The latest release of the Linux kernel, version 6.16, has officially launched, but surprisingly, it comes without any significant new features. Instead, this version boasts a massive size, featuring over 38 million lines of code spread across more than 78,000 files.
Despite the lack of blockbuster features, there are noteworthy updates included. This version enhances Rust integration, with new bindings for the driver core and PCI subsystem, as well as incorporating Rust into the Direct Rendering Management (DRM) system for memory management and infrastructure related to device drivers for major GPU vendors.
File systems like XFS and ext4 also see improvements in this release. The XFS file system gains support for large atomic writes, aiming to prevent data write errors, while ext4 benefits from faster commit paths, large folio support, and atomic multi-fsblock writes, boosting performance by approximately 37% for sequential I/O workloads.
A particularly beneficial update for users is the ability to stream audio over USB, even while the system is in sleep mode.
On the security front, kernel 6.16 bolsters support for Intel’s Trusted Execution Technology (TXT) and Trusted Domain Extensions (TDX), along with enhanced support for AMD’s Secure Encrypted Virtualization and Secure Memory Extensions. These upgrades facilitate confidential computing, which involves encrypting software memory and enhancing cloud security through virtual machine memory encryption.
For further details, refer to Linus Torvalds’ official release statement.
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