2 files changed, 7 insertions, 3 deletions

diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 80f315e8a421..abb833b0e58f 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -381,9 +381,9 @@ extern const char *powerpc_base_platform;
 #define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 
 /* 64-bit CPUs */
-#define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
+#define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | \
             CPU_FTR_IABR | CPU_FTR_PPC_LE)
-#define CPU_FTRS_RS64   (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
+#define CPU_FTRS_RS64   (CPU_FTR_USE_TB | \
             CPU_FTR_IABR | \
             CPU_FTR_MMCRA | CPU_FTR_CTRL)
 #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index 5db1f0d5ea82..d7cab44643c5 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -37,7 +37,11 @@ static inline void isync(void)
 #endif
 
 #ifdef CONFIG_SMP
-#define PPC_ACQUIRE_BARRIER     "\n\tisync\n"
+#define __PPC_ACQUIRE_BARRIER                           \
+        START_LWSYNC_SECTION(97);                       \
+        isync;                                          \
+        MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
+#define PPC_ACQUIRE_BARRIER     "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
 #define PPC_RELEASE_BARRIER     stringify_in_c(LWSYNC) "\n"
 #else
 #define PPC_ACQUIRE_BARRIER