linux-kernel - Re: [PATCH] remove 556 unneeded #includes of sched.h

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Message-ID: <Pine.LNX.4.63.0612290131500.27367@gockel.physik3.uni-rostock.de>
Date:	Fri, 29 Dec 2006 01:37:39 +0100 (CET)
From:	Tim Schmielau <tim@...sik3.uni-rostock.de>
To:	Randy Dunlap <randy.dunlap@...cle.com>
cc:	Russell King <rmk+lkml@....linux.org.uk>,
	Al Viro <viro@....linux.org.uk>, Andrew Morton <akpm@...l.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] remove 556 unneeded #includes of sched.h

On Thu, 28 Dec 2006, Randy Dunlap wrote:
> On Thu, 28 Dec 2006 21:48:30 +0000 Russell King wrote:
> > On Thu, Dec 28, 2006 at 01:32:46PM -0800, Randy Dunlap wrote:
> > > On Thu, 28 Dec 2006 21:34:38 +0000 Russell King wrote:
> > > > The whole "all*config" idea on ARM is utterly useless - you can _not_
> > > > get build coverage that way.
> > > 
> > > Uh, can J. Random Developer submit patches to the ARM build system
> > > for testing?
> > 
> > Given that it takes about 8 to 12 hours to do a build cycle, that's
> > not practical.  The only real solution is for us to accept that
> > breakage will occur (and be prepared to keep a steady stream of
> > fixes heading into Linus' tree - which has been ruled out by Linus)
> > or J. Random Developer has to build a set of affected ARM defconfigs
> > themselves.
> 
> I guess I don't get it.  Isn't that what we just went thru
> with the struct nightmare^W work_struct changes?
> But these header file changes are much simpler and more obvious...

Well, I think it's practical to build all arm configs yourself. I'll do 
that for my sched.h #include changes. It's been less that two hours since 
I started the builds on two cpus and I already got 35 out of 59 configs.

It's just that one has to be aware of it. Before Russell's post the 
situation on arm seemed so confusing to me that I thought I'd just 
compile allnoconfig, defconfig, allmodconfig and allyesconfig and let the 
arm people figure out the rest.

Tim
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