linux-kernel - Re: [PATCH 1/6] perf_counter: powerpc: Enable use of software counters on 32-bit powerpc

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Date:	Sat, 20 Jun 2009 12:32:06 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Kumar Gala <galak@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>, linuxppc-dev@...abs.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/6] perf_counter: powerpc: Enable use of software
	counters on 32-bit powerpc


* Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:

> On Wed, 2009-06-17 at 16:27 +0200, Ingo Molnar wrote:
> > I think it would be nice to have more platform support in .31. 
> > Perfcounters is a brand-new feature so there's no risk of 
> > regression. In the end it will depend on Linus to pull of course, 
> > and BenH can veto it too if he'd like no more PowerPC changes in 
> > this cycle. Worst-case it's all .32 material.
> 
> There have been little PowerPC changes in this cycle and I agree 
> with you on that it's a nice feature to have with little risk of 
> regression.

Ok - thanks - i'll push it to Linus probably later today.

> In fact, I also have an up-to-date (and hopefully working) 
> irqtrace/lockdep patch for 32-bit powerpc (we only do 64-bit right 
> now) that I'm considering merging this time around, the benefit it 
> brings is worth the risk I believe.

Nice :-)

	Ingo
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