linux-kernel - Re: 2.6.21-rc7-mm2 -- x86

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Date:	Thu, 26 Apr 2007 15:31:01 +0100
From:	mel@...net.ie (Mel Gorman)
To:	Andi Kleen <ak@...e.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Steve Fox <drfickle@...ibm.com>,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: 2.6.21-rc7-mm2 -- x86_64 VDSO compile error

On (26/04/07 16:11), Andi Kleen didst pronounce:
> On Thursday 26 April 2007 15:27:36 Mel Gorman wrote:
> > On (26/04/07 13:16), Andy Whitcroft didst pronounce:
> > > Getting the following on an x86_64 numa box:
> > > 
> > >   CC      arch/x86_64/vdso/vclock_gettime.o
> > > arch/x86_64/vdso/vclock_gettime.c:1: error: code model `small' not
> > > supported in the 32 bit mode
> 
> 32bit mode?  Something must be confused.
> 
> What gcc/binutils is that?

gcc -v
gcc version 3.4.4 20050314 (prerelease) (Debian 3.4.3-13sarge1)

ld -v
GNU ld version 2.15

> 
> Can you post V=1 output for that line please?

make -f scripts/Makefile.build obj=arch/x86_64/vdso
  gcc -Wp,-MD,arch/x86_64/vdso/.vclock_gettime.o.d  -nostdinc -isystem
/usr/lib/gcc/i486-linux/3.4.4/include -D__KERNEL__ -Iinclude  -include include/linux/autoconf.h  -mcmodel=small -fPIC -g0 -O2 -fasynchronous-unwind-tables     -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(vclock_gettime)" -D"KBUILD_MODNAME=KBUILD_STR(vclock_gettime)" -c -o arch/x86_64/vdso/vclock_gettime.o arch/x86_64/vdso/vclock_gettime.c
arch/x86_64/vdso/vclock_gettime.c:1: error: code model `small' not
supported in the 32 bit mode
make[1]: *** [arch/x86_64/vdso/vclock_gettime.o] Error 1
make: *** [arch/x86_64/vdso] Error 2

> 
> It works for me with gcc 4.1 and 3.3
> 

Will try the patch.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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