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authorIngo Molnar <mingo@elte.hu>2009-02-11 10:17:42 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-11 10:17:42 +0100
commitf437e8b53eab92a5829e65781e29aed23d8ffd0c (patch)
tree48982c8818a4ac5cddb84ca6a1d55620eb9680ee /arch/x86/mach-default/setup.c
parent140573d33b703194b7e1893711e78b7f546cca7c (diff)
parent8e4921515c1a379539607eb443d51c30f4f7f338 (diff)
Merge commit 'v2.6.29-rc4' into sched/core
Diffstat (limited to 'arch/x86/mach-default/setup.c')
-rw-r--r--arch/x86/mach-default/setup.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index df167f26562..a265a7c6319 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -38,6 +38,15 @@ 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
*
@@ -53,6 +62,9 @@ void __init intr_init_hook(void)
if (x86_quirks->arch_intr_init())
return;
}
+ if (!acpi_ioapic)
+ setup_irq(2, &irq2);
+
}
/**