Re: [RFC PATCH 3/3] x86-64: Calgary IOMMU - hook it in

From: Pavel Machek
Date: Tue Mar 14 2006 - 18:01:54 EST


On Út 14-03-06 10:26:34, Muli Ben-Yehuda wrote:
> This patch hooks Calgary into the build and the x86-64 IOMMU
> initialization paths.
>
> Signed-Off-By: Muli Ben-Yehuda <mulix@xxxxxxxxx>
> Signed-Off-By: Jon Mason <jdmason@xxxxxxxxxx>
>
> diff -Naurp --exclude-from /home/muli/w/dontdiff iommu_detected/arch/x86_64/Kconfig linux/arch/x86_64/Kconfig
> --- iommu_detected/arch/x86_64/Kconfig 2006-03-14 08:58:23.000000000 +0200
> +++ linux/arch/x86_64/Kconfig 2006-03-12 10:49:04.000000000 +0200
> @@ -372,6 +372,16 @@ config GART_IOMMU
> and a software emulation used on other systems.
> If unsure, say Y.
>
> +config CALGARY_IOMMU
> + bool "IBM x366 server IOMMU"
> + default y
> + depends on PCI && MPSC && EXPERIMENTAL
> + help
> + Support for hardware IOMMUs in IBM's x366 server
> + systems. The IOMMU can be turned off at runtime with the
> + iommu=off parameter. Normally the kernel will make the right

Runtime? I think you meant boottime.

> + choice by itself. If unsure, say Y.

Eh? How common are those machines?
Pavel

--
32: bw.Write( sbuffer );
-
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