hello.... > > 3. If ENTRY() is indeed declaring a function, how someone call it? > > by using "extern" on another C source code? And how the C code > > refer to the .S file? by pointing directly to the .S file or the > > header file (.h)? > > A number of the entry points are defined in > arch/i386/kernel/traps.c Ok, I see many calls to define trap gate there, including system_call hook on vector 128. Now it gets clearer to me on what entry.S does thanks Mulyadi -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/