linux-kernel - Re: [PATCH] basic perf support for sparc

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Message-ID: <20090802203314.GA3986@elte.hu>
Date:	Sun, 2 Aug 2009 22:33:14 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Kyle McMartin <kyle@...artin.ca>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Anton Blanchard <anton@...ba.org>, davem@...emloft.net,
	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl,
	fweisbec@...il.com, benh@...nel.crashing.org,
	penberg@...helsinki.fi, vegard.nossum@...il.com, paulus@...ba.org,
	williams@...hat.com
Subject: Re: [PATCH] basic perf support for sparc


* Kyle McMartin <kyle@...artin.ca> wrote:

> On Sun, Aug 02, 2009 at 09:50:43PM +0200, Ingo Molnar wrote:
> > We are sticking to a given version of the API. We could turn that 
> > into a function pointer and fill it in during startup via dlopen(). 
> > If it's NULL then we dont call it and assume a value of NULL.
> > 
> > Mind submitting such a version of your fix? It would nicely decrease 
> > the build requirements cross section surface of perf.
> > 
> 
> Assuming I remember how to use dlopen/dlsym, this might work. 
> Unfortunately I can't easily test anything this weekend, so I 
> don't actually know if it works... but it links ok.

looks good to me. Arnaldo, mind picking this up?

	Ingo
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