linux-kernel - RE: [PATCH] Enable GART-IOMMU only after setting up protection methods

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Message-ID: <6453C3CB8E2B3646B0D020C112613273C5AF68@sausexmb4.amd.com>
Date:	Thu, 9 Apr 2009 11:48:29 -0500
From:	"Langsdorf, Mark" <mark.langsdorf@....com>
To:	"Yinghai Lu" <yhlu.kernel@...il.com>
CC:	"Andrew Morton" <akpm@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>, "Ingo Molnar" <mingo@...e.hu>
Subject: RE: [PATCH] Enable GART-IOMMU only after setting up protection methods

> > AMD has tested this patch and seen no adverse effects.
> 
> how about system with AGP card and more than 4g system RAM?

Tested on an Iwill DK8X 2P system with 8 GB of DRAM.
 
> also it seems flush_gart() in init_k8_gatt() and gart_iommu_init()
> could be removed?

Possibly, but I'd rather be cautious than not.

-Mark Langsdorf
Operating System Research Center
AMD

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