This patch adds the required platform specific code to allow execution of
the libibverbs functions on the s390x platform.

Signed-off-by: Alexey Ishchuk <[email protected]>
---
 include/infiniband/arch.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/include/infiniband/arch.h
+++ b/include/infiniband/arch.h
@@ -115,6 +115,13 @@ static inline uint64_t ntohll(uint64_t x
 #define wmb()   mb()
 #define wc_wmb() wmb()
 
+#elif defined(__s390x__)
+
+#define mb()   { asm volatile("" : : : "memory"); }    /* for s390x */
+#define rmb()  mb()                                    /* for s390x */
+#define wmb()  mb()                                    /* for s390x */
+#define wc_wmb() wmb()                                 /* for s390x */
+
 #else
 
 #warning No architecture specific defines found.  Using generic implementation.

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