diff options
Diffstat (limited to 'arch/loongarch/kvm/mmu.c')
| -rw-r--r-- | arch/loongarch/kvm/mmu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/loongarch/kvm/mmu.c b/arch/loongarch/kvm/mmu.c index 5fa8e3b36121..f1ed1c5296cf 100644 --- a/arch/loongarch/kvm/mmu.c +++ b/arch/loongarch/kvm/mmu.c @@ -163,6 +163,7 @@ static kvm_pte_t *kvm_populate_gpa(struct kvm *kvm, child = kvm_mmu_memory_cache_alloc(cache); _kvm_pte_init(child, ctx.invalid_ptes[ctx.level - 1]); + smp_wmb(); /* Make pte visible before pmd */ kvm_set_pte(entry, __pa(child)); } else if (kvm_pte_huge(*entry)) { return entry; @@ -746,6 +747,7 @@ static kvm_pte_t *kvm_split_huge(struct kvm_vcpu *vcpu, kvm_pte_t *ptep, gfn_t g val += PAGE_SIZE; } + smp_wmb(); /* Make pte visible before pmd */ /* The later kvm_flush_tlb_gpa() will flush hugepage tlb */ kvm_set_pte(ptep, __pa(child)); |