Merge branch 'perf/core' of git://github.com/acmel/linux into perf/core

[pandora-kernel.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index ec15e81..b50b0f0 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3065,7 +3065,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev)
 #ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
        local_irq_disable();
 #endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */
-       perf_event_task_sched_in(current);
+       perf_event_task_sched_in(prev, current);
 #ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
        local_irq_enable();
 #endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */
@@ -3724,30 +3724,6 @@ unsigned long long task_sched_runtime(struct task_struct *p)
        return ns;
 }
 
-/*
- * Return sum_exec_runtime for the thread group.
- * In case the task is currently running, return the sum plus current's
- * pending runtime that have not been accounted yet.
- *
- * Note that the thread group might have other running tasks as well,
- * so the return value not includes other pending runtime that other
- * running tasks might have.
- */
-unsigned long long thread_group_sched_runtime(struct task_struct *p)
-{
-       struct task_cputime totals;
-       unsigned long flags;
-       struct rq *rq;
-       u64 ns;
-
-       rq = task_rq_lock(p, &flags);
-       thread_group_cputime(p, &totals);
-       ns = totals.sum_exec_runtime + do_task_delta_exec(p, rq);
-       task_rq_unlock(rq, p, &flags);
-
-       return ns;
-}
-
 /*
  * Account user cpu time to a process.
  * @p: the process that the cpu time gets accounted to
@@ -4322,16 +4298,6 @@ need_resched:
                                if (to_wakeup)
                                        try_to_wake_up_local(to_wakeup);
                        }
-
-                       /*
-                        * If we are going to sleep and we have plugged IO
-                        * queued, make sure to submit it to avoid deadlocks.
-                        */
-                       if (blk_needs_flush_plug(prev)) {
-                               raw_spin_unlock(&rq->lock);
-                               blk_schedule_flush_plug(prev);
-                               raw_spin_lock(&rq->lock);
-                       }
                }
                switch_count = &prev->nvcsw;
        }
@@ -4370,8 +4336,23 @@ need_resched:
                goto need_resched;
 }
 
-asmlinkage void schedule(void)
+static inline void sched_submit_work(struct task_struct *tsk)
+{
+       if (!tsk->state)
+               return;
+       /*
+        * If we are going to sleep and we have plugged IO queued,
+        * make sure to submit it to avoid deadlocks.
+        */
+       if (blk_needs_flush_plug(tsk))
+               blk_schedule_flush_plug(tsk);
+}
+
+asmlinkage void __sched schedule(void)
 {
+       struct task_struct *tsk = current;
+
+       sched_submit_work(tsk);
        __schedule();
 }
 EXPORT_SYMBOL(schedule);
@@ -7448,6 +7429,7 @@ static void __sdt_free(const struct cpumask *cpu_map)
                        struct sched_domain *sd = *per_cpu_ptr(sdd->sd, j);
                        if (sd && (sd->flags & SD_OVERLAP))
                                free_sched_groups(sd->groups, 0);
+                       kfree(*per_cpu_ptr(sdd->sd, j));
                        kfree(*per_cpu_ptr(sdd->sg, j));
                        kfree(*per_cpu_ptr(sdd->sgp, j));
                }