On Mon, Jan 25, 2021 at 04:26:22PM +0800, Like Xu wrote: > In the host and guest PEBS both enabled case, > we'll get a crazy dmesg *bombing* about spurious PMI warning > if we pass the host PEBS PMI "harmlessly" to the guest: > > [11261.502536] Uhhuh. NMI received for unknown reason 2c on CPU 36. > [11261.502539] Do you have a strange power saving mode enabled? > [11261.502541] Dazed and confused, but trying to continue How? AFAICT handle_pmi_common() will increment handled when GLOBAL_STATUS_BUFFER_OVF_BIT is set, irrespective of DS containing data.
