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Re: [PATCH v2 1/8] x86/iommu: introduce AMD-Vi and Intel VT-d Kconfig options
- To: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 11 Jan 2023 15:56:49 +0100
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- Cc: Paul Durrant <paul@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 11 Jan 2023 14:57:00 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 04.01.2023 09:44, Xenia Ragiadakou wrote:
> Introduce two new Kconfig options, AMD_IOMMU and INTEL_IOMMU, to allow code
> specific to each IOMMU technology to be separated and, when not required,
> stripped. AMD_IOMMU will be used to enable IOMMU support for platforms that
> implement the AMD I/O Virtualization Technology. INTEL_IOMMU will be used to
> enable IOMMU support for platforms that implement the Intel Virtualization
> Technology for Directed I/O.
>
> Since, at this point, disabling any of them would cause Xen to not compile,
> the options are not visible to the user and are enabled by default if X86.
>
> Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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