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From: Matthias Schniedermeyer <ms@citd.de>
To: Christoph Hellwig <hch@infradead.org>
Cc: Jaswinder Singh Rajput <jaswinderlinux@gmail.com>,
	Sam Ravnborg <sam@ravnborg.org>, Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	the arch/x86 maintainers <x86@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: config automatically switches from 32-bit to 64-bit for x86
Date: Thu, 27 May 2010 18:11:34 +0200	[thread overview]
Message-ID: <20100527161134.GA2690@citd.de> (raw)
In-Reply-To: <20100527154916.GA5585@infradead.org>

On 27.05.2010 11:49, Christoph Hellwig wrote:
> On Thu, May 27, 2010 at 05:37:36AM +0530, Jaswinder Singh Rajput wrote:
> > Hello,
> > 
> > I am trying to build 32 bit kernel image on 64-bit machine but after
> > 'make menuconfig' it automatically switches 32-bit to 64-bit.
> > 
> > Is this a BUG or did intentionally.
> 
> I think it's intentional, but I'm really annoyed by this behaviour.
> I really don't want my config to change from a normal make depending
> on uname output.  We do have a CONFIG_64BIT in .config which should
> be respected.  uname output is a good indicator for a previously
> unconfigured kernel, but shouldn't change settings for a fully
> congigured build.  Forgetting the linux32 command happens at least two
> dozen times to me everyday, leading to a few lost seconds that add
> up in the end.

Just use ARCH=x86. That ARCH respects CONFIG_64BIT from .config and 
"CONFIG_64BIT" is a config-option (the very first in menuconfig)





Bis denn

-- 
Real Programmers consider "what you see is what you get" to be just as 
bad a concept in Text Editors as it is in women. No, the Real Programmer
wants a "you asked for it, you got it" text editor -- complicated, 
cryptic, powerful, unforgiving, dangerous.


  reply	other threads:[~2010-05-27 16:11 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-27  0:07 config automatically switches from 32-bit to 64-bit for x86 Jaswinder Singh Rajput
2010-05-27  0:13 ` Rafael J. Wysocki
2010-05-27  4:09   ` Jaswinder Singh Rajput
2010-05-27  4:31     ` Américo Wang
2010-05-27  5:23       ` Jaswinder Singh Rajput
2010-05-27  9:03         ` Américo Wang
2010-05-27  5:31       ` Randy Dunlap
2010-05-27 16:19         ` Geert Uytterhoeven
2010-05-27 20:21           ` Rafael J. Wysocki
2010-05-27 15:19   ` Matthias Schniedermeyer
2010-05-27 15:49 ` Christoph Hellwig
2010-05-27 16:11   ` Matthias Schniedermeyer [this message]
2010-05-27 16:13     ` Christoph Hellwig
2010-05-27 16:35       ` Matthias Schniedermeyer
2010-05-27 18:46   ` Sam Ravnborg
2010-05-27 22:07     ` Jaswinder Singh Rajput
2010-05-29 11:19       ` Sam Ravnborg
2010-05-29 17:19         ` Jaswinder Singh Rajput
2010-06-02  8:20           ` Américo Wang
2010-06-02  8:50             ` Sam Ravnborg
2010-06-03 13:30     ` Michal Marek
2010-06-04  6:23       ` Jaswinder Singh Rajput
2010-06-04  7:53         ` Michal Marek
2010-06-06  4:14           ` Jaswinder Singh Rajput

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