diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu_radix.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_radix.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index 777aa5625d5f..22a677b18695 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -161,7 +161,9 @@ int kvmppc_mmu_walk_radix_tree(struct kvm_vcpu *vcpu, gva_t eaddr, return -EINVAL; /* Read the entry from guest memory */ addr = base + (index * sizeof(rpte)); + vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); ret = kvm_read_guest(kvm, addr, &rpte, sizeof(rpte)); + srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); if (ret) { if (pte_ret_p) *pte_ret_p = addr; @@ -237,7 +239,9 @@ int kvmppc_mmu_radix_translate_table(struct kvm_vcpu *vcpu, gva_t eaddr, /* Read the table to find the root of the radix tree */ ptbl = (table & PRTB_MASK) + (table_index * sizeof(entry)); + vcpu->srcu_idx = srcu_read_lock(&kvm->srcu); ret = kvm_read_guest(kvm, ptbl, &entry, sizeof(entry)); + srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx); if (ret) return ret; |