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authorJames Morris <james.l.morris@oracle.com>2014-01-06 22:23:01 +1100
committerJames Morris <james.l.morris@oracle.com>2014-01-06 22:23:01 +1100
commit38fd2c202a3d82bc12430bce5789fa2c2a406f71 (patch)
treea73513dbb015155f5236b391709b9083916b3136 /arch/s390/kvm/diag.c
parentdcf4e392867bf98d50ad108ed7c2bfb941e8c33d (diff)
parentd6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff)
Merge to v3.13-rc7 for prerequisite changes in the Xen code for TPM
Diffstat (limited to 'arch/s390/kvm/diag.c')
-rw-r--r--arch/s390/kvm/diag.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 3a74d8af0d6..78d967f180f 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -107,14 +107,13 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu)
static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu)
{
- int ret, idx;
+ int ret;
/* No virtio-ccw notification? Get out quickly. */
if (!vcpu->kvm->arch.css_support ||
(vcpu->run->s.regs.gprs[1] != KVM_S390_VIRTIO_CCW_NOTIFY))
return -EOPNOTSUPP;
- idx = srcu_read_lock(&vcpu->kvm->srcu);
/*
* The layout is as follows:
* - gpr 2 contains the subchannel id (passed as addr)
@@ -125,7 +124,6 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu)
vcpu->run->s.regs.gprs[2],
8, &vcpu->run->s.regs.gprs[3],
vcpu->run->s.regs.gprs[4]);
- srcu_read_unlock(&vcpu->kvm->srcu, idx);
/*
* Return cookie in gpr 2, but don't overwrite the register if the