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Subject[PATCH] markers: remove 2 exported symbols

__mark_empty_function() and marker_probe_cb_noarg()
should not be seen by outer code. this patch remove them.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
diff --git a/include/linux/marker.h b/include/linux/marker.h
index 1290653..f4d4d28 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -132,12 +132,8 @@ static inline void __printf(1, 2) ___mark_check_format(const char *fmt, ...)
___mark_check_format(format, ## args); \
} while (0)

-extern marker_probe_func __mark_empty_function;
-
extern void marker_probe_cb(const struct marker *mdata,
void *call_private, ...);
-extern void marker_probe_cb_noarg(const struct marker *mdata,
- void *call_private, ...);

/*
* Connect a probe to a marker.
diff --git a/kernel/marker.c b/kernel/marker.c
index 7d1faec..4440a09 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -81,11 +81,10 @@ static struct hlist_head marker_table[MARKER_TABLE_SIZE];
* though the function pointer change and the marker enabling are two distinct
* operations that modifies the execution flow of preemptible code.
*/
-void __mark_empty_function(void *probe_private, void *call_private,
+static void __mark_empty_function(void *probe_private, void *call_private,
const char *fmt, va_list *args)
{
}
-EXPORT_SYMBOL_GPL(__mark_empty_function);

/*
* marker_probe_cb Callback that prepares the variable argument list for probes.
@@ -157,7 +156,7 @@ EXPORT_SYMBOL_GPL(marker_probe_cb);
*
* Should be connected to markers "MARK_NOARGS".
*/
-void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
+static void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
{
va_list args; /* not initialized */
char ptype;
@@ -197,7 +196,6 @@ void marker_probe_cb_noarg(const struct marker *mdata, void *call_private, ...)
}
preempt_enable();
}
-EXPORT_SYMBOL_GPL(marker_probe_cb_noarg);

static void free_old_closure(struct rcu_head *head)
{




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