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xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode

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Lift the Send and LocalInv completion handlers out of soft IRQ mode
to make room for other work. Also, move the Send CQ to a different
CPU than the CPU where the Receive CQ is running, for improved
scalability.

Signed-off-by: Chuck Lever <[email protected]>
Reviewed-by: Devesh Sharma <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
This commit is contained in:
Chuck Lever 2017-10-30 16:21:49 -04:00 • committed by Anna Schumaker
commit a4699f5647
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/xprtrdma/verbs.c
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@ -558,7 +558,7 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia,
sendcq = ib_alloc_cq(ia->ri_device, NULL,
ep->rep_attr.cap.max_send_wr + 1,
0, IB_POLL_SOFTIRQ);
1, IB_POLL_WORKQUEUE);
if (IS_ERR(sendcq)) {
rc = PTR_ERR(sendcq);
dprintk("RPC: %s: failed to create send CQ: %i\n",