linux-kernel - Re: [PATCH 00/14] kconfig: streamline distro configs for testers

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Message-ID: <20090821145406.GA3659@elte.hu>
Date:	Fri, 21 Aug 2009 16:54:06 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>,
	Arjan van de Ven <arjan@...radead.org>,
	Greg KH <greg@...ah.com>,
	"Luis R. Rodriguez" <mcgrof@...il.com>, zippel@...ux-m68k.org,
	linux-kbuild@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>,
	Jonathan Corbet <corbet@....net>,
	Alan Jenkins <sourcejedi.lkml@...glemail.com>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 00/14] kconfig: streamline distro configs for testers


* Steven Rostedt <rostedt@...dmis.org> wrote:

> 
> On Fri, 21 Aug 2009, Ingo Molnar wrote:
> > 
> > btw., the way i tested this in the past (and which i dont have time 
> > to test right now) is that i took a plain Fedora box with a regular 
> > rpm kernel booted up and typed:
> > 
> > 	make localyesconfig
> > 
> > and built it and then 1) checked the size of the .config (it should 
> > be much smaller than allyesconfig) and 2) tried to boot the 
> > resulting bzImage.
> 
> Did you check the size without the # comments?

hm, i dont remember precisely - but maybe i only considered the size 
of the file. Your patch would expand everything and then turn off 
the leafs, leaving a large (but still small ;-) .config in place, 
right?

> > It either didnt boot in the past, or had a very large .config. 
> > It would be nice if you could check whether it does on a box of 
> > yours. (maybe you already did that!)
> 
> I went back to your old config and I could not reproduce it. But I'll try 
> again with a new kernel rpm, and do the following:
> 
> # rpm -Uvh <some new kernel>
> # reboot    # to that new kernel
> $ git clone <latest-linus.git> linus.git
> $ cd linus.git
> $ make localyesconfig
> 
> and see what happens. Is this a good test for you?

Yes, of course. The whole patch-set is lovely and the sooner we put 
this upstream the better.

	Ingo
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