x86: change __setup_vector_irq with setup_vector_irq

We create a version of it for i386, and then take the CONFIG_X86_64
ifdef out of the game. We could create a __setup_vector_irq for i386,
but it would incur in an unnecessary lock taking. Moreover, it is better
practice to only export setup_vector_irq anyway.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 1 deletions

diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 2eba4f4c14ba..08c48750888a 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -801,7 +801,7 @@ static void __clear_irq_vector(int irq)
         cpus_clear(cfg->domain);
 }
 
-void __setup_vector_irq(int cpu)
+static void __setup_vector_irq(int cpu)
 {
         /* Initialize vector_irq on a new cpu */
         /* This function must be called with vector_lock held */
@@ -824,6 +824,13 @@ void __setup_vector_irq(int cpu)
         }
 }
 
+void setup_vector_irq(int cpu)
+{
+        spin_lock(&vector_lock);
+        __setup_vector_irq(smp_processor_id());
+        spin_unlock(&vector_lock);
+}
+
 
 static struct irq_chip ioapic_chip;