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From: Ingo Molnar <mingo@elte.hu>
To: "Roedel, Joerg" <Joerg.Roedel@amd.com>
Cc: "H. Peter Anvin" <hpa@kernel.org>, Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"stable@kernel.org" <stable@kernel.org>
Subject: Re: [PATCH 4/4] x86, gart: Make sure GART does not map physmem above 1TB
Date: Mon, 18 Apr 2011 17:50:33 +0200	[thread overview]
Message-ID: <20110418155033.GC8623@elte.hu> (raw)
In-Reply-To: <20110418145941.GJ2192@amd.com>


* Roedel, Joerg <Joerg.Roedel@amd.com> 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

  reply	other threads:[~2011-04-18 15:51 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-18 13:45 [PATCH 0/4] gart cleanups and fixes Joerg Roedel
2011-04-18 13:45 ` [PATCH 1/4] x86, gart: Don't enforce GART aperture lower-bound by alignment Joerg Roedel
2011-04-18 14:45   ` H. Peter Anvin
2011-04-18 14:56     ` Roedel, Joerg
2011-04-18 15:51       ` H. Peter Anvin
2011-04-18 17:36         ` Joerg Roedel
2011-04-18 17:39           ` H. Peter Anvin
2011-04-18 17:50             ` Joerg Roedel
2011-04-18 19:06             ` Joerg Roedel
2011-04-18 19:40               ` H. Peter Anvin
2011-04-18 18:29   ` Yinghai Lu
2011-04-18 18:39   ` [tip:x86/gart] " tip-bot for Joerg Roedel
2011-04-18 13:45 ` [PATCH 2/4] x86, gart: Convert spaces to tabs in enable_gart_translation Joerg Roedel
2011-04-18 16:39   ` [tip:x86/urgent] " tip-bot for Joerg Roedel
2011-04-18 13:45 ` [PATCH 3/4] x86, gart: Set DISTLBWALKPRB bit always Joerg Roedel
2011-04-18 16:40   ` [tip:x86/urgent] " tip-bot for Joerg Roedel
2011-04-18 13:45 ` [PATCH 4/4] x86, gart: Make sure GART does not map physmem above 1TB Joerg Roedel
2011-04-18 14:46   ` H. Peter Anvin
2011-04-18 14:52     ` Roedel, Joerg
2011-04-18 15:53       ` H. Peter Anvin
2011-04-18 14:54     ` H. Peter Anvin
2011-04-18 14:59       ` Roedel, Joerg
2011-04-18 15:50         ` Ingo Molnar [this message]
2011-04-19  6:12           ` Roedel, Joerg
2011-04-19  7:25             ` Ingo Molnar
2011-04-19  9:15               ` [PATCH] x86, gart: Rename pci-gart_64.c to amd64_gart.c Roedel, Joerg
2011-04-19 13:43               ` [PATCH 4/4] x86, gart: Make sure GART does not map physmem above 1TB H. Peter Anvin
2011-04-19 14:29                 ` Roedel, Joerg
2011-04-20 17:38                   ` H. Peter Anvin
2011-05-10 15:32                     ` [PATCH] x86, gart: Rename pci-gart_64.c to amd_gart_64.c 1TB Roedel, Joerg
2011-04-18 16:40   ` [tip:x86/urgent] x86, gart: Make sure GART does not map physmem above 1TB tip-bot for Joerg Roedel

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