normally process-specific information should be stored in userspace's process. and if necessary inter-process communication setup to share the variable values. kernel should preferably be used for security related, or non-per-process specific stuff. this is because anything u do in the kernel, is visible to every party in the kernel.....and many other reasons as well...
2009/4/15 yihect <[email protected]>: > I want to store some process-dependent information in my driver. I want to > init them in open() and > deinit them in flush(), these 2 methods get called when the app process > calling open() or close() functions. > > But if one parent process forked child process with my driver opened. Than, > is the open() method get called? > I want to store child-process-dependent as well. > > How about in dup() ?? Will the open() get called in this case? thanks. -- Regards, Peter Teoh -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
