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RE: [XEN PATCH v3] xen/arm: introduce dummy iommu node for dom0


  • To: Jiamei Xie <Jiamei.Xie@xxxxxxx>
  • From: Sergiy Kibrik <Sergiy_Kibrik@xxxxxxxx>
  • Date: Fri, 14 Jan 2022 15:14:27 +0000
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  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Oleksandr Tyshchenko <olekstysh@xxxxxxxxx>, Andrii Anisov <Andrii_Anisov@xxxxxxxx>
  • Delivery-date: Fri, 14 Jan 2022 15:15:10 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Thread-index: AQHYCR/RlHsaR2efDkukmH3CGCI2AKxiNMsAgABq05A=
  • Thread-topic: [XEN PATCH v3] xen/arm: introduce dummy iommu node for dom0

> > > Currently no IOMMU properties are exposed to dom0, thus kernel by
> > default
> > > assumes no protection and enables swiotlb-xen, which leads to costly
> > > and unnecessary buffers bouncing.
> > >
> > > To let kernel know which device is behing IOMMU and hence needs no
> [Jiamei Xie]
> behing?  Typo
> 

Oops, typo indeed.
Thank you!

 - Sergiy

 


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