From: Roland Dreier <rolandd@cisco.com>
Date: Thu, 17 Apr 2008 04:09:28 +0000 (-0700)
Subject: IB/mlx4: Micro-optimize mlx4_ib_post_send()
X-Git-Tag: v2.6.26-rc1~1156^2~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f438000f7a31fad7cfd27f33ad324a250f4cd2df;p=pandora-kernel.git

IB/mlx4: Micro-optimize mlx4_ib_post_send()

Rather than have build_mlx_header() return a negative value on failure
and the length of the segments it builds on success, add a pointer
parameter to return the length and return 0 on success.  This matches
the calling convention used for build_lso_seg() and generates slightly
smaller code -- eg, on 64-bit x86:

add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-22 (-22)
function                                     old     new   delta
mlx4_ib_post_send                           2023    2001     -22

Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

Reading git-diff-tree failed