Subject: Re: linux-next: build warning after merge of the akpm-current tree

From: Rikard Falkeborn <[email-masked]>
Date: Wed, 7 Aug 2019 13:29:17 +0200

Hi Stephen, Andrew

On Wed, Aug 07, 2019 at 06:00:41PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the akpm-current tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> In file included from include/linux/bits.h:22,
>                  from arch/x86/include/asm/msr-index.h:5,
>                  from arch/x86/boot/cpucheck.c:28:
> include/linux/build_bug.h:49: warning: "BUILD_BUG_ON" redefined
>  #define BUILD_BUG_ON(condition) \
>  
> In file included from arch/x86/boot/cpucheck.c:22:
> arch/x86/boot/boot.h:31: note: this is the location of the previous definition
>  #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
> 
> Caused by commit
> 
>   d72f2a993607 ("linux/bits.h: add compile time sanity check of GENMASK inputs")
> 
> -- 
> Cheers,
> Stephen Rothwell

Please drop this patch, it has additional issues that needs to be fixed
in another revision.

Rikard