linux-kernel - Re: PCI: iomem bigger than 4GB

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Date:	Fri, 6 Apr 2007 11:48:20 -0700 (PDT)
From:	Ashish Singhai <hybrid.rules@...oo.com>
To:	Chuck Ebbert <cebbert@...hat.com>,
	Ashish Singhai <hybrid.rules@...oo.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: PCI: iomem bigger than 4GB

--- Chuck Ebbert <cebbert@...hat.com> wrote:

> Ashish Singhai wrote:
> > Hello,
> > 
> > Please refer to Andrew' post on this thread on PCI
> > subsystem assigning prefetchable memory bigger
> than
> > 4GB:
> > 
> > http://lkml.org/lkml/2006/11/24/160
> > 
> > This patch is not included in 2.6.20.1 or earlier
> --
> > it would be helpful if we could have this patch
> > considered. I have tried it in a simulated
> environment
> > and it works.
> 
> What bug does it fix?

If a devices advertises a prefetchable BAR bigger than
4GB then the address space is not correctly assigned.

-- Ashish
> 
> 
> 

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