From: Steven Rostedt <srostedt@redhat.com>
Date: Sat, 30 Apr 2011 02:35:33 +0000 (-0400)
Subject: ftrace: Only update the function code on write to filter files
X-Git-Tag: v3.0-rc1~404^2~17^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=058e297d34a404caaa5ed277de15698d8dc43000;p=pandora-kernel.git

ftrace: Only update the function code on write to filter files

If function tracing is enabled, a read of the filter files will
cause the call to stop_machine to update the function trace sites.
It should only call stop_machine on write.

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