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Message-ID: <20071120231453.GA20462@suse.de>
Date: Tue, 20 Nov 2007 15:14:53 -0800
From: Greg KH <gregkh@...e.de>
To: Jan Beulich <jbeulich@...ell.com>
Cc: gary.hade@...ibm.com, lkml <linux-kernel@...r.kernel.org>
Subject: Re: Avoid creating P2P prefetch window for expansion ROMs
On Tue, Nov 20, 2007 at 03:49:43AM -0700, Jan Beulich wrote:
> This patch (in its incarnation in our SLE10SP2 tree) is causing resource
> allocation failures on one of my machines.
Does the latest 2.6.23 kernel also cause these same problems?
> The condition for this is that besides ROMs behind a bridge not having
> their base addresses assigned there's no extra space available in the
> non-prefetch window to accommodate the ROMs' space. I therefore think
> the change, while having a good reason, isn't complete so far, as it
> would imply the need for checking whether space in the non-prefetch
> window is sufficient and continuing to force the creation of a
> prefetch window otherwise.
Hm, I'll defer to Gary on this one :)
thanks,
greg k-h
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