tracing: remove unused variable

[firefly-linux-kernel-4.4.55.git] / kernel / trace / trace.c

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 2e37857f7dfe0f2585e50302ae0ffef9d6fb3c4e..8f3fb3db61c39306bdbffd36303cfed7dab02420 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -852,6 +852,48 @@ 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->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->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,
@@ -1141,7 +1183,6 @@ static void *find_next_entry_inc(struct trace_iterator *iter)
 static void *s_next(struct seq_file *m, void *v, loff_t *pos)
 {
        struct trace_iterator *iter = m->private;
-       void *last_ent = iter->ent;
        int i = (int)*pos;
        void *ent;
 
@@ -1161,9 +1202,6 @@ static void *s_next(struct seq_file *m, void *v, loff_t *pos)
 
        iter->pos = *pos;
 
-       if (last_ent && !ent)
-               seq_puts(m, "\n\nvim:ft=help\n");
-
        return ent;
 }
 
@@ -2887,6 +2925,9 @@ static __init void tracer_init_debugfs(void)
                pr_warning("Could not create debugfs "
                           "'dyn_ftrace_total_info' entry\n");
 #endif
+#ifdef CONFIG_SYSPROF_TRACER
+       init_tracer_sysprof_debugfs(d_tracer);
+#endif
 }
 
 static int trace_alloc_page(void)