lockdep: Reduce stack_trace usage

[safe/jmp/linux-2.6] / kernel / sched_debug.c

diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 0fc5287..9b49db1 100644 (file)
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -184,7 +184,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "exec_clock",
                        SPLIT_NS(cfs_rq->exec_clock));
 
-       spin_lock_irqsave(&rq->lock, flags);
+       raw_spin_lock_irqsave(&rq->lock, flags);
        if (cfs_rq->rb_leftmost)
                MIN_vruntime = (__pick_next_entity(cfs_rq))->vruntime;
        last = __pick_last_entity(cfs_rq);
@@ -192,7 +192,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
                max_vruntime = last->vruntime;
        min_vruntime = cfs_rq->min_vruntime;
        rq0_min_vruntime = cpu_rq(0)->cfs.min_vruntime;
-       spin_unlock_irqrestore(&rq->lock, flags);
+       raw_spin_unlock_irqrestore(&rq->lock, flags);
        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "MIN_vruntime",
                        SPLIT_NS(MIN_vruntime));
        SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "min_vruntime",
@@ -432,7 +432,6 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
        P(se.nr_failed_migrations_running);
        P(se.nr_failed_migrations_hot);
        P(se.nr_forced_migrations);
-       P(se.nr_forced2_migrations);
        P(se.nr_wakeups);
        P(se.nr_wakeups_sync);
        P(se.nr_wakeups_migrate);
@@ -508,7 +507,6 @@ void proc_sched_set_task(struct task_struct *p)
        p->se.nr_failed_migrations_running      = 0;
        p->se.nr_failed_migrations_hot          = 0;
        p->se.nr_forced_migrations              = 0;
-       p->se.nr_forced2_migrations             = 0;
        p->se.nr_wakeups                        = 0;
        p->se.nr_wakeups_sync                   = 0;
        p->se.nr_wakeups_migrate                = 0;
@@ -520,8 +518,4 @@ void proc_sched_set_task(struct task_struct *p)
        p->se.nr_wakeups_idle                   = 0;
        p->sched_info.bkl_count                 = 0;
 #endif
-       p->se.sum_exec_runtime                  = 0;
-       p->se.prev_sum_exec_runtime             = 0;
-       p->nvcsw                                = 0;
-       p->nivcsw                               = 0;
 }