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

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Date:	Mon, 3 May 2010 09:37:49 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	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


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * H. Peter Anvin <hpa@...or.com> wrote:
> 
> > On 05/02/2010 11:24 PM, Ingo Molnar wrote:
> > > 
> > > Pulled, thanks a lot!
> > > 
> > 
> > With this, core/hweight should work properly, I hope.
> 
> Ok, i merged that too - will let you know about any trouble.

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)

Thanks,

	Ingo
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