/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC Linux * * Linux architectural port borrowing liberally from similar works of * others. All original copyrights apply as per the original source * declaration. * * OpenRISC implementation: * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * et al. */ #ifndef __ASM_OPENRISC_TLBFLUSH_H #define __ASM_OPENRISC_TLBFLUSH_H #include <linux/mm.h> #include <asm/processor.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/current.h> #include <linux/sched.h> /* * - flush_tlb() flushes the current mm struct TLBs * - flush_tlb_all() flushes all processes TLBs * - flush_tlb_mm(mm) flushes the specified mm context TLB's * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(mm, start, end) flushes a range of pages */ extern void local_flush_tlb_all(void); extern void local_flush_tlb_mm(struct mm_struct *mm); extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); #ifndef [31mCONFIG_SMP[0m #define flush_tlb_all local_flush_tlb_all #define flush_tlb_mm local_flush_tlb_mm #define flush_tlb_page local_flush_tlb_page #define flush_tlb_range local_flush_tlb_range #else extern void flush_tlb_all(void); extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); #endif static inline void flush_tlb(void) { flush_tlb_mm(current->mm); } static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end) { flush_tlb_range(NULL, start, end); } #endif /* __ASM_OPENRISC_TLBFLUSH_H */ |