ftrace: move mmiotrace functions out of trace.c

Moves the mmiotrace specific functions from trace.c to
trace_mmiotrace.c. Functions trace_wake_up(), tracing_get_trace_entry(),
and tracing_generic_entry_update() are therefore made available outside
trace.c.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 50 insertions, 53 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7e6cb4fe62f2..d372bc535963 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -785,7 +785,7 @@ trace_next_page(struct trace_array_cpu *data, void *addr)
         return page_address(page);
 }
 
-static inline struct trace_entry *
+struct trace_entry *
 tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
 {
         unsigned long idx, idx_next;
@@ -821,7 +821,7 @@ tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
         return entry;
 }
 
-static inline void
+void
 tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
 {
         struct task_struct *tsk = current;
@@ -865,48 +865,6 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
                 trace_function(tr, data, ip, parent_ip, flags);
 }
 
-#ifdef CONFIG_MMIOTRACE
-void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data,
-                                                struct mmiotrace_rw *rw)
-{
-        struct trace_entry *entry;
-        unsigned long irq_flags;
-
-        raw_local_irq_save(irq_flags);
-        __raw_spin_lock(&data->lock);
-
-        entry                           = tracing_get_trace_entry(tr, data);
-        tracing_generic_entry_update(entry, 0);
-        entry->type                     = TRACE_MMIO_RW;
-        entry->field.mmiorw             = *rw;
-
-        __raw_spin_unlock(&data->lock);
-        raw_local_irq_restore(irq_flags);
-
-        trace_wake_up();
-}
-
-void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data,
-                                                struct mmiotrace_map *map)
-{
-        struct trace_entry *entry;
-        unsigned long irq_flags;
-
-        raw_local_irq_save(irq_flags);
-        __raw_spin_lock(&data->lock);
-
-        entry                           = tracing_get_trace_entry(tr, data);
-        tracing_generic_entry_update(entry, 0);
-        entry->type                     = TRACE_MMIO_MAP;
-        entry->field.mmiomap            = *map;
-
-        __raw_spin_unlock(&data->lock);
-        raw_local_irq_restore(irq_flags);
-
-        trace_wake_up();
-}
-#endif
-
 void __trace_stack(struct trace_array *tr,
                    struct trace_array_cpu *data,
                    unsigned long flags,
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 77c265f6a779..9d39aa00a9c6 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -213,11 +213,17 @@ struct trace_iterator {
         long                    idx;
 };
 
+void trace_wake_up(void);
 void tracing_reset(struct trace_array_cpu *data);
 int tracing_open_generic(struct inode *inode, struct file *filp);
 struct dentry *tracing_init_dentry(void);
 void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
 
+struct trace_entry *tracing_get_trace_entry(struct trace_array *tr,
+                                                struct trace_array_cpu *data);
+void tracing_generic_entry_update(struct trace_entry *entry,
+                                                unsigned long flags);
+
 void ftrace(struct trace_array *tr,
                             struct trace_array_cpu *data,
                             unsigned long ip,
@@ -291,15 +297,6 @@ extern unsigned long ftrace_update_tot_cnt;
 extern int DYN_FTRACE_TEST_NAME(void);
 #endif
 
-#ifdef CONFIG_MMIOTRACE
-extern void __trace_mmiotrace_rw(struct trace_array *tr,
-                                struct trace_array_cpu *data,
-                                struct mmiotrace_rw *rw);
-extern void __trace_mmiotrace_map(struct trace_array *tr,
-                                struct trace_array_cpu *data,
-                                struct mmiotrace_map *map);
-#endif
-
 #ifdef CONFIG_FTRACE_STARTUP_TEST
 #ifdef CONFIG_FTRACE
 extern int trace_selftest_startup_function(struct tracer *trace,
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 9b7a936f4b1f..ef02747b26d9 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -276,6 +276,27 @@ __init static int init_mmio_trace(void)
 }
 device_initcall(init_mmio_trace);
 
+static void __trace_mmiotrace_rw(struct trace_array *tr,
+                                struct trace_array_cpu *data,
+                                struct mmiotrace_rw *rw)
+{
+        struct trace_entry *entry;
+        unsigned long irq_flags;
+
+        raw_local_irq_save(irq_flags);
+        __raw_spin_lock(&data->lock);
+
+        entry                           = tracing_get_trace_entry(tr, data);
+        tracing_generic_entry_update(entry, 0);
+        entry->type                     = TRACE_MMIO_RW;
+        entry->field.mmiorw             = *rw;
+
+        __raw_spin_unlock(&data->lock);
+        raw_local_irq_restore(irq_flags);
+
+        trace_wake_up();
+}
+
 void mmio_trace_rw(struct mmiotrace_rw *rw)
 {
         struct trace_array *tr = mmio_trace_array;
@@ -283,6 +304,27 @@ void mmio_trace_rw(struct mmiotrace_rw *rw)
         __trace_mmiotrace_rw(tr, data, rw);
 }
 
+static void __trace_mmiotrace_map(struct trace_array *tr,
+                                struct trace_array_cpu *data,
+                                struct mmiotrace_map *map)
+{
+        struct trace_entry *entry;
+        unsigned long irq_flags;
+
+        raw_local_irq_save(irq_flags);
+        __raw_spin_lock(&data->lock);
+
+        entry                           = tracing_get_trace_entry(tr, data);
+        tracing_generic_entry_update(entry, 0);
+        entry->type                     = TRACE_MMIO_MAP;
+        entry->field.mmiomap            = *map;
+
+        __raw_spin_unlock(&data->lock);
+        raw_local_irq_restore(irq_flags);
+
+        trace_wake_up();
+}
+
 void mmio_trace_mapping(struct mmiotrace_map *map)
 {
         struct trace_array *tr = mmio_trace_array;