1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c
index 4336c0fc3b81..ef4aab123581 100644
--- a/arch/x86/kernel/mpparse_64.c
+++ b/arch/x86/kernel/mpparse_64.c
@@ -57,6 +57,8 @@ unsigned long mp_lapic_addr = 0;
 
 /* Processor that is doing the boot up */
 unsigned int boot_cpu_id = -1U;
+EXPORT_SYMBOL(boot_cpu_id);
+
 /* Internal processor count */
 unsigned int num_processors __cpuinitdata = 0;