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Subject[patch-mm 28/33] x86_64: remove now unused code
Remove the unused code after the switch to clock events.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

---
arch/x86_64/kernel/apic.c | 108 ----------
arch/x86_64/kernel/hpet.c | 444 ---------------------------------------------
arch/x86_64/kernel/time.c | 42 ----
include/asm-x86_64/apic.h | 6
include/asm-x86_64/proto.h | 7
5 files changed, 1 insertion(+), 606 deletions(-)

Index: linux-2.6.22-rc6-mm/arch/x86_64/kernel/apic.c
===================================================================
--- linux-2.6.22-rc6-mm.orig/arch/x86_64/kernel/apic.c 2007-07-15 17:43:10.000000000 +0200
+++ linux-2.6.22-rc6-mm/arch/x86_64/kernel/apic.c 2007-07-15 17:48:52.000000000 +0200
@@ -42,9 +42,7 @@

int apic_mapped;
int apic_verbosity;
-int apic_runs_main_timer;
int apic_calibrate_pmtmr __initdata;
-
int disable_apic_timer __initdata;

/* Local APIC timer works in C2? */
@@ -130,15 +128,6 @@ static void lapic_timer_broadcast(cpumas
#endif
}

-/*
- * cpu_mask that denotes the CPUs that needs timer interrupt coming in as
- * IPIs in place of local APIC timers
- */
-static cpumask_t timer_interrupt_broadcast_ipi_mask;
-
-/* Using APIC to generate smp_local_timer_interrupt? */
-int using_apic_timer __read_mostly = 0;
-
static void apic_pm_activate(void);

void apic_wait_icr_idle(void)
@@ -974,84 +963,6 @@ void __cpuinit setup_secondary_APIC_cloc
setup_APIC_timer();
}

-void disable_APIC_timer(void)
-{
- if (using_apic_timer) {
- unsigned long v;
-
- v = apic_read(APIC_LVTT);
- /*
- * When an illegal vector value (0-15) is written to an LVT
- * entry and delivery mode is Fixed, the APIC may signal an
- * illegal vector error, with out regard to whether the mask
- * bit is set or whether an interrupt is actually seen on input.
- *
- * Boot sequence might call this function when the LVTT has
- * '0' vector value. So make sure vector field is set to
- * valid value.
- */
- v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
- apic_write(APIC_LVTT, v);
- }
-}
-
-void enable_APIC_timer(void)
-{
- int cpu = smp_processor_id();
-
- if (using_apic_timer &&
- !cpu_isset(cpu, timer_interrupt_broadcast_ipi_mask)) {
- unsigned long v;
-
- v = apic_read(APIC_LVTT);
- apic_write(APIC_LVTT, v & ~APIC_LVT_MASKED);
- }
-}
-
-void switch_APIC_timer_to_ipi(void *cpumask)
-{
- cpumask_t mask = *(cpumask_t *)cpumask;
- int cpu = smp_processor_id();
-
- if (cpu_isset(cpu, mask) &&
- !cpu_isset(cpu, timer_interrupt_broadcast_ipi_mask)) {
- disable_APIC_timer();
- cpu_set(cpu, timer_interrupt_broadcast_ipi_mask);
- }
-}
-EXPORT_SYMBOL(switch_APIC_timer_to_ipi);
-
-void smp_send_timer_broadcast_ipi(void)
-{
- int cpu = smp_processor_id();
- cpumask_t mask;
-
- cpus_and(mask, cpu_online_map, timer_interrupt_broadcast_ipi_mask);
-
- if (cpu_isset(cpu, mask)) {
- cpu_clear(cpu, mask);
- add_pda(apic_timer_irqs, 1);
- smp_local_timer_interrupt();
- }
-
- if (!cpus_empty(mask)) {
- send_IPI_mask(mask, LOCAL_TIMER_VECTOR);
- }
-}
-
-void switch_ipi_to_APIC_timer(void *cpumask)
-{
- cpumask_t mask = *(cpumask_t *)cpumask;
- int cpu = smp_processor_id();
-
- if (cpu_isset(cpu, mask) &&
- cpu_isset(cpu, timer_interrupt_broadcast_ipi_mask)) {
- cpu_clear(cpu, timer_interrupt_broadcast_ipi_mask);
- enable_APIC_timer();
- }
-}
-EXPORT_SYMBOL(switch_ipi_to_APIC_timer);
-
int setup_profiling_timer(unsigned int multiplier)
{
return -EINVAL;
@@ -1199,7 +1110,6 @@ asmlinkage void smp_spurious_interrupt(v
v = apic_read(APIC_ISR + ((SPURIOUS_APIC_VECTOR & ~0x1f) >> 1));
if (v & (1 << (SPURIOUS_APIC_VECTOR & 0x1f)))
ack_APIC_irq();
-
irq_exit();
}

