Merge branch 'master'

1 files changed, 5 insertions, 9 deletions

diff --git a/arch/sparc64/kernel/dtlb_base.S b/arch/sparc64/kernel/dtlb_base.S
index 702d349c1e88..6528786840c0 100644
--- a/arch/sparc64/kernel/dtlb_base.S
+++ b/arch/sparc64/kernel/dtlb_base.S
@@ -53,19 +53,18 @@
  * be guaranteed to be 0 ... mmu_context.h does guarantee this
  * by only using 10 bits in the hwcontext value.
  */
-#define CREATE_VPTE_OFFSET1(r1, r2)
+#define CREATE_VPTE_OFFSET1(r1, r2) nop
 #define CREATE_VPTE_OFFSET2(r1, r2) \
                                 srax    r1, 10, r2
-#define CREATE_VPTE_NOP         nop
 #else
 #define CREATE_VPTE_OFFSET1(r1, r2) \
                                 srax    r1, PAGE_SHIFT, r2
 #define CREATE_VPTE_OFFSET2(r1, r2) \
                                 sllx    r2, 3, r2
-#define CREATE_VPTE_NOP
 #endif
 
 /* DTLB ** ICACHE line 1: Quick user TLB misses         */
+        mov             TLB_SFSR, %g1
         ldxa            [%g1 + %g1] ASI_DMMU, %g4       ! Get TAG_ACCESS
         andcc           %g4, TAG_CONTEXT_BITS, %g0      ! From Nucleus?
 from_tl1_trap:
@@ -74,18 +73,16 @@ from_tl1_trap:
         be,pn           %xcc, kvmap                     ! Yep, special processing
          CREATE_VPTE_OFFSET2(%g4, %g6)                  ! Create VPTE offset
         cmp             %g5, 4                          ! Last trap level?
-        be,pn           %xcc, longpath                  ! Yep, cannot risk VPTE miss
-         nop                                            ! delay slot
 
 /* DTLB ** ICACHE line 2: User finish + quick kernel TLB misses */
+        be,pn           %xcc, longpath                  ! Yep, cannot risk VPTE miss
+         nop                                            ! delay slot
         ldxa            [%g3 + %g6] ASI_S, %g5          ! Load VPTE
 1:      brgez,pn        %g5, longpath                   ! Invalid, branch out
          nop                                            ! Delay-slot
 9:      stxa            %g5, [%g0] ASI_DTLB_DATA_IN     ! Reload TLB
         retry                                           ! Trap return
         nop
-        nop
-        nop
 
 /* DTLB ** ICACHE line 3: winfixups+real_faults         */
 longpath:
@@ -106,8 +103,7 @@ longpath:
         nop
         nop
         nop
-        CREATE_VPTE_NOP
+        nop
 
 #undef CREATE_VPTE_OFFSET1
 #undef CREATE_VPTE_OFFSET2
-#undef CREATE_VPTE_NOP