1 files changed, 6 insertions, 24 deletions

diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index fafd227735fa..090dcca00d2a 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -256,9 +256,8 @@ rt_continue:	ldx			[%sp + PTREGS_OFF + PT_V9_G1], %g1
                 brnz,pn                 %l3, kern_rtt
                  mov                    PRIMARY_CONTEXT, %l7
                 ldxa                    [%l7 + %l7] ASI_DMMU, %l0
-cplus_rtrap_insn_1:
-                sethi                   %hi(0), %l1
-                sllx                    %l1, 32, %l1
+                sethi                   %hi(sparc64_kern_pri_nuc_bits), %l1
+                ldx                     [%l1 + %lo(sparc64_kern_pri_nuc_bits)], %l1
                 or                      %l0, %l1, %l0
                 stxa                    %l0, [%l7] ASI_DMMU
                 flush                   %g6
@@ -313,53 +312,36 @@ kern_fpucheck:	ldub			[%g6 + TI_FPDEPTH], %l5
                 wr                      %g1, FPRS_FEF, %fprs
                 ldx                     [%o1 + %o5], %g1
                 add                     %g6, TI_XFSR, %o1
-                membar                  #StoreLoad | #LoadLoad
                 sll                     %o0, 8, %o2
                 add                     %g6, TI_FPREGS, %o3
                 brz,pn                  %l6, 1f
                  add                    %g6, TI_FPREGS+0x40, %o4
 
+                membar                  #Sync
                 ldda                    [%o3 + %o2] ASI_BLK_P, %f0
                 ldda                    [%o4 + %o2] ASI_BLK_P, %f16
+                membar                  #Sync
 1:              andcc                   %l2, FPRS_DU, %g0
                 be,pn                   %icc, 1f
                  wr                     %g1, 0, %gsr
                 add                     %o2, 0x80, %o2
+                membar                  #Sync
                 ldda                    [%o3 + %o2] ASI_BLK_P, %f32
                 ldda                    [%o4 + %o2] ASI_BLK_P, %f48
-
 1:              membar                  #Sync
                 ldx                     [%o1 + %o5], %fsr
 2:              stb                     %l5, [%g6 + TI_FPDEPTH]
                 ba,pt                   %xcc, rt_continue
                  nop
 5:              wr                      %g0, FPRS_FEF, %fprs
-                membar                  #StoreLoad | #LoadLoad
                 sll                     %o0, 8, %o2
 
                 add                     %g6, TI_FPREGS+0x80, %o3
                 add                     %g6, TI_FPREGS+0xc0, %o4
+                membar                  #Sync
                 ldda                    [%o3 + %o2] ASI_BLK_P, %f32
                 ldda                    [%o4 + %o2] ASI_BLK_P, %f48
                 membar                  #Sync
                 wr                      %g0, FPRS_DU, %fprs
                 ba,pt                   %xcc, rt_continue
                  stb                    %l5, [%g6 + TI_FPDEPTH]
-
-cplus_rinsn_1:
-                sethi                   %uhi(CTX_CHEETAH_PLUS_NUC), %l1
-
-                .globl                  cheetah_plus_patch_rtrap
-cheetah_plus_patch_rtrap:
-                /* We configure the dTLB512_0 for 4MB pages and the
-                 * dTLB512_1 for 8K pages when in context zero.
-                 */
-                sethi                   %hi(cplus_rinsn_1), %o0
-                sethi                   %hi(cplus_rtrap_insn_1), %o2
-                lduw                    [%o0 + %lo(cplus_rinsn_1)], %o1
-                or                      %o2, %lo(cplus_rtrap_insn_1), %o2
-                stw                     %o1, [%o2]
-                flush                   %o2
-
-                retl
-                 nop