linux-kernel - Re: compiling of tools/perf fail on x86 64bit kernel and 32bit userspace

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Date:	Sat, 07 May 2011 16:46:40 +0200
From:	Riccardo Magliocchetti <riccardo.magliocchetti@...il.com>
To:	Lin Ming <minggr@...il.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: compiling of tools/perf fail on x86 64bit kernel and 32bit userspace

Hi there,

Il 07/05/2011 06:55, Lin Ming ha scritto:
> On Sat, May 7, 2011 at 12:54 AM, Riccardo Magliocchetti
> <riccardo.magliocchetti@...il.com>  wrote:
>> Hi,
>>
>> with latest git, i cannot compile perf on 32 bit userspace with a 64 bit
>> kernel.
>>
>> ~/src/linux-2.6/tools/perf$ make
>> PERF_VERSION = 2.6.39.rc6.224.g06d006f
>>     GEN common-cmds.h
>>     * new build flags or prefix
>>     CC perf.o
>>     CC builtin-annotate.o
>>     CC builtin-bench.o
>>     CC bench/sched-messaging.o
>>     CC bench/sched-pipe.o
>>     CC bench/mem-memcpy-x86-64-asm.o
>> bench/../../../arch/x86/lib/memcpy_64.S: Assembler messages:
>> bench/../../../arch/x86/lib/memcpy_64.S:28: Error: bad register name `%rdi'
>> bench/../../../arch/x86/lib/memcpy_64.S:33: Error: invalid instruction
>> suffix for `movs'
>
> Hi,
>
> I just send out a patch to fix this.
> https://lkml.org/lkml/2011/5/7/4
>
> Could you have a try it?

Works fine, thanks!

riccardo
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