linux-kernel - Re: [tip:sched/core 13/47] kernel/sched/core.c:10400:42: error: variable 'stats' set but not used

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Date:   Sun, 10 Oct 2021 12:57:28 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Yafang Shao <laoar.shao@...il.com>
Cc:     kernel test robot <lkp@...el.com>, kbuild-all@...ts.01.org,
        LKML <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>,
        arnd@...nel.org
Subject: Re: [tip:sched/core 13/47] kernel/sched/core.c:10400:42: error:
 variable 'stats' set but not used

On Sun, Oct 10, 2021 at 05:59:54PM +0800, Yafang Shao wrote:
> On Sun, Oct 10, 2021 at 9:38 AM kernel test robot <lkp@...el.com> wrote:
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
> > head:   b2d5b9cec60fecc72a13191c2c6c05acf60975a5
> > commit: ceeadb83aea28372e54857bf88ab7e17af48ab7b [13/47] sched: Make struct sched_statistics independent of fair sched class
> > config: microblaze-buildonly-randconfig-r002-20211010 (attached as .config)
> > compiler: microblaze-linux-gcc (GCC) 11.2.0
> > reproduce (this is a W=1 build):
> 
> It is a  W=1 warning.
> It seems that we don't need to fix the warning.

Right, and I asked 0day people to stop sending W=1 warnings, but they
just keep going on and on.

Arnd, any way we can 'promote' that warning to W=2?