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authorDavid Hildenbrand <david@redhat.com>2018-02-07 12:46:44 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2018-02-20 20:50:51 +0000
commitd16b52cb9cdb6f06dea8ab2f0a428e7d7f0b0a81 (patch)
tree14ce22a50cdab5ca74d6361464de5becadd0fd99 /arch/s390
parent5fe01793dd953ab947fababe8abaf5ed5258c8df (diff)
downloadlinux-d16b52cb9cdb6f06dea8ab2f0a428e7d7f0b0a81.tar.bz2
KVM: s390: consider epoch index on hotplugged CPUs
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>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/kvm-s390.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ba4c7092335a..5b7fe80cda56 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2389,6 +2389,7 @@ 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)) {