x86/apic: Eliminate cpu_mask_to_apicid() operation
Since there are only two locations where cpu_mask_to_apicid() is
called from, remove the operation and use only
cpu_mask_to_apicid_and() instead.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Suggested-and-acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/20120614074935.GE3383@dhcp-26-207.brq.redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 7e9bbe7..048a4f8 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2123,23 +2123,6 @@
apic_write(APIC_LDR, val);
}
-static inline int __default_cpu_to_apicid(int cpu, unsigned int *apicid)
-{
- if (likely((unsigned int)cpu < nr_cpu_ids)) {
- *apicid = per_cpu(x86_cpu_to_apicid, cpu);
- return 0;
- } else {
- return -EINVAL;
- }
-}
-
-int default_cpu_mask_to_apicid(const struct cpumask *cpumask,
- unsigned int *apicid)
-{
- int cpu = cpumask_first_and(cpumask, cpu_online_mask);
- return __default_cpu_to_apicid(cpu, apicid);
-}
-
int default_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
const struct cpumask *andmask,
unsigned int *apicid)
@@ -2151,7 +2134,12 @@
break;
}
- return __default_cpu_to_apicid(cpu, apicid);
+ if (likely((unsigned int)cpu < nr_cpu_ids)) {
+ *apicid = per_cpu(x86_cpu_to_apicid, cpu);
+ return 0;
+ } else {
+ return -EINVAL;
+ }
}
/*