serial: pxa: fine-tune clk useage

[karo-tx-linux.git] / kernel / posix-cpu-timers.c

diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index f07827a4e281b5658d585aa2d786009dc2bd818c..a278cad1d5d6225a52e6bf00b2fd90f98bbe916e 100644 (file)
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -218,30 +218,6 @@ static int cpu_clock_sample(const clockid_t which_clock, struct task_struct *p,
        return 0;
 }
 
-void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
-{
-       struct signal_struct *sig = tsk->signal;
-       struct task_struct *t;
-
-       times->utime = sig->utime;
-       times->stime = sig->stime;
-       times->sum_exec_runtime = sig->sum_sched_runtime;
-
-       rcu_read_lock();
-       /* make sure we can trust tsk->thread_group list */
-       if (!likely(pid_alive(tsk)))
-               goto out;
-
-       t = tsk;
-       do {
-               times->utime += t->utime;
-               times->stime += t->stime;
-               times->sum_exec_runtime += task_sched_runtime(t);
-       } while_each_thread(tsk, t);
-out:
-       rcu_read_unlock();
-}
-
 static void update_gt_cputime(struct task_cputime *a, struct task_cputime *b)
 {
        if (b->utime > a->utime)