linux-kernel - Re: 2.6.25 new perfmon kernel patch + libpfm + pfmon available

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Message-ID: <20080429094218.170a349c@infradead.org>
Date:	Tue, 29 Apr 2008 09:42:18 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	"stephane eranian" <eranian@...glemail.com>
Cc:	linux-kernel@...r.kernel.org, ia64 <linux-ia64@...r.kernel.org>,
	"Robert Richter" <robert.richter@....com>
Subject: Re: 2.6.25 new perfmon kernel patch + libpfm + pfmon available

On Wed, 30 Apr 2008 15:51:39 +0200
"stephane eranian" <eranian@...glemail.com> wrote:

> If I recall, AMD said that this special initialization would
> eventually migrate into the core kernel. The pci_read() may be there
> because it was not exported by the kernel (this particular code lives
> in a kernel module).

... yet your patch adds an EXPORT_SYMBOL() just to make this specific function possible. Weird.

I find it hard to believe that there would be no code in the kernel to
read or write config space of a device you have..... :)
In fact I bet 80% of the drivers in the tree use it.

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