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authorPekka Enberg <penberg@cs.helsinki.fi>2009-04-09 11:52:20 +0300
committerIngo Molnar <mingo@elte.hu>2009-04-10 14:35:54 +0200
commit36290d87f5abf260a543e5b711be4ceed03e6b1a (patch)
treea82b78581411a613ca177b3b5f9d363d3ce71662 /arch
parent7371d9fcb88dc9185be9719f64744a339c537a92 (diff)
downloadlinux-2.6.38-lt-ux500-36290d87f5abf260a543e5b711be4ceed03e6b1a.tar.gz
x86: introduce smp_intr_init() in irqinit_32.c
Impact: cleanup Reviewed-by Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/irqinit_32.c61
1 files changed, 33 insertions, 28 deletions
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index c5cb769db7b..df0aad5a062 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -121,6 +121,38 @@ static void __init init_ISA_irqs(void)
/* Overridden in paravirt.c */
void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+static void __init smp_intr_init(void)
+{
+#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
+ /*
+ * The reschedule interrupt is a CPU-to-CPU reschedule-helper
+ * IPI, driven by wakeup.
+ */
+ alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_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);
+
+ /* IPI for single call function */
+ alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
+ call_function_single_interrupt);
+
+ /* Low priority IPI to cleanup after moving an irq */
+ set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
+ set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
+#endif
+}
+
/**
* x86_quirk_pre_intr_init - initialisation prior to setting up interrupt vectors
*
@@ -158,34 +190,7 @@ void __init native_init_IRQ(void)
}
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
- /*
- * The reschedule interrupt is a CPU-to-CPU reschedule-helper
- * IPI, driven by wakeup.
- */
- alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_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);
-
- /* IPI for single call function */
- alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
- call_function_single_interrupt);
-
- /* Low priority IPI to cleanup after moving an irq */
- set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
- set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
-#endif
+ smp_intr_init();
#ifdef CONFIG_X86_LOCAL_APIC
/* self generated IPI for local APIC timer */