projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 61e85e36 JB |
2 | /* |
| 3 | * OpenRISC Linux | |
| 4 | * | |
| 5 | * Linux architectural port borrowing liberally from similar works of | |
| 6 | * others. All original copyrights apply as per the original source | |
| 7 | * declaration. | |
| 8 | * | |
| 9 | * OpenRISC implementation: | |
| 10 | * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> | |
| 11 | * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
| 12 | * et al. | |
| 61e85e36 JB |
13 | */ |
| 14 | ||
| 15 | #ifndef __ASM_OPENRISC_TLBFLUSH_H | |
| 16 | #define __ASM_OPENRISC_TLBFLUSH_H | |
| 17 | ||
| 18 | #include <linux/mm.h> | |
| 19 | #include <asm/processor.h> | |
| 20 | #include <asm/pgtable.h> | |
| 21 | #include <asm/pgalloc.h> | |
| 22 | #include <asm/current.h> | |
| 23 | #include <linux/sched.h> | |
| 24 | ||
| 25 | /* | |
| 26 | * - flush_tlb() flushes the current mm struct TLBs | |
| 27 | * - flush_tlb_all() flushes all processes TLBs | |
| 28 | * - flush_tlb_mm(mm) flushes the specified mm context TLB's | |
| 29 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
| 30 | * - flush_tlb_range(mm, start, end) flushes a range of pages | |
| 31 | */ | |
| 8e6d08e0 SK |
32 | extern void local_flush_tlb_all(void); |
| 33 | extern void local_flush_tlb_mm(struct mm_struct *mm); | |
| 34 | extern void local_flush_tlb_page(struct vm_area_struct *vma, | |
| 35 | unsigned long addr); | |
| 36 | extern void local_flush_tlb_range(struct vm_area_struct *vma, | |
| 37 | unsigned long start, | |
| 38 | unsigned long end); | |
| 61e85e36 | 39 | |
| 8e6d08e0 SK |
40 | #ifndef CONFIG_SMP |
| 41 | #define flush_tlb_all local_flush_tlb_all | |
| 42 | #define flush_tlb_mm local_flush_tlb_mm | |
| 43 | #define flush_tlb_page local_flush_tlb_page | |
| 44 | #define flush_tlb_range local_flush_tlb_range | |
| 45 | #else | |
| 46 | extern void flush_tlb_all(void); | |
| 47 | extern void flush_tlb_mm(struct mm_struct *mm); | |
| 48 | extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); | |
| 49 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, | |
| 50 | unsigned long end); | |
| 51 | #endif | |
| 61e85e36 JB |
52 | |
| 53 | static inline void flush_tlb(void) | |
| 54 | { | |
| 55 | flush_tlb_mm(current->mm); | |
| 56 | } | |
| 57 | ||
| 58 | static inline void flush_tlb_kernel_range(unsigned long start, | |
| 59 | unsigned long end) | |
| 60 | { | |
| 61 | flush_tlb_range(NULL, start, end); | |
| 62 | } | |
| 63 | ||
| 64 | #endif /* __ASM_OPENRISC_TLBFLUSH_H */ |