x86: Clean up apic.c and apic.h
This patch moves some functions and variables into init
sections, makes a function static and removes some lines of
cruft.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
LKML-Reference: <1299826956-8607-2-git-send-email-henne@nachtwindheim.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 4f43312..ffbf7c2 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -84,7 +84,7 @@
*
* +1=force-enable
*/
-static int force_enable_local_apic;
+static int force_enable_local_apic __initdata;
/*
* APIC command line parameters
*/
@@ -154,7 +154,7 @@
unsigned long mp_lapic_addr;
int disable_apic;
/* Disable local APIC timer from the kernel commandline or via dmi quirk */
-static int disable_apic_timer __cpuinitdata;
+static int disable_apic_timer __initdata;
/* Local APIC timer works in C2 */
int local_apic_timer_c2_ok;
EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
@@ -178,29 +178,8 @@
static unsigned int calibration_result;
-static int lapic_next_event(unsigned long delta,
- struct clock_event_device *evt);
-static void lapic_timer_setup(enum clock_event_mode mode,
- struct clock_event_device *evt);
-static void lapic_timer_broadcast(const struct cpumask *mask);
static void apic_pm_activate(void);
-/*
- * The local apic timer can be used for any function which is CPU local.
- */
-static struct clock_event_device lapic_clockevent = {
- .name = "lapic",
- .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT
- | CLOCK_EVT_FEAT_C3STOP | CLOCK_EVT_FEAT_DUMMY,
- .shift = 32,
- .set_mode = lapic_timer_setup,
- .set_next_event = lapic_next_event,
- .broadcast = lapic_timer_broadcast,
- .rating = 100,
- .irq = -1,
-};
-static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
-
static unsigned long apic_phys;
/*
@@ -239,7 +218,7 @@
* right after this call apic become NOOP driven
* so apic->write/read doesn't do anything
*/
-void apic_disable(void)
+static void __init apic_disable(void)
{
pr_info("APIC: switched to apic NOOP\n");
apic = &apic_noop;
@@ -283,23 +262,6 @@
return icr1 | ((u64)icr2 << 32);
}
-/**
- * enable_NMI_through_LVT0 - enable NMI through local vector table 0
- */
-void __cpuinit enable_NMI_through_LVT0(void)
-{
- unsigned int v;
-
- /* unmask and set to NMI */
- v = APIC_DM_NMI;
-
- /* Level triggered for 82489DX (32bit mode) */
- if (!lapic_is_integrated())
- v |= APIC_LVT_LEVEL_TRIGGER;
-
- apic_write(APIC_LVT0, v);
-}
-
#ifdef CONFIG_X86_32
/**
* get_physical_broadcast - Get number of physical broadcast IDs
@@ -509,6 +471,23 @@
#endif
}
+
+/*
+ * The local apic timer can be used for any function which is CPU local.
+ */
+static struct clock_event_device lapic_clockevent = {
+ .name = "lapic",
+ .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT
+ | CLOCK_EVT_FEAT_C3STOP | CLOCK_EVT_FEAT_DUMMY,
+ .shift = 32,
+ .set_mode = lapic_timer_setup,
+ .set_next_event = lapic_next_event,
+ .broadcast = lapic_timer_broadcast,
+ .rating = 100,
+ .irq = -1,
+};
+static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
+
/*
* Setup the local APIC timer for this CPU. Copy the initialized values
* of the boot CPU and register the clock event in the framework.
@@ -1538,7 +1517,7 @@
}
#else
-static int apic_verify(void)
+static int __init apic_verify(void)
{
u32 features, h, l;
@@ -1563,7 +1542,7 @@
return 0;
}
-int apic_force_enable(unsigned long addr)
+int __init apic_force_enable(unsigned long addr)
{
u32 h, l;