On Fri, 2002-12-27 at 15:06, zw wrote: > Thanks for your answer! It seems that I got confused. :) > > So it seems that copy_from_user could only happen within a task? I > mean, if the user-process get into the kernel with a syscall, then > the syscall could do copy_from_user, then do some stuff with that > data in kernel-space. But it's all happening within a task. Is that > right? Correct. They must be called within process context and they operate on that process's address space. > Thanks for the clarification! :) You are welcome. Robert Love -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
