xiaoxiang781216 commented on code in PR #18284:
URL: https://github.com/apache/nuttx/pull/18284#discussion_r2752416964
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arch/arm/include/armv8-m/barriers.h:
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@@ -35,7 +35,7 @@
#define arm_isb() __asm__ __volatile__ ("isb " : : : "memory")
#define arm_dmb() __asm__ __volatile__ ("dmb " : : : "memory")
-#define arm_rmb() __asm__ __volatile__ ("dmb ishld" : : : "memory")
+#define arm_rmb() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define arm_wmb() __asm__ __volatile__ ("dmb ishst" : : : "memory")
Review Comment:
does it have ishst? I don't think so.
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