sh: Local TLB flushing variants for SMP prep.

Rename the existing flush routines to local_ variants for use by
the IPI-backed global flush routines on SMP.

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

1 files changed, 31 insertions, 7 deletions

diff --git a/include/asm-sh/tlbflush.h b/include/asm-sh/tlbflush.h
index 28c073b0fbab..455fb8da441e 100644
--- a/include/asm-sh/tlbflush.h
+++ b/include/asm-sh/tlbflush.h
@@ -4,7 +4,6 @@
 /*
  * TLB flushing:
  *
- *  - flush_tlb() flushes the current mm struct TLBs
  *  - flush_tlb_all() flushes all processes TLBs
  *  - flush_tlb_mm(mm) flushes the specified mm context TLB's
  *  - flush_tlb_page(vma, vmaddr) flushes one page
@@ -12,20 +11,45 @@
  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
  *  - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
  */
+extern void local_flush_tlb_all(void);
+extern void local_flush_tlb_mm(struct mm_struct *mm);
+extern void local_flush_tlb_range(struct vm_area_struct *vma,
+                                  unsigned long start,
+                                  unsigned long end);
+extern void local_flush_tlb_page(struct vm_area_struct *vma,
+                                 unsigned long page);
+extern void local_flush_tlb_kernel_range(unsigned long start,
+                                         unsigned long end);
+extern void local_flush_tlb_one(unsigned long asid, unsigned long page);
+
+#ifdef CONFIG_SMP
 
-extern void flush_tlb(void);
 extern void flush_tlb_all(void);
 extern void flush_tlb_mm(struct mm_struct *mm);
 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
                             unsigned long end);
 extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
-extern void __flush_tlb_page(unsigned long asid, unsigned long page);
+extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+extern void flush_tlb_one(unsigned long asid, unsigned long page);
+
+#else
+
+#define flush_tlb_all()                 local_flush_tlb_all()
+#define flush_tlb_mm(mm)                local_flush_tlb_mm(mm)
+#define flush_tlb_page(vma, page)       local_flush_tlb_page(vma, page)
+#define flush_tlb_one(asid, page)       local_flush_tlb_one(asid, page)
+
+#define flush_tlb_range(vma, start, end)        \
+        local_flush_tlb_range(vma, start, end)
+
+#define flush_tlb_kernel_range(start, end)      \
+        local_flush_tlb_kernel_range(start, end)
+
+#endif /* CONFIG_SMP */
 
 static inline void flush_tlb_pgtables(struct mm_struct *mm,
                                       unsigned long start, unsigned long end)
-{ /* Nothing to do */
+{
+        /* Nothing to do */
 }
-
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-
 #endif /* __ASM_SH_TLBFLUSH_H */