diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-20 16:47:19 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-31 09:35:46 +0200 |
commit | 47926214d8b2bef13b2be57c500194a804f16198 (patch) | |
tree | f0e389011ad1f15b9c377e1baf77146fa5bdd0d2 /arch/x86/kernel/time_64.c | |
parent | ef4512882dbe9978e7a18ccbcb4cb45705ce5560 (diff) |
x86: Replace the now identical time_32/64.c by time.c
Remove the redundant copy.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/time_64.c')
-rw-r--r-- | arch/x86/kernel/time_64.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c deleted file mode 100644 index fda0c34da757..000000000000 --- a/arch/x86/kernel/time_64.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * 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 - * - */ - -#include <linux/clockchips.h> -#include <linux/interrupt.h> -#include <linux/time.h> -#include <linux/mca.h> - -#include <asm/vsyscall.h> -#include <asm/x86_init.h> -#include <asm/i8259.h> -#include <asm/i8253.h> -#include <asm/timer.h> -#include <asm/hpet.h> -#include <asm/time.h> - -#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC) -int timer_ack; -#endif - -#ifdef CONFIG_X86_64 -volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES; -#endif - -unsigned long profile_pc(struct pt_regs *regs) -{ - unsigned long pc = instruction_pointer(regs); - - 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; - /* - * Return address is either directly at stack pointer - * or above a saved flags. Eflags has bits 22-31 zero, - * kernel addresses don't. - */ - if (sp[0] >> 22) - return sp[0]; - if (sp[1] >> 22) - return sp[1]; -#endif - } - return pc; -} -EXPORT_SYMBOL(profile_pc); - -/* - * Default timer interrupt handler for PIT/HPET - */ -static irqreturn_t timer_interrupt(int irq, void *dev_id) -{ - /* Keep nmi watchdog up to date */ - inc_irq_stat(irq0_irqs); - - /* Optimized out for !IO_APIC and x86_64 */ - if (timer_ack) { - /* - * Subtle, when I/O APICs are used we have to ack timer IRQ - * manually to deassert NMI lines for the watchdog if run - * on an 82489DX-based system. - */ - spin_lock(&i8259A_lock); - outb(0x0c, PIC_MASTER_OCW3); - /* Ack the IRQ; AEOI will end it automatically. */ - inb(PIC_MASTER_POLL); - spin_unlock(&i8259A_lock); - } - - global_clock_event->event_handler(global_clock_event); - - /* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */ - if (MCA_bus) - outb_p(inb_p(0x61)| 0x80, 0x61); - - return IRQ_HANDLED; -} - -static struct irqaction irq0 = { - .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER, - .name = "timer" -}; - -void __init setup_default_timer_irq(void) -{ - irq0.mask = cpumask_of_cpu(0); - setup_irq(0, &irq0); -} - -/* Default timer init function */ -void __init hpet_time_init(void) -{ - if (!hpet_enable()) - setup_pit_timer(); - setup_default_timer_irq(); -} - -static void x86_late_time_init(void) -{ - x86_init.timers.timer_init(); -} - -/* - * Initialize TSC and delay the periodic timer init to - * late x86_late_time_init() so ioremap works. - */ -void __init time_init(void) -{ - tsc_init(); - late_time_init = x86_late_time_init; -} |