On Mon, 3 May 2021 21:18:22 +1000, Nicholas Piggin wrote:
PowerVM will not arbitrarily oversubscribe or stop guests, page out the
guest kernel text to a NFS volume connected by carrier pigeon to abacus
based storage, etc., as a KVM host might. So PowerVM guests are not
likely to be killed by the hard lockup watchdog in normal operation,
even with shared processor LPARs which still get a minimum allotment of
CPU time.
[...]
Applied to powerpc/next.
[1/1] powerpc/pseries: Enable hardlockup watchdog for PowerVM partitions
https://git.kernel.org/powerpc/c/633c8e9800f3884a26b2af59be8ce27696ad6ebf
cheers