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From: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
To: linux-rdma@vger.kernel.org
Cc: linux-nfs@vger.kernel.org, chuck.lever@oracle.com
Subject: [PATCH v2] xprtrdma: Make sure Send CQ is allocated on an existing compvec
Date: Thu, 24 Jan 2019 08:02:40 +0100	[thread overview]
Message-ID: <164839c0-399e-d01b-dafc-5c873e650bdb@suse.com> (raw)

Make sure the device has at least 2 completion vectors before allocating to compvec#1

Fixes: a4699f5647f3 (xprtrdma: Put Send CQ in IB_POLL_WORKQUEUE mode)
Signed-off-by: Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
---
Fixes since v1:
 - Use num_comp_vector instead online_cpus

 net/sunrpc/xprtrdma/verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index b725911c0f3f..db913bcef984 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -546,7 +546,7 @@ 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,
-			     1, IB_POLL_WORKQUEUE);
+			     ia->ri_device->num_comp_vectors > 1 ? 1 : 0, IB_POLL_WORKQUEUE);
 	if (IS_ERR(sendcq)) {
 		rc = PTR_ERR(sendcq);
 		dprintk("RPC:       %s: failed to create send CQ: %i\n",
-- 
2.18.0


             reply	other threads:[~2019-01-24  7:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-24  7:02 Nicolas Morey-Chaisemartin [this message]
2019-01-24 16:04 ` [PATCH v2] xprtrdma: Make sure Send CQ is allocated on an existing compvec Tom Talpey
2019-01-24 19:24   ` Chuck Lever
2019-01-25 17:32 ` Chuck Lever

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