On Fri, Sep 13, 2019 at 10:54:46AM -0300, Mauro Carvalho Chehab wrote:
Em Fri, 13 Sep 2019 08:56:30 -0400
Matthew Wilcox <willy6545(a)gmail.com> escreveu:
> It's easy enough to move the kernel-doc warnings out from under W=1. I only
> out them there to avoid overwhelming us with new warnings. If they're
> mostly fixed now, let's make checking them the default.
Didn't try doing it kernelwide, but for media we do use W=1 by default,
on our CI instance.
I used to do that as well, but gave up on it since it resulted in lots
of warnings from generic kernel include files. I have not tried recently,
so maybe that is no longer the case.
There's a few warnings at EDAC, but they all seem easy enough to
Acceptance depends on the maintainer, really. I had patches rejected
when trying to fix W=1 warnings, so I no longer do it.
So, from my side, I'm all to make W=1 default.
Seems to me that would require a common agreement that maintainers
are expected to accept fixes for problems reported with W=1.
> On Thu., Sep. 12, 2019, 16:01 Bart Van Assche, <bvanassche(a)acm.org> wrote:
> > On 9/12/19 8:34 AM, Joe Perches wrote:
> > > On Thu, 2019-09-12 at 14:31 +0100, Bart Van Assche wrote:
> > >> On 9/11/19 5:40 PM, Martin K. Petersen wrote:
> > >>> * The patch must compile without warnings (make C=1
> > CF="-D__CHECK_ENDIAN__")
> > >>> and does not incur any zeroday test robot complaints.
> > >>
> > >> How about adding W=1 to that make command?
> > >
> > > That's rather too compiler version dependent and new
> > > warnings frequently get introduced by new compiler versions.
> > I've never observed this myself. If a new compiler warning is added to
> > gcc and if it produces warnings that are not useful for kernel code
> > usually Linus or someone else is quick to suppress that warning.
> > Another argument in favor of W=1 is that the formatting of kernel-doc
> > headers is checked only if W=1 is passed to make.
> > Bart.
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