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All of it needs >> the DPDK heap or a memzone for multi process scenarios. >> >> get_iommu_class() for this bus only checks two sysfs paths, so the >> initialization is not needed in scan to report the IOVA mode. Move it >> back to probe. >> >> Fixes: cdefd2e980bd ("drivers/bus: initialize NXP bus specifics in scan") >> >> Signed-off-by: Prashant Gupta > While the change looks correct, I don't understand what is being fixed. > Could you elaborate on the issue? > In my brief discussion about this issue, I was told that some of the these QMAN/BMAN related initialization should be done using shared/Hugepage memory for multi-process sharing; Hugepages are not available during scan, they become available later. Acked-by: Hemant Agrawal >