I did a quick bisect yesterday after noticing that my VMs started
to take 100% cpu time.
Looks like we don't ignore SIPIs that are received while the CPU isn't
waiting for them, and that makes KVM think that CPU always has
pending events which makes it never enter an idle state.
Best regards,
Maxim Levitsky
Maxim Levitsky (1):
KVM: x86: ignore SIPIs that are received while not in wait-for-sipi
state
arch/x86/kvm/lapic.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
--
2.26.2
