diff options
Diffstat (limited to 'kernel/arch/openrisc/include/asm/tlbflush.h')
| -rw-r--r-- | kernel/arch/openrisc/include/asm/tlbflush.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/kernel/arch/openrisc/include/asm/tlbflush.h b/kernel/arch/openrisc/include/asm/tlbflush.h new file mode 100644 index 000000000..6a2accd6c --- /dev/null +++ b/kernel/arch/openrisc/include/asm/tlbflush.h @@ -0,0 +1,55 @@ +/* + * 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. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#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 + */ + +void flush_tlb_all(void); +void flush_tlb_mm(struct mm_struct *mm); +void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); +void flush_tlb_range(struct vm_area_struct *vma, + unsigned long start, + unsigned long end); + +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 */ |