summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/barrier.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/barrier.h')
-rw-r--r--arch/powerpc/include/asm/barrier.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
index bab79a1..cb6d66c 100644
--- a/arch/powerpc/include/asm/barrier.h
+++ b/arch/powerpc/include/asm/barrier.h
@@ -33,7 +33,6 @@
#define mb() __asm__ __volatile__ ("sync" : : : "memory")
#define rmb() __asm__ __volatile__ ("sync" : : : "memory")
#define wmb() __asm__ __volatile__ ("sync" : : : "memory")
-#define read_barrier_depends() do { } while(0)
#define set_mb(var, value) do { var = value; mb(); } while (0)
@@ -50,16 +49,17 @@
#define smp_mb() mb()
#define smp_rmb() __lwsync()
#define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory")
-#define smp_read_barrier_depends() read_barrier_depends()
#else
#define __lwsync() barrier()
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while(0)
#endif /* CONFIG_SMP */
+#define read_barrier_depends() do { } while (0)
+#define smp_read_barrier_depends() do { } while (0)
+
/*
* This is a barrier which prevents following instructions from being
* started until the value of the argument x is known. For example, if
OpenPOWER on IntegriCloud