1 files changed, 6 insertions, 0 deletions
diff --git a/src/include/smp_sync.h b/src/include/smp_sync.h
index 92784b8..93aac35 100644
--- a/src/include/smp_sync.h
+++ b/src/include/smp_sync.h
@@ -6,6 +6,7 @@ static inline void lock(uint8_t *lock) {
       "spinlock:\n"
       "lock xchgb [%0], al\n"
       "test al, al\n"
+      "pause\n"
       "jnz spinlock\n"
       ::"r"(lock):"al");
 } 
@@ -14,4 +15,9 @@ static inline void unlock(uint8_t *lock) {
   asm("lock andb [%0], 0"::"r"(lock));
 }
 
+static inline void waitup(uint8_t *loto) {
+}
+
+#define CREATE_LOTO(name)
+
 #endif