linux-kernel - Re: [PATCH] powerpc: Add missing include <asm/stacktrace.h>

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Date:   Thu, 18 Oct 2018 08:34:25 +0200
From:   Mathieu Malaterre <malat@...ian.org>
To:     Christophe LEROY <christophe.leroy@....fr>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] powerpc: Add missing include <asm/stacktrace.h>

On Thu, Oct 18, 2018 at 6:37 AM Christophe LEROY
<christophe.leroy@....fr> wrote:
>
>
>
> Le 17/10/2018 à 21:25, Mathieu Malaterre a écrit :
> > In commit 88b0fe175735 ("powerpc: Add show_user_instructions()") the
> > function show_user_instructions was added.
> >
> > This commit adds an include of header file <asm/stacktrace.h> to provide
> > the missing function prototype. Silence the following gcc warning
> > (treated as error with W=1):
> >
> >    arch/powerpc/kernel/process.c:1302:6: error: no previous prototype for ‘show_user_instructions’ [-Werror=missing-prototypes]
> >
> > Signed-off-by: Mathieu Malaterre <malat@...ian.org>
>
> This is already fixed, see
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=c9386bfd37d37f29588de9ea9add455510049c33

Excellent !

Sorry for the noise :(

> Christophe
>
> > ---
> >   arch/powerpc/kernel/process.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
> > index bb6ac471a784..1c64491e9702 100644
> > --- a/arch/powerpc/kernel/process.c
> > +++ b/arch/powerpc/kernel/process.c
> > @@ -65,6 +65,7 @@
> >   #include <asm/livepatch.h>
> >   #include <asm/cpu_has_feature.h>
> >   #include <asm/asm-prototypes.h>
> > +#include <asm/stacktrace.h>
> >
> >   #include <linux/kprobes.h>
> >   #include <linux/kdebug.h>
> >