
What x86S, FRED & APX Mean for Linux Kernel Support
APX, FRED, and x86S are reshaping x86 at the ISA level. Here's what Linux developers actually need to know about kernel and toolchain support.
The Linux kernel serves as the fundamental engine powering everything from global cloud infrastructure and enterprise servers to modern consumer devices. As the core of the open-source operating system ecosystem, its rapid evolution constantly redefines computing performance, security standards, and cross-platform compatibility. Staying updated on kernel-level innovations is vital for developers, systems engineers, and technology professionals who must understand how low-level software interacts with next-generation hardware. Here, you will find comprehensive technical analysis, ecosystem news, and practical guides centered on modern Linux kernel development. Our curated coverage explores major architectural advancements, including the transition from the CFS scheduler to the EEVDF algorithm to optimize CPU scheduling and system latency. Discover how developers are expanding hardware boundaries with practical guides on running Linux on Apple M3 architecture, and explore forward-looking paradigms such as WebAssembly support directly within the kernel space. Additionally, we examine crucial kernel security challenges, investigating how vulnerabilities are managed without traditional advance warning systems, alongside pivotal maintainer transitions across essential networking subsystems like CIFS and SMB3. Whether you are optimizing enterprise workloads, auditing system security, or tracking the frontier of open-source innovation, these insights provide the context you need. Explore our collection of articles below to deepen your technical knowledge and stay ahead of the latest breakthroughs shaping the Linux kernel.

Linux 7.3-rc1 is out. Here's how to test it safely on a VM or spare partition, and how to report regressions so they actually get fixed.

Don't wait for your distro's next release. Here's how to safely install and test the Linux 7.3 mainline kernel, and roll back if it breaks.

Kernel CVE counts are climbing toward 2,000 per release. Here's the actual mechanism behind the surge, and how to judge real risk versus noise.

FAMFS turns shared CXL memory into a file multiple servers can map directly. Here's what it actually does and who needs it.

Linux's longtime CIFS/SMB3 maintainer has stepped back. Find out who's now merging patches, triaging bugs, and keeping the Microsoft interop pipeline open.

After decades leading Linux's CIFS/SMB3 code, Steve French steps down. Here's what his exit means for Linux-Windows file sharing going forward.

Redox OS just swapped schedulers and claimed huge fairness gains. Here's what EEVDF actually does differently from CFS, and why it matters for Linux too.

M3 MacBooks can finally boot Linux at the kernel level. Here's what Asahi Linux really supports today, what's still broken, and how to try it.

When Linux kernel vulnerabilities emerge, distributions receive zero advance notice. This creates a critical security window between disclosure and patching that affects billions of devices worldwide.

Discover how WebAssembly (WASM) architecture support in the Linux kernel enhances performance and security for modern applications.