arch/sparc/include/asm/tlb_64.h

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