Tue. Dec 7th, 2021


The most recent Linux kernel has been launched with a few options that ought to have critical attraction to enterprise customers and admins alike.

Linux logo in purple

Picture: PegasuStudio/Shutterstock

The most recent Linux kernel has been launched and it has lots to supply customers and admins alike. However this specific launch will likely be notably pleasing to those that use Linux as both a file-sharing server or a tool that should hook up with and use NTFS-partitioned drives. On prime of those headline modifications, there are different new additions and enhancements to be discovered.

Let’s dive in and discover out what they’re.

SEE: 5 Linux server distributions try to be utilizing (TechRepublic Premium)

NTFS is essential

Crucial function to return to the 5.15 kernel is the brand new NTFS file system driver, named NTFS3. Previous to this launch, anybody who used NTFS file methods needed to rely upon the ntfs-3g user-space driver, which was buggy, sluggish, and lacked a number of key options. With NTFS3 (which was boosted by code from Paragon Software program), customers will discover:

  • A lot-improved read-write help
  • NTFS journal replaying
  • Acl help
  • Assist for regular, compressed, and sparse information
  • Assist for creation date of NTFS information and folders from a Home windows drive.

Granted, most individuals have moved past NTFS and to exFAT, however that does not imply there is not a necessity for NTFS help. And on condition that Paragon Software program has dedicated to sustaining this new kernel drive transferring ahead, it is clear NTFS help will proceed to play a job.

In-kernel SMB server

The most recent Linux Kernel additionally features a new in-kernel SMB file service. The purpose of ksmbd is to not exchange Samba, however to supply a light-weight and quick kernel module that’s appropriate with user-space instruments and libraries. This new in-kernel server is able to a lot sooner SMB3 file serving and helps extra options (similar to RDMA help for SMB Direct) which might be carried out instantly inside the kernel. 

{Hardware} help

As we have come to count on, with every new kernel launch, there’s new {hardware} to be supported. Linux kernel 5.15 is not any exception. The record of added or improved {hardware} help consists of:

  • Enhancements for AMD CPUs and GPUs (temperature monitoring help added for AMD Zen 3 APU (Accelerated Processing Unit).
  • Audio driver for Van Gough APU.
  • Assist for extra RDNA2 graphics playing cards (next-gen AMD graphics playing cards ought to work out of the field).
  • Intel Alder Lake (twelfth gen Intel CPUs) help added (together with the addition of the Time Coordinated Computing driver used to change the efficiency of Intel CPUs).
  • Preliminary help for Intel DG2/Alchemist Discrete Graphics and XeHP (next-gen Intel Xeon processors for HPC platforms).
  • Improved Apple M1 help (IOMMU driver merged, in addition to USB and PCIe help added)
  • Groundwork help added for AMD Cyan Skillfish graphics
  • Optimization of C3 Cache dealing with in AMD CPUs
  • AMD PTDMA driver merged to help high-bandwidth memory-to-memory and I/O copy operations.
  • Assist for Realtek RTL8118EU WiFi driver
  • Assist for Cirrus Logic Dolphin audio units
  • Assist for NVIDIA Jetson TX2 NX dev package.

Miscellaneous additions

A couple of different notable additions that arrive with the 5.15 kernel embody help for Amazon’s DAMON (Knowledge Entry Monitor) which improves efficiency whereas lowering reminiscence, help, optimizations for the XFS, EXT4, F2FS, and Btrfs file methods, help for high-resolution scrolling with the Apple Magic Mouse, and help for energy profiles on sure Acer laptops.

Must you set up 5.15?

In a phrase, no. Your finest guess is to attend till the kernel is made out there through your Linux distribution of alternative. Though you possibly can obtain and compile the newest kernel, it will not be upgradable by your distribution’s package deal supervisor. 

When you use a rolling launch, similar to Arch or openSUSE Tumbleweed, you’ll obtain the 5.15 kernel a lot ahead of in case your distribution of alternative is a static launch. We’d discover kernel 5.15 land in Ubuntu 22.04, which will likely be launched in late April 2022. So, until you have got a completely urgent want for these latest additions, your finest guess is to carry off till your distribution maintainers embody 5.15 within the official launch.

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