Re: [RFC PATCH v2 02/10] genirq: Define irq_ack() and irq_eoi() helpers

[kernel test robot <lkp@intel.com>]

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CC: kbuild-all(a)lists.01.org
CC: clang-built-linux(a)googlegroups.com
In-Reply-To: <20210525173255.620606-3-valentin.schneider@arm.com>
References: <20210525173255.620606-3-valentin.schneider@arm.com>
TO: Valentin Schneider <valentin.schneider@arm.com>

Hi Valentin,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on tip/irq/core]
[also build test WARNING on linux/master soc/for-next linus/master v5.13-rc3 next-20210525]
[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]

url:    https://github.com/0day-ci/linux/commits/Valentin-Schneider/irqchip-irq-gic-Optimize-masking-by-leveraging-EOImode-1/20210526-013542
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 006ae1970a8cde1d3e92da69b324d12880133a13
:::::: branch date: 5 hours ago
:::::: commit date: 5 hours ago
config: x86_64-randconfig-b001-20210525 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/9cb26d40715c7a84d90accb09d808141446dd270
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Valentin-Schneider/irqchip-irq-gic-Optimize-masking-by-leveraging-EOImode-1/20210526-013542
        git checkout 9cb26d40715c7a84d90accb09d808141446dd270
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> kernel/irq/chip.c:411:6: warning: no previous prototype for function 'ack_irq' [-Wmissing-prototypes]
   void ack_irq(struct irq_desc *desc)
        ^
   kernel/irq/chip.c:411:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void ack_irq(struct irq_desc *desc)
   ^
   static 
>> kernel/irq/chip.c:419:6: warning: no previous prototype for function 'eoi_irq' [-Wmissing-prototypes]
   void eoi_irq(struct irq_desc *desc)
        ^
   kernel/irq/chip.c:419:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void eoi_irq(struct irq_desc *desc)
   ^
   static 
   2 warnings generated.


vim +/ack_irq +411 kernel/irq/chip.c

31d9d9b6d83030 Marc Zyngier       2011-09-23  410  
9cb26d40715c7a Valentin Schneider 2021-05-25 @411  void ack_irq(struct irq_desc *desc)
9cb26d40715c7a Valentin Schneider 2021-05-25  412  {
9cb26d40715c7a Valentin Schneider 2021-05-25  413  	desc->irq_data.chip->irq_ack(&desc->irq_data);
9cb26d40715c7a Valentin Schneider 2021-05-25  414  
9cb26d40715c7a Valentin Schneider 2021-05-25  415  	if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW)
9cb26d40715c7a Valentin Schneider 2021-05-25  416  		irq_state_set_flow_masked(desc);
9cb26d40715c7a Valentin Schneider 2021-05-25  417  }
9cb26d40715c7a Valentin Schneider 2021-05-25  418  
9cb26d40715c7a Valentin Schneider 2021-05-25 @419  void eoi_irq(struct irq_desc *desc)
9cb26d40715c7a Valentin Schneider 2021-05-25  420  {
9cb26d40715c7a Valentin Schneider 2021-05-25  421  	desc->irq_data.chip->irq_eoi(&desc->irq_data);
9cb26d40715c7a Valentin Schneider 2021-05-25  422  
9cb26d40715c7a Valentin Schneider 2021-05-25  423  	if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW)
9cb26d40715c7a Valentin Schneider 2021-05-25  424  		irq_state_clr_flow_masked(desc);
9cb26d40715c7a Valentin Schneider 2021-05-25  425  }
9cb26d40715c7a Valentin Schneider 2021-05-25  426  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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