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

[Pavel Machek <pavel@suse.cz>]

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@mulix.org>
> Signed-Off-By: Jon Mason <jdmason@us.ibm.com>
> 
> 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

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