Fwd: Adding custom system calls

[Greg KH]

On Fri, Mar 21, 2014 at 12:50:27AM +0530, arun kumar wrote:
> 
> yeah it does seems like a homework question..
> 
> I remember doing it on KernelVersion: 2.6 by modifying some files including
> unistd.h writing a wrapper for it and writing the code for it. This included
> some tweaking inside the /arch subtree of the kernel.
> my intentions are entirely academic.
> 
> Currently working on kernelVer: 3.12.14
> I am somewhat struggling to comprehend the changes (steep learning curve), if
> you could guide me on what files to look for, i am sure i can find my way from
> there.

There's loads of "how to add a syscall to Linux" tutorials out there,
what have you tried and what errors have you gotten when following them?

greg k-h