linux-kernel - Re: [PATCH 1/2] Separate the performance counter allocation from the LAPIC NMI watchdog

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Date:	Wed, 20 Jun 2007 14:31:43 +0200
From:	Andi Kleen <ak@...e.de>
To:	Björn Steinbrink <B.Steinbrink@....de>
Cc:	eranian@....hp.com, oprofile-list@...ts.sourceforge.net,
	wcohen@...hat.com, perfmon@...ali.hpl.hp.com,
	linux-kernel@...r.kernel.org, levon@...ementarian.org,
	akpm@...ux-foundation.org, mingo@...e.hu
Subject: Re: [PATCH 1/2] Separate the performance counter allocation from the LAPIC NMI watchdog

On Wednesday 20 June 2007 12:35:56 Björn Steinbrink wrote:
> The performance counter allocator is tied to the LAPIC NMI watchdog,

That's not true. It's completely independent. It just happens to be in
the same file, but it has no direct functional ties to the watchdog.


> Fix the performance counter allocator by making it independent of the
> LAPIC NMI watchdog. This also fixes a bug in the LAPIC NMI watchdog
> which allocated the wrong performance counter on CPUs with PerfMon
> support.

Combining code movement with functional fixes makes it impossible
to review properly. Don't do that please.

-An
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