1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 894662a5d4d5..243ce69ad685 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -284,7 +284,7 @@ do_kvm_##n:								\
         subi    r1,r1,INT_FRAME_SIZE;   /* alloc frame on kernel stack  */ \
         beq-    1f;                                                        \
         ld      r1,PACAKSAVE(r13);      /* kernel stack to use          */ \
-1:      cmpdi   cr1,r1,0;               /* check if r1 is in userspace  */ \
+1:      cmpdi   cr1,r1,-INT_FRAME_SIZE; /* check if r1 is in userspace  */ \
         blt+    cr1,3f;                 /* abort if it is               */ \
         li      r1,(n);                 /* will be reloaded later       */ \
         sth     r1,PACA_TRAP_SAVE(r13);                                    \