Comment 3 for bug 1962578

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Frank Heimes (fheimes) wrote : Re: [UBUNTU 20.04] Fix SIGP processing (KVM: s390)

To avoid any regressions after upgrades, it's needed that Impish/21.10 is patched, too.
(SIGP fix is already addressed for jammy in LP#/1959735)

I just check the impish master-next tree and the situation is the same like on focal.
Just the following two need to be added to focal and impish:
67cf68b6a5cc KVM: s390: Add a routine for setting userspace CPU state
8eeba194a32e KVM: s390: Simplify SIGP Set Arch handling