From: Andi Kleen <ak@muc.de>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Doug Thompson <norsk5@yahoo.com>,
akpm@osdl.org, mm-commits@vger.kernel.org, norsk5@xmission.com,
linux-kernel@vger.kernel.org
Subject: Re: + edac-new-opteron-athlon64-memory-controller-driver.patch added to -mm tree
Date: 6 Jul 2006 21:18:04 +0200
Date: Thu, 6 Jul 2006 21:18:04 +0200 [thread overview]
Message-ID: <20060706191804.GB97717@muc.de> (raw)
In-Reply-To: <m1fyhey2hc.fsf@ebiederm.dsl.xmission.com>
On Thu, Jul 06, 2006 at 01:09:35PM -0600, Eric W. Biederman wrote:
> > Then anything with MMIO or interrupts or anything dynamic
> > definitely belongs into kernel space agreed.
>
> Yep we sometimes have to mess with MMIO.
Not on K8 at least, no?
Maybe we should discuss each chipset separatedly :)
>
> > But at least on K8 DIMM inventory is purely reading PCI config space on
> > something that doesn't change and doesn't need any locking.
> > It also doesn't need to do anything complicated, but just look
> > for the right PCI ID.
>
> Mostly. Except for the part where you have to figure out the stepping
> of the processor connected to the memory controller to properly decode
> the registers. AMD should have used the revision field in pci config
> space but...
That's in /proc/cpuinfo
-Andi
next prev parent reply other threads:[~2006-07-06 19:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060701150430.GA38488@muc.de>
[not found] ` <20060703172633.50366.qmail@web50109.mail.yahoo.com>
[not found] ` <20060703184836.GA46236@muc.de>
[not found] ` <1151962114.16528.18.camel@localhost.localdomain>
2006-07-04 9:23 ` + edac-new-opteron-athlon64-memory-controller-driver.patch added to -mm tree Andi Kleen
2006-07-04 10:09 ` Alan Cox
2006-07-04 11:34 ` Andi Kleen
2006-07-05 22:08 ` Alan Cox
2006-07-05 22:04 ` Andi Kleen
2006-07-06 6:12 ` Eric W. Biederman
2006-07-06 13:01 ` Andi Kleen
2006-07-06 15:31 ` Eric W. Biederman
2006-07-06 16:51 ` Andi Kleen
2006-07-06 17:46 ` Eric W. Biederman
2006-07-06 18:08 ` Andi Kleen
2006-07-06 18:34 ` Alan Cox
2006-07-06 18:27 ` Andi Kleen
2006-07-06 19:09 ` Eric W. Biederman
2006-07-06 19:18 ` Andi Kleen [this message]
2006-07-06 19:43 ` Eric W. Biederman
2006-07-06 18:43 ` Eric W. Biederman
2006-07-05 17:39 ` Doug Thompson
2006-07-05 19:39 ` Andi Kleen
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