Re: Linux 2.5.75

From: Linus Torvalds (
Date: Thu Jul 10 2003 - 18:25:50 EST

On Fri, 11 Jul 2003, Russell King wrote:
> Absolutely no surprise. In any case, the long development cycle isn't
> what ARM stuff needs.

Well, nothing really _wants_ a long development cycle. I suspect any
particular feature taken on its own always wants the shortest possible
development cycle, and that what ends up happening is just that there are
a lot of interdepencies and just plain "different" development-cycles.

Which is not a bad thing per se, and pretty clearly is unavoidable. So
I'm not complaining. It's just a fact of life.

I think that the best way to "solve" the problem is to partially ignore
it, and I don't think it's a bad thing that we have many different trees,
and some of them are less strongly coupled to others - exactly to handle
the inevitable case of release cycle lag.

For example, I absolutely detest the BSD "world" model, which actually
makes these problems bigger by tying different projects together into one
tree. I think it's much more important to try to have as much freedom as
possible, including very much having separate timetables and development

> Hasn't ever, I'm afraid. I can't think of any stock kernel which has
> been usable, let alone been compilable for ARM. Which, IMO, is a pretty
> sorry statement to make.

You see that as a sorry statement, but I don't think it's a failure. Why
_should_ one tree have to try to make everybody happy? We want to try to
make it easier to keep the couplings in place by striving for portable
infrastructure etc, but we would only be hampered by a philosophy that
says "everything has to work in tree X", since that just means that you
can't afford to break things.

I'd much rather keep the freedom to break stuff, and have many separate
trees that break _different_ things, and let them all co-exist in a
friendly rivalry.

And my tree is just one tree in that forest.

So it's not a bug - it's a FEATURE!


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