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(parent: f9a11ed) | patch
ftrace: Only update the function code on write to filter files
authorSteven Rostedt <srostedt@redhat.com>
Sat, 30 Apr 2011 02:35:33 +0000 (22:35 -0400)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 23 Jun 2011 22:24:00 +0000 (15:24 -0700)
commit66e69865f32ed923518b80172d7c4595ce593683
tree43dc5bb8be99e87702fa5513d8f56e9769b86f6dtree | snapshot
parentf9a11ede7aeb9bdcb5b2d51366401520afc555c4commit | diff
ftrace: Only update the function code on write to filter files

commit 058e297d34a404caaa5ed277de15698d8dc43000 upstream.

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.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
kernel/trace/ftrace.c diff | blob | history
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