[PATCH REPOST] ftrace: Remove the unused variant ftrace_update_time

[Minfei Huang]

From: Minfei Huang <mnfhuang@xxxxxxxxx>

Since the patch "ftrace: remove daemon(cb7be3b)" remove the function
ftraced, the variant ftrace_update_time never be used any more.

Remove the unused variant ftrace_update_time.

Signed-off-by: Minfei Huang <mnfhuang@xxxxxxxxx>
---
 kernel/trace/ftrace.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index eb11011..c04dff9 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -2761,7 +2761,6 @@ static void ftrace_shutdown_sysctl(void)
 	}
 }
 
-static cycle_t		ftrace_update_time;
 unsigned long		ftrace_update_tot_cnt;
 
 static inline int ops_traces_mod(struct ftrace_ops *ops)
@@ -2821,7 +2820,6 @@ static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs)
 {
 	struct ftrace_page *pg;
 	struct dyn_ftrace *p;
-	cycle_t start, stop;
 	unsigned long update_cnt = 0;
 	unsigned long ref = 0;
 	bool test = false;
@@ -2847,8 +2845,6 @@ static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs)
 		}
 	}
 
-	start = ftrace_now(raw_smp_processor_id());
-
 	for (pg = new_pgs; pg; pg = pg->next) {
 
 		for (i = 0; i < pg->index; i++) {
@@ -2889,8 +2885,6 @@ static int ftrace_update_code(struct module *mod, struct ftrace_page *new_pgs)
 		}
 	}
 
-	stop = ftrace_now(raw_smp_processor_id());
-	ftrace_update_time = stop - start;
 	ftrace_update_tot_cnt += update_cnt;
 
 	return 0;
-- 
2.4.0

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