root/arch/sparc/include/asm/tlb_64.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _SPARC64_TLB_H
   3 #define _SPARC64_TLB_H
   4 
   5 #include <linux/swap.h>
   6 #include <linux/pagemap.h>
   7 #include <asm/pgalloc.h>
   8 #include <asm/tlbflush.h>
   9 #include <asm/mmu_context.h>
  10 
  11 #ifdef CONFIG_SMP
  12 void smp_flush_tlb_pending(struct mm_struct *,
  13                                   unsigned long, unsigned long *);
  14 #endif
  15 
  16 #ifdef CONFIG_SMP
  17 void smp_flush_tlb_mm(struct mm_struct *mm);
  18 #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm)
  19 #else
  20 #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT)
  21 #endif
  22 
  23 void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *);
  24 void flush_tlb_pending(void);
  25 
  26 #define tlb_start_vma(tlb, vma) do { } while (0)
  27 #define tlb_end_vma(tlb, vma)   do { } while (0)
  28 #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
  29 #define tlb_flush(tlb)  flush_tlb_pending()
  30 
  31 /*
  32  * SPARC64's hardware TLB fill does not use the Linux page-tables
  33  * and therefore we don't need a TLBI when freeing page-table pages.
  34  */
  35 
  36 #ifdef CONFIG_HAVE_RCU_TABLE_FREE
  37 #define tlb_needs_table_invalidate()    (false)
  38 #endif
  39 
  40 #include <asm-generic/tlb.h>
  41 
  42 #endif /* _SPARC64_TLB_H */