Messages in this thread Patch in this message | | | From | Mathias Krause <> | Subject | [PATCH] ftrace: Statically initialize pm notifier block | Date | Sun, 30 Mar 2014 15:31:50 +0200 |
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Instead of initializing the pm notifier block in register_ftrace_graph(), initialize it statically. This safes us some code.
Found in the PaX patch, written by the PaX Team.
Cc: PaX Team <pageexec@freemail.hu> Signed-off-by: Mathias Krause <minipli@googlemail.com> --- kernel/trace/ftrace.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index cd7f76d1eb..a4d74eb000 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4909,7 +4909,6 @@ ftrace_enable_sysctl(struct ctl_table *table, int write, #ifdef CONFIG_FUNCTION_GRAPH_TRACER static int ftrace_graph_active; -static struct notifier_block ftrace_suspend_notifier; int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace) { @@ -5086,6 +5085,10 @@ static void update_function_graph_func(void) ftrace_graph_entry = ftrace_graph_entry_test; } +static struct notifier_block ftrace_suspend_notifier = { + .notifier_call = ftrace_suspend_notifier_call, +}; + int register_ftrace_graph(trace_func_graph_ret_t retfunc, trace_func_graph_ent_t entryfunc) { @@ -5099,7 +5102,6 @@ int register_ftrace_graph(trace_func_graph_ret_t retfunc, goto out; } - ftrace_suspend_notifier.notifier_call = ftrace_suspend_notifier_call; register_pm_notifier(&ftrace_suspend_notifier); ftrace_graph_active++; -- 1.7.10.4
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