From: Robert Hancock <hancockr@shaw.ca>
To: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Robert Hancock <hancockr@shaw.ca>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Greg KH <gregkh@suse.de>, Matthew Wilcox <matthew@wil.cx>,
Shaohua Li <shaohua.li@intel.com>,
lkml <linux-kernel@vger.kernel.org>,
linux-pci <linux-pci@atrey.karlin.mff.cuni.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Jesse Barnes <jbarnes@virtuousgeek.org>
Subject: Re: [PATCH]PCI:disable resource decode in PCI BAR detection
Date: Sat, 15 Sep 2007 14:24:45 -0600 [thread overview]
Message-ID: <46EC3F8D.4040702@shaw.ca> (raw)
In-Reply-To: <fa.lPg6OSzX+f6jdXK1ZF0rlIhZok4@ifi.uio.no>
Yinghai Lu wrote:
> On 9/14/07, Robert Hancock <hancockr@shaw.ca> wrote:
>> It's not impossible at all. In fact I'm quite sure (Jesse can confirm)
>> that in the case of the board he was using, it was an add-in graphics
>> card where he saw this problem.
>>
>> The fact is that in the case of MMCONFIG overlap with PCI BARs, which
>> one takes priority is completely undefined. In the case of this Intel
>> chipset, clearly the PCI Express device connected to the northbridge had
>> higher decode priority than the MMCONFIG aperture.
>
> can you relocate the MMCONFIG above RAM range? for example 512G...
On some chipsets that might be possible, however I think that on the
Intel ones it's not possible to move it above 4G. And in any case this
would require chipset-specific knowledge, which we would rather not have
to need.
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2007-09-15 20:25 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.+WRenB38novq157RnGPLoU4q2XI@ifi.uio.no>
[not found] ` <fa.mM7Va6Nlsaduo/AF4MkeurSBTbs@ifi.uio.no>
[not found] ` <fa.Ff0IMhMYWp7NYEdjO0AftHzVOh4@ifi.uio.no>
[not found] ` <fa.d9zBdhHd9gKcJbtwrYguusbECo4@ifi.uio.no>
[not found] ` <fa.TLO57rS9iV7zhomQxJbV9gjbxx8@ifi.uio.no>
[not found] ` <fa.lPg6OSzX+f6jdXK1ZF0rlIhZok4@ifi.uio.no>
2007-09-15 20:24 ` Robert Hancock [this message]
[not found] <fa.ggBqx6W3i6hfs6jdfg64oXKSxW8@ifi.uio.no>
[not found] ` <fa.o5cJ0O7pLVWRzUiVPDEZL6nKqA8@ifi.uio.no>
[not found] ` <fa.tyYt4GOpTOmJTUbzsxpiCAObJPQ@ifi.uio.no>
[not found] ` <fa.13eJumylqINOxOaoEj9cthw0d0M@ifi.uio.no>
[not found] ` <fa.tAIuIM02CoL+ixB11n9Fmcqyz9M@ifi.uio.no>
[not found] ` <fa.pxFYhTaUz2NVN7Vux7b5xVRrKTw@ifi.uio.no>
2007-09-14 3:32 ` [PATCH]PCI:disable resource decode in PCI BAR detection Robert Hancock
2007-09-14 11:14 ` Ivan Kokshaysky
2007-09-14 11:33 ` Ivan Kokshaysky
2007-09-14 14:30 ` Robert Hancock
2007-09-14 15:29 ` Ivan Kokshaysky
2007-09-14 23:53 ` Robert Hancock
2007-09-15 5:55 ` Yinghai Lu
2007-09-16 11:13 ` Ivan Kokshaysky
2007-09-16 17:34 ` Robert Hancock
2007-09-17 9:20 ` Ivan Kokshaysky
2007-09-16 19:52 ` Matthew Wilcox
2007-09-17 9:31 ` Ivan Kokshaysky
2007-09-17 14:30 ` Robert Hancock
2007-09-17 1:21 ` Shaohua Li
2007-09-18 9:53 ` Ivan Kokshaysky
2007-09-19 21:34 ` Jesse Barnes
2007-09-16 20:06 ` Benjamin Herrenschmidt
2007-09-16 23:37 ` Robert Hancock
2007-09-17 0:21 ` Benjamin Herrenschmidt
[not found] ` <fa.0Edi0qLTdvqVnuoDAebaTVz1jEM@ifi.uio.no>
[not found] ` <fa.sq+NimBnzGB2syLmvcIGOvDkixI@ifi.uio.no>
[not found] ` <fa.G9DPndNUxuPi5LrUTOL4uPFshnc@ifi.uio.no>
2007-09-26 23:01 ` Robert Hancock
2007-09-27 0:40 ` Benjamin Herrenschmidt
2007-09-27 2:14 ` Matthew Wilcox
2007-09-13 6:21 Shaohua Li
2007-09-13 7:31 ` Matthew Wilcox
2007-09-13 7:24 ` Shaohua Li
2007-09-13 7:55 ` Matthew Wilcox
2007-09-13 9:53 ` Greg KH
2007-09-13 11:16 ` Ivan Kokshaysky
2007-09-13 12:00 ` Greg KH
2007-09-16 20:01 ` Benjamin Herrenschmidt
2007-09-17 10:22 ` Ivan Kokshaysky
2007-09-17 20:30 ` Benjamin Herrenschmidt
2007-09-18 9:54 ` Ivan Kokshaysky
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