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(parent: 9aefae6) | 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>
Fri, 3 Jun 2011 00:31:27 +0000 (09:31 +0900)
commit8c624dacbf94dd92bc6385cfd0b97698f56cedbd
tree4020ae2ce8ce1dca972071198afb8d3ff91c9e05tree | snapshot
parent9aefae678abf4ba79f97983dd014135c3d46f96acommit | 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
kernel
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