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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Nathan Chancellor <nathan@kernel.org>
Cc: Zhipeng Wang <zhipeng.wang_1@nxp.com>,
	kernel test robot <lkp@intel.com>,
	"llvm@lists.linux.dev" <llvm@lists.linux.dev>,
	"oe-kbuild-all@lists.linux.dev" <oe-kbuild-all@lists.linux.dev>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [EXT] Re: [linux-next:master 5324/12162] drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: unused variable 'allowlist'
Date: Fri, 30 Jun 2023 11:36:19 +0530	[thread overview]
Message-ID: <20230630060619.zsfw4aynce7wt7cv@vireshk-i7> (raw)
In-Reply-To: <20230628153923.GA254367@dev-arch.thelio-3990X>

On 28-06-23, 08:39, Nathan Chancellor wrote:
> On Wed, Jun 28, 2023 at 01:33:40AM +0000, Zhipeng Wang wrote:
> > Hi,
> > 
> > I'm sorry for responding so late. I have also tried to reproduce this issue many times and I have not reproduced it.
> 
> I can reproduce this with the configuration that the robot provided,
> even with GCC.
> 
>   $ curl -LSso .config https://download.01.org/0day-ci/archive/20230625/202306250025.savpMM8L-lkp@intel.com/config
> 
>   $ make -skj"$(nproc)" ARCH=i386 CROSS_COMPILE=x86_64-linux- W=1 olddefconfig drivers/cpufreq/cpufreq-dt-platdev.o
>   drivers/cpufreq/cpufreq-dt-platdev.c:105:34: warning: 'blocklist' defined but not used [-Wunused-const-variable=]
>     102 | static const struct of_device_id blocklist[] __initconst = {
>         |                                  ^~~~~~~~~
>   drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: 'allowlist' defined but not used [-Wunused-const-variable=]
>      17 | static const struct of_device_id allowlist[] __initconst = {
>         |                                  ^~~~~~~~~
> 
> The W=1 is the key here, this warning is not enabled in a normal build. This
> configuration does not have CONFIG_OF=y, so of_match_node() is just defined as
> NULL, meaning these variables are indeed unused.

Ahh. Sent a patch to fix it now. Thanks.

> However, I am kind of confused as to how the robot landed on 3b062a08698 as the
> problematic commit, as I can reproduce these warnings without it.

Right.

-- 
viresh


      reply	other threads:[~2023-06-30  6:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-24 16:28 kernel test robot
2023-06-26  6:53 ` Viresh Kumar
2023-06-28  1:33   ` [EXT] " Zhipeng Wang
2023-06-28 15:39     ` Nathan Chancellor
2023-06-30  6:06       ` Viresh Kumar [this message]

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