From mboxrd@z Thu Jan  1 00:00:00 1970
From: Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH 0/7] Silence even more W=2 warnings
Date: Thu, 25 Sep 2014 18:44:46 +0200
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To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>, "Rustad, Mark D" <mark.d.rustad@intel.com>, "sparse@chrisli.org" <sparse@chrisli.org>, "linux-sparse@vger.kernel.org" <linux-sparse@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
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On Thu, Sep 25, 2014 at 09:45:29AM +0200, Geert Uytterhoeven wrote:
> Instead of grepping, you can feed the build log to linux-log-summary.
> Or when changing a driver, feed the before and after build logs to
> linux-log-diff. That way you won't miss the single new warning you've
> just introduced.
>=20
> https://github.com/geertu/linux-scripts

Yep, nice stuff: linux-log-summary does nicely summarize it all like
this here:

=2E..
include/linux/kernel.h:120:19: warning: cast from function call of type=
 =E2=80=98void *=E2=80=99 to non-matching type =E2=80=98long unsigned i=
nt=E2=80=99 [-Wbad-function-cast]: 40 warnings in 1 logs
include/linux/kernel.h:67:27: warning: conversion to =E2=80=98int=E2=80=
=99 from =E2=80=98long unsigned int=E2=80=99 may alter its value [-Wcon=
version]: 2 warnings in 1 logs
include/linux/kernel.h:67:33: warning: conversion to =E2=80=98long unsi=
gned int=E2=80=99 from =E2=80=98int=E2=80=99 may change the sign of the=
 result [-Wsign-conversion]: 3 warnings in 1 logs
=2E..

which I ran on a file built with W=3D123.

So I'd say everything needed is there to massage those build logs.

Thanks.

--=20
Regards/Gruss,
    Boris.
--