Hi there list, Therez a doubt am having. I think one needs to be clear with this during the begining days of any kernel tweaking, per se, driver programming. My doubt is as follows: 1. Its given in the FAQ of kernelnewbies that there are 2 types of kernel headers - System header files (usr/include/linux & usr/include/asm) and kernel source headers (usr/src). The former for user-space programs and the latter for kernel-specific modules only. (correct me if I am wrong here). Now there is one more set of header files present in /lib/modules/`uname -r`/build/include. This is the one that we include while compiling our codes rather than /usr/src/linux/include. (FAQ says we should use kernel sources headers). What is this meant for? I suppose /lib/modules/`uname -r`/build/include is a copy of as /usr/src/linux/include. (Please correct me again, if I have not understood this part clearly).If that is the case than why dont we directly include /usr/src/linux/include rather than going including /lib/modules/`uname -r`/build/include 2. When we include header files in our source files, per se, # include <linux/module.h>, then, which header files are included (kernel sources present in /usr/include/ or system headers found in /usr/src) Regards, Amit -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
