On Tue, 2019-05-21 at 16:27 +0900, Masahiro Yamada wrote: > On Tue, May 21, 2019 at 3:54 PM Christophe Leroy > > powerpc accepts lines up to 90 chars, see arch/powerpc/tools/checkpatch.pl > > Ugh, I did not know this. Horrible. > > The Linux coding style should be global in the kernel tree. > No subsystem should adopts its own coding style.
I don't see a problem using 90 column lines by arch/<foo> There are other subsystem specific variations like the net/ /* multiline comments without initial blank comment lines * look like this... */ If there were arch specific drivers with style variations in say drivers/net, then that might be more of an issue.