trace: rename trace_enum_mutex to trace_eval_mutex

There is a lock protecting the trace_enum_map, rename
it to reflect the use by more than enums.

Link: http://lkml.kernel.org/r/20170531215653.3240-6-jeremy.linton@arm.com
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 13c81f4f2bd75e44889362ca04e4bf13d4af41d4..e0279f5dc83fe86cb25834777bfe161e9cf616cf 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -138,7 +138,7 @@ struct trace_eval_map_tail {
        const char                      *end;   /* points to NULL */
 };
 
-static DEFINE_MUTEX(trace_enum_mutex);
+static DEFINE_MUTEX(trace_eval_mutex);
 
 /*
  * The trace_eval_maps are saved in an array with two extra elements,
@@ -4785,7 +4785,7 @@ static void *enum_map_start(struct seq_file *m, loff_t *pos)
        union trace_eval_map_item *v;
        loff_t l = 0;
 
-       mutex_lock(&trace_enum_mutex);
+       mutex_lock(&trace_eval_mutex);
 
        v = trace_eval_maps;
        if (v)
@@ -4800,7 +4800,7 @@ static void *enum_map_start(struct seq_file *m, loff_t *pos)
 
 static void enum_map_stop(struct seq_file *m, void *v)
 {
-       mutex_unlock(&trace_enum_mutex);
+       mutex_unlock(&trace_eval_mutex);
 }
 
 static int enum_map_show(struct seq_file *m, void *v)
@@ -4865,7 +4865,7 @@ trace_insert_enum_map_file(struct module *mod, struct trace_eval_map **start,
                return;
        }
 
-       mutex_lock(&trace_enum_mutex);
+       mutex_lock(&trace_eval_mutex);
 
        if (!trace_eval_maps)
                trace_eval_maps = map_array;
@@ -4890,7 +4890,7 @@ trace_insert_enum_map_file(struct module *mod, struct trace_eval_map **start,
        }
        memset(map_array, 0, sizeof(*map_array));
 
-       mutex_unlock(&trace_enum_mutex);
+       mutex_unlock(&trace_eval_mutex);
 }
 
 static void trace_create_enum_file(struct dentry *d_tracer)
@@ -7768,7 +7768,7 @@ static void trace_module_remove_enums(struct module *mod)
        if (!mod->num_trace_evals)
                return;
 
-       mutex_lock(&trace_enum_mutex);
+       mutex_lock(&trace_eval_mutex);
 
        map = trace_eval_maps;
 
@@ -7785,7 +7785,7 @@ static void trace_module_remove_enums(struct module *mod)
        *last = trace_enum_jmp_to_tail(map)->tail.next;
        kfree(map);
  out:
-       mutex_unlock(&trace_enum_mutex);
+       mutex_unlock(&trace_eval_mutex);
 }
 #else
 static inline void trace_module_remove_enums(struct module *mod) { }