Cleanup: move generic caa_get_cycles to arch/generic.h

[urcu.git] / urcu / arch / s390.h

diff --git a/urcu/arch/s390.h b/urcu/arch/s390.h
index b1474d8c32f524b1309f2068754c1e0040ff296e..86a0a3689244b1ec2f9772fcda5a1093138aec2f 100644 (file)
--- a/urcu/arch/s390.h
+++ b/urcu/arch/s390.h
@@ -40,6 +40,8 @@ extern "C" {
 
 #define cmm_mb()    __asm__ __volatile__("bcr 15,0" : : : "memory")
 
+#define HAS_CAA_GET_CYCLES
+
 typedef unsigned long long cycles_t;
 
 static inline cycles_t caa_get_cycles (void)
@@ -51,6 +53,14 @@ static inline cycles_t caa_get_cycles (void)
        return cycles;
 }
 
+/*
+ * Define the membarrier system call number if not yet available in the
+ * system headers.
+ */
+#ifndef __NR_membarrier
+#define __NR_membarrier                356
+#endif
+
 #ifdef __cplusplus 
 }
 #endif