This topic was today also discussed here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1841488/comments/5
With this ticket opened against disco (still in service, compared to LP 1841488
which is about cosmic, that's no longer in service) I suggest that we close LP
1841488 (set to Invalid) and work on these patches based on this ticket (LP
1841984).
Nevertheless, the disco master-next tree already includes all patches
(they probably came is via a stable upstream release update):
$ git log --oneline | grep -m 1 "fix copy-paste error in CTR mode"
6cef65e crypto: vmx - fix copy-paste error in CTR mode
$ git log --oneline | grep -m 1 "always increment IV as quadword"
b5df7b3 crypto: vmx - CTR: always increment IV as quadword
$ git log --oneline | grep -m 1 "do nosimd fallback manually"
c438f2b crypto: vmx - ghash: do nosimd fallback manually
(
$ git log --oneline | grep -m 1 "Add support for VMS instructions by ASM"
5c380d6 crypto: vmx - Add support for VMS instructions by ASM
)
(Notice that disco master-next ID hashes might be different to upstream
hashes)
Hence this is already in progress and I suggest that we just wait for
the next and upcoming disco/19.10 kernel to land in proposed, test the
proposed kernel to be sure that these commit IDs really solve the
problem, and close this LP once the kernel got rolled out to the main
pocket.
** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-power-systems
Status: New => In Progress
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: ubuntu-power-systems
Importance: Undecided => High
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => Frank Heimes (frank-heimes)
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https://bugs.launchpad.net/bugs/1841984
Title:
[Backport] Crypto VMX Fixes
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