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ftrace: Remove ftrace_start/stop()

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There are no more kernel users of ftrace_stop() and ftrace_start().
Remove them.

Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2014-06-25 11:25:19 -04:00 committed by Steven Rostedt
parent 545d47b8f3
commit 0ef1b9e0cf
1 changed files with 0 additions and 28 deletions
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28
include/linux/ftrace.h
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@ -143,32 +143,6 @@ enum ftrace_tracing_type_t {
/* Current tracing type, default is FTRACE_TYPE_ENTER */ /* Current tracing type, default is FTRACE_TYPE_ENTER */
extern enum ftrace_tracing_type_t ftrace_tracing_type; extern enum ftrace_tracing_type_t ftrace_tracing_type;
/**
* ftrace_stop - stop function tracer.
*
* A quick way to stop the function tracer. Note this an on off switch,
* it is not something that is recursive like preempt_disable.
* This does not disable the calling of mcount, it only stops the
* calling of functions from mcount.
*/
static inline void ftrace_stop(void)
{
function_trace_stop = 1;
}
/**
* ftrace_start - start the function tracer.
*
* This function is the inverse of ftrace_stop. This does not enable
* the function tracing if the function tracer is disabled. This only
* sets the function tracer flag to continue calling the functions
* from mcount.
*/
static inline void ftrace_start(void)
{
function_trace_stop = 0;
}
/* /*
* The ftrace_ops must be a static and should also * The ftrace_ops must be a static and should also
* be read_mostly. These functions do modify read_mostly variables * be read_mostly. These functions do modify read_mostly variables
@ -245,8 +219,6 @@ static inline int ftrace_nr_registered_ops(void)
} }
static inline void clear_ftrace_function(void) { } static inline void clear_ftrace_function(void) { }
static inline void ftrace_kill(void) { } static inline void ftrace_kill(void) { }
static inline void ftrace_stop(void) { }
static inline void ftrace_start(void) { }
#endif /* CONFIG_FUNCTION_TRACER */ #endif /* CONFIG_FUNCTION_TRACER */
#ifdef CONFIG_STACK_TRACER #ifdef CONFIG_STACK_TRACER