tracing: Fix compile error when static ftrace is enabled
The stack tracer uses the call ftrace_set_early_filter() function to allow the stack tracer to pick its own functions on boot. But this function is not defined if dynamic ftrace is not set. This causes a compiler error when stack tracer is enabled and dynamic ftrace is not. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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@ -339,6 +339,7 @@ static inline int ftrace_text_reserved(void *start, void *end)
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* functions may still be called. Use a macro instead of inline.
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* functions may still be called. Use a macro instead of inline.
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*/
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*/
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#define ftrace_regex_open(ops, flag, inod, file) ({ -ENODEV; })
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#define ftrace_regex_open(ops, flag, inod, file) ({ -ENODEV; })
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#define ftrace_set_early_filter(ops, buf, enable) do { } while (0)
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static inline ssize_t ftrace_filter_write(struct file *file, const char __user *ubuf,
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static inline ssize_t ftrace_filter_write(struct file *file, const char __user *ubuf,
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size_t cnt, loff_t *ppos) { return -ENODEV; }
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size_t cnt, loff_t *ppos) { return -ENODEV; }
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