dma-mapping: allow EREMOTEIO return code for P2PDMA transfers

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Add EREMOTEIO error return to dma_map_sgtable() which will be used
by .map_sg() implementations that detect P2PDMA pages that the
underlying DMA device cannot access.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Logan Gunthorpe 2022-07-08 10:50:55 -06:00 • committed by Christoph Hellwig

parent 5e180ff326

commit 7c2645a2a3

1 changed files with 4 additions and 1 deletions

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kernel/dma/mapping.c

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