diff options
| author | John Garry <[email protected]> | 2022-06-23 20:41:59 +0800 |
|---|---|---|
| committer | Martin K. Petersen <[email protected]> | 2022-06-27 22:43:57 -0400 |
| commit | fce54ed027577517df1e74b7d54dc2b1bd536887 (patch) | |
| tree | 28c076de3f2e2d53019c72ed51f2a54994bd0e4c /scripts/bpf_doc.py | |
| parent | aeaadcde1a60138bceb65de3cdaeec78170b4459 (diff) | |
scsi: hisi_sas: Limit max hw sectors for v3 HW
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/[email protected]/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: John Garry <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Diffstat (limited to 'scripts/bpf_doc.py')
0 files changed, 0 insertions, 0 deletions