Thank you very much, I think it uses RCU to protect the list traversal. On Nov 17, 2010, at 2:24 PM, Mulyadi Santosa wrote: > Hi.. > > On Wed, Nov 17, 2010 at 17:27, Juan Rafael Garcia Blanco > <jgblanco.mail@xxxxxxxxx> wrote: >> Hi, >> few days ago, I asked you for a method to traverse the task list "atomically", and some of you pointed me out to read_lock(&tasklist_lock), which I found it the right solution. But I forgot to mention I am outside the kernel, I am writing a kernel module I mean. And those symbols aren't exported. >> After some searches, I found rcu_read_lock() could do the job, and now I want to confirm this, please. > > Uhm, I could be wrong, but have you checked for_each_process() macro > defined in include/linux/sched.h? > > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer and consultant > > blog: the-hydra.blogspot.com > training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
