All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=164839c0-399e-d01b-dafc-5c873e650bdb@suse.com \
    --to=nmoreychaisemartin@suse.com \
    --cc=chuck.lever@oracle.com \
    --cc=linux-nfs@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.