Changes in kernel/arch/amd64/include/atomic.h [ba371e1:228666c] in mainline

File:

• kernel/arch/amd64/include/atomic.h (modified) (1 diff)

kernel/arch/amd64/include/atomic.h

@@ -101 +101 @@
 static inline atomic_count_t test_and_set(atomic_t *val)
 {
-        atomic_count_t v = 1;
+        atomic_count_t v;
         
         asm volatile (
+                "movq $1, %[v]\n"
                 "xchgq %[v], %[count]\n"
-                : [v] "+r" (v),
+                : [v] "=r" (v),
                   [count] "+m" (val->count)
         );