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riscv: fix build error when CONFIG_SMP is disabled

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Fix build error when disable CONFIG_SMP:
mm/pgtable-generic.o: In function `.L19':
pgtable-generic.c:(.text+0x42): undefined reference to `flush_pmd_tlb_range'
mm/pgtable-generic.o: In function `pmdp_huge_clear_flush':
pgtable-generic.c:(.text+0x6c): undefined reference to `flush_pmd_tlb_range'
mm/pgtable-generic.o: In function `pmdp_invalidate':
pgtable-generic.c:(.text+0x162): undefined reference to `flush_pmd_tlb_range'

Fixes: e88b333142 ("riscv: mm: add THP support on 64-bit")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Bixuan Cui <cuibixuan@huawei.com>
Acked-by: Nanyong Sun <sunnanyong@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Bixuan Cui 2021-05-29 16:06:57 +08:00 • committed by Palmer Dabbelt
parent cba43c31f1
commit ff76e3d7c3
No known key found for this signature in database
GPG key ID: 2E1319F35FBB1889
2 changed files with 5 additions and 5 deletions
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5
arch/riscv/include/asm/pgtable.h
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@ -623,11 +623,6 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
{ {
return __pmd(atomic_long_xchg((atomic_long_t *)pmdp, pmd_val(pmd))); return __pmd(atomic_long_xchg((atomic_long_t *)pmdp, pmd_val(pmd)));
} }
#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
/* /*

5
arch/riscv/include/asm/tlbflush.h
View file

@ -33,6 +33,11 @@ void flush_tlb_mm(struct mm_struct *mm);
void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr); void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr);
void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end); unsigned long end);
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end);
#endif
#else /* CONFIG_SMP && CONFIG_MMU */ #else /* CONFIG_SMP && CONFIG_MMU */
#define flush_tlb_all() local_flush_tlb_all() #define flush_tlb_all() local_flush_tlb_all()