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Diffstat (limited to 'arch/riscv/mm/fault.c')
-rw-r--r--arch/riscv/mm/fault.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 460f785f6e09..d5f3e501dffb 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -143,6 +143,8 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a
no_context(regs, addr);
return;
}
+ if (pud_leaf(*pud_k))
+ goto flush_tlb;
/*
* Since the vmalloc area is global, it is unnecessary
@@ -153,6 +155,8 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a
no_context(regs, addr);
return;
}
+ if (pmd_leaf(*pmd_k))
+ goto flush_tlb;
/*
* Make sure the actual PTE exists as well to
@@ -172,6 +176,7 @@ static inline void vmalloc_fault(struct pt_regs *regs, int code, unsigned long a
* ordering constraint, not a cache flush; it is
* necessary even after writing invalid entries.
*/
+flush_tlb:
local_flush_tlb_page(addr);
}