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>
diff --git a/include/asm-sh/tlbflush.h b/include/asm-sh/tlbflush.h
index 28c073b..455fb8d 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);
-extern void flush_tlb(void);
+#ifdef CONFIG_SMP
+
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 */
