From: "H. Peter Anvin" <hpa@zytor.com>
To: Michal Marek <mmarek@suse.cz>
Cc: Andi Kleen <andi@firstfloor.org>, linux-kbuild@vger.kernel.org
Subject: Re: 32bit allyesconfig on 64bit system broke
Date: Wed, 28 Aug 2013 14:05:31 -0700 [thread overview]
Message-ID: <521E661B.1030802@zytor.com> (raw)
In-Reply-To: <520A97C1.6000708@suse.cz>
On 08/13/2013 01:32 PM, Michal Marek wrote:
> Dne 10.8.2013 00:57, Andi Kleen napsal(a):
>>
>> % linux32 make allyesconfig
>> % head .config
>> % head .config
>> #
>> # Automatically generated file; DO NOT EDIT.
>> # Linux/x86 3.11.0-rc4 Kernel Configuration
>> #
>> CONFIG_64BIT=y
>> CONFIG_X86_64=y
>> CONFIG_X86=y
>>
>> This used to work to give me a 32bit allyesconfig.
>> How am I supposed to do this now?
>
> This changed in ffee0de (x86: Default to ARCH=x86 to avoid overriding
> CONFIG_64BIT). The default $ARCH value on both ix86 and x86_64
> buildhosts is "x86" and CONFIG_64BIT is therefore a user-selectable
> knob. You can do
>
> make ARCH=i386 allyesconfig
>
> to force 32bit. Or the generic way:
>
> echo '# CONFIG_64BIT is not set' >base.config
> KCONFIG_ALLCONFIG=base.config linux32 make allyesconfig
>
"make ARCH=i386 allyesconfig" has been the standard way to do this for
quite a few years, so that is the forward and backwards compatible way.
-hpa
next prev parent reply other threads:[~2013-08-28 21:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-09 22:57 32bit allyesconfig on 64bit system broke Andi Kleen
2013-08-13 20:32 ` Michal Marek
2013-08-28 21:05 ` H. Peter Anvin [this message]
2013-08-29 6:03 ` Andi Kleen
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