1 files changed, 2 insertions, 0 deletions

diff --git a/arch/ppc/kernel/process.c b/arch/ppc/kernel/process.c
index 78ea10197a0b..cb1c7b92f8c6 100644
--- a/arch/ppc/kernel/process.c
+++ b/arch/ppc/kernel/process.c
@@ -347,11 +347,13 @@ struct task_struct *__switch_to(struct task_struct *prev,
 #endif /* CONFIG_SPE */
 #endif /* CONFIG_SMP */
 
+#ifdef CONFIG_ALTIVEC
         /* Avoid the trap.  On smp this this never happens since
          * we don't set last_task_used_altivec -- Cort
          */
         if (new->thread.regs && last_task_used_altivec == new)
                 new->thread.regs->msr |= MSR_VEC;
+#endif
 #ifdef CONFIG_SPE
         /* Avoid the trap.  On smp this this never happens since
          * we don't set last_task_used_spe