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Subject[PATCH 06/13] x86: unify smp_intr_init() in irqinit_{32,64}.h
Date
Impact: cleanup

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
arch/x86/kernel/irqinit_32.c | 8 +++++---
arch/x86/kernel/irqinit_64.c | 2 ++
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 1029a18..ef2528d 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -123,7 +123,8 @@ 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)
+#ifdef CONFIG_SMP
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
@@ -143,14 +144,15 @@ static void __init smp_intr_init(void)
/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);

- /* IPI for single call function */
+ /* IPI for generic single function call */
alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
- call_function_single_interrupt);
+ 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
+#endif /* CONFIG_SMP */
}

/**
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c
index 1c8858b..9e7c57d 100644
--- a/arch/x86/kernel/irqinit_64.c
+++ b/arch/x86/kernel/irqinit_64.c
@@ -107,6 +107,7 @@ void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
static void __init smp_intr_init(void)
{
#ifdef CONFIG_SMP
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
@@ -134,6 +135,7 @@ static void __init smp_intr_init(void)
set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
#endif
+#endif /* CONFIG_SMP */
}

static void __init apic_intr_init(void)
--
1.5.6.3


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