Patch "KVM: s390: consider epoch index on hotplugged CPUs" has been added to the 4.15-stable tree

[<gregkh@linuxfoundation.org>]

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 4.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     kvm-s390-consider-epoch-index-on-hotplugged-cpus.patch
and it can be found in the queue-4.15 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
@@ -2359,6 +2359,7 @@ 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-4.15/kvm-s390-take-care-of-clock-comparator-sign-control.patch
queue-4.15/kvm-s390-provide-only-a-single-function-for-setting-the-tod-fix-sck.patch
queue-4.15/kvm-s390-consider-epoch-index-on-tod-clock-syncs.patch
queue-4.15/kvm-s390-consider-epoch-index-on-hotplugged-cpus.patch