x86, apic: clean up the cpu_2_logical_apiciddeclaration

extern declarations were scattered in 4 files - consolidate them
into apic.h.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c
index 305977789144..7a1db1f23563 100644
--- a/arch/x86/kernel/summit_32.c
+++ b/arch/x86/kernel/summit_32.c
@@ -209,8 +209,6 @@ static inline unsigned long summit_check_apicid_present(int bit)
 
 #define apicid_cluster(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
 
-extern u8 cpu_2_logical_apicid[];
-
 static inline void summit_init_apic_ldr(void)
 {
         unsigned long val, id;
@@ -264,7 +262,7 @@ static inline int summit_cpu_to_logical_apicid(int cpu)
 #ifdef CONFIG_SMP
         if (cpu >= nr_cpu_ids)
                 return BAD_APICID;
-        return (int)cpu_2_logical_apicid[cpu];
+        return cpu_2_logical_apicid[cpu];
 #else
         return logical_smp_processor_id();
 #endif