dma-mapping-5.19-2022-05-25

dma-mapping updates for Linux 5.19

 - don't over-decrypt memory (Robin Murphy)
 - takes min align mask into account for the swiotlb max mapping size
   (Tianyu Lan)
 - use GFP_ATOMIC in dma-debug (Mikulas Patocka)
 - fix DMA_ATTR_NO_KERNEL_MAPPING on xen/arm (me)
 - don't fail on highmem CMA pages in dma_direct_alloc_pages (me)
 - cleanup swiotlb initialization and share more code with swiotlb-xen
   (me, Stefano Stabellini)
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