Enhanced I2C, DMA and HDMI drivers for improved hardware compatibility.
- USB PHY initialize adjustments to prevent power problems.
Memory and DMA
- DMA engine tweaks for Loongson, AMD and Tegra platforms.
- Error handling improvements to prevent crashes.
Try Linux kernel 6.13 RC5
The next few weeks will focus on testing and bug fixes, as the final release of Linux kernel 6.13 is about to be released. Developers and users are encouraged to thoroughly test RC5 and report any issues.
You can download the Kernel 6.13-rc5 source code from the official Linux kernel archive or Linus Torvalds git tree .
The above is the detailed content of Linux Kernel 6.13 RC5: A Tiny Release For A Holiday Week. For more information, please follow other related articles on the PHP Chinese website!

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