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Re: [PATCH 11/12] xen/arm: if xen_force don't try to setup the IOMMU

To: Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
From: Julien Grall <julien@xxxxxxx>
Date: Wed, 15 Apr 2020 15:12:44 +0100
Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>, Volodymyr_Babchuk@xxxxxxxx
Delivery-date: Wed, 15 Apr 2020 14:12:53 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Hi Stefano,

On 15/04/2020 02:02, Stefano Stabellini wrote:

If xen_force (which means xen,force-assign-without-iommu was requested)
don't try to add the device to the IOMMU. Return early instead.

Could you explain why this is an issue to call xen_force afteriommu_add_dt_device()?


Cheers,
--
Julien Grall

Follow-Ups:
- Re: [PATCH 11/12] xen/arm: if xen_force don't try to setup the IOMMU
  - From: Stefano Stabellini

References:
- [PATCH 0/12] direct-map DomUs
  - From: Stefano Stabellini
- [PATCH 11/12] xen/arm: if xen_force don't try to setup the IOMMU
  - From: Stefano Stabellini

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