diff options
Diffstat (limited to 'kernel/sched.c')
-rw-r--r-- | kernel/sched.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 0236958addcb..655f1db26b12 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -600,7 +600,6 @@ struct rq { | |||
600 | /* BKL stats */ | 600 | /* BKL stats */ |
601 | unsigned int bkl_count; | 601 | unsigned int bkl_count; |
602 | #endif | 602 | #endif |
603 | struct lock_class_key rq_lock_key; | ||
604 | }; | 603 | }; |
605 | 604 | ||
606 | static DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); | 605 | static DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues); |
@@ -2759,10 +2758,10 @@ static void double_rq_lock(struct rq *rq1, struct rq *rq2) | |||
2759 | } else { | 2758 | } else { |
2760 | if (rq1 < rq2) { | 2759 | if (rq1 < rq2) { |
2761 | spin_lock(&rq1->lock); | 2760 | spin_lock(&rq1->lock); |
2762 | spin_lock(&rq2->lock); | 2761 | spin_lock_nested(&rq2->lock, SINGLE_DEPTH_NESTING); |
2763 | } else { | 2762 | } else { |
2764 | spin_lock(&rq2->lock); | 2763 | spin_lock(&rq2->lock); |
2765 | spin_lock(&rq1->lock); | 2764 | spin_lock_nested(&rq1->lock, SINGLE_DEPTH_NESTING); |
2766 | } | 2765 | } |
2767 | } | 2766 | } |
2768 | update_rq_clock(rq1); | 2767 | update_rq_clock(rq1); |
@@ -2805,10 +2804,10 @@ static int double_lock_balance(struct rq *this_rq, struct rq *busiest) | |||
2805 | if (busiest < this_rq) { | 2804 | if (busiest < this_rq) { |
2806 | spin_unlock(&this_rq->lock); | 2805 | spin_unlock(&this_rq->lock); |
2807 | spin_lock(&busiest->lock); | 2806 | spin_lock(&busiest->lock); |
2808 | spin_lock(&this_rq->lock); | 2807 | spin_lock_nested(&this_rq->lock, SINGLE_DEPTH_NESTING); |
2809 | ret = 1; | 2808 | ret = 1; |
2810 | } else | 2809 | } else |
2811 | spin_lock(&busiest->lock); | 2810 | spin_lock_nested(&busiest->lock, SINGLE_DEPTH_NESTING); |
2812 | } | 2811 | } |
2813 | return ret; | 2812 | return ret; |
2814 | } | 2813 | } |
@@ -7998,7 +7997,6 @@ void __init sched_init(void) | |||
7998 | 7997 | ||
7999 | rq = cpu_rq(i); | 7998 | rq = cpu_rq(i); |
8000 | spin_lock_init(&rq->lock); | 7999 | spin_lock_init(&rq->lock); |
8001 | lockdep_set_class(&rq->lock, &rq->rq_lock_key); | ||
8002 | rq->nr_running = 0; | 8000 | rq->nr_running = 0; |
8003 | init_cfs_rq(&rq->cfs, rq); | 8001 | init_cfs_rq(&rq->cfs, rq); |
8004 | init_rt_rq(&rq->rt, rq); | 8002 | init_rt_rq(&rq->rt, rq); |