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05cdf45747
This configuration is obsolete and likely none is really using it. That's why remove it to simplify code. Note about CONFIG_MMU in hw_exception_handler.S is left intentionally for better comment understanding. Cc: Mike Rapoport <rppt@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/43486cab370e0c0a79860120b71e0caac75a7e44.1606397528.git.michal.simek@xilinx.com
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
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* Copyright (C) 2008-2009 PetaLogix
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* Copyright (C) 2006 Atmark Techno, Inc.
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*/
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#ifndef _ASM_MICROBLAZE_TLBFLUSH_H
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#define _ASM_MICROBLAZE_TLBFLUSH_H
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#include <linux/sched.h>
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#include <linux/threads.h>
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#include <asm/processor.h> /* For TASK_SIZE */
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#include <asm/mmu.h>
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#include <asm/page.h>
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extern void _tlbie(unsigned long address);
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extern void _tlbia(void);
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#define __tlbia() { preempt_disable(); _tlbia(); preempt_enable(); }
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#define __tlbie(x) { _tlbie(x); }
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static inline void local_flush_tlb_all(void)
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{ __tlbia(); }
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static inline void local_flush_tlb_mm(struct mm_struct *mm)
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{ __tlbia(); }
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static inline void local_flush_tlb_page(struct vm_area_struct *vma,
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unsigned long vmaddr)
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{ __tlbie(vmaddr); }
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static inline void local_flush_tlb_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end)
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{ __tlbia(); }
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#define flush_tlb_kernel_range(start, end) do { } while (0)
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#define update_mmu_cache(vma, addr, ptep) do { } while (0)
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#define flush_tlb_all local_flush_tlb_all
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#define flush_tlb_mm local_flush_tlb_mm
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#define flush_tlb_page local_flush_tlb_page
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#define flush_tlb_range local_flush_tlb_range
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/*
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* This is called in munmap when we have freed up some page-table
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* pages. We don't need to do anything here, there's nothing special
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* about our page-table pages. -- paulus
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*/
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static inline void flush_tlb_pgtables(struct mm_struct *mm,
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unsigned long start, unsigned long end) { }
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#endif /* _ASM_MICROBLAZE_TLBFLUSH_H */
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