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>

1 files changed, 42 insertions, 0 deletions

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;