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Re: [XEN PATCH v3 01/16] x86: introduce AMD-V and Intel VT-x Kconfig options
- To: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 10 Jun 2024 13:50:54 +0200
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- Cc: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Xenia Ragiadakou <xenia.ragiadakou@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 10 Jun 2024 11:51:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 03.06.2024 13:07, Sergiy Kibrik wrote:
> From: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
>
> Introduce two new Kconfig options, SVM and VMX, to allow code
> specific to each virtualization technology to be separated and, when not
> required, stripped.
> CONFIG_SVM will be used to enable virtual machine extensions on platforms that
> implement the AMD Virtualization Technology (AMD-V).
> CONFIG_VMX will be used to enable virtual machine extensions on platforms that
> implement the Intel Virtualization Technology (Intel VT-x).
>
> Both features depend on HVM support.
>
> Since, at this point, disabling any of them would cause Xen to not compile,
> the options are enabled by default if HVM and are not selectable by the user.
>
> No functional change intended.
>
> Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
> Signed-off-by: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Yet to clarify - my question as to ...
> changes in v1:
> - change kconfig option name AMD_SVM/INTEL_VMX -> SVM/VMX
... undoing this still remains.
Jan
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