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

Dec 3, 2025 · Unless you downloaded, compiled and installed your own version of kernel from kernel.org, you are running a distribution kernel. To find out the version of your kernel, run …

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 …

There are a great many reasons why kernel code should be merged into the official (“mainline”) kernel, including automatic availability to users, community support in many forms, and the …

The Linux kernel source tree has a large range of documents that are invaluable for learning how to interact with the kernel community. When new features are added to the kernel, it is …

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 …

The maintainers of the various kernel subsystems — and also many kernel subsystem developers — expose their current state of development in source repositories.

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 …

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.