Messages in this thread Patch in this message | | | Date | Wed, 26 Apr 2006 16:10:13 +0200 | From | "Jan Beulich" <> | Subject | [PATCH] i386/x86-64: simplify ioapic_register_intr() |
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Simplify (remove duplication of) code in ioapic_register_intr().
Signed-off-by: Jan Beulich <jbeulich@novell.com>
diff -Npru /home/jbeulich/tmp/linux-2.6.17-rc2/arch/i386/kernel/io_apic.c 2.6.17-rc2-x86-ioapic_register_intr-simplify/arch/i386/kernel/io_apic.c --- /home/jbeulich/tmp/linux-2.6.17-rc2/arch/i386/kernel/io_apic.c 2006-04-26 10:55:11.000000000 +0200 +++ 2.6.17-rc2-x86-ioapic_register_intr-simplify/arch/i386/kernel/io_apic.c 2006-04-25 15:38:32.000000000 +0200 @@ -1184,21 +1184,14 @@ static struct hw_interrupt_type ioapic_e static inline void ioapic_register_intr(int irq, int vector, unsigned long trigger) { - if (use_pci_vector() && !platform_legacy_irq(irq)) { - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) - irq_desc[vector].handler = &ioapic_level_type; - else - irq_desc[vector].handler = &ioapic_edge_type; - set_intr_gate(vector, interrupt[vector]); - } else { - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) - irq_desc[irq].handler = &ioapic_level_type; - else - irq_desc[irq].handler = &ioapic_edge_type; - set_intr_gate(vector, interrupt[irq]); - } + unsigned idx = use_pci_vector() && !platform_legacy_irq(irq) ? vector : irq; + + if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || + trigger == IOAPIC_LEVEL) + irq_desc[idx].handler = &ioapic_level_type; + else + irq_desc[idx].handler = &ioapic_edge_type; + set_intr_gate(vector, interrupt[idx]); } static void __init setup_IO_APIC_irqs(void) diff -Npru /home/jbeulich/tmp/linux-2.6.17-rc2/arch/x86_64/kernel/io_apic.c 2.6.17-rc2-x86-ioapic_register_intr-simplify/arch/x86_64/kernel/io_apic.c --- /home/jbeulich/tmp/linux-2.6.17-rc2/arch/x86_64/kernel/io_apic.c 2006-04-26 10:55:24.000000000 +0200 +++ 2.6.17-rc2-x86-ioapic_register_intr-simplify/arch/x86_64/kernel/io_apic.c 2006-04-25 15:38:32.000000000 +0200 @@ -846,21 +846,14 @@ static struct hw_interrupt_type ioapic_e static inline void ioapic_register_intr(int irq, int vector, unsigned long trigger) { - if (use_pci_vector() && !platform_legacy_irq(irq)) { - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) - irq_desc[vector].handler = &ioapic_level_type; - else - irq_desc[vector].handler = &ioapic_edge_type; - set_intr_gate(vector, interrupt[vector]); - } else { - if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || - trigger == IOAPIC_LEVEL) - irq_desc[irq].handler = &ioapic_level_type; - else - irq_desc[irq].handler = &ioapic_edge_type; - set_intr_gate(vector, interrupt[irq]); - } + unsigned idx = use_pci_vector() && !platform_legacy_irq(irq) ? vector : irq; + + if ((trigger == IOAPIC_AUTO && IO_APIC_irq_trigger(irq)) || + trigger == IOAPIC_LEVEL) + irq_desc[idx].handler = &ioapic_level_type; + else + irq_desc[idx].handler = &ioapic_edge_type; + set_intr_gate(vector, interrupt[idx]); } static void __init setup_IO_APIC_irqs(void)
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