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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Do new patches that are incorporated in the "stable tree" of older kernel versions make it back into the distros? (kbin.social)

submitted 10 months ago* (last edited 10 months ago) by TingoTenga@kbin.social to c/linux@lemmy.ml

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Hi! This is a bit of a newbie question, so please bear with me.

I purchased a laptop that has a specific hardware issue under Linux (the keyboard does not function). A patch fixing the issue was approved for 6.8 and incorporated in the "stable tree" of older kernels: 5.4, 5.10, 5.15, 6.6, 6.7, etc.

My question is: Do distros ship with an updated kernel that incorporates all the patches? Or does the user need to update after installation for the patches to be applied? I imagine that it may perhaps vary from distro to distro, but I honestly don't know.

The question is relevant for me because, potentially, I would have to install the actual distro and update, rather than just try out a live version.

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[–] taladar@sh.itjust.works 20 points 10 months ago* (last edited 10 months ago) (11 children)

The distros usually take care of that, often they add or backport additional patches too but the patches in the stable upstream kernel your distro kernel is based on are incorporated as well (unless there is specific reason to revert them because the patch is known to cause more issues than it fixes). Obviously only as long as the distro is fully supported, after that it might depend on the exact LTS policy or if it is completely out of support you should get a new version of the distro.

[–] TingoTenga@kbin.social 2 points 10 months ago

Thanks, I appreciate the comment. It is logical that there is not one-size-fits-all approach. I will dig into the specifics of distros of interest for more information.

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