On 27/10/2021 18:47, Logan Gunthorpe wrote:
scsi_dma_map() was reporting a failure during boot on an AMD machine with the IOMMU enabled.scsi_dma_map failed: request for 36 bytes! The issue was tracked down to a mistake in logic: should not return an error if iommu_deferred_attach() returns zero. Reported-by: Marshall Midden<marshallmid...@gmail.com> Fixes: dabb16f67215 ("iommu/dma: return error code from iommu_dma_map_sg()") Link:https://lore.kernel.org/all/CAD2CkAWjS8=kkween4cgvnjyforuibzeicua-x+smtbo0jo...@mail.gmail.com Signed-off-by: Logan Gunthorpe<log...@deltatee.com> Cc: Joerg Roedel<j...@8bytes.org> Cc: Will Deacon<w...@kernel.org>
Seems reasonable, FWIW: Reviewed-by: John Garry <john.ga...@huawei.com> _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
