Change __x86_64 into __x86_64__
This patch improves consistency with the Linux kernel source code.
@@ -31,7 +31,7 @@ after the acquire operation executes. This is implemented using
#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))
-#if defined(__x86_64) || defined(__i386__)
+#if defined(__x86_64__) || defined(__i386__)
/* From tools/arch/x86/include/asm/barrier.h */
#if defined(__i386__)
/*
@@ -64,14 +64,14 @@ do { \
___p1; \
})
#endif /* defined(__x86_64__) */
-#else
+#else /* defined(__x86_64__) || defined(__i386__) */
/*
* Add arch appropriate definitions. Be safe and use full barriers for
* archs we don't have support for.
*/
#define smp_rmb() __sync_synchronize()
#define smp_wmb() __sync_synchronize()
-#endif
+#endif /* defined(__x86_64__) || defined(__i386__) */
/* From tools/include/asm/barrier.h */
@@ -92,4 +92,4 @@ do { \
})
#endif
-#endif
+#endif /* defined(LIBURING_BARRIER_H) */
