From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Wed, 12 Nov 2008 21:49:23 +0000 (+0100)
Subject: tracing/function-return-tracer: call prepare_ftrace_return by registers
X-Git-Tag: v2.6.29-rc1~586^2~62^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1dc1c6adf38bc5799d1594681645ced40ced4b6b;p=pandora-kernel.git

tracing/function-return-tracer: call prepare_ftrace_return by registers

Impact: Optimize a bit the function return tracer

This patch changes the calling convention of prepare_ftrace_return to
pass its arguments by register. This will optimize it a bit and
prepare it to support dynamic tracing.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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