Merge branch 'rework-the-memory-barrier-for-scrq-entry'

Lijun Pan says:

====================
rework the memory barrier for SCRQ entry

This series rework the memory barrier for SCRQ (Sub-Command-Response
Queue) entry.
====================

Link: https://lore.kernel.org/r/20210130011905.1485-1-ljp@linux.ibm.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>