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asm
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tlbflush.h

tlbflush.h 1.8 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
    4. 

  4.  */
    5. 

  5. #ifndef __ASM_TLBFLUSH_H
    6. 

  6. #define __ASM_TLBFLUSH_H
    7. 

  7. 

  8. #include <linux/mm.h>
    9. 

  9. 

  10. /*
    11. 

  11.  * TLB flushing:
    12. 

  12.  *
    13. 

  13.  *  - flush_tlb_all() flushes all processes TLB entries
    14. 

  14.  *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
    15. 

  15.  *  - flush_tlb_page(vma, vmaddr) flushes one page
    16. 

  16.  *  - flush_tlb_range(vma, start, end) flushes a range of pages
    17. 

  17.  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
    18. 

  18.  */
    19. 

  19. extern void local_flush_tlb_all(void);
    20. 

  20. extern void local_flush_tlb_user(void);
    21. 

  21. extern void local_flush_tlb_kernel(void);
    22. 

  22. extern void local_flush_tlb_mm(struct mm_struct *mm);
    23. 

  23. extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
    24. 

  24. extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
    25. 

  25. extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
    26. 

  26. extern void local_flush_tlb_one(unsigned long vaddr);
    27. 

  27. 

  28. #ifdef CONFIG_SMP
    29. 

  29. 

  30. extern void flush_tlb_all(void);
    31. 

  31. extern void flush_tlb_mm(struct mm_struct *);
    32. 

  32. extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, unsigned long);
    33. 

  33. extern void flush_tlb_kernel_range(unsigned long, unsigned long);
    34. 

  34. extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
    35. 

  35. extern void flush_tlb_one(unsigned long vaddr);
    36. 

  36. 

  37. #else /* CONFIG_SMP */
    38. 

  38. 

  39. #define flush_tlb_all()			local_flush_tlb_all()
    40. 

  40. #define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
    41. 

  41. #define flush_tlb_range(vma, vmaddr, end)	local_flush_tlb_range(vma, vmaddr, end)
    42. 

  42. #define flush_tlb_kernel_range(vmaddr, end)	local_flush_tlb_kernel_range(vmaddr, end)
    43. 

  43. #define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page)
    44. 

  44. #define flush_tlb_one(vaddr)		local_flush_tlb_one(vaddr)
    45. 

  45. 

  46. #endif /* CONFIG_SMP */
    47. 

  47. 

  48. #endif /* __ASM_TLBFLUSH_H */
    49.