On Tue, Oct 20, 2020 at 11:42 AM Joe Perches <j...@perches.com> wrote: > > On Mon, 2020-10-19 at 12:42 -0700, Nick Desaulniers wrote: > > We probably should add all 3 to W=2 builds (wrapped in cc-option). > > I've filed https://github.com/ClangBuiltLinux/linux/issues/1180 to > > follow up on. > > I suggest using W=1 as people that are doing cleanups > generally use that and not W=123 or any other style. > > Every other use of W= is still quite noisy and these > code warnings are relatively trivially to fix up.
The 0day bot folks have enabled W=1 recently; hence the uptick in reports of -Wimplicit-function-declaration. If it gets added to W=1, it's effectively "on by default" for new code tested by 0day bot. -- Thanks, ~Nick Desaulniers
