linux-kernel - Re: [PATCH 1/4] perf, x86: Add Intel Nehalem/Westmere uncore pmu

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Date:	Mon, 04 Jul 2011 10:38:50 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Lin Ming <ming.m.lin@...el.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Ingo Molnar <mingo@...e.hu>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] perf, x86: Add Intel Nehalem/Westmere uncore pmu

On Mon, 2011-07-04 at 14:39 +0800, Lin Ming wrote:
> > Does this really need to be a raw spinlock? 
> 
> I think spinlock is enough. 

No, raw_spinlock_t was correct.

Talking of which:

+       struct spinlock lock;

That too should be a raw_spinlock_t.
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