mm: add comments to explain mm_struct fields

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

diff --git a/kernel/semaphore.c b/kernel/semaphore.c
index 94a62c0..d831841 100644 (file)
--- a/kernel/semaphore.c
+++ b/kernel/semaphore.c
@@ -54,12 +54,12 @@ void down(struct semaphore *sem)
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&sem->lock, flags);
+       raw_spin_lock_irqsave(&sem->lock, flags);
        if (likely(sem->count > 0))
                sem->count--;
        else
                __down(sem);
-       spin_unlock_irqrestore(&sem->lock, flags);
+       raw_spin_unlock_irqrestore(&sem->lock, flags);
 }
 EXPORT_SYMBOL(down);
 
@@ -77,12 +77,12 @@ int down_interruptible(struct semaphore *sem)
        unsigned long flags;
        int result = 0;
 
-       spin_lock_irqsave(&sem->lock, flags);
+       raw_spin_lock_irqsave(&sem->lock, flags);
        if (likely(sem->count > 0))
                sem->count--;
        else
                result = __down_interruptible(sem);
-       spin_unlock_irqrestore(&sem->lock, flags);
+       raw_spin_unlock_irqrestore(&sem->lock, flags);
 
        return result;
 }
@@ -103,12 +103,12 @@ int down_killable(struct semaphore *sem)
        unsigned long flags;
        int result = 0;
 
-       spin_lock_irqsave(&sem->lock, flags);
+       raw_spin_lock_irqsave(&sem->lock, flags);
        if (likely(sem->count > 0))
                sem->count--;
        else
                result = __down_killable(sem);
-       spin_unlock_irqrestore(&sem->lock, flags);
+       raw_spin_unlock_irqrestore(&sem->lock, flags);
 
        return result;
 }
@@ -132,11 +132,11 @@ int down_trylock(struct semaphore *sem)
        unsigned long flags;
        int count;
 
-       spin_lock_irqsave(&sem->lock, flags);
+       raw_spin_lock_irqsave(&sem->lock, flags);
        count = sem->count - 1;
        if (likely(count >= 0))
                sem->count = count;
-       spin_unlock_irqrestore(&sem->lock, flags);
+       raw_spin_unlock_irqrestore(&sem->lock, flags);
 
        return (count < 0);
 }
@@ -157,12 +157,12 @@ int down_timeout(struct semaphore *sem, long jiffies)
        unsigned long flags;
        int result = 0;
 
-       spin_lock_irqsave(&sem->lock, flags);
+       raw_spin_lock_irqsave(&sem->lock, flags);
        if (likely(sem->count > 0))
                sem->count--;
        else
                result = __down_timeout(sem, jiffies);
-       spin_unlock_irqrestore(&sem->lock, flags);
+       raw_spin_unlock_irqrestore(&sem->lock, flags);
 
        return result;
 }
@@ -179,12 +179,12 @@ void up(struct semaphore *sem)
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&sem->lock, flags);
+       raw_spin_lock_irqsave(&sem->lock, flags);
        if (likely(list_empty(&sem->wait_list)))
                sem->count++;
        else
                __up(sem);
-       spin_unlock_irqrestore(&sem->lock, flags);
+       raw_spin_unlock_irqrestore(&sem->lock, flags);
 }
 EXPORT_SYMBOL(up);
 
@@ -217,9 +217,9 @@ static inline int __sched __down_common(struct semaphore *sem, long state,
                if (timeout <= 0)
                        goto timed_out;
                __set_task_state(task, state);
-               spin_unlock_irq(&sem->lock);
+               raw_spin_unlock_irq(&sem->lock);
                timeout = schedule_timeout(timeout);
-               spin_lock_irq(&sem->lock);
+               raw_spin_lock_irq(&sem->lock);
                if (waiter.up)
                        return 0;
        }