arch/metag/include/asm/tlb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_METAG_TLB_H
   3 #define __ASM_METAG_TLB_H
   4
   5 #include <asm/cacheflush.h>
   6 #include <asm/page.h>
   7
   8 /* Note, read http://lkml.org/lkml/2004/1/15/6 */
   9
  10 #ifdef CONFIG_METAG_META12
  11
  12 #define tlb_start_vma(tlb, vma)                                               \
  13         do {                                                                  \
  14                 if (!tlb->fullmm)                                             \
  15                         flush_cache_range(vma, vma->vm_start, vma->vm_end);   \
  16         } while (0)
  17
  18 #define tlb_end_vma(tlb, vma)                                                 \
  19         do {                                                                  \
  20                 if (!tlb->fullmm)                                             \
  21                         flush_tlb_range(vma, vma->vm_start, vma->vm_end);     \
  22         } while (0)
  23
  24
  25 #else
  26
  27 #define tlb_start_vma(tlb, vma)                 do { } while (0)
  28 #define tlb_end_vma(tlb, vma)                   do { } while (0)
  29
  30 #endif
  31
  32 #define __tlb_remove_tlb_entry(tlb, pte, addr)  do { } while (0)
  33 #define tlb_flush(tlb)                          flush_tlb_mm((tlb)->mm)
  34
  35 #include <asm-generic/tlb.h>
  36
  37 #endif