On Wed, 2010-06-09 at 12:41 +0300, Avi Kivity wrote: > > >> Disabling the watchdog is unfortunate. Why is it necessary? > >> > > perf always uses NMI, so we disable the nmi_watchdog when a perf_event is > > set up in case they might have impact. > > > > Ok. Is that the case for the hardware pmus as well? If so it might be > done in common code. The x86 hardware pmu implementation disables the lapic watchdog too, but recent kernels come with a watchdog implementation on top of perf, the old lapic one will be depricated. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
