Upstream commit 7119decf47d9 "KVM: s390: Enable specification exception
interpretation" landed in impish master-next as 14ba5a8c6744 and is part of
Ubuntu-5.13.0-18.18:
https://launchpad.net/ubuntu/+source/linux/5.13.0-18.18
And since 5.13.0-18.18 just landed in -proposed:
linux | 5.13.0-18.18 | impish-proposed | source
I'm updating this ticket to Fix Committed.
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Committed
** Changed in: ubuntu-z-systems
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1932157
Title:
[21.10 FEAT] KVM: Use interpretation of specification exceptions
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Committed
Bug description:
This allows KVM to let SIE interpret specification exceptions instead
of doing this itself, leading to performance improvements.
This feature will be made available with kernel >=5.15
A backport will be provided once available.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1932157/+subscriptions
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