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yaml
---
r: 112694
b: refs/heads/master
c: 2ae111c
h: refs/heads/master
v: v3
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Cyrill Gorcunov authored and Ingo Molnar committed Aug 11, 2008
1 parent 56a42df commit 81896a6
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Showing 5 changed files with 50 additions and 66 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 15dd859cacf312f606f54502d1f66537a1e5c78c
refs/heads/master: 2ae111cdd8d83ebf9de72e36e68a8c84b6ebbeea
48 changes: 0 additions & 48 deletions trunk/arch/x86/kernel/apic_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -1354,54 +1354,6 @@ void smp_error_interrupt(struct pt_regs *regs)
irq_exit();
}

#ifdef CONFIG_SMP
void __init smp_intr_init(void)
{
/*
* IRQ0 must be given a fixed assignment and initialized,
* because it's used before the IO-APIC is set up.
*/
set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]);

/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);

/* IPI for invalidation */
alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);

/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);

/* IPI for single call function */
set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
call_function_single_interrupt);
}
#endif

/*
* Initialize APIC interrupts
*/
void __init apic_intr_init(void)
{
#ifdef CONFIG_SMP
smp_intr_init();
#endif
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);

/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);

/* thermal monitor LVT interrupt */
#ifdef CONFIG_X86_MCE_P4THERMAL
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif
}

/**
* connect_bsp_APIC - attach the APIC to the interrupt system
*/
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49 changes: 49 additions & 0 deletions trunk/arch/x86/kernel/irqinit_32.c
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,15 @@ void __init init_ISA_irqs (void)
}
}

/*
* IRQ2 is cascade interrupt to second interrupt controller
*/
static struct irqaction irq2 = {
.handler = no_action,
.mask = CPU_MASK_NONE,
.name = "cascade",
};

/* Overridden in paravirt.c */
void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));

Expand All @@ -98,6 +107,46 @@ void __init native_init_IRQ(void)
set_intr_gate(vector, interrupt[i]);
}

#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
/*
* IRQ0 must be given a fixed assignment and initialized,
* because it's used before the IO-APIC is set up.
*/
set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]);

/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);

/* IPI for invalidation */
alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);

/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);

/* IPI for single call function */
set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt);
#endif

#ifdef CONFIG_X86_LOCAL_APIC
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);

/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
#endif

#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_MCE_P4THERMAL)
/* thermal monitor LVT interrupt */
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif

if (!acpi_ioapic)
setup_irq(2, &irq2);

/* setup after call gates are initialised (usually add in
* the architecture specific gates)
*/
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15 changes: 0 additions & 15 deletions trunk/arch/x86/mach-default/setup.c
Original file line number Diff line number Diff line change
Expand Up @@ -36,15 +36,6 @@ void __init pre_intr_init_hook(void)
init_ISA_irqs();
}

/*
* IRQ2 is cascade interrupt to second interrupt controller
*/
static struct irqaction irq2 = {
.handler = no_action,
.mask = CPU_MASK_NONE,
.name = "cascade",
};

/**
* intr_init_hook - post gate setup interrupt initialisation
*
Expand All @@ -60,12 +51,6 @@ void __init intr_init_hook(void)
if (x86_quirks->arch_intr_init())
return;
}
#ifdef CONFIG_X86_LOCAL_APIC
apic_intr_init();
#endif

if (!acpi_ioapic)
setup_irq(2, &irq2);
}

/**
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2 changes: 0 additions & 2 deletions trunk/include/asm-x86/arch_hooks.h
Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,6 @@
/* these aren't arch hooks, they are generic routines
* that can be used by the hooks */
extern void init_ISA_irqs(void);
extern void apic_intr_init(void);
extern void smp_intr_init(void);
extern irqreturn_t timer_interrupt(int irq, void *dev_id);

/* these are the defined hooks */
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