diff options
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r-- | kernel/trace/ftrace.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index ef0826204840..3c345825cc23 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1811,22 +1811,27 @@ int __weak ftrace_arch_code_modify_post_process(void) return 0; } -static int __ftrace_modify_code(void *data) +void ftrace_modify_all_code(int command) { - int *command = data; - - if (*command & FTRACE_UPDATE_CALLS) + if (command & FTRACE_UPDATE_CALLS) ftrace_replace_code(1); - else if (*command & FTRACE_DISABLE_CALLS) + else if (command & FTRACE_DISABLE_CALLS) ftrace_replace_code(0); - if (*command & FTRACE_UPDATE_TRACE_FUNC) + if (command & FTRACE_UPDATE_TRACE_FUNC) ftrace_update_ftrace_func(ftrace_trace_function); - if (*command & FTRACE_START_FUNC_RET) + if (command & FTRACE_START_FUNC_RET) ftrace_enable_ftrace_graph_caller(); - else if (*command & FTRACE_STOP_FUNC_RET) + else if (command & FTRACE_STOP_FUNC_RET) ftrace_disable_ftrace_graph_caller(); +} + +static int __ftrace_modify_code(void *data) +{ + int *command = data; + + ftrace_modify_all_code(*command); return 0; } |