Hi, I am trying to add a new system call in linux kernel 2.6.19. Adding all the required kernel code is fine but compilation of user space code is giving some issues. The _syscall0, _syscall1, .... interface that was available till 2.6.17 seems to have been discontinued. _syscall0... marcos are defined in asm-i386/unistd.h but inside kernel block. Can anybody give me some pointers as to how system call are to be invoked 2.6.18 onwards? -- Regards, Amit Dang -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/