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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687966766; bh=kHh+sYBCt/nKBznzRlFaUB0KuqMGCD9lLNqnOwpcU4Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=trR9vzqoI7oumADi+xmhgUwnls6FmHdYHnhdtB6UhMD5V6+VYqGHkZhCqSUggYa2N YTiNyyXaa4YXXEtILp8J57bAHOtrjvn72gV3kXN8IcYO8i+4H2REw4purf2ywHoK6c LcHIrTV01NZgarNrdZMSSZ38krekzHYXJYy0Wc5FOGeRU49EIrVTG3yEP+LPp8h9kJ ccQ90SkqPx4cYJ5VBpWdydBaO+eCYJTkponC5YxP2yBI8fVR7BQsyv4RAQvetUQMHm Osm9t/xdpa+vlb1ubjuqp3ybqljuFlyqUuR3r1rMsUgQL8x8DXGeZw6cDfH1Vd/HxO OrVG0EpdGmlAQ== Date: Wed, 28 Jun 2023 08:39:23 -0700 From: Nathan Chancellor To: Zhipeng Wang Cc: Viresh Kumar , kernel test robot , "llvm@lists.linux.dev" , "oe-kbuild-all@lists.linux.dev" , Linux Memory Management List Subject: Re: [EXT] Re: [linux-next:master 5324/12162] drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: unused variable 'allowlist' Message-ID: <20230628153923.GA254367@dev-arch.thelio-3990X> References: <202306250025.savpMM8L-lkp@intel.com> <20230626065345.2i562lyf23fantlm@vireshk-i7> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspamd-Queue-Id: CA73F100017 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: ty63j7jdcs99ce3fdoerezcoaicopncm X-HE-Tag: 1687966767-988504 X-HE-Meta: U2FsdGVkX18q+5sS9ASOsDT9DelK7FbR4erX6hvEIT1nBAQl3UoxQEkpesvAbIOV+4YDsBQHL5gCVKOt5VdXOf7p8758oFoIXhc4sYHBUApt/HZSS2atbhZsi9OkjD4w2v6W0tLH54nqdEvqHCFEumvpmFNLr/gwpJjZAiUe8YlR3gBpwexkamvrwn/VIqbtbpdtx0kbxQiPmklV+yXVLTCwSof1oOUP69fFRQbNFitvPCnq1Pi84cDdpeLc4yyIHOD/AHT+iPZNp7cClr5+tZVTDH7IcM0R3LeAhMXxhcAe854zwJem4WuuvJwIaQRE8HDu6TbxAj5K1EFKQam7DpOaCZzwcDoMdT6TawbuGOGaz1F+JE+0gXhNW+nnYxuXtUAwhEsUrLk97ChTpAnTnRvk5QQUqk1LEgOIIsl0fgpZVF25PNDlrcfLZjfvhIthhD9e5R0Cp40n2U4iNoINzzqdiGDNfu90aWZDeWP/6W/2ZXZTk765PgT3R22xW1BLPWN6Naw/Knp4QOhQAcMpJb77f8JEkUlUnl+6vV43mJuA+l3zjqEPhom8wMff6O3BWvRMtthBMHsm0HfvYIQ7gx2MP6cZp3s55J79XgMyKgGLGXPr/sMIiJndFmcxYZVBhDsRl9IASr3JOaQ4hHCdntYZal2HQnVJtnmB4htS/bDT1tJ84ZOEV2l7gfazAkudYngoZhqPWBSnVx9AMJf7NwfgQ/xUR3XqzI18fwNiKBgXIdTnB2P8dPQUP8MbtrD0COhMkMpE+6rOwYmg2elkZds/LVK/NP2YQKrlgezYylktQ+pqYFa11CKnrxRKGe4YMMYgSqBsZuf67mH6kxPJa2S+0cE39QYtJp0b/lN9yHtw1xJ1mgRYAjkRknOhh2oJAI0qHpmbdor8ts9HRGTP4BVacwHAJBDNzd/3f8wLdA8uRzpmEd8tJPgG8zPXTMkem4MtmwbJasR/20Fo6dT 4LVPnwpa 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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. 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. Cheers, Nathan > > -----Original Message----- > > From: Viresh Kumar > > Sent: 2023年6月26日 14:54 > > To: kernel test robot > > Cc: Zhipeng Wang ; llvm@lists.linux.dev; > > oe-kbuild-all@lists.linux.dev; Linux Memory Management List > > > > Subject: [EXT] Re: [linux-next:master 5324/12162] > > drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: unused variable > > 'allowlist' > > > > Caution: This is an external email. Please take care when clicking links or > > opening attachments. When in doubt, report the message using the 'Report > > this email' button > > > > > > On 25-06-23, 00:28, kernel test robot wrote: > > > tree: > > https://git.kern/ > > el.