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/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2008-2009 Michal Simek <[email protected]> * Copyright (C) 2008-2009 PetaLogix * Copyright (C) 2006 Atmark Techno, Inc. */ #ifndef _ASM_MICROBLAZE_TLBFLUSH_H #define _ASM_MICROBLAZE_TLBFLUSH_H #include <linux/sched.h> #include <linux/threads.h> #include <asm/processor.h> /* For TASK_SIZE */ #include <asm/mmu.h> #include <asm/page.h> extern void _tlbie(unsigned long address); extern void _tlbia(void); #define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); } #define __tlbie(x) { _tlbie(x); } static inline void local_flush_tlb_all(void) { __tlbia(); } static inline void local_flush_tlb_mm(struct mm_struct *mm) { __tlbia(); } static inline void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { __tlbie(vmaddr); } static inline void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { __tlbia(); } #define flush_tlb_kernel_range(start, end) do { } while (0) #define update_mmu_cache(vma, addr, ptep) do { } while (0) #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 /* * This is called in munmap when we have freed up some page-table * pages. We don't need to do anything here, there's nothing special * about our page-table pages. -- paulus */ static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) { } #endif /* _ASM_MICROBLAZE_TLBFLUSH_H */