On Wed, Jan 03, 2024 at 02:22:23PM -0800, Paul E. McKenney wrote: > I was > therefore forced to bisect among the commits backported to the internal > v5.19-based kernel, which fingered the backported version of the patch > called out above. Just to add some context to these backport, this commit (c59a1f106f5c) was backported to the internal v5.19-based kernel in order to easily backport these two fixes. a16eb25b09c02a54c ("KVM: x86: Mask LVTPC when handling a PMI") 73554b29bd70546c1 ("KVM: x86/pmu: Synthesize at most one PMI per VM-exit") They are required to solve the softlockup problem reported here: https://lore.kernel.org/all/ZRwcpki67uhpAUKi@xxxxxxxxx/