On Fri, 2011-09-02 at 12:29 -0700, Jeremy Fitzhardinge wrote: > > > I know that its generally considered bad form, but there's at least one > > spinlock that's only taken from NMI context and thus hasn't got any > > deadlock potential. > > Which one? arch/x86/kernel/traps.c:nmi_reason_lock It serializes NMI access to the NMI reason port across CPUs. -- 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