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| author | David Hildenbrand <david@redhat.com> | 2018-02-07 14:46:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-09 09:41:21 +0300 |
| commit | dbab3751bcc7f37cff464a4844133221b304d8a8 (patch) | |
| tree | 70a4421034bc9adf114d2c7c28ac167adfbc2b09 /arch/s390/kvm | |
| parent | 58a5d1ac69a72f6452ee16612c897f4f017c9c03 (diff) | |
| download | linux-dbab3751bcc7f37cff464a4844133221b304d8a8.tar.xz | |
KVM: s390: consider epoch index on hotplugged CPUs
commit d16b52cb9cdb6f06dea8ab2f0a428e7d7f0b0a81 upstream.
We must copy both, the epoch and the epoch_idx.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180207114647.6220-4-david@redhat.com>
Fixes: 8fa1696ea781 ("KVM: s390: Multiple Epoch Facility support")
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Fixes: 8fa1696ea781 ("KVM: s390: Multiple Epoch Facility support")
Cc: stable@vger.kernel.org
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 4ce5eea776aa..085e73af5610 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2357,6 +2357,7 @@ void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) mutex_lock(&vcpu->kvm->lock); preempt_disable(); vcpu->arch.sie_block->epoch = vcpu->kvm->arch.epoch; + vcpu->arch.sie_block->epdx = vcpu->kvm->arch.epdx; preempt_enable(); mutex_unlock(&vcpu->kvm->lock); if (!kvm_is_ucontrol(vcpu->kvm)) { |