** Changed in: ubuntu-z-systems
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1799184
Title:
[18.04 FEAT] zcrypt DD: introduce APQN tags to support deterministic
driver binding
Status in Ubuntu on IBM z Systems:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
In Progress
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.
This function has to be applied to kernel 4.15 for Ubuntu 18.04,
Git Commit information available here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1784331
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