linux-kernel - Re: [PATCH v2] interrupt: debug for discovering frequent interrupts

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202210111808.pdFg8N7P-lkp@intel.com>
Date:   Tue, 11 Oct 2022 18:10:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Zhang Xincheng <zhangxincheng@...ontech.com>, tglx@...utronix.de
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org, maz@...nel.org,
        wsa+renesas@...g-engineering.com, hdegoede@...hat.com,
        bigeasy@...utronix.de, mark.rutland@....com, michael@...le.cc,
        linux-kernel@...r.kernel.org,
        Zhang Xincheng <zhangxincheng@...ontech.com>
Subject: Re: [PATCH v2] interrupt: debug for discovering frequent interrupts

Hi Zhang,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/irq/core]
[also build test WARNING on linus/master v6.0 next-20221011]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Zhang-Xincheng/interrupt-debug-for-discovering-frequent-interrupts/20221011-135800
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 36de4f94197318e45ba77badb5b07274f5bc72a9
config: hexagon-randconfig-r045-20221010
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
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
        # https://github.com/intel-lab-lkp/linux/commit/70d1ccdeb3cc035e44adfd98df109d31ed9af116
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Zhang-Xincheng/interrupt-debug-for-discovering-frequent-interrupts/20221011-135800
        git checkout 70d1ccdeb3cc035e44adfd98df109d31ed9af116
        # 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=hexagon SHELL=/bin/bash kernel/irq/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> kernel/irq/spurious.c:315:6: warning: no previous prototype for function 'report_frequent_irq' [-Wmissing-prototypes]
   void report_frequent_irq(struct irq_desc *desc, irqreturn_t action_ret)
        ^
   kernel/irq/spurious.c:315:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void report_frequent_irq(struct irq_desc *desc, irqreturn_t action_ret)
   ^
   static 
   1 warning generated.


vim +/report_frequent_irq +315 kernel/irq/spurious.c

   313	
   314	#else
 > 315	void report_frequent_irq(struct irq_desc *desc, irqreturn_t action_ret)
   316	{
   317	}
   318	#endif /* CONFIG_FREQUENT_IRQ_DEBUG */
   319	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

View attachment "config" of type "text/plain" (118299 bytes)