1 files changed, 7 insertions, 4 deletions

diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index ae418b85c17c..b886795060fd 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1411,10 +1411,8 @@ USE_TEXT_SECTION()
         .balign IFETCH_ALIGN_BYTES
 do_hash_page:
 #ifdef CONFIG_PPC_STD_MMU_64
-        andis.  r0,r4,0xa410            /* weird error? */
+        andis.  r0,r4,0xa450            /* weird error? */
         bne-    handle_page_fault       /* if not, try to insert a HPTE */
-        andis.  r0,r4,DSISR_DABRMATCH@h
-        bne-    handle_dabr_fault
         CURRENT_THREAD_INFO(r11, r1)
         lwz     r0,TI_PREEMPT(r11)      /* If we're in an "NMI" */
         andis.  r0,r0,NMI_MASK@h        /* (i.e. an irq when soft-disabled) */
@@ -1438,11 +1436,16 @@ do_hash_page:
 
         /* Error */
         blt-    13f
+
+        /* Reload DSISR into r4 for the DABR check below */
+        ld      r4,_DSISR(r1)
 #endif /* CONFIG_PPC_STD_MMU_64 */
 
 /* Here we have a page fault that hash_page can't handle. */
 handle_page_fault:
-11:     ld      r4,_DAR(r1)
+11:     andis.  r0,r4,DSISR_DABRMATCH@h
+        bne-    handle_dabr_fault
+        ld      r4,_DAR(r1)
         ld      r5,_DSISR(r1)
         addi    r3,r1,STACK_FRAME_OVERHEAD
         bl      do_page_fault