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Date: Fri, 22 Mar 2019 12:13:27 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Nicolas Morey-Chaisemartin <nmoreychaisemartin@...e.com>, Chuck Lever <chuck.lever@...cle.com>, Anna Schumaker <Anna.Schumaker@...app.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.19 054/280] xprtrdma: Make sure Send CQ is allocated on an existing compvec 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit a4cb5bdb754afe21f3e9e7164213e8600cf69427 ] 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@...e.com> Reviewed-by: Chuck Lever <chuck.lever@...cle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@...app.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- net/sunrpc/xprtrdma/verbs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 3d6bf790cf1f..5ddbf227e7c6 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -546,7 +546,8 @@ 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", -- 2.19.1
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