Comment 0 for bug 1800867

With the introduction of KVM crypto virtualization the driver bound to an AP queue device is no longer unique determined.
This feature provides a deterministic hot plugging semantics of AP queues that may be bound to multiple drivers.
In particular it enables to configure an AP queue (APQN) as being bound to a particular driver even if the associate HW gets intermittently lost and reconnected.

s390-tools part.
Backport from 2.7.0 to 2.6.0
Git commit: for s390-tools 2.7.0

https://github.com/ibm-s390-tools/s390-tools/commit/0a0b4c382693cded5652404e8fa2c0e483aa33df

lszcrypt: support for alternate zcrypt device drivers

It needs to be applied to 2.6.0 for Ubuntu 18.10, which will apply seamlessly