On 8/12/2021 8:26 PM, Christoph Hellwig wrote:

On Mon, Aug 09, 2021 at 01:56:13PM -0400, Tianyu Lan wrote:

quoted

From: Tianyu Lan <redacted>

In Hyper-V Isolation VM with AMD SEV, swiotlb boucne buffer
needs to be mapped into address space above vTOM and so
introduce dma_map_decrypted/dma_unmap_encrypted() to map/unmap
bounce buffer memory. The platform can populate man/unmap callback
in the dma memory decrypted ops.

Nothing here looks actually DMA related, and the names are horribly
confusing vs the actual dma_map_* calls.

OK. So this still need to keep in the set_memory.c file.