Dec 21, 2025 · This site is operated by the Linux Kernel Organization, a 501 (c)3 nonprofit corporation, with support from the following sponsors.

This is the beginning of a section with information of interest to application developers and system integrators doing analysis of the Linux kernel for safety critical applications.

The following manuals are written for users of the kernel — those who are trying to get it to work optimally on a given system and application developers seeking information on the kernel’s …

Linux kernel for ARC processors Feature status on arc architecture ARM Architecture ARM Linux 2.6 and upper Booting ARM Linux Cluster-wide Power-up/power-down race avoidance …

Dec 3, 2025 · These kernel releases are not hosted at kernel.org and kernel developers can provide no support for them. It is easy to tell if you are running a distribution kernel.

Jan 7, 2025 · Work on relieving the rtnl_lock pressure has continued throughout the year. The rtnl_lock is often mentioned as one of the biggest global locks in the kernel, as it protects all of …

Note the kernel will remain tainted even after you undo what caused the taint (i.e. unload a proprietary kernel module), to indicate the kernel remains not trustworthy.

The Linux kernel began transitioning to EEVDF in version 6.6 (as a new option in 2024), moving away from the earlier Completely Fair Scheduler (CFS) in favor of a version of EEVDF …

NT synchronization primitive driver ¶ This page documents the user-space API for the ntsync driver. ntsync is a support driver for emulation of NT synchronization primitives by user-space …

Feb 6, 2022 · You can determine if your kernel currently has firmware loader support by looking for the CONFIG_FW_LOADER definition on your kernel’s .config file. In addition to having the …