powerpc: Optimise smp_wmb

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / include / asm / system.h

diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h
index d6648c1433221972a6730392236dc8c3c63fe614..917f515bc671ebefa224ec3dca8459502813ce00 100644 (file)
--- a/arch/powerpc/include/asm/system.h
+++ b/arch/powerpc/include/asm/system.h
@@ -45,14 +45,14 @@
 #ifdef CONFIG_SMP
 
 #ifdef __SUBARCH_HAS_LWSYNC
-#    define SMPWMB      lwsync
+#    define SMPWMB      LWSYNC
 #else
 #    define SMPWMB      eieio
 #endif
 
 #define smp_mb()       mb()
 #define smp_rmb()      rmb()
-#define smp_wmb()      __asm__ __volatile__ (__stringify(SMPWMB) : : :"memory")
+#define smp_wmb()      __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory")
 #define smp_read_barrier_depends()     read_barrier_depends()
 #else
 #define smp_mb()       barrier()