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authorPaul Mundt <lethal@linux-sh.org>2009-07-29 00:12:17 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-07-29 00:12:17 +0900
commit9cef7492696a416663b4edb953a4eade8517ebeb (patch)
treee52b19208a2197a624a7942e6c549d274a944fb0 /arch/sh/mm/tlbflush_64.c
parent0dfae7d5a21901b28ec0452d71be64adf5ea323e (diff)
downloadlinux-9cef7492696a416663b4edb953a4eade8517ebeb.tar.bz2
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>
Diffstat (limited to 'arch/sh/mm/tlbflush_64.c')
-rw-r--r--arch/sh/mm/tlbflush_64.c25
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)
+{
+}