On Thu, 31 Jan 2008, Robin Holt wrote: > Both xpmem and GRU have means of removing their context seperate from > process termination. XPMEMs is by closing the fd, I believe GRU is > the same. In the case of XPMEM, we are able to acquire the mmap_sem. > For GRU, I don't think it is possible, but I do not remember the exact > reason.
For any action initiated from user space you will not hold mmap sem. So you can call the unregister function. Then you need to do a synchronize_rcu before freeing the structures. It is also possible to shut this down outside via f.e. a control thread. The control thread can acquire mmap_sem and then unregister the notifier. Am I missing something? -- 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/
