linux-kernel - Re: [arnd-playground:randconfig-5.3-rc2 32/347] fs/reiserfs/prints.o: warning: objtool: __reiserfs

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Message-ID: <CAK8P3a06aYPv_+v+LpJp1ohYXbJNjBU_YjPcAuWOhFeUSwUdLA@mail.gmail.com>
Date:   Fri, 9 Aug 2019 21:16:53 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     kbuild test robot <lkp@...el.com>, kbuild-all@...org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [arnd-playground:randconfig-5.3-rc2 32/347] fs/reiserfs/prints.o:
 warning: objtool: __reiserfs_error()+0x80: unreachable instruction

On Fri, Aug 9, 2019 at 5:53 PM Josh Poimboeuf <jpoimboe@...hat.com> wrote:
> On Thu, Aug 08, 2019 at 10:45:34PM +0200, Arnd Bergmann wrote:
> > On Thu, Aug 8, 2019 at 9:06 PM kbuild test robot <lkp@...el.com> wrote:

> > Josh, is this warning above something you are interested in? I don't
> > think it happens in mainline, but it could happen anywhere. I think
> > the patch below can be dropped once clang is fixed, but I have so far
> > been unable to build a new compiler for testing.
>
> From a brief glance I think you need to remove __reiserfs_panic from
> objtool's global_noreturns[] array.

Right, makes sense. Added to my private patch now.

      Arnd