1 files changed, 10 insertions, 2 deletions

diff --git a/arch/x86/lib/atomic64_32.c b/arch/x86/lib/atomic64_32.c
index fd28fd3fb742..cd11803f9448 100644
--- a/arch/x86/lib/atomic64_32.c
+++ b/arch/x86/lib/atomic64_32.c
@@ -62,9 +62,17 @@ void atomic64_set(atomic64_t *ptr, u64 new_val)
  */
 u64 atomic64_read(atomic64_t *ptr)
 {
-        u64 old = 1LL << 32;
+        u64 res;
 
-        return cmpxchg8b(&ptr->counter, old, old);
+        asm volatile(
+                "mov %%ebx, %%eax\n\t"
+                "mov %%ecx, %%edx\n\t"
+                LOCK_PREFIX "cmpxchg8b %1\n"
+                        : "+A" (res)
+                        : "m" (*ptr)
+                );
+
+        return res;
 }
 
 /**