Re: [Ksummit-discuss] checkkpatch (in)sanity ?

From: Alexandre Belloni
Date: Mon Aug 29 2016 - 03:15:31 EST


On 28/08/2016 at 18:37:59 -0400, Levin, Alexander via Ksummit-discuss wrote :
> On Sun, Aug 28, 2016 at 01:15:57PM -0400, Joe Perches wrote:
> > On Sat, 2016-08-27 at 22:47 -0400, Levin, Alexander wrote:
> >
> > > Would you agree that by default we shouldn't show anything that's
> > > not an error/defect?
> >
> > Not particularly, no.
>
> I think that we need to figure out this disagreement first then. My claim is that checkpatch's output isn't useful.
>
> Based on your bash snippet, populated with the KS program committee + the first few maintainers I spotted on 'git log':
>
> commiter commits issues
> arnd 858 2155
> axboe 53 22
> corbet 15 9
> davem 55 81
> grant.likely 2 0
> gregkh 38 46
> hch 393 581
> James.Bottomley 15 15
> martin.petersen 18 20
> mchehab 678 1042
> mgorman 104 256
> mingo 58 192
> paulmck 176 68
> peterz 226 511
> rostedt 123 178
> shuahkh 53 6
> tglx 200 287
> torvalds 64 89
> tytso 37 77
> viro 350 256
>
> And for the last 10,000 commits in the log, that script has observed 10,783 issues.
>
> It'll be interesting to hear from these people about their view of checkpatch, but IMO when on average there are more issues than commits I can suggest two possible causes:
>
> 1. People are used to ignore checkpatch warnings.
> 2. People aren't using checkpatch.
>

Well, Arnd is used to move around old code when refactoring. As the code
just moves, he rarely solves checkpatch issues when doing so which is
the right thing to do.

--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com