> On Feb 5, 2019, at 12:21 PM, Nicolas Morey-Chaisemartin <nmoreychaisemartin@xxxxxxxx> wrote:
>
> 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@xxxxxxxx>
Reviewed-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
Anna, can you see that this fix gets into v5.0-rc ? Thanks!
> ---
> Changes since v2:
> - Split line for checkpatch to be happy
>
> 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 b725911c0f3f..5fe727a7db82 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",
> --
> 2.18.0
--
Chuck Lever
