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kvm/s390: drop unpaired smp_mb

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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 <mst@redhat.com>
Message-Id: <1452010811-25486-1-git-send-email-mst@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2016-01-05 18:20:24 +02:00 committed by Christian Borntraeger
parent da3f7ca3e8
commit c57ee5faf4
1 changed files with 0 additions and 1 deletions
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1
arch/s390/kvm/kvm-s390.c
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@ -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);