linux-kernel - Re: [PATCH 183/196] driver core: fix build with SYSFS=n

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Message-ID: <20080125231040.GC25074@suse.de>
Date:	Fri, 25 Jan 2008 15:10:40 -0800
From:	Greg KH <gregkh@...e.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 183/196] driver core: fix build with SYSFS=n

On Fri, Jan 25, 2008 at 11:57:23PM +0100, Ingo Molnar wrote:
> 
> * Greg KH <gregkh@...e.de> wrote:
> 
> > > Changes like this (and it now leaked into Linus' tree as well) kill 
> > > bisectability.
> > 
> > The odds that a "normal" person has sysfs turned off and modules 
> > enabled, trying to bisect things, is pretty slim :)
> 
> that "slim" combination is what i use for about 25% of all my bisections 
> - i build, boot and stress-test randconfig configs.
> 
> If i find a problem with a given .config, i do _not_ go around and 
> change the .config to make a bisection point work. (and the automated 
> bisection scripts definitely wont do it either.)
> 
> so what is a 'weird config' to you is a real testing barrier for others. 
> And crap like that quickly mounts up. Having a buildable and bootable 
> kernel at every bisection point is a _must_.
> 
> Please! :-)

Yes, I do agree that this is important, I'll work to not let this happen
again.  Especially now that I have your build scripts, I'm working on
setting up something like that myself here.

thanks,

greg k-h
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