linux-kernel - Re: Preempt-RT patch for 2.6.25

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Message-ID: <alpine.LFD.1.10.0805060334220.3318@apollo.tec.linutronix.de>
Date:	Tue, 6 May 2008 03:54:45 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Daniel Walker <dwalker@...sta.com>
cc:	Steven Rostedt <rostedt@...dmis.org>,
	Sven-Thorsten Dietrich <sven@...bigcorporation.com>,
	Remy Bohmer <linux@...mer.net>,
	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>,
	Jon Masters <jonathan@...masters.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: Preempt-RT patch for 2.6.25

On Mon, 5 May 2008, Daniel Walker wrote:
> On Mon, 2008-05-05 at 23:01 +0200, Thomas Gleixner wrote:
> > We have been there before. kernel development does not follow the "we
> > want _now_" principle at all. Have you ever tried to yell at Linus "we
> > want XYZ _now_" ? If you decide to try it, please keep me on CC - I
> > want to enjoy the show.
> 
> Kernel development is "What is available now?" not what is avaiable in
> the future.
> 
> If you want to reject code you better have a reason other than "We're
> going to make some new code for that (some time in the future) sorry."

You miss the point. We reject code which breaks existing functionality.
 
> I'd like to hear Linus come out and say, "Sorry Thomas we can't include
> your HRT cause we're getting a newer HRT in three years, so sorry about
> that."

Good point. HRT is mainline and it went through 300+ patch queues
release cycles until the last bits got finaly merged.

I appreciate your competent input how to do mainline development on
large scale projects. In hindsight I regret that I did not hire you as
my personal "get HRT merged" assistant. That would have saved me a lot
of trouble and time.

Thanks,
	
	tglx
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