linux-kernel - Re: linux-next: build warnings from the build of Linus' tree

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Date:   Sat, 25 Aug 2018 10:51:27 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warnings from the build of Linus' tree

On Fri, 24 Aug 2018 22:42:11 +1000
Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi Masami,
> 
> On Fri, 24 Aug 2018 20:47:56 +0900 Masami Hiramatsu <mhiramat@...nel.org> wrote:
> >
> > gcc-7.3.0 cross build ld shows below warnings.
> > 
> >   MODPOST vmlinux.o
> > /opt/gcc-7.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'.
> >   KSYM    .tmp_kallsyms1.o
> > /opt/gcc-7.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'.
> >   KSYM    .tmp_kallsyms2.o
> > /opt/gcc-7.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'.
> >   KSYM    .tmp_kallsyms3.o
> >   LD      vmlinux
> > /opt/gcc-7.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'.
> 
> I reported those a while ago when I started using the native Debian gcc
> on my Powerpc build box.
> 
> > But it seems another warning, and I couldn't see your warnings. Could you tell me your gcc version?
> 
> Currently, it is the Debian gcc 8.2.0, ld 2.31.1.

Hmm, so I guess it might be related to newer gcc (8?). I need to check it on x86-64 too.

Thank you,

-- 
Masami Hiramatsu <mhiramat@...nel.org>