On Fri, 4 Jan 2008, Gautham R Shenoy wrote: > | > |--> rcu_trace_boost_unboost_called(RCU_BOOST_ME) > > > where RCU_BOOST_ME is #defined as &__get_cpu_var(rcu_boost_data). > > Is calling __get_cpu_var() safe in this context, since we've already > enabled the local interrupts and we're not in a preempt_disabled() ? Probably not, but the worst that can happen is that we corrupt the trace counter, and miss an increment. I'll see if I can fix that, but it should be quite harmless wrt the stability of the system. Thanks for pointing that out. -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html