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Re: [Xen-devel] [PATCH v2 05/13] iommu: don't domain_crash() inside iommu_map/unmap_page()

On Sat, Jul 07, 2018 at 12:05:18PM +0100, Paul Durrant wrote:
> Turn iommu_map/unmap_page() into straightforward wrappers that check the
> existence of the relevant iommu_op and call through to it. This makes them
> usable by PV IOMMU code to be delivered in future patches.
> Leave the decision on whether to invoke domain_crash() up to the caller.
> This has the added benefit that the (module/line number) message that
> domain_crash() spits out will be more indicative of where the problem lies.
> NOTE: This patch includes one bit of clean-up in set_identity_p2m_entry()
>       replacing use of p2m->domain with the domain pointer passed into the
>       function.
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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