[PATCH] i386/x86_64: Remove global IO_APIC_VECTOR

Which vector an irq is assigned to now varies dynamically and is
not needed outside of io_apic.c.  So remove the possibility
of accessing the information outside of io_apic.c and remove
the silly macro that makes looking for users of irq_vector
difficult.

The fact this compiles ensures there aren't any more pieces
of the old CONFIG_PCI_MSI weirdness that I failed to remove.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 91728d9d3472..9c3b9b19d699 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -587,8 +587,8 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 
         BUG_ON((unsigned)irq >= NR_IRQ_VECTORS);
 
-        if (IO_APIC_VECTOR(irq) > 0)
-                old_vector = IO_APIC_VECTOR(irq);
+        if (irq_vector[irq] > 0)
+                old_vector = irq_vector[irq];
         if ((old_vector > 0) && cpu_isset(old_vector >> 8, mask)) {
                 return old_vector;
         }
@@ -620,7 +620,7 @@ next:
                 }
                 per_cpu(vector_irq, cpu)[vector] = irq;
                 vector |= cpu << 8;
-                IO_APIC_VECTOR(irq) = vector;
+                irq_vector[irq] = vector;
                 return vector;
         }
         return -ENOSPC;
@@ -1289,7 +1289,7 @@ static inline void init_IO_APIC_traps(void)
          */
         for (irq = 0; irq < NR_IRQS ; irq++) {
                 int tmp = irq;
-                if (IO_APIC_IRQ(tmp) && !IO_APIC_VECTOR(tmp)) {
+                if (IO_APIC_IRQ(tmp) && !irq_vector[tmp]) {
                         /*
                          * Hmm.. We don't have an entry for this,
                          * so default to an old-fashioned 8259