1 files changed, 0 insertions, 135 deletions

diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
deleted file mode 100644
index 5ba343e61844..000000000000
--- a/arch/x86/kernel/time_64.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- *  "High Precision Event Timer" based timekeeping.
- *
- *  Copyright (c) 1991,1992,1995  Linus Torvalds
- *  Copyright (c) 1994  Alan Modra
- *  Copyright (c) 1995  Markus Kuhn
- *  Copyright (c) 1996  Ingo Molnar
- *  Copyright (c) 1998  Andrea Arcangeli
- *  Copyright (c) 2002,2006  Vojtech Pavlik
- *  Copyright (c) 2003  Andi Kleen
- *  RTC support code taken from arch/i386/kernel/timers/time_hpet.c
- */
-
-#include <linux/clockchips.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/time.h>
-#include <linux/mca.h>
-#include <linux/nmi.h>
-
-#include <asm/i8253.h>
-#include <asm/hpet.h>
-#include <asm/vgtod.h>
-#include <asm/time.h>
-#include <asm/timer.h>
-
-volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;
-
-unsigned long profile_pc(struct pt_regs *regs)
-{
-        unsigned long pc = instruction_pointer(regs);
-
-        /* Assume the lock function has either no stack frame or a copy
-           of flags from PUSHF
-           Eflags always has bits 22 and up cleared unlike kernel addresses. */
-        if (!user_mode_vm(regs) && in_lock_functions(pc)) {
-#ifdef CONFIG_FRAME_POINTER
-                return *(unsigned long *)(regs->bp + sizeof(long));
-#else
-                unsigned long *sp = (unsigned long *)regs->sp;
-                if (sp[0] >> 22)
-                        return sp[0];
-                if (sp[1] >> 22)
-                        return sp[1];
-#endif
-        }
-        return pc;
-}
-EXPORT_SYMBOL(profile_pc);
-
-static irqreturn_t timer_interrupt(int irq, void *dev_id)
-{
-        inc_irq_stat(irq0_irqs);
-
-        global_clock_event->event_handler(global_clock_event);
-
-#ifdef CONFIG_MCA
-        if (MCA_bus) {
-                u8 irq_v = inb_p(0x61);       /* read the current state */
-                outb_p(irq_v|0x80, 0x61);     /* reset the IRQ */
-        }
-#endif
-
-        return IRQ_HANDLED;
-}
-
-/* calibrate_cpu is used on systems with fixed rate TSCs to determine
- * processor frequency */
-#define TICK_COUNT 100000000
-unsigned long __init calibrate_cpu(void)
-{
-        int tsc_start, tsc_now;
-        int i, no_ctr_free;
-        unsigned long evntsel3 = 0, pmc3 = 0, pmc_now = 0;
-        unsigned long flags;
-
-        for (i = 0; i < 4; i++)
-                if (avail_to_resrv_perfctr_nmi_bit(i))
-                        break;
-        no_ctr_free = (i == 4);
-        if (no_ctr_free) {
-                WARN(1, KERN_WARNING "Warning: AMD perfctrs busy ... "
-                     "cpu_khz value may be incorrect.\n");
-                i = 3;
-                rdmsrl(MSR_K7_EVNTSEL3, evntsel3);
-                wrmsrl(MSR_K7_EVNTSEL3, 0);
-                rdmsrl(MSR_K7_PERFCTR3, pmc3);
-        } else {
-                reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i);
-                reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
-        }
-        local_irq_save(flags);
-        /* start measuring cycles, incrementing from 0 */
-        wrmsrl(MSR_K7_PERFCTR0 + i, 0);
-        wrmsrl(MSR_K7_EVNTSEL0 + i, 1 << 22 | 3 << 16 | 0x76);
-        rdtscl(tsc_start);
-        do {
-                rdmsrl(MSR_K7_PERFCTR0 + i, pmc_now);
-                tsc_now = get_cycles();
-        } while ((tsc_now - tsc_start) < TICK_COUNT);
-
-        local_irq_restore(flags);
-        if (no_ctr_free) {
-                wrmsrl(MSR_K7_EVNTSEL3, 0);
-                wrmsrl(MSR_K7_PERFCTR3, pmc3);
-                wrmsrl(MSR_K7_EVNTSEL3, evntsel3);
-        } else {
-                release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
-                release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
-        }
-
-        return pmc_now * tsc_khz / (tsc_now - tsc_start);
-}
-
-static struct irqaction irq0 = {
-        .handler        = timer_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_IRQPOLL | IRQF_NOBALANCING | IRQF_TIMER,
-        .name           = "timer"
-};
-
-void __init hpet_time_init(void)
-{
-        if (!hpet_enable())
-                setup_pit_timer();
-
-        setup_irq(0, &irq0);
-}
-
-void __init time_init(void)
-{
-        tsc_init();
-
-        late_time_init = choose_time_init();
-}