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The recently released Linux kernel 6.9 offers several improvements that will be of particular interest to developers, such as expanded file system capabilities and better support for modern
The recently released Linux kernel 6.9 offers several improvements that will be of particular interest to developers, such as expanded file system capabilities and better support for modern CPUs.
Linux Kernel 6.9 was released with several improvements, mostly in the background. Although these improvements are not immediately visible to the end user, they contribute to a more efficient and stable experience.
One of the notable changes, according to The Register, is the introduction of a new pass-through mechanism for FUSE file systems that accelerates the performance of certain views of the underlying file systems.
Another important addition is the integration of the dm-vdo tool into the kernel. Originally developed by Permabit and later acquired by Red Hat in 2017, this tool offers features such as block-level deduplication, compression, empty block elimination, and thin provisioning. These features are now available for all file systems directly in the kernel, potentially increasing efficiency.
The kernel update also includes new support for Intel’s FRED technology, which enables faster switching between CPU security rings, as well as improved support for AMD’s Secure Nested Paging. Additionally, there are new features for kernel developers with the introduction of process file descriptors (PIDFDs) and a pseudo file system called pidfdfs.
A key technological step is the updated support for the Rust programming language to version 1.76.0, which can now also be used on Arm64 architectures when compiled with Clang. This is an extension of traditional GCC compilation that also provides new functionality for managing different memory types in embedded processors.
With these updates, Linux Kernel 6.9 continues to pave the way for future technological developments while refining and improving existing systems. This is especially important for developers and users of the latest CPU models who can expect better performance and power management. Linus Torvalds specifically mentions Intel Core Ultra processors (Meteor Lake) and AMD Epyc 4 in his blog.
Source: IT Daily
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