From: Frédéric Weisbecker <fweisbec@gmail.com>
Date: Wed, 24 Sep 2008 09:36:09 +0000 (+0100)
Subject: ftrace/fastboot: disable tracers self-tests when boot tracer is selected
X-Git-Tag: v2.6.28-rc1~78^2~43
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ce2b9200da8b7170cc7463b7ee4212fad7b291e;p=pandora-kernel.git

ftrace/fastboot: disable tracers self-tests when boot tracer is selected

The tracing engine resets the ring buffer and the tracers touch it
too during self-tests. These self-tests happen during tracers registering
and work against boot tracing which is logging initcalls.

We have to disable tracing self-tests if the boot-tracer is selected.

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