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SubjectRe: [PATCH v4 7/9] iommu/vt-d: Add trace events for domain map/unmap
On Mon, Jun 03, 2019 at 09:16:18AM +0800, Lu Baolu wrote:
> This adds trace support for the Intel IOMMU driver. It
> also declares some events which could be used to trace
> the events when an IOVA is being mapped or unmapped in
> a domain.

Is that even needed considering SWIOTLB also has tracing events?

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