linux-kernel - Re: [Lkcamp] [PATCH 1/4] Adds -Wshadow=local on KBUILD

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Date:   Wed, 17 Oct 2018 20:18:37 -0300
From:   Leonardo Bras <leobras.c@...il.com>
To:     helen@...keco.de
Cc:     lkcamp@...ts.libreplanetbr.org, x86@...nel.org,
        linux-kbuild@...r.kernel.org, Matthew Wilcox <willy6545@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Lkcamp] [PATCH 1/4] Adds -Wshadow=local on KBUILD_HOSTCFLAGS

Hello Helen,

On Wed, Oct 17, 2018 at 1:32 AM Helen Koike <helen@...keco.de> wrote:
>
> Hi Leonardo,
>
> Thanks for the patch.
>
> On 10/16/18 9:08 PM, Leonardo Brás wrote:
> > Adds -Wshadow=local on KBUILD_HOSTCFLAGS to show shadow warnings
> > on tools built for HOST.
> >
> > Signed-off-by: Leonardo Brás <leobras.c@...il.com>
> > ---
> >  Makefile | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Makefile b/Makefile
> > index e8b599b4dcde..fb0a9ac195e7 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -360,7 +360,7 @@ HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
> >
> >  HOSTCC       = gcc
> >  HOSTCXX      = g++
> > -KBUILD_HOSTCFLAGS   := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \
> > +KBUILD_HOSTCFLAGS   := -Wall -Wshadow=local -Wmissing-prototypes -Wstrict-prototypes -O2 \
> >               -fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) \
> >               $(HOSTCFLAGS)
> >  KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS)
> >
>
> I believe this should be the last patch on this series and not the first
> one to avoid commits in between where we have those warnings.
>

You are right, I will change the order for v2.
Thanks!

> Regards
> Helen

Regards,
Leonardo