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-rw-r--r--sys/amd64/include/atomic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/amd64/include/atomic.h b/sys/amd64/include/atomic.h
index 41f3e1a..919bd5a 100644
--- a/sys/amd64/include/atomic.h
+++ b/sys/amd64/include/atomic.h
@@ -117,7 +117,7 @@ extern void atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v)
#if defined(__GNUC__)
-#if defined(I386_CPU)
+#if defined(I386_CPU) || defined(CPU_DISABLE_CMPXCHG)
static __inline int
atomic_cmpset_int(volatile u_int *dst, u_int exp, u_int src)
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