KVM: s390: take care of clock-comparator sign control

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commit 5fe01793dd upstream.

Missed when enabling the Multiple-epoch facility. If the facility is
installed and the control is set, a sign based comaprison has to be
performed.

Right now we would inject wrong interrupts and ignore interrupt
conditions. Also the sleep time is calculated in a wrong way.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180207114647.6220-2-david@redhat.com>
Fixes: 8fa1696ea7 ("KVM: s390: Multiple Epoch Facility support")
Cc: stable@vger.kernel.org
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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David Hildenbrand 2018-02-07 12:46:42 +01:00 • committed by Greg Kroah-Hartman

parent bd3ead4576

commit c09ea9a8da

1 changed files with 19 additions and 6 deletions

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arch/s390/kvm/interrupt.c

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