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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-07 18:31:54 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-07 18:31:54 +0100 |
| commit | 673f8205914a12e928c65afbcd78ae748f78df53 (patch) | |
| tree | 38c60215646d079fab3bff812e094e914960c7ec /arch/x86/mach-default/setup.c | |
| parent | cf47b8f3d96b0b8b10b557444a28b3ca4024ff82 (diff) | |
| parent | ae1a25da8448271a99745da03100d5299575a269 (diff) | |
Merge branch 'linus' into core/locking
Conflicts:
fs/btrfs/locking.c
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); + } /** |