diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 52e5758ea3689825923ff04d7dc6f602f98dda98..a27ccd5dc6b9a5bb18435af2a862d7b5ddb619be 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -651,6 +651,10 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
 	int sw = 0;
 	int i, j;
 
+	/* userland only */
+	if (unlikely(!user_mode(regs)))
+		return 0;
+
 	flush_vsx_to_thread(current);
 
 	if (reg < 32)