@@ -1298,21 +1208,7 @@ static __init int setup_noapictimer(char
disable_apic_timer = 1;
return 1;
}
-
-static __init int setup_apicmaintimer(char *str)
-{
- apic_runs_main_timer = 1;
-
- return 1;
-}
-__setup("apicmaintimer", setup_apicmaintimer);
-
-static __init int setup_noapicmaintimer(char *str)
-{
- apic_runs_main_timer = -1;
- return 1;
-}
-__setup("noapicmaintimer", setup_noapicmaintimer);
+__setup("noapictimer", setup_noapictimer);

static __init int setup_apicpmtimer(char *s)
{
@@ -1322,5 +1218,3 @@ static __init int setup_apicpmtimer(char
}
__setup("apicpmtimer", setup_apicpmtimer);

-__setup("noapictimer", setup_noapictimer);
-
Index: linux-2.6.22-rc6-mm/arch/x86_64/kernel/hpet.c
===================================================================
--- linux-2.6.22-rc6-mm.orig/arch/x86_64/kernel/hpet.c 2007-07-15 17:34:42.000000000 +0200
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,444 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/mc146818rtc.h>
-#include <linux/time.h>
-#include <linux/clocksource.h>
-#include <linux/ioport.h>
-#include <linux/acpi.h>
-#include <linux/hpet.h>
-#include <asm/pgtable.h>
-#include <asm/vsyscall.h>
-#include <asm/timex.h>
-#include <asm/hpet.h>
-
-#define HPET_MASK 0xFFFFFFFF
-#define HPET_SHIFT 22
-
-/* FSEC = 10^-15 NSEC = 10^-9 */
-#define FSEC_PER_NSEC 1000000
-
-int nohpet __initdata;
-
-unsigned long hpet_address;
-unsigned long hpet_period; /* fsecs / HPET clock */
-unsigned long hpet_tick; /* HPET clocks / interrupt */
-
-int hpet_use_timer; /* Use counter of hpet for time keeping,
- * otherwise PIT
- */
-
-#ifdef CONFIG_HPET
-static __init int late_hpet_init(void)
-{
- struct hpet_data hd;
- unsigned int ntimer;
-
- if (!hpet_address)
- return 0;
-
- memset(&hd, 0, sizeof(hd));
-
- ntimer = hpet_readl(HPET_ID);
- ntimer = (ntimer & HPET_ID_NUMBER) >> HPET_ID_NUMBER_SHIFT;
- ntimer++;
-
- /*
- * Register with driver.
- * Timer0 and Timer1 is used by platform.
- */
- hd.hd_phys_address = hpet_address;
- hd.hd_address = (void __iomem *)fix_to_virt(FIX_HPET_BASE);
- hd.hd_nirqs = ntimer;
- hd.hd_flags = HPET_DATA_PLATFORM;
- hpet_reserve_timer(&hd, 0);
-#ifdef CONFIG_HPET_EMULATE_RTC
- hpet_reserve_timer(&hd, 1);
-#endif
- hd.hd_irq[0] = HPET_LEGACY_8254;
- hd.hd_irq[1] = HPET_LEGACY_RTC;
- if (ntimer > 2) {
- struct hpet *hpet;
- struct hpet_timer *timer;
- int i;
-
- hpet = (struct hpet *) fix_to_virt(FIX_HPET_BASE);
- timer = &hpet->hpet_timers[2];
- for (i = 2; i < ntimer; timer++, i++)
- hd.hd_irq[i] = (timer->hpet_config &
- Tn_INT_ROUTE_CNF_MASK) >>
- Tn_INT_ROUTE_CNF_SHIFT;
-
- }
-
- hpet_alloc(&hd);
- return 0;
-}
-fs_initcall(late_hpet_init);
-#endif
-
-int hpet_timer_stop_set_go(unsigned long tick)
-{
- unsigned int cfg;
-
-/*
- * Stop the timers and reset the main counter.
- */
-
- cfg = hpet_readl(HPET_CFG);
- cfg &= ~(HPET_CFG_ENABLE | HPET_CFG_LEGACY);
- hpet_writel(cfg, HPET_CFG);
- hpet_writel(0, HPET_COUNTER);
- hpet_writel(0, HPET_COUNTER + 4);
-
-/*
- * Set up timer 0, as periodic with first interrupt to happen at hpet_tick,
- * and period also hpet_tick.
- */
- if (hpet_use_timer) {
- hpet_writel(HPET_TN_ENABLE | HPET_TN_PERIODIC | HPET_TN_SETVAL |
- HPET_TN_32BIT, HPET_T0_CFG);
- hpet_writel(hpet_tick, HPET_T0_CMP); /* next interrupt */
- hpet_writel(hpet_tick, HPET_T0_CMP); /* period */
- cfg |= HPET_CFG_LEGACY;
- }
-/*
- * Go!
- */
-
- cfg |= HPET_CFG_ENABLE;
- hpet_writel(cfg, HPET_CFG);
-
- return 0;
-}
-
-static cycle_t read_hpet(void)
-{
- return (cycle_t)hpet_readl(HPET_COUNTER);
-}
-
-static cycle_t __vsyscall_fn vread_hpet(void)
-{
- return readl((void __iomem *)fix_to_virt(VSYSCALL_HPET) + 0xf0);
-}
-
-struct clocksource clocksource_hpet = {
- .name = "hpet",
- .rating = 250,
- .read = read_hpet,
- .mask = (cycle_t)HPET_MASK,
- .mult = 0, /* set below */
- .shift = HPET_SHIFT,
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
- .vread = vread_hpet,
-};
-
-int hpet_arch_init(void)
-{
- unsigned int id;
- u64 tmp;
-
- if (!hpet_address)
- return -1;
