xiaoxiang781216 commented on code in PR #15848:
URL: https://github.com/apache/nuttx/pull/15848#discussion_r1957537628
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arch/arm/include/spinlock.h:
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@@ -63,12 +63,21 @@
* all memory accesses are complete
*/
-#define UP_DSB() __asm__ __volatile__ ("dsb sy" : : : "memory")
-#define UP_DMB() __asm__ __volatile__ ("dmb st" : : : "memory")
+#ifndef UP_DSB
Review Comment:
remove the duplicated macro directly
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