tracing: Remove ftrace_stop/start() from reading the trace file
authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>
Wed, 25 Jun 2014 03:50:09 +0000 (23:50 -0400)
committerSteven Rostedt <rostedt@goodmis.org>
Tue, 1 Jul 2014 16:45:54 +0000 (12:45 -0400)
commit099ed151675cd1d2dbeae1dac697975f6a68716d
tree77b8216988011039ce566aea36322fc6a61106e9
parentfb6bab6a5ad46d00b5ffa22268f21df1cd7c59df
tracing: Remove ftrace_stop/start() from reading the trace file

Disabling reading and writing to the trace file should not be able to
disable all function tracing callbacks. There's other users today
(like kprobes and perf). Reading a trace file should not stop those
from happening.

Cc: stable@vger.kernel.org # 3.0+
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace.c