dma-mapping-5.18

dma-mapping updates for Linux 5.18

 - do not zero buffer in set_memory_decrypted (Kirill A. Shutemov)
 - fix return value of dma-debug __setup handlers (Randy Dunlap)
 - swiotlb cleanups (Robin Murphy)
 - remove most remaining users of the pci-dma-compat.h API
   (Christophe JAILLET)
 - share the ABI header for the DMA map_benchmark with userspace
   (Tian Tao)
 - update the maintainer for DMA MAPPING BENCHMARK (Xiang Chen)
 - remove CONFIG_DMA_REMAP (me)
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