On Thu, Oct 08, 2026 at 05:12:05PM +0100, David Laight wrote: > On Thu, 8 Oct 2026 09:20:01 -0500 > "Serge E. Hallyn" <[email protected]> wrote: > > ... > > > > Even if there's just a three line comment above a fn, history proves > > that it will not reliably stay in sync as the fn changes. An automation > > step/check is needed. > > The only way it can possibly stay in step is to have the compiler process > the same source text. > Then, if you add/change a function parameter you'd be pretty much forced > to add/change the comment. > Return values would have to be documented at the C return statement and > really as an extra parameter to the return. > > But, IMHO, the whole thing adds too much bloat to the source files. > When you 'grep' a source file, you don't really want another match in > a big comment at the top of every function. > > David
That's why I feel all this info that Sasha has added should go into a Documentation/uapi/ autogenerated directory. Auto-updated on every build, with warnings if the result has changed. -serge

