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 v5.12-rc6 next-20210408] [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-g... base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 883ccef355b910398b99dfaf96d40557479a7e9b config: i386-tinyconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/3d3685bb1cb34be4f8cbb99f050a94ac0... 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-1/20210408-234521 git checkout 3d3685bb1cb34be4f8cbb99f050a94ac0d1f98a9 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 411 | void ack_irq(struct irq_desc *desc) | ^~~~~~~ 419 | void eoi_irq(struct irq_desc *desc) | ^~~~~~~ vim +/ack_irq +411 kernel/irq/chip.c 410 412 { 413 desc->irq_data.chip->irq_ack(&desc->irq_data); 414 415 if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW) 416 irq_state_set_flow_masked(desc); 417 } 418 420 { 421 desc->irq_data.chip->irq_eoi(&desc->irq_data); 422 423 if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW) 424 irq_state_clr_flow_masked(desc); 425 } 426 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org