[PATCH 05/12] trace: rename trace_enum_mutex to trace_eval_mutex

From: Jeremy Linton
Date: Wed May 31 2017 - 17:58:51 EST


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

Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
---
kernel/trace/trace.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index af6ec07..e1bc56c 100644
--- 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,
@@ -4758,7 +4758,7 @@ 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)
@@ -4773,7 +4773,7 @@ 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)
@@ -4838,7 +4838,7 @@ 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;
@@ -4863,7 +4863,7 @@ 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)
@@ -7740,7 +7740,7 @@ 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;

@@ -7757,7 +7757,7 @@ 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) { }
--
2.9.4