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

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Date:   Thu, 18 Oct 2018 06:37:31 +0200
From:   Christophe LEROY <christophe.leroy@....fr>
To:     Mathieu Malaterre <malat@...ian.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     Paul Mackerras <paulus@...ba.org>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: Add missing include <asm/stacktrace.h>



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

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>
>