[PATCH] Correct tty doc

[linux-2.6] / drivers / acpi / processor_idle.c

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 2be895895943b5eba51973fa3678d49819cef038..3b97a5eae9e83d9e8676df512af7a8999770b01b 100644 (file)
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -54,10 +54,10 @@ ACPI_MODULE_NAME("acpi_processor")
 #define US_TO_PM_TIMER_TICKS(t)                ((t * (PM_TIMER_FREQUENCY/1000)) / 1000)
 #define C2_OVERHEAD                    4       /* 1us (3.579 ticks per us) */
 #define C3_OVERHEAD                    4       /* 1us (3.579 ticks per us) */
-static void (*pm_idle_save) (void);
+static void (*pm_idle_save) (void) __read_mostly;
 module_param(max_cstate, uint, 0644);
 
-static unsigned int nocst = 0;
+static unsigned int nocst __read_mostly;
 module_param(nocst, uint, 0000);
 
 /*
@@ -67,7 +67,7 @@ module_param(nocst, uint, 0000);
  * 100 HZ: 0x0000000F: 4 jiffies = 40ms
  * reduce history for more aggressive entry into C3
  */
-static unsigned int bm_history =
+static unsigned int bm_history __read_mostly =
     (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1));
 module_param(bm_history, uint, 0644);
 /* --------------------------------------------------------------------------
@@ -876,10 +876,10 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
 {
        unsigned int i;
        unsigned int working = 0;
-       int timer_broadcast = 0;
-       cpumask_t mask = cpumask_of_cpu(pr->id);
 
 #ifdef ARCH_APICTIMER_STOPS_ON_C3
+       int timer_broadcast = 0;
+       cpumask_t mask = cpumask_of_cpu(pr->id);
        on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
 #endif
 
@@ -915,8 +915,10 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
                        working++;
        }
 
+#ifdef ARCH_APICTIMER_STOPS_ON_C3
        if (timer_broadcast)
                on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
+#endif
 
        return (working);
 }
@@ -1079,7 +1081,7 @@ int acpi_processor_power_init(struct acpi_processor *pr,
                              struct acpi_device *device)
 {
        acpi_status status = 0;
-       static int first_run = 0;
+       static int first_run;
        struct proc_dir_entry *entry = NULL;
        unsigned int i;