Hi Daniel, kernel test robot noticed the following build warnings: [auto build test WARNING on c9af98a7e8af266bae73e9d662b8341da1ec5824] url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Wagner/driver-core-bus-add-irq_get_affinity-callback-to-bus_type/20241112-213257 base: c9af98a7e8af266bae73e9d662b8341da1ec5824 patch link: https://lore.kernel.org/r/20241112-refactor-blk-affinity-helpers-v3-3-573bfca0cbd8%40kernel.org patch subject: [PATCH v3 3/8] virtio: hookup irq_get_affinity callback config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241113/202411130521.UOBdW8Rv-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241113/202411130521.UOBdW8Rv-lkp@xxxxxxxxx/reproduce) 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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202411130521.UOBdW8Rv-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/virtio/virtio.c:389: warning: Function parameter or struct member 'irq_veq' not described in 'virtio_irq_get_affinity' >> drivers/virtio/virtio.c:389: warning: Excess function parameter 'irq_vec' description in 'virtio_irq_get_affinity' vim +389 drivers/virtio/virtio.c 379 380 /** 381 * virtio_irq_get_affinity - get IRQ affinity mask for device 382 * @_d: ptr to dev structure 383 * @irq_vec: interrupt vector number 384 * 385 * Return the CPU affinity mask for @_d and @irq_vec. 386 */ 387 static const struct cpumask *virtio_irq_get_affinity(struct device *_d, 388 unsigned int irq_veq) > 389 { 390 struct virtio_device *dev = dev_to_virtio(_d); 391 392 if (!dev->config->get_vq_affinity) 393 return NULL; 394 395 return dev->config->get_vq_affinity(dev, irq_veq); 396 } 397 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki