1 files changed, 20 insertions, 2 deletions

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 9a2a45c970e7..0870db23d79c 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -558,8 +558,6 @@ struct rq {
 #ifdef CONFIG_NO_HZ_FULL
         unsigned long last_sched_tick;
 #endif
-        int skip_clock_update;
-
         /* capture load from *all* tasks on this cpu: */
         struct load_weight load;
         unsigned long nr_load_updates;
@@ -588,6 +586,7 @@ struct rq {
         unsigned long next_balance;
         struct mm_struct *prev_mm;
 
+        unsigned int clock_skip_update;
         u64 clock;
         u64 clock_task;
 
@@ -687,16 +686,35 @@ DECLARE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
 #define cpu_curr(cpu)           (cpu_rq(cpu)->curr)
 #define raw_rq()                raw_cpu_ptr(&runqueues)
 
+static inline u64 __rq_clock_broken(struct rq *rq)
+{
+        return ACCESS_ONCE(rq->clock);
+}
+
 static inline u64 rq_clock(struct rq *rq)
 {
+        lockdep_assert_held(&rq->lock);
         return rq->clock;
 }
 
 static inline u64 rq_clock_task(struct rq *rq)
 {
+        lockdep_assert_held(&rq->lock);
         return rq->clock_task;
 }
 
+#define RQCF_REQ_SKIP   0x01
+#define RQCF_ACT_SKIP   0x02
+
+static inline void rq_clock_skip_update(struct rq *rq, bool skip)
+{
+        lockdep_assert_held(&rq->lock);
+        if (skip)
+                rq->clock_skip_update |= RQCF_REQ_SKIP;
+        else
+                rq->clock_skip_update &= ~RQCF_REQ_SKIP;
+}
+
 #ifdef CONFIG_NUMA
 enum numa_topology_type {
         NUMA_DIRECT,