linux-kernel - Re: arch/alpha/include/asm/core_t2.h:587:23: warning: no previous prototype for 't2

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Date: Mon, 8 Jan 2024 17:56:22 +0800
From: Yujie Liu <yujie.liu@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>
CC: kernel test robot <lkp@...el.com>, Arnd Bergmann <arnd@...db.de>,
	<oe-kbuild-all@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: Re: arch/alpha/include/asm/core_t2.h:587:23: warning: no previous
 prototype for 't2_ioread64'

Hi Linus Walleij,

On Sun, Jan 07, 2024 at 09:09:21PM +0100, Linus Walleij wrote:
> Hi robot,
> 
> On Sat, Jan 6, 2024 at 10:40 AM kernel test robot <lkp@...el.com> wrote:
> 
> 
> > Hi Arnd,
> >
> > FYI, the error/warning still remains.
> 
> FYI I have already said I can't reproduce this at all. Not using
> allnoconfig, not using the .config attached to the report.
> 
> I have no idea what this is.

We double checked this, and looks like it needs to be reproduced by
"make W=1". Could you please recheck with W=1?

The following link has some hints of handling W=1 warnings:

https://github.com/intel/lkp-tests/wiki/LKP-FAQ#how-is-one-meant-to-act-on-w1-reports-like--wmissing-prototypes

Please kindly let us know if you'd like to ignore these W=1 warnings,
and we will configure the bot for you to avoid further bothering.

Thanks,
Yujie