D53691.1791625360.diff
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	diff --git a/sys/arm/include/atomic.h b/sys/arm/include/atomic.h
	--- a/sys/arm/include/atomic.h
	+++ b/sys/arm/include/atomic.h
	@@ -42,8 +42,10 @@
	#include <sys/atomic_common.h>

	#define isb() __asm __volatile("isb" : : : "memory")
	-#define dsb() __asm __volatile("dsb" : : : "memory")
	-#define dmb() __asm __volatile("dmb" : : : "memory")
	+#define dsb1(opt) __asm __volatile("dsb " __STRING(opt) : : : "memory")
	+#define dsb(...) dsb1(__VA_ARGS__)
	+#define dmb1(opt) __asm __volatile("dmb " __STRING(opt) : : : "memory")
	+#define dmb(...) dmb1(__VA_ARGS__)

	#define mb() dmb()
	#define wmb() dmb()