On Thu, 2005-01-27 at 09:14 -0800, Rock Gordon wrote: > If I'm given a particular address, how do I test > whether that address is from userspace or from kernel > space? You don't. > I need to make these decisions from either inside a > kernel module or a userspace program. The idea is I > use memcpy() in the user-user version, > copy_from/to_user in the kernel-kernel version, and > prohibit the others. You need to know where the address is from and use the correct function. Bernd -- Firmix Software GmbH http://www.firmix.at/ mobil: +43 664 4416156 fax: +43 1 7890849-55 Embedded Linux Development and Services -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
