x86, irq: Move local APIC related code from io_apic.c into vector.c

Create arch/x86/kernel/apic/vector.c to host local APIC related code,
prepare for making MSI/HT_IRQ independent of IOAPIC.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Grant Likely <grant.likely@linaro.org>
Link: http://lkml.kernel.org/r/1414397531-28254-10-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 22 deletions

diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index fa893087fb51..70e181ea1eac 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -99,28 +99,6 @@ void __init init_IRQ(void)
         x86_init.irqs.intr_init();
 }
 
-/*
- * Setup the vector to irq mappings.
- */
-void setup_vector_irq(int cpu)
-{
-#ifndef CONFIG_X86_IO_APIC
-        int irq;
-
-        /*
-         * On most of the platforms, legacy PIC delivers the interrupts on the
-         * boot cpu. But there are certain platforms where PIC interrupts are
-         * delivered to multiple cpu's. If the legacy IRQ is handled by the
-         * legacy PIC, for the new cpu that is coming online, setup the static
-         * legacy vector to irq mapping:
-         */
-        for (irq = 0; irq < nr_legacy_irqs(); irq++)
-                per_cpu(vector_irq, cpu)[IRQ0_VECTOR + irq] = irq;
-#endif
-
-        __setup_vector_irq(cpu);
-}
-
 static void __init smp_intr_init(void)
 {
 #ifdef CONFIG_SMP