On Tue, Apr 15, 2014 at 12:17:24AM +0530, Kumar Gaurav wrote: > On Tuesday 15 April 2014 12:16 AM, Greg KH wrote: > > On Tue, Apr 15, 2014 at 12:08:18AM +0530, Kumar Gaurav wrote: > >> Hi All, > >> > >> I'm trying to upgrade a driver using semaphore to use mutex. I have > >> applied the required changes. Now i want to compile it to ensure that i > >> didn't broke the kernel. > >> > >> Driver Path:drivers/staging/dgap/ > >> I Marked this driver to load as loadable module > >> > >> kumar@anandlinux:/usr/linux-git$ grep CONFIG_DGAP .config > >> CONFIG_DGAP=m > >> > >> Now I'm trying to compile it using below command and getting result as given > >> kumar@anandlinux:/usr/linux-git$ sudo make M=drivers/staging/dgap/ > >> Building modules, stage 2. > >> MODPOST 0 modules > > Never build kernel code as root. We used to have a bug in the build > > system that if you did this, it would delete your whole filesystem. > > Some of us argued that we should leave it there just to keep people from > > ever doing this again :) > > > >> So, No module is getting build and again i'm not getting any Error as > >> well. Please tell me where i'm doing wrong. > > Have you built this kernel source tree before? Do a full build first, > > before trying to just build one directory. That should resolve the > > issue. > What does it mean by full build? You mean compiling All modules? If yes > then is there anyway to mark all module at once or i need to mark > everything one by one (i use menuconfig)? There's whole books out there that describe how to configure and build a kernel, I suggest you look into them first (Linux Kernel in a Nutshell is free online...) greg k-h -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
