Re: Intel vs AMD x86-64

From: Dave Jones
Date: Tue Feb 24 2004 - 11:47:46 EST


On Mon, Feb 23, 2004 at 09:42:05PM -0500, Albert Cahalan wrote:
> Setting up only one of the IO-MMUs would be neat.

AGPv3 standard mandates that you MUST keep all GARTs coherent,
so this isn't possible. The amd64 GART driver goes to great
lengths to make sure it does update the northbridges on every
CPU whenever something changes.

Dave

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/