- set_fixmap_nocache(FIX_HPET_BASE, hpet_address);
- __set_fixmap(VSYSCALL_HPET, hpet_address, PAGE_KERNEL_VSYSCALL_NOCACHE);
-
-/*
- * Read the period, compute tick and quotient.
- */
-
- id = hpet_readl(HPET_ID);
-
- if (!(id & HPET_ID_VENDOR) || !(id & HPET_ID_NUMBER))
- return -1;
-
- hpet_period = hpet_readl(HPET_PERIOD);
- if (hpet_period < 100000 || hpet_period > 100000000)
- return -1;
-
- hpet_tick = (FSEC_PER_TICK + hpet_period / 2) / hpet_period;
-
- hpet_use_timer = (id & HPET_ID_LEGSUP);
-
- /*
- * hpet period is in femto seconds per cycle
- * so we need to convert this to ns/cyc units
- * aproximated by mult/2^shift
- *
- * fsec/cyc * 1nsec/1000000fsec = nsec/cyc = mult/2^shift
- * fsec/cyc * 1ns/1000000fsec * 2^shift = mult
- * fsec/cyc * 2^shift * 1nsec/1000000fsec = mult
- * (fsec/cyc << shift)/1000000 = mult
- * (hpet_period << shift)/FSEC_PER_NSEC = mult
- */
- tmp = (u64)hpet_period << HPET_SHIFT;
- do_div(tmp, FSEC_PER_NSEC);
- clocksource_hpet.mult = (u32)tmp;
- clocksource_register(&clocksource_hpet);
-
- return hpet_timer_stop_set_go(hpet_tick);
-}
-
-int hpet_reenable(void)
-{
- return hpet_timer_stop_set_go(hpet_tick);
-}
-
-#ifdef CONFIG_HPET_EMULATE_RTC
-/* HPET in LegacyReplacement Mode eats up RTC interrupt line. When, HPET
- * is enabled, we support RTC interrupt functionality in software.
- * RTC has 3 kinds of interrupts:
- * 1) Update Interrupt - generate an interrupt, every sec, when RTC clock
- * is updated
- * 2) Alarm Interrupt - generate an interrupt at a specific time of day
- * 3) Periodic Interrupt - generate periodic interrupt, with frequencies
- * 2Hz-8192Hz (2Hz-64Hz for non-root user) (all freqs in powers of 2)
- * (1) and (2) above are implemented using polling at a frequency of
- * 64 Hz. The exact frequency is a tradeoff between accuracy and interrupt
- * overhead. (DEFAULT_RTC_INT_FREQ)
- * For (3), we use interrupts at 64Hz or user specified periodic
- * frequency, whichever is higher.
- */
-#include <linux/rtc.h>
-
-#define DEFAULT_RTC_INT_FREQ 64
-#define RTC_NUM_INTS 1
-
-static unsigned long UIE_on;
-static unsigned long prev_update_sec;
-
-static unsigned long AIE_on;
-static struct rtc_time alarm_time;
-
-static unsigned long PIE_on;
-static unsigned long PIE_freq = DEFAULT_RTC_INT_FREQ;
-static unsigned long PIE_count;
-
-static unsigned long hpet_rtc_int_freq; /* RTC interrupt frequency */
-static unsigned int hpet_t1_cmp; /* cached comparator register */
-
-int is_hpet_enabled(void)
-{
- return hpet_address != 0;
-}
-
-/*
- * Timer 1 for RTC, we do not use periodic interrupt feature,
- * even if HPET supports periodic interrupts on Timer 1.
- * The reason being, to set up a periodic interrupt in HPET, we need to
- * stop the main counter. And if we do that everytime someone diables/enables
- * RTC, we will have adverse effect on main kernel timer running on Timer 0.
- * So, for the time being, simulate the periodic interrupt in software.
- *
- * hpet_rtc_timer_init() is called for the first time and during subsequent
- * interuppts reinit happens through hpet_rtc_timer_reinit().
- */
-int hpet_rtc_timer_init(void)
-{
- unsigned int cfg, cnt;
- unsigned long flags;
-
- if (!is_hpet_enabled())
- return 0;
- /*
- * Set the counter 1 and enable the interrupts.
- */
- if (PIE_on && (PIE_freq > DEFAULT_RTC_INT_FREQ))
- hpet_rtc_int_freq = PIE_freq;
- else
- hpet_rtc_int_freq = DEFAULT_RTC_INT_FREQ;
-
- local_irq_save(flags);
-
- cnt = hpet_readl(HPET_COUNTER);
- cnt += ((hpet_tick*HZ)/hpet_rtc_int_freq);
- hpet_writel(cnt, HPET_T1_CMP);
- hpet_t1_cmp = cnt;
-
- cfg = hpet_readl(HPET_T1_CFG);
- cfg &= ~HPET_TN_PERIODIC;
- cfg |= HPET_TN_ENABLE | HPET_TN_32BIT;
- hpet_writel(cfg, HPET_T1_CFG);
-
- local_irq_restore(flags);
-
- return 1;
-}
-
-static void hpet_rtc_timer_reinit(void)
-{
- unsigned int cfg, cnt, ticks_per_int, lost_ints;
-
- if (unlikely(!(PIE_on | AIE_on | UIE_on))) {
- cfg = hpet_readl(HPET_T1_CFG);
- cfg &= ~HPET_TN_ENABLE;
- hpet_writel(cfg, HPET_T1_CFG);
- return;
- }
-
- if (PIE_on && (PIE_freq > DEFAULT_RTC_INT_FREQ))
