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

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Date:   Tue, 26 Feb 2019 10:16:38 +0200
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        PowerPC <linuxppc-dev@...ts.ozlabs.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Christophe Leroy <christophe.leroy@....fr>
Subject: Re: linux-next: build failure after merge of the akpm tree

On Tue, Feb 26, 2019 at 06:39:15PM +1100, Stephen Rothwell wrote:
> Hi Andrew,
> 
> After merging the akpm tree, today's linux-next build (powerpc
> allnoconfig) failed like this:
> 
> /home/sfr/next/next/arch/powerpc/kernel/setup_32.c:176:21: error: redefinition of 'alloc_stack'
>  static void *__init alloc_stack(void)
>                      ^~~~~~~~~~~
> /home/sfr/next/next/arch/powerpc/kernel/setup_32.c:165:21: note: previous definition of 'alloc_stack' was here
>  static void *__init alloc_stack(void)
>                      ^~~~~~~~~~~
> 
> Caused by patch
> 
>   "powerpc: use memblock functions returning virtual address"
> 
> from the akpm tree interacting with commit
> 
>   c8e409a33cf8 ("powerpc/irq: use memblock functions returning virtual address")
> 
> from the powerpc tree.
> 
> Both patches added the alloc_stack() function and git resolved it by
> adding both. :-(  I have added a patch to remove one of them.

Yeah, me too :)

https://lore.kernel.org/linux-mm/20190226064032.GA5873@rapoport-lnx/
 
Stephen, sorry, should have cc'ed you

> -- 
> Cheers,
> Stephen Rothwell

-- 
Sincerely yours,
Mike.