From: Hariprasad Shenai <hariprasad@chelsio.com>
Date: Wed, 4 Mar 2015 12:46:28 +0000 (+0530)
Subject: cxgb4: Try and provide an RDMA CIQ per cpu
X-Git-Tag: omap-for-v4.1/fixes-rc1~141^2~340^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f36e58e5668694cd89d0a4d04a767a6286d497cc;p=pandora-kernel.git

cxgb4: Try and provide an RDMA CIQ per cpu

To allow for better scalability on systems with large core counts, we
will try and allocate enough RDMA Concentrator IQs and MSI/X vectors as
we have cores. If we cannot get enough MSI/X vectors, fall back to the
minimum required: 1 per adapter rx channel.

Also clean up cxgb_enable_msix() to make it readable and correct a bug
where the vectors are not correctly assigned if the driver doesn't get
the full amount requested.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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