This is a note to let you know that I've just added the patch titled

KVM: s390: consider epoch index on hotplugged CPUs

to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: kvm-s390-consider-epoch-index-on-hotplugged-cpus.patch and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From d16b52cb9cdb6f06dea8ab2f0a428e7d7f0b0a81 Mon Sep 17 00:00:00 2001

From: David Hildenbrand david@redhat.com Date: Wed, 7 Feb 2018 12:46:44 +0100 Subject: KVM: s390: consider epoch index on hotplugged CPUs

From: David Hildenbrand david@redhat.com

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

--- arch/s390/kvm/kvm-s390.c | 1 + 1 file changed, 1 insertion(+)

--- 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 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)) {

Patches currently in stable-queue which might be from david@redhat.com are

queue-4.14/kvm-s390-take-care-of-clock-comparator-sign-control.patch queue-4.14/kvm-s390-provide-only-a-single-function-for-setting-the-tod-fix-sck.patch queue-4.14/kvm-s390-consider-epoch-index-on-tod-clock-syncs.patch queue-4.14/kvm-s390-consider-epoch-index-on-hotplugged-cpus.patch