X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=urcu%2Farch_s390.h;h=92341a07e2edbec9f49d550fb4aa295761e04ac6;hb=02be55611d3b1c7bf4fdfcb3a9c98f621882d417;hp=1a43c6cff6a22847f288241fed60db77b3fcb933;hpb=7d413817f09b2d17b1a79ea012590609ffab5eb6;p=urcu.git

diff --git a/urcu/arch_s390.h b/urcu/arch_s390.h
index 1a43c6c..92341a0 100644
--- a/urcu/arch_s390.h
+++ b/urcu/arch_s390.h
@@ -1,5 +1,5 @@
-#ifndef _ARCH_S390_H
-#define _ARCH_S390_H
+#ifndef _URCU_ARCH_S390_H
+#define _URCU_ARCH_S390_H
 
 /*
  * Trivial definitions for the S390 architecture based on information from the
@@ -29,27 +29,50 @@
  */
 
 #include <compiler.h>
-#include "config.h"
+#include <urcu/config.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
 
 #define CONFIG_HAVE_MEM_COHERENCY
 
+#define CACHE_LINE_SIZE	128
+
+#ifndef __SIZEOF_LONG__
+#ifdef __s390x__
+#define __SIZEOF_LONG__ 8
+#else
+#define __SIZEOF_LONG__ 4
+#endif
+#endif
+
 #ifndef BITS_PER_LONG
 #define BITS_PER_LONG	(__SIZEOF_LONG__ * 8)
 #endif
 
 #define mb()    __asm__ __volatile__("bcr 15,0" : : : "memory")
-#define rmb()   __asm__ __volatile__("bcr 15,0" : : : "memory");
-#define wmb()   __asm__ __volatile__("bcr 15,0" : : : "memory");
+#define rmb()   __asm__ __volatile__("bcr 15,0" : : : "memory")
+#define wmb()   __asm__ __volatile__("bcr 15,0" : : : "memory")
 #define mc()	barrier()
 #define rmc()	barrier()
 #define wmc()	barrier()
 
+#ifdef CONFIG_RCU_SMP
 #define smp_mb()	mb()
 #define smp_rmb()	rmb()
 #define smp_wmb()	wmb()
 #define smp_mc()	mc()
 #define smp_rmc()	rmc()
 #define smp_wmc()	wmc()
+#else
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
+#define smp_mc()	barrier()
+#define smp_rmc()	barrier()
+#define smp_wmc()	barrier()
+#endif
 
 /* Nop everywhere except on alpha. */
 #define smp_read_barrier_depends()
@@ -75,4 +98,8 @@ static inline cycles_t get_cycles (void)
 	return cycles;
 }
 
-#endif /* _ARCH_S390_H */
+#ifdef __cplusplus 
+}
+#endif
+
+#endif /* _URCU_ARCH_S390_H */