On Tue, 2007-07-31 at 14:08 -0400, Jug Venkatesh wrote: > Hi, > > I am writing new system calls for a security project, and I was > wondering if there is any way to specify whether they will be accessible > from user space or kernel space.
System calls are by definition called only from user-space. If you want to share the code, you can do something like: - Make a function sys_foo(), which copies the arguments from user-space, verifies them, etc. This would be the system call. - Have sys_foo() call a function do_foo(), which actually does the work. The user-space program would make a system call as usual, which would go to sys_foo(). From the kernel, you would be able to call do_foo(). Avishay -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [EMAIL PROTECTED] Please read the FAQ at http://kernelnewbies.org/FAQ
