On Thu, 23 Jun 2022 20:41:59 +0800, John Garry wrote: > If the controller is behind an IOMMU then the IOMMU IOVA caching range can > affect performance, as discussed in [0]. > > Limit the max HW sectors to not exceed this limit. We need to hardcode > the value until a proper DMA mapping API is available. > > [0] https://lore.kernel.org/linux-iommu/20210129092120.1482-1-thunder.leizhen@xxxxxxxxxx/ > > [...] Applied to 5.19/scsi-fixes, thanks! [1/1] scsi: hisi_sas: Limit max hw sectors for v3 HW https://git.kernel.org/mkp/scsi/c/fce54ed02757 -- Martin K. Petersen Oracle Linux Engineering
