From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Mon, 26 Jan 2009 18:00:40 +0000 (-0200)
Subject: blktrace: the ftrace interface needs CONFIG_TRACING
X-Git-Tag: v2.6.30-rc1~2^2~148
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32c0bd9624115041cfec31c0436995418083090a;p=pandora-kernel.git

blktrace: the ftrace interface needs CONFIG_TRACING

Impact: build fix

Also mention in the help text that blktrace now can be used using
the ftrace interface.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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