c7bd8010a3
If __tlb_remove_tlb_entry() is not defined by the architecture then we provide an empty definition in asm-generic/tlb.h. Remove the redundant empty definitions for sparc64 and x86. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Yu Zhao <yuzhao@google.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lkml.kernel.org/r/20210127235347.1402-6-will@kernel.org
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _SPARC64_TLB_H
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#define _SPARC64_TLB_H
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#include <linux/swap.h>
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#include <linux/pagemap.h>
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#include <asm/tlbflush.h>
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#include <asm/mmu_context.h>
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#ifdef CONFIG_SMP
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void smp_flush_tlb_pending(struct mm_struct *,
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unsigned long, unsigned long *);
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#endif
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#ifdef CONFIG_SMP
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void smp_flush_tlb_mm(struct mm_struct *mm);
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#define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm)
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#else
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#define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT)
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#endif
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void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *);
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void flush_tlb_pending(void);
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#define tlb_start_vma(tlb, vma) do { } while (0)
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#define tlb_end_vma(tlb, vma) do { } while (0)
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#define tlb_flush(tlb) flush_tlb_pending()
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/*
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* SPARC64's hardware TLB fill does not use the Linux page-tables
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* and therefore we don't need a TLBI when freeing page-table pages.
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*/
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#ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE
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#define tlb_needs_table_invalidate() (false)
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#endif
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#include <asm-generic/tlb.h>
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#endif /* _SPARC64_TLB_H */
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