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Message-ID: <20080508101113.GB3267@erda.amd.com> Date: Thu, 8 May 2008 12:11:14 +0200 From: Robert Richter <robert.richter@....com> To: Arjan van de Ven <arjan@...radead.org> Cc: stephane eranian <eranian@...glemail.com>, linux-kernel@...r.kernel.org, ia64 <linux-ia64@...r.kernel.org> Subject: Re: 2.6.25 new perfmon kernel patch + libpfm + pfmon available On 29.04.08 09:42:18, Arjan van de Ven wrote: > 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. Access to extended config space for AMD northbridges was not yet implemented. Recent patches from Yinghai Lu fix this. I will send a patch that uses the in-kernel functions. -Robert -- Advanced Micro Devices, Inc. Operating System Research Center email: robert.richter@....com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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