sparc,ppc,s390: uatomic ops update

[urcu.git] / urcu / arch_s390.h

diff --git a/urcu/arch_s390.h b/urcu/arch_s390.h
index 71717686c77f23589e8664981aa1126a4248896c..148545b2df5d44c435a96bfde6718018e4069888 100644 (file)
--- a/urcu/arch_s390.h
+++ b/urcu/arch_s390.h
@@ -29,10 +29,19 @@
  */
 
 #include <compiler.h>
+#include <urcu/config.h>
 
 #define CONFIG_HAVE_MEM_COHERENCY
-/* Assume SMP machine, given we don't have this information */
-#define CONFIG_SMP 1
+
+#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)
@@ -45,12 +54,21 @@
 #define rmc()  barrier()
 #define wmc()  barrier()
 
+#ifdef CONFIG_URCU_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()