Re: [Xen-devel] [PATCH v5 10/15] mm / iommu: include need_iommu() test in iommu_use_hap_pt()

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Paul Durrant [mailto:paul.durrant@xxxxxxxxxx]
> Sent: Saturday, August 4, 2018 1:22 AM
> 
> The name 'iommu_use_hap_pt' suggests that that P2M table is in use as
> the
> domain's IOMMU pagetable which, prior to this patch, is not strictly true
> since the macro did not test whether the domain actually has IOMMU
> mappings.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

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