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-rw-r--r--arch/powerpc/kvm/book3s_rtas.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_rtas.c b/arch/powerpc/kvm/book3s_rtas.c
index 26b25994c969..c5e677508d3b 100644
--- a/arch/powerpc/kvm/book3s_rtas.c
+++ b/arch/powerpc/kvm/book3s_rtas.c
@@ -229,7 +229,9 @@ int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu)
*/
args_phys = kvmppc_get_gpr(vcpu, 4) & KVM_PAM;
+ vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
rc = kvm_read_guest(vcpu->kvm, args_phys, &args, sizeof(args));
+ srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
if (rc)
goto fail;