- hpet_rtc_int_freq = PIE_freq;
- else
- hpet_rtc_int_freq = DEFAULT_RTC_INT_FREQ;
-
- /* It is more accurate to use the comparator value than current count.*/
- ticks_per_int = hpet_tick * HZ / hpet_rtc_int_freq;
- hpet_t1_cmp += ticks_per_int;
- hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
-
- /*
- * If the interrupt handler was delayed too long, the write above tries
- * to schedule the next interrupt in the past and the hardware would
- * not interrupt until the counter had wrapped around.
- * So we have to check that the comparator wasn't set to a past time.
- */
- cnt = hpet_readl(HPET_COUNTER);
- if (unlikely((int)(cnt - hpet_t1_cmp) > 0)) {
- lost_ints = (cnt - hpet_t1_cmp) / ticks_per_int + 1;
- /* Make sure that, even with the time needed to execute
- * this code, the next scheduled interrupt has been moved
- * back to the future: */
- lost_ints++;
-
- hpet_t1_cmp += lost_ints * ticks_per_int;
- hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
-
- if (PIE_on)
- PIE_count += lost_ints;
-
- if (printk_ratelimit())
- printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
- hpet_rtc_int_freq);
- }
-}
-
-/*
- * The functions below are called from rtc driver.
- * Return 0 if HPET is not being used.
- * Otherwise do the necessary changes and return 1.
- */
-int hpet_mask_rtc_irq_bit(unsigned long bit_mask)
-{
- if (!is_hpet_enabled())
- return 0;
-
- if (bit_mask & RTC_UIE)
- UIE_on = 0;
- if (bit_mask & RTC_PIE)
- PIE_on = 0;
- if (bit_mask & RTC_AIE)
- AIE_on = 0;
-
- return 1;
-}
-
-int hpet_set_rtc_irq_bit(unsigned long bit_mask)
-{
- int timer_init_reqd = 0;
-
- if (!is_hpet_enabled())
- return 0;
-
- if (!(PIE_on | AIE_on | UIE_on))
- timer_init_reqd = 1;
-
- if (bit_mask & RTC_UIE) {
- UIE_on = 1;
- }
- if (bit_mask & RTC_PIE) {
- PIE_on = 1;
- PIE_count = 0;
- }
- if (bit_mask & RTC_AIE) {
- AIE_on = 1;
- }
-
- if (timer_init_reqd)
- hpet_rtc_timer_init();
-
- return 1;
-}
-
-int hpet_set_alarm_time(unsigned char hrs, unsigned char min, unsigned char sec)
-{
- if (!is_hpet_enabled())
- return 0;
-
- alarm_time.tm_hour = hrs;
- alarm_time.tm_min = min;
- alarm_time.tm_sec = sec;
-
- return 1;
-}
-
-int hpet_set_periodic_freq(unsigned long freq)
-{
- if (!is_hpet_enabled())
- return 0;
-
- PIE_freq = freq;
- PIE_count = 0;
-
- return 1;
-}
-
-int hpet_rtc_dropped_irq(void)
-{
- if (!is_hpet_enabled())
- return 0;
-
- return 1;
-}
-
-irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
-{
- struct rtc_time curr_time;
- unsigned long rtc_int_flag = 0;
- int call_rtc_interrupt = 0;
-
- hpet_rtc_timer_reinit();
-
- if (UIE_on | AIE_on) {
- rtc_get_rtc_time(&curr_time);
- }
- if (UIE_on) {
- if (curr_time.tm_sec != prev_update_sec) {
- /* Set update int info, call real rtc int routine */
- call_rtc_interrupt = 1;
- rtc_int_flag = RTC_UF;
- prev_update_sec = curr_time.tm_sec;
- }
- }
- if (PIE_on) {
- PIE_count++;
- if (PIE_count >= hpet_rtc_int_freq/PIE_freq) {
- /* Set periodic int info, call real rtc int routine */
- call_rtc_interrupt = 1;
- rtc_int_flag |= RTC_PF;
- PIE_count = 0;
- }
- }
- if (AIE_on) {
- if ((curr_time.tm_sec == alarm_time.tm_sec) &&
- (curr_time.tm_min == alarm_time.tm_min) &&
- (curr_time.tm_hour == alarm_time.tm_hour)) {
- /* Set alarm int info, call real rtc int routine */
- call_rtc_interrupt = 1;
- rtc_int_flag |= RTC_AF;
- }
- }
- if (call_rtc_interrupt) {
- rtc_int_flag |= (RTC_IRQF | (RTC_NUM_INTS << 8));
- rtc_interrupt(rtc_int_flag, dev_id);
- }
- return IRQ_HANDLED;
-}
-#endif
-
-static int __init nohpet_setup(char *s)
-{
- nohpet = 1;
- return 1;
-}
-
-__setup("nohpet", nohpet_setup);
Index: linux-2.6.22-rc6-mm/arch/x86_64/kernel/time.c
===================================================================
--- linux-2.6.22-rc6-mm.orig/arch/x86_64/kernel/time.c 2007-07-15 17:43:10.000000000 +0200
+++ linux-2.6.22-rc6-mm/arch/x86_64/kernel/time.c 2007-07-15 17:44:47.000000000 +0200
@@ -150,48 +150,6 @@ int update_persistent_clock(struct times
return set_rtc_mmss(now.tv_sec);
}

