[SPARC64]: Replace cheetah+ code patching with variables.

Instead of code patching to handle the page size fields in
the context registers, just use variables from which we get
the proper values.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 31 deletions

diff --git a/arch/sparc64/kernel/winfixup.S b/arch/sparc64/kernel/winfixup.S
index 99c809a1e5ac..39160926267b 100644
--- a/arch/sparc64/kernel/winfixup.S
+++ b/arch/sparc64/kernel/winfixup.S
@@ -16,23 +16,14 @@
         .text
 
 set_pcontext:
-cplus_winfixup_insn_1:
-        sethi   %hi(0), %l1
+        sethi   %hi(sparc64_kern_pri_context), %l1
+        ldx     [%l1 + %lo(sparc64_kern_pri_context)], %l1
         mov     PRIMARY_CONTEXT, %g1
-        sllx    %l1, 32, %l1
-cplus_winfixup_insn_2:
-        sethi   %hi(0), %g2
-        or      %l1, %g2, %l1
         stxa    %l1, [%g1] ASI_DMMU
         flush   %g6
         retl
          nop
 
-cplus_wfinsn_1:
-        sethi   %uhi(CTX_CHEETAH_PLUS_NUC), %l1
-cplus_wfinsn_2:
-        sethi   %hi(CTX_CHEETAH_PLUS_CTX0), %g2
-
         .align  32
 
         /* Here are the rules, pay attention.
@@ -395,23 +386,3 @@ window_dax_from_user_common:
          add            %sp, PTREGS_OFF, %o0
         ba,pt           %xcc, rtrap
          clr            %l6
-        
-
-        .globl          cheetah_plus_patch_winfixup
-cheetah_plus_patch_winfixup:
-        sethi                   %hi(cplus_wfinsn_1), %o0
-        sethi                   %hi(cplus_winfixup_insn_1), %o2
-        lduw                    [%o0 + %lo(cplus_wfinsn_1)], %o1
-        or                      %o2, %lo(cplus_winfixup_insn_1), %o2
-        stw                     %o1, [%o2]
-        flush                   %o2
-
-        sethi                   %hi(cplus_wfinsn_2), %o0
-        sethi                   %hi(cplus_winfixup_insn_2), %o2
-        lduw                    [%o0 + %lo(cplus_wfinsn_2)], %o1
-        or                      %o2, %lo(cplus_winfixup_insn_2), %o2
-        stw                     %o1, [%o2]
-        flush                   %o2
-
-        retl
-         nop