Commit 28c6fbc3 authored by Will Deacon's avatar Will Deacon Committed by Catalin Marinas

arm64: tlb: remove redundant barrier from __flush_tlb_pgtable

__flush_tlb_pgtable is used to invalidate intermediate page table
entries after they have been cleared and are about to be freed. Since
pXd_clear imply memory barriers, we don't need the extra one here.
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 38d96287
...@@ -163,7 +163,6 @@ static inline void __flush_tlb_pgtable(struct mm_struct *mm, ...@@ -163,7 +163,6 @@ static inline void __flush_tlb_pgtable(struct mm_struct *mm,
{ {
unsigned long addr = uaddr >> 12 | (ASID(mm) << 48); unsigned long addr = uaddr >> 12 | (ASID(mm) << 48);
dsb(ishst);
asm("tlbi vae1is, %0" : : "r" (addr)); asm("tlbi vae1is, %0" : : "r" (addr));
dsb(ish); dsb(ish);
} }
......
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