On Fri, Jun 07, 2013 at 10:24:50AM +0800, [email protected] wrote: > >Before the commit you originally quoted, the calling thread could be > preempted and migrated to another CPU before get_online_cpus() thus > ending up executing the function twice on the new cpu but skipping the > old one. > > does this situation will happen in "Full preemption" config, on 3.0.30-rt50?
Sure, if the fix hasn't been backported. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
