On Sat, Jun 20, 2020 at 05:20:41PM +0200, Aleksandar Markovic wrote: > суб, 20. јун 2020. у 17:09 Aleksandar Markovic > <aleksandar.qemu.de...@gmail.com> је написао/ла: > > > > суб, 20. јун 2020. у 16:25 Peter Maydell <peter.mayd...@linaro.org> је > > написао/ла: > > > > > > On Sat, 20 Jun 2020 at 14:33, Aleksandar Markovic > > > <aleksandar.qemu.de...@gmail.com> wrote: > > > > There are several places where 'kernel' is mentioned instead of > > > > 'qemu' in checkpatch.pl. > > > > > > > > This small series corrects this. > > > > > > So, the thing about this kind of change is that it's implicitly saying > > > "we have > > > forked checkpatch and will not try to update to newer versions of it from > > > the kernel tree", because this sort of no-behavioural-change tends to > > > get in the way of that kind of update by obscuring the delta between > > > the kernel version and ours. Effectively I think we *have* ended up > > > with our own fork, > > > simply because we haven't cared to do that kind of update from the > > > kernel's > > > version and we've gradually added our own changes to our copy. But it > > > seems > > > like it's worth discussing the general principle. > > > > > > > I do not say (explicitly or implicitly) that we should or should not > > follow and attempt to mirror changes in checkpatch.pl from kernel. (In > > fact, I think we should.) > > > > However, I don't think that several differences (in this series, I > > thinks altogether 7 lines) that would originate from difference of > > names QEMU vs. kernel would not be any significant obstacle for a > > potential future attempts to do comparison QEMU checkpatch vs kernel > > chekpatch. > > > > Sorry, I meant to say: > > However, I don't think that several differences (in this series, I > think, altogether 7 lines) that would originate from difference of > names (QEMU vs. kernel) would be any significant obstacle for a > potential future attempts to do comparison QEMU checkpatch vs kernel > checkpatch.
I looked through the 2020, 2019, and 2018 git log for checkpatch.pl and found few commits that were directly applied from Linux. Some were rewritten from scratch for QEMU and inspired by Linux commits. In practice QEMU maintains a fork rather than a mirror of checkpatch.pl. Let's encourage improvements to checkpatch.pl, even if that means diverging further from Linux, because it's a valuable tool for improving coding style, quality, etc. If there is a feeling that changes to checkpatch.pl are discouraged there will be more coding style inconsistencies, reviewers will have to point out trivial issues manually, etc because we're afraid to touch the script. Stefan
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