On Fri, Oct 01, 2004 at 03:50:56PM -0400, lml@xxxxxxxxxxxxxxxx wrote: > Hi, > > I am not sure how the reference counter can protect the data by just > checking the number of usage. For example, one thread gets the object > and increases the counter, while another can get the same object at > the same time. If there is no locking, how can the reference counter > solve the race contention. > > Or may be I missed some important part. You did. Your reference count needs to be an atomic value. Just use a struct kref, it handles all of the logic for you. greg k-h -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
