kfifo: document everywhere that size has to be power of two

[safe/jmp/linux-2.6] / kernel / time / tick-broadcast.c

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index c2ec250..b3bafd5 100644 (file)
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -31,7 +31,7 @@ static struct tick_device tick_broadcast_device;
 /* FIXME: Use cpumask_var_t. */
 static DECLARE_BITMAP(tick_broadcast_mask, NR_CPUS);
 static DECLARE_BITMAP(tmpmask, NR_CPUS);
-static DEFINE_SPINLOCK(tick_broadcast_lock);
+static DEFINE_RAW_SPINLOCK(tick_broadcast_lock);
 static int tick_broadcast_force;
 
 #ifdef CONFIG_TICK_ONESHOT
@@ -96,7 +96,7 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
        unsigned long flags;
        int ret = 0;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        /*
         * Devices might be registered with both periodic and oneshot
@@ -122,7 +122,7 @@ int tick_device_uses_broadcast(struct clock_event_device *dev, int cpu)
                        tick_broadcast_clear_oneshot(cpu);
                }
        }
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
        return ret;
 }
 
@@ -161,13 +161,13 @@ static void tick_do_broadcast(struct cpumask *mask)
  */
 static void tick_do_periodic_broadcast(void)
 {
-       spin_lock(&tick_broadcast_lock);
+       raw_spin_lock(&tick_broadcast_lock);
 
        cpumask_and(to_cpumask(tmpmask),
                    cpu_online_mask, tick_get_broadcast_mask());
        tick_do_broadcast(to_cpumask(tmpmask));
 
-       spin_unlock(&tick_broadcast_lock);
+       raw_spin_unlock(&tick_broadcast_lock);
 }
 
 /*
@@ -212,7 +212,7 @@ static void tick_do_broadcast_on_off(unsigned long *reason)
        unsigned long flags;
        int cpu, bc_stopped;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        cpu = smp_processor_id();
        td = &per_cpu(tick_cpu_device, cpu);
@@ -263,7 +263,7 @@ static void tick_do_broadcast_on_off(unsigned long *reason)
                        tick_broadcast_setup_oneshot(bc);
        }
 out:
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
 /*
@@ -299,7 +299,7 @@ void tick_shutdown_broadcast(unsigned int *cpup)
        unsigned long flags;
        unsigned int cpu = *cpup;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        bc = tick_broadcast_device.evtdev;
        cpumask_clear_cpu(cpu, tick_get_broadcast_mask());
@@ -309,7 +309,7 @@ void tick_shutdown_broadcast(unsigned int *cpup)
                        clockevents_shutdown(bc);
        }
 
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
 void tick_suspend_broadcast(void)
@@ -317,13 +317,13 @@ void tick_suspend_broadcast(void)
        struct clock_event_device *bc;
        unsigned long flags;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        bc = tick_broadcast_device.evtdev;
        if (bc)
                clockevents_shutdown(bc);
 
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
 int tick_resume_broadcast(void)
@@ -332,7 +332,7 @@ int tick_resume_broadcast(void)
        unsigned long flags;
        int broadcast = 0;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        bc = tick_broadcast_device.evtdev;
 
@@ -351,7 +351,7 @@ int tick_resume_broadcast(void)
                        break;
                }
        }
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 
        return broadcast;
 }
@@ -405,7 +405,7 @@ static void tick_handle_oneshot_broadcast(struct clock_event_device *dev)
        ktime_t now, next_event;
        int cpu;
 
-       spin_lock(&tick_broadcast_lock);
+       raw_spin_lock(&tick_broadcast_lock);
 again:
        dev->next_event.tv64 = KTIME_MAX;
        next_event.tv64 = KTIME_MAX;
@@ -443,7 +443,7 @@ again:
                if (tick_broadcast_set_event(next_event, 0))
                        goto again;
        }
-       spin_unlock(&tick_broadcast_lock);
+       raw_spin_unlock(&tick_broadcast_lock);
 }
 
 /*
@@ -457,7 +457,7 @@ void tick_broadcast_oneshot_control(unsigned long reason)
        unsigned long flags;
        int cpu;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        /*
         * Periodic mode does not care about the enter/exit of power
@@ -492,7 +492,7 @@ void tick_broadcast_oneshot_control(unsigned long reason)
        }
 
 out:
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
 /*
@@ -563,13 +563,13 @@ void tick_broadcast_switch_to_oneshot(void)
        struct clock_event_device *bc;
        unsigned long flags;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        tick_broadcast_device.mode = TICKDEV_MODE_ONESHOT;
        bc = tick_broadcast_device.evtdev;
        if (bc)
                tick_broadcast_setup_oneshot(bc);
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
 
@@ -581,7 +581,7 @@ void tick_shutdown_broadcast_oneshot(unsigned int *cpup)
        unsigned long flags;
        unsigned int cpu = *cpup;
 
-       spin_lock_irqsave(&tick_broadcast_lock, flags);
+       raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        /*
         * Clear the broadcast mask flag for the dead cpu, but do not
@@ -589,7 +589,7 @@ void tick_shutdown_broadcast_oneshot(unsigned int *cpup)
         */
        cpumask_clear_cpu(cpu, tick_get_broadcast_oneshot_mask());
 
-       spin_unlock_irqrestore(&tick_broadcast_lock, flags);
+       raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
 /*