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On Wed, Nov 14, 2018 at 09:22:48AM +0100, Christoph Hellwig wrote:
> vio_dma_mapping_ops currently does a lot of indirect calls through
> dma_iommu_ops, which not only make the code harder to follow but are
> also expensive in the post-spectre world. Unwind the indirect calls
> by calling t
vio_dma_mapping_ops currently does a lot of indirect calls through
dma_iommu_ops, which not only make the code harder to follow but are
also expensive in the post-spectre world. Unwind the indirect calls
by calling the ppc_iommu_* or iommu_* APIs directly applicable, or
just use the dma_iommu_* me