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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-12 13:08:57 +0100 |
| commit | 871cafcc962fa1655c44b4f0e54d4c5cc14e273c (patch) | |
| tree | fdb7bc65d2606c85b7be6c33ba0dfd5b4e472245 /arch/x86/mach-default/setup.c | |
| parent | cf2592f59c0e8ed4308adbdb2e0a88655379d579 (diff) | |
| parent | b578f3fcca1e78624dfb5f358776e63711d7fda2 (diff) | |
Merge branch 'linus' into core/softlockup
Diffstat (limited to 'arch/x86/mach-default/setup.c')
| -rw-r--r-- | arch/x86/mach-default/setup.c | 12 |
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); + } /** |