> if i add a new system call and define a new link list in that and some > kernel function want to access that list > is it possible for that kernel code to make use of this? > Since the Linux kernel is monolithic, all kernel code is in the same memory address space. So it will depend of the scope of your variables. For example if your structure is global, it will be accesible from any place in the kernel. > actually i am making changes 2 side : one introducing a new kernel function > and that kernel function has to use the link list created by the system call > which i make in system call code. > Generally is not a good idea to introduce a new system call. You have to make changes in many places an recompile the kernel to make it work. It is better to use netlink or other mechanism to communicate kernel and userspace. > how can i intigrate them so that the things become easier? > > any further help is appreciable , javier. :) > I still don't know your context but a common approach is to create a kernel module that has both your data structures (linked list) and some way export that data to userspace (netlink sockets, sysfs, procfs, virtual devices, etc) -- ----------------------------------------- Javier MartÃnez Canillas (+34) 682 39 81 69 PhD Student in High Performance Computing Computer Architecture and Operating System Department (CAOS) Universitat AutÃnoma de Barcelona Barcelona, Spain _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
