On Sun, Jun 14, 2015 at 08:27:03AM -0700, Greg KH wrote: > On Sun, Jun 14, 2015 at 02:11:33PM +0100, John Whitmore wrote: > > I've a question regarding the building of the linux kernel, more specifically > > which kernel to build. > > Always the latest version, why would you want to build an old one? > > > I've previously built the kernel for an 86 arch but this time I want to build > > for the RaspberryPi. I can easily get the current version of the installed > > kernel with the "uname -a" command but that doesn't tell me the git repo > > where the kernel originated. I'd imagine that it's from the RPi git repo, but > > that adds another level of confusion as that git repo doesn't have any tags at > > all. So even given the version number from uname how to check out a suitable > > version of the kernel. > > If you are using hardware that is not completly supported in the main > kernel.org repo, like many embedded devices like the RPi, I suggest > using the source repo that the project provides instead. > > > I could take the latest from the RPi repo and use "make oldconfig" but I > > wonder how far, in kernel versions, I can jump and not affect the installed > > libs and utilities which have been built against another version of the > > kernel? > > You should always be able to use a new kernel on old userspace with no > problems. Going backwards is not supported (old kernel on new > userspace.) > > hope this helps, > > greg k-h Yes that clears up versions, thanks a milion. John _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