-void main_timer_handler(void)
-{
-/*
- * Here we are in the timer irq handler. We have irqs locally disabled (so we
- * don't need spin_lock_irqsave()) but we don't know if the timer_bh is running
- * on the other CPU, so we need a lock. We also need to lock the vsyscall
- * variables, because both do_timer() and us change them -arca+vojtech
- */
-
- write_seqlock(&xtime_lock);
-
-/*
- * Do the timer stuff.
- */
-
- do_timer(1);
-#ifndef CONFIG_SMP
- update_process_times(user_mode(get_irq_regs()));
-#endif
-
-/*
- * In the SMP case we use the local APIC timer interrupt to do the profiling,
- * except when we simulate SMP mode on a uniprocessor system, in that case we
- * have to call the local interrupt handler.
- */
-
- if (!using_apic_timer)
- smp_local_timer_interrupt();
-
- write_sequnlock(&xtime_lock);
-}
-
-static irqreturn_t timer_interrupt(int irq, void *dev_id)
-{
- if (apic_runs_main_timer > 1)
- return IRQ_HANDLED;
- main_timer_handler();
- if (using_apic_timer)
- smp_send_timer_broadcast_ipi();
- return IRQ_HANDLED;
-}
-
static irqreturn_t timer_event_interrupt(int irq, void *dev_id)
{
global_clock_event->event_handler(global_clock_event);
Index: linux-2.6.22-rc6-mm/include/asm-x86_64/apic.h
===================================================================
--- linux-2.6.22-rc6-mm.orig/include/asm-x86_64/apic.h 2007-07-15 17:31:31.000000000 +0200
+++ linux-2.6.22-rc6-mm/include/asm-x86_64/apic.h 2007-07-15 17:48:52.000000000 +0200
@@ -79,8 +79,6 @@ extern void smp_local_timer_interrupt (v
extern void setup_boot_APIC_clock (void);
extern void setup_secondary_APIC_clock (void);
extern int APIC_init_uniprocessor (void);
-extern void disable_APIC_timer(void);
-extern void enable_APIC_timer(void);
extern void setup_apic_routing(void);

