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Date: Mon, 3 May 2010 10:13:13 +0200
From: Borislav Petkov <bp@alien8.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
       Arnaldo Carvalho de Melo <acme@infradead.org>,
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       Arnaldo Carvalho de Melo <acme@redhat.com>,
       Fr??d??ric Weisbecker <fweisbec@gmail.com>,
       Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Tom Zanussi <tzanussi@gmail.com>
Subject: Re: [PATCH 0/5] perf inject + say no to __KERNEL__ only stuff
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From: Ingo Molnar <mingo@elte.hu>
Date: Mon, May 03, 2010 at 09:37:49AM +0200

> It broke half of the non-x86 architectures. For example on Sparc defconfig:
> 
> In file included from /home/mingo/tip/include/asm-generic/bitops/hweight.h:4,
>                  from /home/mingo/tip/arch/sparc/include/asm/bitops_32.h:103,
>                  from /home/mingo/tip/arch/sparc/include/asm/bitops.h:6,
>                  from /home/mingo/tip/include/linux/bitops.h:17,
>                  from /home/mingo/tip/include/linux/kernel.h:15,
>                  from /home/mingo/tip/include/linux/sched.h:54,
>                  from /home/mingo/tip/arch/sparc/kernel/asm-offsets.c:13:
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h: In function '__arch_hweight32':
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h:8: error: implicit declaration of function '__sw_hweight32'
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h: In function '__arch_hweight16':
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h:13: error: implicit declaration of function '__sw_hweight16'
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h: In function '__arch_hweight8':
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h:18: error: implicit declaration of function '__sw_hweight8'
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h: In function '__arch_hweight64':
> /home/mingo/tip/include/asm-generic/bitops/arch_hweight.h:23: error: implicit declaration of function '__sw_hweight64'
> 
> (the failure on other architectures looks similar)

Looks like we're missing the __sw_hweightXX prototype definitions in
that include maze. Ingo, which -tip branch is that and can you put it
somewhere for me to test?

Thanks.

-- 
Regards/Gruss,
    Boris.