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Diffstat (limited to 'arch/loongarch/include/asm/cmpxchg.h')
-rw-r--r--arch/loongarch/include/asm/cmpxchg.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/cmpxchg.h b/arch/loongarch/include/asm/cmpxchg.h
index 58cabab6d90d..909f9274fe71 100644
--- a/arch/loongarch/include/asm/cmpxchg.h
+++ b/arch/loongarch/include/asm/cmpxchg.h
@@ -238,6 +238,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, unsigned int
arch_cmpxchg((ptr), (o), (n)); \
})
+#ifdef CONFIG_AS_HAS_SCQ_EXTENSION
+
union __u128_halves {
u128 full;
struct {
@@ -290,6 +292,9 @@ union __u128_halves {
BUILD_BUG_ON(sizeof(*(ptr)) != 16); \
__arch_cmpxchg128(ptr, o, n, ""); \
})
+
+#endif /* CONFIG_AS_HAS_SCQ_EXTENSION */
+
#else
#include <asm-generic/cmpxchg-local.h>
#define arch_cmpxchg64_local(ptr, o, n) __generic_cmpxchg64_local((ptr), (o), (n))