iommu/dma: introduce CONFIG_DMA_PMD and metadata table

[Re: [RFC: DMA_PMD 01/22] iommu/dma: introduce CONFIG_DMA_PMD and metadata table] On 10/3/26 2:22 PM, Luigi Rizzo wrote: > diff –git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig > index 6e07bd6946