On 2016-01-21 06:22, Dave Jones wrote: > On Wed, Jan 20, 2016 at 06:22:04PM +0000, Linux Kernel wrote: > > Web: > https://git.kernel.org/torvalds/c/93209d65c1d38f86ffb3f61a1214130b581a9709 > > Commit: 93209d65c1d38f86ffb3f61a1214130b581a9709 > > Parent: a1ccdb63b5535dc3446b0a9efc6d97aca82c72ef > > Refname: refs/heads/master > > Author: Michal Marek <mma...@suse.com> > > AuthorDate: Wed Oct 14 11:48:06 2015 +0200 > > Committer: Michal Marek <mma...@suse.com> > > CommitDate: Tue Jan 5 22:18:48 2016 +0100 > > > > tags: Unify emacs and exuberant rules > > > > The emacs rules were constantly lagging behind the exuberant ones. Use > a > > single set of rules for both, to make the script easier to maintain. > > The language understood by both tools is basic regular expression with > > some limitations, which are documented in a comment. To be able to > store > > the rules in an array and easily iterate over it, the script requires > > bash now. In the exuberant case, the change fixes some false matches in > > <linux/page-flags.h> and also some too greedy matches in the arguments > > of the DECLARE_*/DEFINE_* macros. In the emacs case, several previously > > not working rules are matching now. Tested with these versions of the > > tools: > > > > Exuberant Ctags 5.8, Copyright (C) 1996-2009 Darren Hiebert > > etags (GNU Emacs 24.5) > > > > Signed-off-by: Michal Marek <mma...@suse.com> > > Since today, make tags got a lot more noisy for me on Debian unstable > (exuberant-ctags 1:5.9~svn20110310-10) > > $ make tags > GEN tags > ctags: Warning: drivers/xen/events/events_2l.c:41: null expansion of name > pattern "\1" > ctags: Warning: drivers/acpi/processor_idle.c:64: null expansion of name > pattern "\1" > ctags: Warning: kernel/locking/lockdep.c:153: null expansion of name pattern > "\1" > ctags: Warning: kernel/workqueue.c:307: null expansion of name pattern "\1" > ctags: Warning: kernel/rcu/rcutorture.c:133: null expansion of name pattern > "\1" > ctags: Warning: kernel/rcu/rcutorture.c:135: null expansion of name pattern > "\1" > ctags: Warning: net/rds/page.c:45: null expansion of name pattern "\1" > ctags: Warning: net/ipv6/syncookies.c:44: null expansion of name pattern "\1" > ctags: Warning: net/ipv4/syncookies.c:53: null expansion of name pattern "\1" > > Looks like it's choking on DEFINE_PER_CPU definitions ?
Yes. But each time I submitted a patch to remove the line breaks in DEFINE_PER_CPU, somebody came up with the clever idea to fix ctags instead. Michal