Salvatore, > So I believe the right thing would be to revert first in the stable > series where it was applied (5.10.y, 5.15.y) the commit e0e0747de0ea > ("scsi: mpt3sas: Fix return value check of dma_get_required_mask()") > and then on top of this revert apply the patches: > > 9df650963bf6 ("scsi: mpt3sas: Don't change DMA mask while reallocating pools") > 1a2dcbdde82e ("scsi: mpt3sas: re-do lost mpt3sas DMA mask fix") > 06e472acf964 ("scsi: mpt3sas: Remove usage of dma_get_required_mask() API") > > Attached mbox file implements this. > > Does that looks now good for resolving the regression? Yes, that's one way to resolve it. At a quick glance your mbox looks fine. Best way to validate would be to compare the resulting _base_config_dma_addressing() function between your tree and upstream. I don't believe we have had additional changes here so there should be no delta. -- Martin K. Petersen Oracle Linux Engineering