On Sat, Oct 30, 2010 at 06:08, Arnaldo Carvalho de Melo
<[email protected]> wrote:
> Em Fri, Oct 29, 2010 at 09:49:11PM +0200, Peter Zijlstra escreveu:
>> On Sat, 2010-10-30 at 01:01 +0900, Hitoshi Mitake wrote:
>> > +++ b/arch/x86/lib/memcpy_64.S
>> > @@ -1,10 +1,23 @@
>> > ?/* Copyright 2002 Andi Kleen */
>> >
>> > +/*
>> > + * perf bench adoption by Hitoshi Mitake
>> > + * PERF_BENCH means that this file is included from
>> > + * the source files under tools/perf/ for benchmark programs.
>> > + *
>> > + * You don't have to care about PERF_BENCH when
>> > + * you are working on the kernel.
>> > + */
>> > +
>> > +#ifndef PERF_BENCH
>>
>> I don't like littering the actual kernel code with tools/perf/
>> ifdeffery..
>
> Yeah, this kind of problem appeared in the past, we can't use things
> that weren't specifically designed to be shared, the discussion about
> how to properly share things between the kernel and things in tools
> still has to happen.
OK, it seems that I have to consider better solution.
Could you tell me about the past problem for reference?
Your experience must be useful for this case.
--
Hitoshi Mitake
[email protected]