linux-kernel - Re: next-20210420 build breakage on 32-bit

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Date:   Wed, 21 Apr 2021 18:00:10 +0800
From:   Coly Li <colyli@...e.de>
To:     Valdis Klētnieks <valdis.kletnieks@...edu>
Cc:     linux-kernel@...r.kernel.org, Jianpeng Ma <jianpeng.ma@...el.com>,
        Jens Axboe <axboe@...nel.dk>,
        Qiaowei Ren <qiaowei.ren@...el.com>
Subject: Re: next-20210420 build breakage on 32-bit -
 include/uapi/linux/bcache-nvm.h

On 4/21/21 3:59 PM, Valdis Klētnieks wrote:
> commit 97d69b16cb973e04ea5309b9cb4356aa6b42c54e
> Author: Coly Li <colyli@...e.de>
> Date:   Wed Apr 14 13:46:36 2021 +0800
> 
>     bcache: add initial data structures for nvm pages
> 
> contains this code:
> 
> +#if (__BITS_PER_LONG != 64)
> +       #error "Non-64bit platform is not supported"
> +#endif
> 
> This breaks the build on arm and other 32-bit systems:
> 
>   HDRTEST usr/include/linux/bcache-nvm.h
> In file included from <command-line>:32:
> ./usr/include/linux/bcache-nvm.h:109:3: error: #error "Non-64bit platform is not supported"
>   #error "Non-64bit platform is not supported"
>    ^~~~~
> make[3]: *** [/usr/src/linux-next/usr/include/Makefile:106: usr/include/linux/bcache-nvm.hdrtest] Error 1
> make[2]: *** [/usr/src/linux-next/scripts/Makefile.build:534: usr/include] Error 2
> make[1]: *** [/usr/src/linux-next/Makefile:1967: usr] Error 2
> 

Hi Valdis,

This series is withdrawn from 5.13 queue, this failure can be safely
ignored.

Thanks.

Coly Li