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From: Michal Marek <mmarek@suse.cz>
To: Jaswinder Singh Rajput <jaswinderlinux@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>,
	Christoph Hellwig <hch@infradead.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: Fri, 04 Jun 2010 09:53:41 +0200	[thread overview]
Message-ID: <4C08B105.5050203@suse.cz> (raw)
In-Reply-To: <AANLkTik_QtJQKWYSYcFgjFvNjlqOWMV5iqBGeQeu4SuI@mail.gmail.com>

On 4.6.2010 08:23, Jaswinder Singh Rajput wrote:
> Hello Michal and Sam,
> 
> On Thu, Jun 3, 2010 at 7:00 PM, Michal Marek <mmarek@suse.cz> wrote:
>> What about always making the prompt visible, so that the previously set
>> value gets reused? The downside is that 'make ARCH=i386 menuconfig' in a
>> clean tree on x86_64 will default to 64bit, because it will find the
>> setting in the config of the running 64bit kernel :(. But after manually
>> turning CONFIG_64BIT off, the setting will be preserved.
>>
>> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
>> index dcb0593..05ec418 100644
>> --- a/arch/x86/Kconfig
>> +++ b/arch/x86/Kconfig
>> @@ -3,7 +3,7 @@ mainmenu "Linux Kernel Configuration for x86"
>>
>>  # Select 32 or 64 bit
>>  config 64BIT
>> -       bool "64-bit kernel" if ARCH = "x86"
>> +       bool "64-bit kernel"
>>        default ARCH = "x86_64"
>>        ---help---
>>          Say yes to build a 64-bit kernel - formerly known as x86_64
>>
> 
> This patch works !!

Does
$ make mrproper
$ make ARCH=i386 menuconfig
on x86_64 also work for you? Here, it takes CONFIG_64BIT=y from
/boot/config-`uname -r`. I see no easy way to solve this atm.

Michal

  reply	other threads:[~2010-06-04  7:53 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
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 [this message]
2010-06-06  4:14           ` Jaswinder Singh Rajput

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