2 files changed, 2 insertions, 2 deletions

diff --git a/kernel/Kconfig.hz b/kernel/Kconfig.hz
index 2a202a846757..382dd5a8b2d7 100644
--- a/kernel/Kconfig.hz
+++ b/kernel/Kconfig.hz
@@ -55,4 +55,4 @@ config HZ
         default 1000 if HZ_1000
 
 config SCHED_HRTICK
-        def_bool HIGH_RES_TIMERS
+        def_bool HIGH_RES_TIMERS && USE_GENERIC_SMP_HELPERS
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index f85a76363eee..908c04f9dad0 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -253,7 +253,7 @@ static int do_balance_runtime(struct rt_rq *rt_rq)
 
                 diff = iter->rt_runtime - iter->rt_time;
                 if (diff > 0) {
-                        do_div(diff, weight);
+                        diff = div_u64((u64)diff, weight);
                         if (rt_rq->rt_runtime + diff > rt_period)
                                 diff = rt_period - rt_rq->rt_runtime;
                         iter->rt_runtime -= diff;