On 23/07/2015 13:04, Wen Congyang wrote: > > Yes. I think this is better for 2.4. There are threads that do not > > need RCU, for example the thread-pool.c worker threads, so it may just > > If the thread doesn't use RCU, rcu_register_thread() is harmless, is it right?
Every rcu_register_thread() makes synchronize_rcu() a little slower. >> > be simpler to add an assertion in rcu_register_thread. I'm just a bit >> > wary of doing little more than the bare minimum in 2.4, because of the >> > OS X failure that I didn't quite understand. > Which problem? I don't find it in the maillist. http://article.gmane.org/gmane.comp.emulators.qemu/351548 Paolo