From 199751d715bba5b469ea22adadc68a4166bfa4f5 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 19 Aug 2008 20:50:27 -0700 Subject: x86: make 32 bit to use sparse_irq but actually irq still needs to be less than NR_IRQS, because interrupt[NR_IRQS] in entry.S. need to enable per_cpu vector... Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/irqinit_32.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/x86/kernel/irqinit_32.c') diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 65c1c950770..ded09ac2642 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c @@ -69,6 +69,13 @@ void __init init_ISA_irqs (void) * 16 old-style INTA-cycle interrupts: */ for (i = 0; i < 16; i++) { + /* first time call this irq_desc */ + struct irq_desc *desc = irq_to_desc_alloc(i); + + desc->status = IRQ_DISABLED; + desc->action = NULL; + desc->depth = 1; + set_irq_chip_and_handler_name(i, &i8259A_chip, handle_level_irq, "XT"); } -- cgit v1.2.3