** Changed in: ubuntu-z-systems
Status: Fix Released => Fix Committed
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https://bugs.launchpad.net/bugs/1784331
Title:
[18.10 FEAT] zcrypt DD: introduce APQN tags to support deterministic
driver binding
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Bug description:
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.
Is planned as part of kernel 4.19. Therefore a backport to kernel 4.18
will be required.
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