From: Steven Rostedt <srostedt@redhat.com>
Date: Tue, 12 May 2009 02:11:05 +0000 (-0400)
Subject: ring-buffer: move code around to remove some branches
X-Git-Tag: v2.6.31-rc1~401^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=168b6b1d0594c7866caa73b12f3b8d91075695f2;p=pandora-kernel.git

ring-buffer: move code around to remove some branches

This is a bit of micro-optimizations. But since the ring buffer is used
in tracing every function call, it is an extreme hot path. Every nanosecond
counts.

This change shows over 5% improvement in the ring-buffer-benchmark.

[ Impact: more efficient code ]

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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