linux-kernel - Re: linux-next: build failure after merge of the mm tree

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Message-ID: <20230130080956.ikb3w5cjkhtxqzcr@wittgenstein>
Date:   Mon, 30 Jan 2023 09:09:56 +0100
From:   Christian Brauner <brauner@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Christian Brauner <christian@...uner.io>,
        Giuseppe Scrivano <gscrivan@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Joey Gouly <joey.gouly@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the mm tree

On Mon, Jan 30, 2023 at 04:14:14PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the mm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> kernel/sys.c: In function '__do_sys_prctl':
> kernel/sys.c:2664:9: error: duplicate case value
>  2664 |         case PR_SET_HIDE_SELF_EXE:
>       |         ^~~~
> kernel/sys.c:2655:9: note: previously used here
>  2655 |         case PR_SET_MDWE:
>       |         ^~~~
> kernel/sys.c:2669:9: error: duplicate case value
>  2669 |         case PR_GET_HIDE_SELF_EXE:
>       |         ^~~~
> kernel/sys.c:2658:9: note: previously used here
>  2658 |         case PR_GET_MDWE:
>       |         ^~~~
> 
> Caused by commit
> 
>   ab30677b499c ("mm: implement memory-deny-write-execute as a prctl")
> 
> interacting with commit
> 
>   966eb1ba050d ("exec: add PR_HIDE_SELF_EXE prctl")
> 
> from the pidfd tree.
> 
> I have applied the following merge fix patch.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 30 Jan 2023 16:08:34 +1100
> Subject: [PATCH] mm: fixup for "mm: implement memory-deny-write-execute as a prctl"
> 
> interacting with
> 
>   966eb1ba050d ("exec: add PR_HIDE_SELF_EXE prctl")
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---

Thanks Stephen,

I'm moving this out of -next for now until we've settled a few more
details.

Christian