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Re: question about the kernel


On Thu, Aug 09, 2018 at 08:15:42AM +0100, mick crane wrote:
> Am I right in thinking that the kernel is a single codebase agreed between
> all the kernel developers at any particular date

No. As [1] shows us, there's a mainline branch (aka to-be-released
kernel), stable branch (aka released kernel) and longterm support
Also, anyone can make their own fork of the kernel. To name the most
used ones there are RedHat's fork and OpenWRT's fork.

> and that Linux
> distributions can take bits out from that for their release

Every Linux distribution effectively maintains their own branch of
kernel, Debian included.
AFAIK Slackware is one of distributions that tries to to maintain the
least deviation from the upstream possible.

> but shouldn't
> add bespoke stuff that isn't agreed by everybody else ?

Tell that to RedHat, which single-handedly implemented their own special
way of signing the kernel and its modules (and which was not accepted by
upstream). Or Novell with their kgraft. Or Oracle with ksplice and dtrace.


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