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-rw-r--r--kernel/time/itimer.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/kernel/time/itimer.c b/kernel/time/itimer.c
index 02068b2d5862..77f1e5635cc1 100644
--- a/kernel/time/itimer.c
+++ b/kernel/time/itimer.c
@@ -55,15 +55,10 @@ static void get_cpu_itimer(struct task_struct *tsk, unsigned int clock_id,
 	val = it->expires;
 	interval = it->incr;
 	if (val) {
-		struct task_cputime cputime;
-		u64 t;
+		u64 t, samples[CPUCLOCK_MAX];
 
-		thread_group_cputimer(tsk, &cputime);
-		if (clock_id == CPUCLOCK_PROF)
-			t = cputime.utime + cputime.stime;
-		else
-			/* CPUCLOCK_VIRT */
-			t = cputime.utime;
+		thread_group_sample_cputime(tsk, samples);
+		t = samples[clock_id];
 
 		if (val < t)
 			/* about to fire */
@@ -213,6 +208,7 @@ again:
 		/* We are sharing ->siglock with it_real_fn() */
 		if (hrtimer_try_to_cancel(timer) < 0) {
 			spin_unlock_irq(&tsk->sighand->siglock);
+			hrtimer_cancel_wait_running(timer);
 			goto again;
 		}
 		expires = timeval_to_ktime(value->it_value);