On Thu, Sep 27, 2012 at 07:43:44AM -0700, H. Peter Anvin wrote: > >>If you can't guarantee that ALL those processes are stopped and > >>checkpointed/restarted, you have a huge problem. > > > >Well, sure inside our tool before doing checkpoint we stop all > >tasks which are part of dumpee process tree. This unfortunatly > >doesn't apply to these ioctl calls. Peter, any idea how to deal > >with that? > > Sorry, no. I suspect you might be trying to do something that is > impossible to do in a general fashion without application changes.
I see. What if I wrap all this entries with CONFIG_CHECKPOINT_RESTORE and say add some sysctl which would enable/disbale this ioctls. Then it'll be up to user-space callers to make sure that data received is valid and can be used? The problem is that I need to fetch this bits somehow with minimal changes in kernel. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
