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Fri, 9 Sep 2022 02:31:01 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-927-gf4c98c8499-fm-20220826.002-gf4c98c84 Mime-Version: 1.0 Message-Id: In-Reply-To: <202209091157.akimiv18-lkp@intel.com> References: <202209091157.akimiv18-lkp@intel.com> Date: Fri, 09 Sep 2022 08:30:37 +0200 From: "Arnd Bergmann" To: "kernel test robot" , "Qi Zheng" Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, "Ammar Faizi" , "GNU/Weeb Mailing List" , linux-kernel@vger.kernel.org, "Catalin Marinas" Subject: Re: [ammarfaizi2-block:arm64/linux/for-next/misc 2/2] arch/arm64/kernel/irq.c:81:6: warning: no previous prototype for function 'do_softirq_own_stack' Content-Type: text/plain List-Id: On Fri, Sep 9, 2022, at 5:12 AM, kernel test robot wrote: > tree: https://github.com/ammarfaizi2/linux-block > arm64/linux/for-next/misc > head: 2d2f3bb897a3de4190b1b6b296c3429d01327554 > commit: 2d2f3bb897a3de4190b1b6b296c3429d01327554 [2/2] arm64: run > softirqs on the per-CPU IRQ stack > config: arm64-randconfig-r023-20220907 > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project > 1546df49f5a6d09df78f569e4137ddb365a3e827) > reproduce (this is a W=1 build): > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross > -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm64 cross compiling tool for clang build > # apt-get install binutils-aarch64-linux-gnu > # > https://github.com/ammarfaizi2/linux-block/commit/2d2f3bb897a3de4190b1b6b296c3429d01327554 > git remote add ammarfaizi2-block > https://github.com/ammarfaizi2/linux-block > git fetch --no-tags ammarfaizi2-block arm64/linux/for-next/misc > git checkout 2d2f3bb897a3de4190b1b6b296c3429d01327554 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 > O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > >>> arch/arm64/kernel/irq.c:81:6: warning: no previous prototype for function 'do_softirq_own_stack' [-Wmissing-prototypes] > void do_softirq_own_stack(void) > ^ > arch/arm64/kernel/irq.c:81:1: note: declare 'static' if the function > is not intended to be used outside of this translation unit > void do_softirq_own_stack(void) > ^ > static I think we are missing an "#include " in arch/arm64/kernel/irq.c Arnd