On Wed, 19 Oct 2022 23:37:51 +0200 Wolfram Sang <wsa-dev@xxxxxxxxxxxxxxxxxxxx> wrote: > > I spent a little time trying to put together a Coccinelle script to > > take care of everything but I eventually realized the size of the task > > was larger than I was comfortable with. In particular, even though I > > might be able to put together a script, I worry I don't have a good > > way to test the resulting treewide changes to avoid regression. > > The coccinelle scripts are one thing. I am quite familiar with it, so I > regard this as "work but doable". My main headache is that I am not sure > about the best way to upstream the result. I'd like to avoid a flag-day > where all drivers across all subsystems need to be converted, but I > don't really see a way around it. Preparing such a branch and make sure > it does not regress is quite some work on a moving target. Horrendous though it is, you 'could' take it via a void * intermediate step. That way all the warnings will disappear (I think). You then move all the callers to providing u8 * then switch the function to that. Could happen over several cycles with coccicheck moaning about any new entries in the meantime. Jonathan > >
