Hello Janosch,
many thanks for the patch set!
I'm just back and will work on this soon-ish.
But just to clarify, are these all plain cherry-picks from upstream - or did
you had to do any real backport work to get some of the commits applied to the
jammy kernel (I mean if any real modifications of code or context were needed)?
I just need to add this to the PR/provenance - for our kernel team.
I could of course also compare the patches you've sent with what exists
upstream, but I think you know it right away ...
(Of course talking about the kernel patches/commits only.)
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => Frank Heimes (fheimes)
** Changed in: linux (Ubuntu Jammy)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1959940
Title:
[22.10 FEAT] KVM: Secure Execution guest dump encryption with customer
keys - kernel part
Status in Ubuntu on IBM z Systems:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Jammy:
Triaged
Bug description:
KVM: Secure Execution guest dump encryption with customer keys -
kernel part
Description:
Hypervisor-initiated dumps for Secure Execution guests are not helpful
because memory and CPU state is encrypted by a transient key only available to
the Ultravisor. Workload owners can still configure kdump in order to obtain
kernel crash infomation, but there are situation where kdump doesn't work. In
such situations problem determination is severely impeded. This feature will
implement dumps created in a way that can only be decrypted by the owner of the
guest image and be used for problem determination.
Request Type: Kernel - Enhancement from IBM
Upstream Acceptance: In Progress
Code Contribution: IBM code
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