[SPARC64]: Fix unaligned access winfxup handling on SUN4V.

[linux-2.6-omap-h63xx.git] / arch / sparc64 / kernel / dtlb_prot.S

diff --git a/arch/sparc64/kernel/dtlb_prot.S b/arch/sparc64/kernel/dtlb_prot.S
index d848bb7374bb4efe539e1e504c11339c5be993ae..e0a920162604e393dd8396e912b96c5d15a1bc12 100644 (file)
--- a/arch/sparc64/kernel/dtlb_prot.S
+++ b/arch/sparc64/kernel/dtlb_prot.S
@@ -14,14 +14,14 @@
  */
 
 /* PROT ** ICACHE line 1: User DTLB protection trap    */
-       stxa            %g0, [%g1] ASI_DMMU             ! Clear SFSR FaultValid bit
-       membar          #Sync                           ! Synchronize ASI stores
-       rdpr            %pstate, %g5                    ! Move into alternate globals
+       mov             TLB_SFSR, %g1
+       stxa            %g0, [%g1] ASI_DMMU             ! Clear FaultValid bit
+       membar          #Sync                           ! Synchronize stores
+       rdpr            %pstate, %g5                    ! Move into alt-globals
        wrpr            %g5, PSTATE_AG|PSTATE_MG, %pstate
-       rdpr            %tl, %g1                        ! Need to do a winfixup?
+       rdpr            %tl, %g1                        ! Need a winfixup?
        cmp             %g1, 1                          ! Trap level >1?
-       mov             TLB_TAG_ACCESS, %g4             ! Prepare reload of vaddr
-       nop
+       mov             TLB_TAG_ACCESS, %g4             ! For reload of vaddr
 
 /* PROT ** ICACHE line 2: More real fault processing */
        bgu,pn          %xcc, winfix_trampoline         ! Yes, perform winfixup