On 2020-06-19 23:53, Kiwoong Kim wrote: > Some SoC specific might need command history for > various reasons, such as stacking command contexts > in system memory to check for debugging in the future > or scaling some DVFS knobs to boost IO throughput. > > What you would do with the information could be > variant per SoC vendor. Isn't this something that should be done in an I/O scheduler instead of in a SCSI LLD? I don't like the idea behind this patch series at all. Bart.