1 files changed, 7 insertions, 1 deletions

diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index dd32a9b78a87..bc7ed040bb0e 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -45,6 +45,12 @@ static unsigned long bigsmp_check_apicid_present(int bit)
         return 1;
 }
 
+static int bigsmp_early_logical_apicid(int cpu)
+{
+        /* on bigsmp, logical apicid is the same as physical */
+        return early_per_cpu(x86_cpu_to_apicid, cpu);
+}
+
 static inline unsigned long calculate_ldr(int cpu)
 {
         unsigned long val, id;
@@ -252,5 +258,5 @@ struct apic apic_bigsmp = {
         .wait_icr_idle                  = native_apic_wait_icr_idle,
         .safe_wait_icr_idle             = native_safe_apic_wait_icr_idle,
 
-        .x86_32_early_logical_apicid    = noop_x86_32_early_logical_apicid,
+        .x86_32_early_logical_apicid    = bigsmp_early_logical_apicid,
 };