1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e4d71ced97ef..9d255b4f0a0e 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -371,6 +371,9 @@ int set_dabr(unsigned long dabr)
         /* XXX should we have a CPU_FTR_HAS_DABR ? */
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
         mtspr(SPRN_DAC1, dabr);
+#ifdef CONFIG_PPC_47x
+        isync();
+#endif
 #elif defined(CONFIG_PPC_BOOK3S)
         mtspr(SPRN_DABR, dabr);
 #endif