sh: update_mmu_cache() consolidation.

This splits out a separate __update_cache()/__update_tlb() for
update_mmu_cache() to wrap in to. This lets us share the common
__update_cache() bits while keeping special __update_tlb() handling
broken out.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 9 insertions, 16 deletions

diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index 3ce40ea34824..f2e44e9ffb75 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -329,22 +329,6 @@ do_sigbus:
                 goto no_context;
 }
 
-void update_mmu_cache(struct vm_area_struct * vma,
-                        unsigned long address, pte_t pte)
-{
-        /*
-         * This appears to get called once for every pte entry that gets
-         * established => I don't think it's efficient to try refilling the
-         * TLBs with the pages - some may not get accessed even.  Also, for
-         * executable pages, it is impossible to determine reliably here which
-         * TLB they should be mapped into (or both even).
-         *
-         * So, just do nothing here and handle faults on demand.  In the
-         * TLBMISS handling case, the refill is now done anyway after the pte
-         * has been fixed up, so that deals with most useful cases.
-         */
-}
-
 void local_flush_tlb_one(unsigned long asid, unsigned long page)
 {
         unsigned long long match, pteh=0, lpage;
@@ -482,3 +466,12 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
         /* FIXME: Optimize this later.. */
         flush_tlb_all();
 }
+
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+{
+}
+
+void __update_cache(struct vm_area_struct *vma,
+                    unsigned long address, pte_t pte)
+{
+}