extern void setup_APIC_extended_lvt(unsigned char lvt_off, unsigned char vector,
@@ -95,10 +93,6 @@ extern int apic_is_clustered_box(void);
#define K8_APIC_EXT_INT_MSG_EXT 0x7
#define K8_APIC_EXT_LVT_ENTRY_THRESHOLD 0

-void smp_send_timer_broadcast_ipi(void);
-void switch_APIC_timer_to_ipi(void *cpumask);
-void switch_ipi_to_APIC_timer(void *cpumask);
-
#define ARCH_APICTIMER_STOPS_ON_C3 1

extern unsigned boot_cpu_id;
Index: linux-2.6.22-rc6-mm/include/asm-x86_64/proto.h
===================================================================
--- linux-2.6.22-rc6-mm.orig/include/asm-x86_64/proto.h 2007-07-15 16:55:20.000000000 +0200
+++ linux-2.6.22-rc6-mm/include/asm-x86_64/proto.h 2007-07-15 17:44:47.000000000 +0200
@@ -51,9 +51,6 @@ extern void reserve_bootmem_generic(unsi

extern void load_gs_index(unsigned gs);

-extern void stop_timer_interrupt(void);
-extern void main_timer_handler(void);
-
extern unsigned long end_pfn_map;

extern void show_trace(struct task_struct *, struct pt_regs *, unsigned long * rsp);
@@ -90,14 +87,10 @@ extern int timer_over_8254;

extern int gsi_irq_sharing(int gsi);

-extern void smp_local_timer_interrupt(void);
-
extern int force_mwait;

long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);

-void i8254_timer_resume(void);
-
#define round_up(x,y) (((x) + (y) - 1) & ~((y)-1))
#define round_down(x,y) ((x) & ~((y)-1))

--

-
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