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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>
This commit is contained in:
Jeremy Linton 2017-05-31 16:56:46 -05:00 committed by Steven Rostedt (VMware)
parent 23bf8cb8dc
commit 1793ed939b
1 changed files with 7 additions and 7 deletions
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14
kernel/trace/trace.c
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@ -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) { }