Hi Greg,
Could you please backport the below commit to 4.9 stable tree. With a CPU bounded workqueue we see much lower cpu utilization and the same IOPs performance.
commit b7363e67b23e04c23c2a99437feefac7292a88bc
Author: Sagi Grimberg <sagi@xxxxxxxxxxx>
Date: Wed Mar 8 22:03:17 2017 +0200
IB/device: Convert ib-comp-wq to be CPU-bound
Thanks,
Raju
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