[lttng-dev] [PATCH 14/15] lttng: remove task_prio wrapper

[mathieu.desnoyers@efficios.com (Mathieu Desnoyers)]

Use the newly exported task_prio symbol.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
---
 drivers/staging/lttng/lttng-context-prio.c |   23 +----------------------
 1 files changed, 1 insertions(+), 22 deletions(-)

diff --git a/drivers/staging/lttng/lttng-context-prio.c b/drivers/staging/lttng/lttng-context-prio.c
index f4f64de..9d46ba0 100644
--- a/drivers/staging/lttng/lttng-context-prio.c
+++ b/drivers/staging/lttng/lttng-context-prio.c
@@ -12,23 +12,9 @@
 #include <linux/sched.h>
 #include "ltt-events.h"
 #include "wrapper/ringbuffer/frontend_types.h"
-#include "wrapper/kallsyms.h"
 #include "ltt-tracer.h"
 
 static
-int (*wrapper_task_prio_sym)(struct task_struct *t);
-
-int wrapper_task_prio_init(void)
-{
-	wrapper_task_prio_sym = (void *) kallsyms_lookup_funcptr("task_prio");
-	if (!wrapper_task_prio_sym) {
-		printk(KERN_WARNING "LTTng: task_prio symbol lookup failed.\n");
-		return -EINVAL;
-	}
-	return 0;
-}
-
-static
 size_t prio_get_size(size_t offset)
 {
 	size_t size = 0;
@@ -45,7 +31,7 @@ void prio_record(struct lttng_ctx_field *field,
 {
 	int prio;
 
-	prio = wrapper_task_prio_sym(current);
+	prio = task_prio(current);
 	lib_ring_buffer_align_ctx(ctx, ltt_alignof(prio));
 	chan->ops->event_write(ctx, &prio, sizeof(prio));
 }
@@ -53,13 +39,6 @@ void prio_record(struct lttng_ctx_field *field,
 int lttng_add_prio_to_ctx(struct lttng_ctx **ctx)
 {
 	struct lttng_ctx_field *field;
-	int ret;
-
-	if (!wrapper_task_prio_sym) {
-		ret = wrapper_task_prio_init();
-		if (ret)
-			return ret;
-	}
 
 	field = lttng_append_context(ctx);
 	if (!field)
-- 
1.7.5.4