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SubjectRe: [PATCH 34/34] AMD IOMMU: add documentation for kernel parameters
From
On Thu, 26 Jun 2008 21:28:10 +0200
Joerg Roedel <joerg.roedel@amd.com> wrote:

> Add documentation for the kernel parameters introduced with this driver.
>
> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
> ---
> Documentation/kernel-parameters.txt | 12 ++++++++++++
> 1 files changed, 12 insertions(+), 0 deletions(-)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index e07c432..fc8f936 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -271,6 +271,18 @@ and is between 256 and 4096 characters. It is defined in the file
> aic79xx= [HW,SCSI]
> See Documentation/scsi/aic79xx.txt.
>
> + amd_iommu= [HW,X86-84]
> + Pass parameters to the AMD IOMMU driver in the system.
> + Possible values are:
> + off - disable the driver for AMD IOMMU
> + isolate - enable device isolation (each device, as far
> + as possible, will get its own protection
> + domain)
> + amd_iommu_size= [HW,X86-64]
> + Define the size of the aperture for the AMD IOMMU
> + driver. Possible values are:
> + '32M', '64M' (default), '128M', '256M', '512M', '1G'
> +
> amijoy.map= [HW,JOY] Amiga joystick support
> Map of devices attached to JOY0DAT and JOY1DAT
> Format: <a>,<b>

Documentation/x86_64/boot-options.txt would be a better place?

Probabaly, it would be better to clean up x86_64 IOMMU options.


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