linux-kernel - Regression: Can't compile x86_64 with 32 Bit userland: arch/x86/purgatory/purgatory.c:1:0: error: code model 'large' not supported in the 32 bit mode

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Message-ID: <20140820060423.GA14660@glanzmann.de>
Date:	Wed, 20 Aug 2014 08:04:24 +0200
From:	Thomas Glanzmann <thomas@...nzmann.de>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: Regression: Can't compile x86_64 with 32 Bit userland:
 arch/x86/purgatory/purgatory.c:1:0: error: code model 'large' not supported
 in the 32 bit mode

Hello,
I used to compile 64 Bit Kernel on 32 Bit Userland and until v3.16 it
worked. But with todays git head from Linus it does not:

(mini) [~/work/linux-2.6] make                                                                                                                                                                         scripts/kconfig/conf --silentoldconfig Kconfig
  CHK     include/config/kernel.release
  UPD     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  CC      arch/x86/purgatory/purgatory.o
arch/x86/purgatory/purgatory.c:1:0: error: code model 'large' not supported in the 32 bit mode
make[1]: *** [arch/x86/purgatory/purgatory.o] Error 1
make: *** [archprepare] Error 2

I'll do git bisect to identify the offending commit.

I'm using Debian Wheezy 7 32 Bit on x86 with gcc version 4.7.2 (Debian
4.7.2-5).

Cheers,
        Thomas
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