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https://github.com/edk2-porting/linux-next.git
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c511eaaa78
linux-next for 4.6-rc1 timeline reported ARC build failures !THP
| arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default]
| arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default]
| arch/arc/include/asm/tlbflush.h:29:0: warning: "flush_pmd_tlb_range" redefined [enabled by default]
Turns out that commit ("mm/thp/migration: switch from flush_tlb_range
to flush_pmd_tlb_range") triggered the issue while the problem was in
ARC code where THP specific helpers were not guarded with #ifdef.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARC_TLBFLUSH__
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#define __ASM_ARC_TLBFLUSH__
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#include <linux/mm.h>
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void local_flush_tlb_all(void);
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void local_flush_tlb_mm(struct mm_struct *mm);
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void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
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void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
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void local_flush_tlb_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end);
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#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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void local_flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end);
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#endif
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#ifndef CONFIG_SMP
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#define flush_tlb_range(vma, s, e) local_flush_tlb_range(vma, s, e)
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#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page)
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#define flush_tlb_kernel_range(s, e) local_flush_tlb_kernel_range(s, e)
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#define flush_tlb_all() local_flush_tlb_all()
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#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
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#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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#define flush_pmd_tlb_range(vma, s, e) local_flush_pmd_tlb_range(vma, s, e)
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#endif
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#else
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extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end);
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extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
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extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
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extern void flush_tlb_all(void);
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extern void flush_tlb_mm(struct mm_struct *mm);
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#ifdef CONFIG_TRANSPARENT_HUGEPAGE
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extern void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
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#endif
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#endif /* CONFIG_SMP */
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#endif
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