linux-kernel - Re: [PATCH] x86 gart: don't complain if no AMD GART found

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Message-Id: <200812180949.28042.bjorn.helgaas@hp.com>
Date:	Thu, 18 Dec 2008 09:49:27 -0700
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Dave Jones <davej@...hat.com>
Cc:	Joerg Roedel <joerg.roedel@....com>,
	iommu@...ts.linux-foundation.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, hpa@...or.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86 gart: don't complain if no AMD GART found

On Wednesday 17 December 2008 01:27:24 pm Dave Jones wrote:
> On Wed, Dec 17, 2008 at 12:52:34PM -0700, Bjorn Helgaas wrote:
>  > It's perfectly normal for no AMD GART to be present, e.g., if you have
>  > Intel CPUs.
> 
> Yes! That's annoyed me for some time too.
> 
>  >  None of the other iommu_init() functions makes noise when
>  > it finds nothing.
>  
> The Calgary stuff is pretty noisy in the face of non-existant hardware too.
> Makes for noisy distro kernels..
> 
> Calgary: detecting Calgary via BIOS EBDA area
> Calgary: Unable to locate Rio Grande table in EBDA - bailing!

Yeah, I considered removing that, too.  At least the Calgary stuff
is KERN_DEBUG, so it's not quite as visible.  But I'm in favor of
removing it anyway.

Bjorn
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