Re: [PATCH 4/4] x86, gart: Make sure GART does not map physmem above1TB

From: Ingo Molnar
Date: Mon Apr 18 2011 - 11:51:04 EST



* Roedel, Joerg <Joerg.Roedel@xxxxxxx> wrote:

> On Mon, Apr 18, 2011 at 10:54:17AM -0400, H. Peter Anvin wrote:
> > On 04/18/2011 07:46 AM, H. Peter Anvin wrote:
> > > On 04/18/2011 06:45 AM, Joerg Roedel wrote:
> > >> The GART can only map physical memory below 1TB. Make sure
> > >> the gart driver in the kernel does not try to map memory
> > >> above 1TB.
> > >
> > > Where does this limit come from?
> >
> > Nevermind... despite the generic name of the file it looks to be
> > specific to the K8 GART.
>
> Yes, this file mostly contains the dma-ops implementation that uses the
> K8 gart plus some k8-gart specific initialization functions.

Does the file want to be renamed to pci-amd_gart_64.c or so?

Thanks,

Ingo
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