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

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Message-Id: <20061228163127.8234fac9.randy.dunlap@oracle.com>
Date:	Thu, 28 Dec 2006 16:31:27 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Tim Schmielau <tim@...sik3.uni-rostock.de>
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 Fri, 29 Dec 2006 01:37:39 +0100 (CET) Tim Schmielau wrote:

> 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.

Yep, right, if I already had all of that cross-build stuff setup,
it wouldn't be a big deal.  But getting it all setup is a big deal
(to me).

> 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.

---
~Randy
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