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nvme-rdma: use new shared CQ mechanism
Has the driver use shared CQs providing ~10%-20% improvement as seen in the patch introducing shared CQs. Instead of opening a CQ for each QP per controller connected, a CQ for each QP will be provided by the RDMA core driver that will be shared between the QPs on that core reducing interrupt overhead. Signed-off-by: Yamin Friedman <yaminf@mellanox.com> Signed-off-by: Max Gurtovoy <maxg@mellanox.com> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
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Yamin Friedman
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Christoph Hellwig
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Jul 29, 2020
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