arm64: Clean up __flush_tlb(_kernel)_range functions

This patch moves the MAX_TLB_RANGE check into the
flush_tlb(_kernel)_range functions directly to avoid the
undescore-prefixed definitions (and for consistency with a subsequent
patch).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/arch/arm64/include/asm/tlbflush.h b/arch/arm64/include/asm/tlbflush.h
index 7fedfa787a6424cb94f220c15dd4edafeed29a20..e972bf45655803fcbd903932d3fecfa4ec5a8190 100644 (file)
--- a/arch/arm64/include/asm/tlbflush.h
+++ b/arch/arm64/include/asm/tlbflush.h
@@ -91,11 +91,23 @@ static inline void flush_tlb_page(struct vm_area_struct *vma,
        dsb(ish);
 }
 
-static inline void __flush_tlb_range(struct vm_area_struct *vma,
-                                    unsigned long start, unsigned long end)
+/*
+ * This is meant to avoid soft lock-ups on large TLB flushing ranges and not
+ * necessarily a performance improvement.
+ */
+#define MAX_TLB_RANGE  (1024UL << PAGE_SHIFT)
+
+static inline void flush_tlb_range(struct vm_area_struct *vma,
+                                  unsigned long start, unsigned long end)
 {
        unsigned long asid = (unsigned long)ASID(vma->vm_mm) << 48;
        unsigned long addr;
+
+       if ((end - start) > MAX_TLB_RANGE) {
+               flush_tlb_mm(vma->vm_mm);
+               return;
+       }
+
        start = asid | (start >> 12);
        end = asid | (end >> 12);
 
@@ -105,9 +117,15 @@ static inline void __flush_tlb_range(struct vm_area_struct *vma,
        dsb(ish);
 }
 
-static inline void __flush_tlb_kernel_range(unsigned long start, unsigned long end)
+static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end)
 {
        unsigned long addr;
+
+       if ((end - start) > MAX_TLB_RANGE) {
+               flush_tlb_all();
+               return;
+       }
+
        start >>= 12;
        end >>= 12;
 
@@ -118,29 +136,6 @@ static inline void __flush_tlb_kernel_range(unsigned long start, unsigned long e
        isb();
 }
 
-/*
- * This is meant to avoid soft lock-ups on large TLB flushing ranges and not
- * necessarily a performance improvement.
- */
-#define MAX_TLB_RANGE  (1024UL << PAGE_SHIFT)
-
-static inline void flush_tlb_range(struct vm_area_struct *vma,
-                                  unsigned long start, unsigned long end)
-{
-       if ((end - start) <= MAX_TLB_RANGE)
-               __flush_tlb_range(vma, start, end);
-       else
-               flush_tlb_mm(vma->vm_mm);
-}
-
-static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end)
-{
-       if ((end - start) <= MAX_TLB_RANGE)
-               __flush_tlb_kernel_range(start, end);
-       else
-               flush_tlb_all();
-}
-
 /*
  * Used to invalidate the TLB (walk caches) corresponding to intermediate page
  * table levels (pgd/pud/pmd).