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Fnext%2Flinux-next.git&dat > > a=05%7C01%7Czhipeng.wang_1%40nxp.com%7Cb56973a98c0a4d280b3b08d > > b761218c0%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C638233 > > 592364533126%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJ > > QIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdat > > a=l0W3DFSqCzfqoAhQfDNg78n7oghKqGh6U3eJiYu2e60%3D&reserved=0 > > master > > > head: 8d2be868b42c08290509c60515865f4de24ea704 > > > commit: 3b062a086984d35a3c6d3a1c7841d0aa73aa76af [5324/12162] > > cpufreq: > > > dt-platdev: Support building as module > > > config: i386-randconfig-r035-20230624 > > > (https://dow/ > > > > > nload.01.org%2F0day-ci%2Farchive%2F20230625%2F202306250025.savpMM > > 8L-lk > > > > > p%40intel.com%2Fconfig&data=05%7C01%7Czhipeng.wang_1%40nxp.com%7 > > Cb5697 > > > > > 3a98c0a4d280b3b08db761218c0%7C686ea1d3bc2b4c6fa92cd99c5c301635 > > %7C0%7C0 > > > %7C638233592364533126%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4w > > LjAwMDAiLCJQ > > > > > IjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata= > > lTqIr > > > SUSMrl2NuciVHPbNVDL37S%2BDVLq4XJEUmECswA%3D&reserved=0) > > > compiler: clang version 15.0.7 > > > (https://git/ > > > > > hub.com%2Fllvm%2Fllvm-project.git&data=05%7C01%7Czhipeng.wang_1%40 > > nxp. > > > > > com%7Cb56973a98c0a4d280b3b08db761218c0%7C686ea1d3bc2b4c6fa92c > > d99c5c301 > > > > > 635%7C0%7C0%7C638233592364533126%7CUnknown%7CTWFpbGZsb3d8e > > yJWIjoiMC4wL > > > > > jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C% > > 7C%7C& > > > > > sdata=rbR0wNca0Re2A1bcgnWWPd2fnN9MffgPeQWi6xAUXlU%3D&reserved= > > 0 > > > 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) > > > reproduce: > > > (https://dow/ > > > > > nload.01.org%2F0day-ci%2Farchive%2F20230625%2F202306250025.savpMM > > 8L-lk > > > > > p%40intel.com%2Freproduce&data=05%7C01%7Czhipeng.wang_1%40nxp.co > > m%7Cb5 > > > > > 6973a98c0a4d280b3b08db761218c0%7C686ea1d3bc2b4c6fa92cd99c5c3016 > > 35%7C0% > > > > > 7C0%7C638233592364533126%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4 > > wLjAwMDAiL > > > > > CJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sd > > ata=Zw > > > GhEuk0ektPmokBAcblpoWl12DI1nQV2KBwXvq%2FkAE%3D&reserved=0) > > > > > > If you fix the issue in a separate patch/commit (i.e. not just a new > > > version of the same patch/commit), kindly add following tags > > > | Reported-by: kernel test robot > > > | Closes: > > > | https://lo/ > > > | > > re.kernel.org%2Foe-kbuild-all%2F202306250025.savpMM8L-lkp%40intel.co > > > | > > m%2F&data=05%7C01%7Czhipeng.wang_1%40nxp.com%7Cb56973a98c0a4d > > 280b3b0 > > > | > > 8db761218c0%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6382 > > 3359236 > > > | > > 4533126%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV > > 2luMzIi > > > | > > LCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=7Bf57OarO > > %2BQ1W > > > | 16XJ0%2BIvKMiEIQHj0REd0Oztz5jH0U%3D&reserved=0 > > > > > > All warnings (new ones prefixed by >>): > > > > > > >> drivers/cpufreq/cpufreq-dt-platdev.c:18:34: warning: unused > > > >> variable 'allowlist' [-Wunused-const-variable] > > > static const struct of_device_id allowlist[] __initconst = { > > > ^ > > > >> drivers/cpufreq/cpufreq-dt-platdev.c:105:34: warning: unused > > > >> variable 'blocklist' [-Wunused-const-variable] > > > static const struct of_device_id blocklist[] __initconst = { > > > ^ > > > 2 warnings generated. > > > > > > > Hi, > > > > Do you have any patch to fix this ? I am not sure why the error is coming here > > and I am not able to reproduce it too. > > > > -- > > viresh