added ncpu > 1 control before extra_setup()

1 files changed, 1 insertions, 1 deletions

diff --git a/kern/startup.c b/kern/startup.c
index ff217722..580d2f0f 100644
--- a/kern/startup.c
+++ b/kern/startup.c
@@ -130,7 +130,7 @@ void setup_main(void)
          * After virtual memory is up, do extra initializations:
          * currently it maps LAPIC (in acpi_rsdp.c)
          */
-        extra_setup();
+        if(ncpu > 1) extra_setup();
 
 	init_timers();
 	init_timeout();