1 files changed, 2 insertions, 137 deletions

diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c
index 0893fa144581..339f4f3feee5 100644
--- a/arch/x86/kernel/ipi.c
+++ b/arch/x86/kernel/ipi.c
@@ -17,148 +17,13 @@
 #include <asm/mmu_context.h>
 #include <asm/apic.h>
 #include <asm/proto.h>
+#include <asm/ipi.h>
 
 #ifdef CONFIG_X86_32
-#include <asm/genapic.h>
-
-/*
- * the following functions deal with sending IPIs between CPUs.
- *
- * We use 'broadcast', CPU->CPU IPIs and self-IPIs too.
- */
-
-static inline int __prepare_ICR(unsigned int shortcut, int vector)
-{
-        unsigned int icr = shortcut | apic->dest_logical;
-
-        switch (vector) {
-        default:
-                icr |= APIC_DM_FIXED | vector;
-                break;
-        case NMI_VECTOR:
-                icr |= APIC_DM_NMI;
-                break;
-        }
-        return icr;
-}
-
-static inline int __prepare_ICR2(unsigned int mask)
-{
-        return SET_APIC_DEST_FIELD(mask);
-}
-
-void __default_send_IPI_shortcut(unsigned int shortcut, int vector)
-{
-        /*
-         * Subtle. In the case of the 'never do double writes' workaround
-         * we have to lock out interrupts to be safe.  As we don't care
-         * of the value read we use an atomic rmw access to avoid costly
-         * cli/sti.  Otherwise we use an even cheaper single atomic write
-         * to the APIC.
-         */
-        unsigned int cfg;
-
-        /*
-         * Wait for idle.
-         */
-        apic_wait_icr_idle();
-
-        /*
-         * No need to touch the target chip field
-         */
-        cfg = __prepare_ICR(shortcut, vector);
-
-        /*
-         * Send the IPI. The write to APIC_ICR fires this off.
-         */
-        apic_write(APIC_ICR, cfg);
-}
 
 void default_send_IPI_self(int vector)
 {
-        __default_send_IPI_shortcut(APIC_DEST_SELF, vector);
-}
-
-/*
- * This is used to send an IPI with no shorthand notation (the destination is
- * specified in bits 56 to 63 of the ICR).
- */
-static inline void __default_send_IPI_dest_field(unsigned long mask, int vector)
-{
-        unsigned long cfg;
-
-        /*
-         * Wait for idle.
-         */
-        if (unlikely(vector == NMI_VECTOR))
-                safe_apic_wait_icr_idle();
-        else
-                apic_wait_icr_idle();
-
-        /*
-         * prepare target chip field
-         */
-        cfg = __prepare_ICR2(mask);
-        apic_write(APIC_ICR2, cfg);
-
-        /*
-         * program the ICR
-         */
-        cfg = __prepare_ICR(0, vector);
-
-        /*
-         * Send the IPI. The write to APIC_ICR fires this off.
-         */
-        apic_write(APIC_ICR, cfg);
-}
-
-/*
- * This is only used on smaller machines.
- */
-void default_send_IPI_mask_bitmask(const struct cpumask *cpumask, int vector)
-{
-        unsigned long mask = cpumask_bits(cpumask)[0];
-        unsigned long flags;
-
-        local_irq_save(flags);
-        WARN_ON(mask & ~cpumask_bits(cpu_online_mask)[0]);
-        __default_send_IPI_dest_field(mask, vector);
-        local_irq_restore(flags);
-}
-
-void default_send_IPI_mask_sequence(const struct cpumask *mask, int vector)
-{
-        unsigned long flags;
-        unsigned int query_cpu;
-
-        /*
-         * Hack. The clustered APIC addressing mode doesn't allow us to send
-         * to an arbitrary mask, so I do a unicasts to each CPU instead. This
-         * should be modified to do 1 message per cluster ID - mbligh
-         */
-
-        local_irq_save(flags);
-        for_each_cpu(query_cpu, mask)
-                __default_send_IPI_dest_field(apic->cpu_to_logical_apicid(query_cpu), vector);
-        local_irq_restore(flags);
-}
-
-void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector)
-{
-        unsigned long flags;
-        unsigned int query_cpu;
-        unsigned int this_cpu = smp_processor_id();
-
-        /* See Hack comment above */
-
-        local_irq_save(flags);
-        for_each_cpu(query_cpu, mask) {
-                if (query_cpu == this_cpu)
-                        continue;
-                __default_send_IPI_dest_field(
-                        apic->cpu_to_logical_apicid(query_cpu), vector);
-        }
-        local_irq_restore(flags);
+        __default_send_IPI_shortcut(APIC_DEST_SELF, vector, apic->dest_logical);
 }
 
 /* must come after the send_IPI functions above for inlining */