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

[Lin Ming]

On Sat, May 7, 2011 at 12:54 AM, Riccardo Magliocchetti
<riccardo.magliocchetti@xxxxxxxxx> 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?

Thanks,
Lin Ming
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