Re: [PATCH] liburing/barrier.h: Add prefix io_uring to barriers

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On 8/12/19 5:39 AM, Julia Suvorova wrote:
-#define mb()	asm volatile("mfence" ::: "memory")
-#define rmb()	asm volatile("lfence" ::: "memory")
-#define wmb()	asm volatile("sfence" ::: "memory")
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
+#define io_uring_mb()		asm volatile("mfence" ::: "memory")
+#define io_uring_rmb()		asm volatile("lfence" ::: "memory")
+#define io_uring_wmb()		asm volatile("sfence" ::: "memory")
+#define io_uring_smp_rmb()	io_uring_barrier()
+#define io_uring_smp_wmb()	io_uring_barrier()

Do users of liburing need these macros? If not, have you considered to move these macros to a new header file that is only used inside liburing and such that these macros are no longer visible to liburing users?

Thanks,

Bart.



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