diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 14:50:03 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-03-23 21:20:20 +0100 |
| commit | 80c5520811d3805adcb15c570ea5e2d489fa5d0b (patch) | |
| tree | ae797a7f4af39f80e77526533d06ac23b439f0ab /arch/x86/kernel/irqinit_32.c | |
| parent | b3e3b302cf6dc8d60b67f0e84d1fa5648889c038 (diff) | |
| parent | 8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff) | |
Merge branch 'cpus4096' into irq/threaded
Conflicts:
arch/parisc/kernel/irq.c
kernel/irq/handle.c
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/irqinit_32.c')
| -rw-r--r-- | arch/x86/kernel/irqinit_32.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 10a09c2f182..bc132610544 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -18,7 +18,7 @@ #include <asm/pgtable.h> #include <asm/desc.h> #include <asm/apic.h> -#include <asm/arch_hooks.h> +#include <asm/setup.h> #include <asm/i8259.h> #include <asm/traps.h> @@ -78,6 +78,15 @@ 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", +}; + DEFINE_PER_CPU(vector_irq_t, vector_irq) = { [0 ... IRQ0_VECTOR - 1] = -1, [IRQ0_VECTOR] = 0, @@ -118,8 +127,8 @@ void __init native_init_IRQ(void) { int i; - /* all the set up before the call gates are initialised */ - pre_intr_init_hook(); + /* Execute any quirks before the call gates are initialised: */ + x86_quirk_pre_intr_init(); /* * Cover the whole vector space, no vector can escape @@ -140,8 +149,15 @@ void __init native_init_IRQ(void) */ alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); - /* IPI for invalidation */ - alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt); + /* IPIs for invalidation */ + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6); + alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7); /* IPI for generic function call */ alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); @@ -159,6 +175,9 @@ void __init native_init_IRQ(void) /* self generated IPI for local APIC timer */ alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt); + /* generic IPI for platform specific use */ + alloc_intr_gate(GENERIC_INTERRUPT_VECTOR, generic_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); @@ -169,10 +188,14 @@ void __init native_init_IRQ(void) alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); #endif - /* setup after call gates are initialised (usually add in - * the architecture specific gates) + if (!acpi_ioapic) + setup_irq(2, &irq2); + + /* + * Call quirks after call gates are initialised (usually add in + * the architecture specific gates): */ - intr_init_hook(); + x86_quirk_intr_init(); /* * External FPU? Set up irq13 if so, for |