On Sun, Dec 12, 2021 at 12:34:54PM +0530, Muni Sekhar wrote: > Also, could someone please point me to a document which explains about > "how to add a new system call" and the "system call flow from user > space to kernel space" in X86 ARCHITECTURE (32-BIT AND 64-BIT). There are many documents online that show both of these already. Have you used a search engine first? Both of these are usually questions that students are asked for assignments, good luck in class! greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies