Messages in this thread Patch in this message | | | Date | Sat, 16 Jul 2011 07:22:04 -0400 | From | Steven Rostedt <> | Subject | [PATCH 04/20] ftrace: Update filter when tracing enabled in set_ftrace_filter() |
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From: Steven Rostedt <srostedt@redhat.com>
Currently, if set_ftrace_filter() is called when the ftrace_ops is active, the function filters will not be updated. They will only be updated when tracing is disabled and re-enabled.
Update the functions immediately during set_ftrace_filter().
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/ftrace.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 853f6f0..a0dc0de 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2869,6 +2869,10 @@ ftrace_set_regex(struct ftrace_ops *ops, unsigned char *buf, int len, mutex_lock(&ftrace_lock); ret = ftrace_hash_move(ops, enable, orig_hash, hash); + if (!ret && ops->flags & FTRACE_OPS_FL_ENABLED + && ftrace_enabled) + ftrace_run_update_code(FTRACE_ENABLE_CALLS); + mutex_unlock(&ftrace_lock); mutex_unlock(&ftrace_regex_lock); -- 1.7.5.4
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