1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/mm/slb.c b/arch/powerpc/mm/slb.c
index 6c164cec9d2c..bbd2c512ee05 100644
--- a/arch/powerpc/mm/slb.c
+++ b/arch/powerpc/mm/slb.c
@@ -157,7 +157,8 @@ void switch_slb(struct task_struct *tsk, struct mm_struct *mm)
         unsigned long stack = KSTK_ESP(tsk);
         unsigned long unmapped_base;
 
-        if (offset <= SLB_CACHE_ENTRIES) {
+        if (!cpu_has_feature(CPU_FTR_NO_SLBIE_B) &&
+            offset <= SLB_CACHE_ENTRIES) {
                 int i;
                 asm volatile("isync" : : : "memory");
                 for (i = 0; i < offset; i++) {