From c57ee5faf4503b0cd586c3af663262a3d5599fc1 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Tue, 5 Jan 2016 18:20:24 +0200 Subject: [PATCH] kvm/s390: drop unpaired smp_mb smp_mb on vcpu destroy isn't paired with anything, violating pairing rules, and seems to be useless. Drop it. Signed-off-by: Michael S. Tsirkin Message-Id: <1452010811-25486-1-git-send-email-mst@redhat.com> Signed-off-by: Christian Borntraeger --- arch/s390/kvm/kvm-s390.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 940e9ff231a3..9f8eea3e2987 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1221,7 +1221,6 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) kvm_clear_async_pf_completion_queue(vcpu); if (!kvm_is_ucontrol(vcpu->kvm)) sca_del_vcpu(vcpu); - smp_mb(); if (kvm_is_ucontrol(vcpu->kvm)) gmap_free(vcpu->arch.gmap);