On Fri, Mar 01, 2024 at 01:31:10PM +0100, Salvatore Bonaccorso wrote: > Hi, > > Ben Hutchings reported in https://bugs.debian.org/1064035 a problem > with the kernel-doc builds once 3080ea5553cc ("stddef: Introduce > DECLARE_FLEX_ARRAY() helper") got applied in 5.10.210 (as > prerequisite of another fix in 5.10.y): > > > The backport of commit 3080ea5553cc "stddef: Introduce > > DECLARE_FLEX_ARRAY() helper" modified scripts/kernel-doc and > > introduced a syntax error: > > > > Global symbol "$args" requires explicit package name (did you forget to declare "my $args"?) at ./scripts/kernel-doc line 1236. > > Global symbol "$args" requires explicit package name (did you forget to declare "my $args"?) at ./scripts/kernel-doc line 1236. > > Execution of ./scripts/kernel-doc aborted due to compilation errors. > > > > This doesn't stop the documentation build process, but causes the > > documentation that should be extracted by kernel-doc to be missing > > from linux-doc-5.10. > > > > We should be able to fix this by eithering backport commit > > e86bdb24375a "scripts: kernel-doc: reduce repeated regex expressions > > into variables" or replacing /$args/ with /([^,)]+)/. > > > > Ben. > > What would be prefered here from stable maintainers point of view? > AFAICS e86bdb24375a ("scripts: kernel-doc: reduce repeated regex > expressions into variables") won't apply cleanly and needs some > refactoring. The alternative pointed out by Ben would be to replace > the /$args/ with /([^,)]+)/. I'll take a patch that does either, your call :) thanks, greg k-h