[PATCH] clocksource: Make clocksource insert entry more efficient

[Yongkai Wu]

In clocksource_enqueue(), it is unnecessary to do
entry = &tmp->list
in every loop,do it once in the last loop is enough.

Signed-off-by: Yongkai Wu <ni...@163.com>
---
 kernel/time/clocksource.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 3bcc19c..da4829b 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -829,11 +829,12 @@ static void clocksource_enqueue(struct clocksource *cs)
 
        list_for_each_entry(tmp, &clocksource_list, list) {
                /* Keep track of the place, where to insert */
-               if (tmp->rating < cs->rating)
+               if (tmp->rating < cs->rating) {
+                       entry = &tmp->list;
                        break;
-               entry = &tmp->list;
+               }
        }
-       list_add(&cs->list, entry);
+       list_add_tail(&cs->list, entry);
 }
 
 /**
-- 
1.8.3.1