x86, apic: refactor ->cpu_mask_to_apicid*()

- spread out the namespace on a per driver basis

 - clean up the functions

 - get rid of macros

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

1 files changed, 9 insertions, 6 deletions

diff --git a/arch/x86/kernel/genx2apic_cluster.c b/arch/x86/kernel/genx2apic_cluster.c
index c7557e05184..62f9fccf01d 100644
--- a/arch/x86/kernel/genx2apic_cluster.c
+++ b/arch/x86/kernel/genx2apic_cluster.c
@@ -111,21 +111,21 @@ static int x2apic_apic_id_registered(void)
 
 static unsigned int x2apic_cpu_mask_to_apicid(const struct cpumask *cpumask)
 {
-        int cpu;
-
         /*
          * We're using fixed IRQ delivery, can only return one logical APIC ID.
          * May as well be the first.
          */
-        cpu = cpumask_first(cpumask);
+        int cpu = cpumask_first(cpumask);
+
         if ((unsigned)cpu < nr_cpu_ids)
                 return per_cpu(x86_cpu_to_logical_apicid, cpu);
         else
                 return BAD_APICID;
 }
 
-static unsigned int x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
-                                                  const struct cpumask *andmask)
+static unsigned int
+x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
+                              const struct cpumask *andmask)
 {
         int cpu;
 
@@ -133,11 +133,14 @@ static unsigned int x2apic_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
          * We're using fixed IRQ delivery, can only return one logical APIC ID.
          * May as well be the first.
          */
-        for_each_cpu_and(cpu, cpumask, andmask)
+        for_each_cpu_and(cpu, cpumask, andmask) {
                 if (cpumask_test_cpu(cpu, cpu_online_mask))
                         break;
+        }
+
         if (cpu < nr_cpu_ids)
                 return per_cpu(x86_cpu_to_logical_apicid, cpu);
+
         return BAD_APICID;
 }