linux-kernel - Re: [PATCH 0/5] perf inject + say no to __KERNEL_

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Message-ID: <20100503081313.GA7111@liondog.tnic>
Date:	Mon, 3 May 2010 10:13:13 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Tom Zanussi <tzanussi@...il.com>
Subject: Re: [PATCH 0/5] perf inject + say no to __KERNEL__ only stuff

From: Ingo Molnar <mingo@...e.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.
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