On Mon, 25 Sep 2023 17:34:45 +0000, Mingwei Zhang wrote:
> When we do stress test on KVM vPMU using Intel vtune, we find the following
> warning kernel message in the guest VM:
>
> [ 1437.487320] Uhhuh. NMI received for unknown reason 20 on CPU 3.
> [ 1437.487330] Dazed and confused, but trying to continue
>
> The Problem
> ===========
>
> [...]
Applied to kvm-x86 pmu, with the order swapped and a bit of changelog massaging.
Thanks!
[1/2] KVM: x86: Mask LVTPC when handling a PMI
https://github.com/kvm-x86/linux/commit/a16eb25b09c0
[2/2] KVM: x86/pmu: Synthesize at most one PMI per VM-exit
https://github.com/kvm-x86/linux/commit/73554b29bd70
--
https://github.com/kvm-x86/linux/tree/next
