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Re: [Xen-devel] [PATCH v3 1/2] x86/mm: Clean IOMMU flags from p2m-pt code
- To: Alexandru Stefan ISAILA <aisaila@xxxxxxxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Wed, 24 Jul 2019 15:58:57 +0000
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- Cc: "wl@xxxxxxx" <wl@xxxxxxx>, "george.dunlap@xxxxxxxxxxxxx" <george.dunlap@xxxxxxxxxxxxx>, "andrew.cooper3@xxxxxxxxxx" <andrew.cooper3@xxxxxxxxxx>, "suravee.suthikulpanit@xxxxxxx" <suravee.suthikulpanit@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "brian.woods@xxxxxxx" <brian.woods@xxxxxxx>, "roger.pau@xxxxxxxxxx" <roger.pau@xxxxxxxxxx>
- Delivery-date: Wed, 24 Jul 2019 16:02:42 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVO84pz4B9FlJLi0aoJloWZR7W5abZ+cOA
- Thread-topic: [PATCH v3 1/2] x86/mm: Clean IOMMU flags from p2m-pt code
On 16.07.2019 14:01, Alexandru Stefan ISAILA wrote:
> At this moment IOMMU pt sharing is disabled by commit [1].
>
> This patch aims to clear the IOMMU hap share support as it will not be
> used in the future. By doing this the IOMMU bits used in pte[52:58] can
> be used in other ways.
>
> [1] c2ba3db31ef2d9f1e40e7b6c16cf3be3d671d555
>
> Suggested-by: George Dunlap <george.dunlap@xxxxxxxxxx>
> Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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