** Changed in: linux-gcp (Ubuntu Jammy)
Assignee: (unassigned) => Khaled El Mously (kmously)
** Changed in: linux-gcp (Ubuntu Jammy)
Importance: Undecided => Critical
** Changed in: linux-gcp (Ubuntu Jammy)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2001605
Title:
Add support for SEV-SNP
Status in linux-gcp package in Ubuntu:
New
Status in linux-gcp source package in Jammy:
Fix Committed
Bug description:
Version 3 of AMD's Secure Encrypted Virtualization is called SNP
(Secure Nested Pages). Support for this has been added to the kernel,
mostly in v5.19 with some prerequisites from v5.16. This feature is
requested to be backported to Jammy (5.15).
More information at
https://canonical.lightning.force.com/lightning/r/Case/5004K00000EA2meQAD/view
[Impact]
No support for SEV-SNP on AMD EPYC2 CPUs currently
[Fix]
Add SEV-SNP support patches.
[Test]
Extensive testing by the cloud team over several months, testing general
functionality under SEV-SNP.
[Regression Potential]
This was never working so there should be no risk of regression for
SEV-SNP.As it does change those files it can have an effect on existing SEV
functionality in case of a bug. The code is limited so no regression outside of
SEV is expected.
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